WO2006090687A1 - 発泡体用組成物および発泡体 - Google Patents
発泡体用組成物および発泡体 Download PDFInfo
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- WO2006090687A1 WO2006090687A1 PCT/JP2006/303028 JP2006303028W WO2006090687A1 WO 2006090687 A1 WO2006090687 A1 WO 2006090687A1 JP 2006303028 W JP2006303028 W JP 2006303028W WO 2006090687 A1 WO2006090687 A1 WO 2006090687A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
Definitions
- the present invention relates to a foam composition and a foam, and in particular, has a property (hereinafter, sometimes referred to as "recyclability") capable of repeatedly reproducing cross-linking and dissociation by temperature change.
- the present invention relates to a foam composition containing a thermoplastic elastomer.
- Cross-linked rubber (vulcanized rubber) has a stable three-dimensional network structure in which a polymer substance and a cross-linking agent (vulcanizing agent) are covalently bonded, and exhibits very high strength. Reforming is difficult.
- thermoplastic elastomers use physical crosslinking and can be easily molded by heating and melting without the need for complicated vulcanization and molding steps including preforming. .
- thermoplastic elastomer includes a resin component and a rubber component. At room temperature, the microcrystalline resin component serves as a node segment that serves as a cross-linking point of a three-dimensional network structure.
- thermoplastic elastomer that prevents plastic deformation of the (soft segment) and plastically deforms due to softening or melting of the resin component by increasing the temperature.
- thermoplastic elastomer contains a rosin component, so that the rubber elasticity tends to be lowered. Therefore, a material that can impart thermoplasticity without containing a rosin component is required.
- the present inventor first made a hydrogen bond with a hydrogen-bonding thermoplastic elastomer having an elastomeric polymer force having a carbonyl-containing group and a heterocyclic amine-containing group in the side chain. It has been found that cross-linking and dissociation can be repeated by changing the temperature by utilizing the temperature, and a hydrogen bonding property comprising an elastomeric polymer having (0 carbonyl-containing group and GO heterocyclic amine-containing group in the side chain.
- thermoplastic elastomer is proposed, and as a method for producing the thermoplastic elastomer, an elastomeric polymer having a cyclic acid anhydride group in the side chain and a heterocyclic amine-containing compound are used. Cyclic acid anhydride A method for producing a thermoplastic elastomer is proposed in which a thermoplastic elastomer is obtained by reaction at a temperature at which it can chemically bond with a group (see, for example, Patent Document 1).
- thermoplastic elastomer having such characteristics has high industrial use value and environmental protection value, and further has high cross-linking strength, and physical properties can be obtained even after repeated cross-linking and cross-linking. It is expected to be a highly recyclable material without change.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-169527
- thermoplastic elastomer described in Patent Document 1 is used as a composition containing a filler or the like, the hardness and density become too high, and the quality is accordingly increased.
- the amount and specific gravity also increase, and the compression set resistance may not be sufficient when released after being compressed for a predetermined time, so it was difficult to use it for foam applications such as cap materials and notkin materials.
- an object of the present invention is to provide a foam that can be reduced in hardness and density and excellent in compression set resistance, and a foam composition for producing the foam.
- the present inventor foamed a foam composition comprising a thermoplastic elastomer having a side chain having a predetermined structure and a foaming agent. It has been found that the body can be reduced in hardness and density and has excellent compression set resistance, and has achieved the present invention. That is, the present invention provides the foam composition and foam described in the following (I) to (XXX).
- thermoplastic elastomer having a side chain containing at least one selected from the group consisting of an imino group, a nitrogen-containing heterocyclic ring, and a covalently linked site and a carbo-containing group (A ) And a foaming agent (D).
- thermoplastic polymer (B) The foam according to (ii) above, wherein the MFR (melt mass flow rate) measured at 230 ° C and a load of 16 kg is not less than 0. OlgZlOmin. Composition.
- thermoplastic polymer (B) The content of the thermoplastic polymer (B) is 1 to 300 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer (A). Foam composition.
- thermoplastic elastomer (A) and the thermoplastic polymer (B) satisfy any of the following relational expressions: The composition for foams as described.
- Sp (A) represents the solubility parameter of the thermoplastic elastomer (A)
- Sp (B) represents the solubility parameter of the thermoplastic polymer (B).
- the above internal mold release agent (C) is at least one selected from the group consisting of fatty acid amides, fatty acid esters, fatty acid metal salts and metal compounds.
- the foam composition according to any one of the above.
- the content of the internal mold release agent (C) is 0.1 to 50 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer (A) (i) to (VI) The foam composition according to any one of the above.
- thermoplastic elastomer composition described above has a chiral viscosity measured at 120 ° C and a shear rate of 68.8 s- 1 of 3000 Pa ⁇ s or more.
- the foam composition according to any one of the above.
- the side chain of the thermoplastic elastomer (A) preferably contains an imino group and a Z- or nitrogen-containing heterocyclic ring and a carbonyl-containing group. It is more preferable to contain an imino group, a nitrogen-containing heterocyclic ring, and a carboro-containing group.
- thermoplastic elastomer (A) contains a structure represented by the following formula (1)
- A is an alkyl group having 1 to 30 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms
- B is a single bond
- an oxygen atom an amino group NR ⁇ ( R ′ is a hydrogen atom or an alkyl group having 1 to LO carbon atoms) or a thio atom; or an organic group that may contain these atoms or groups.
- the side chain containing the structure represented by the above formula (1) contains a structure represented by the following formula (2) or (3) bonded to the main chain at the ex position or the ⁇ position.
- A is an alkyl group having 1 to 30 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or an aryl group having 6 to 20 carbon atoms, and B and D are each independently a single bond; an oxygen atom, An amino group NR ⁇ (R 'is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms) or a thio atom; or an organic group that may contain these atoms or groups.
- thermoplastic elastomer (A) contains a structure represented by the following formula (4): Composition.
- E is a nitrogen-containing heterocyclic ring
- B is a single bond
- an oxygen atom an amino group NR ⁇ (R 'is a hydrogen atom or an alkyl group having 1 to carbon atoms: LO) or a Z atom. Or they may contain these atoms or groups! Organic groups.
- (XII) A structure represented by the following formula (5) or (6) in which the side chain containing the structure represented by the above formula (4) is bonded to the main chain at the a-position or j8-position. The foam composition as described in (XI) above.
- E is a nitrogen-containing heterocyclic ring
- B and D are each independently a single bond; an oxygen atom, an amino group NR ⁇ (R 'is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms. ) Or io atoms; or these atoms or groups are organic groups.
- composition for foam according to the above (ii), wherein the nitrogen-containing heterocycle is a triazole ring, a thiadiazole ring, a pyridine ring, a thiazole ring, an imidazole ring or a hydantoin ring.
- B is a single bond; an oxygen atom, an amino group NR ⁇ (R 'is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms) or a Z atom; G and J are each independently a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms.
- B and D are each independently a single bond; oxygen atom, amino group NR ⁇ (R is a hydrogen atom or an alkyl group having 1 to carbon atoms: LO) or thio atom; or these atoms Or an organic group which may contain a group, and G and J are each independently a hydrogen atom, And an alkyl group having 30 carbon atoms, an aralkyl group having 720 carbon atoms, or an aryl group having 620 carbon atoms.
- the above-mentioned covalently crosslinked site can be crosslinked by at least one bond selected from the group consisting of amide, ester, latathone, urethane, ether, thiourethane and thioether force.
- KLQ and R are each independently a single bond; an oxygen atom, an amino group NR ⁇ (R is a hydrogen atom or an alkyl group having 1 to carbon atoms: LO) or a thio atom; or these atoms Or an organic group which may contain a group, and T may contain an oxygen atom, a thio atom or a nitrogen atom! /, May be branched! /, Or may be a hydrocarbon group.
- R is a hydrogen atom or an alkyl group having 1 to carbon atoms: LO
- T may contain an oxygen atom, a thio atom or a nitrogen atom! /, May be branched! /, Or may be a hydrocarbon group.
- K, L, Q and R are each independently a single bond; an oxygen atom, an amino group NR ⁇ (R f is a hydrogen atom or an alkyl group having 1 to carbon atoms: LO) or a Z atom. Or an organic group which may contain these atoms or groups, and T may contain an oxygen atom, a thio atom or a nitrogen atom! / May be branched! /, Or may be a hydrocarbon group It is.
- composition for foams as described in (XX) or (XXI).
- the foam composition according to any one of (I) to (I) above which is from 01 to 10% by mass.
- (XXVII) Content power of the styrenic thermoplastic elastomer 1
- (XXX) A foam obtained by foaming the foam composition according to any one of (I) to (XXIX) above.
- the foam composition according to the first aspect of the present invention comprises at least one selected from the group consisting of an imino group, a nitrogen-containing heterocycle and a covalently bonded crosslinking site force, and a side containing a carbo-containing group.
- a foam composition comprising a chain-containing thermoplastic elastomer (A) and a foaming agent (D).
- the foam composition according to the second aspect of the present invention includes a side containing at least one selected from the group consisting of an imino group, a nitrogen-containing heterocyclic ring and a covalently bonded crosslinking site force, and a carbo-containing group.
- Thermoplastic elastomer (A) having a chain and a thermoplastic elastomer composition containing a thermoplastic polymer (B) and an internal release agent (C), and a foam composition comprising a foaming agent (D) It is a thing.
- thermoplastic elastomer used in the foam composition according to the first and second embodiments of the present invention (hereinafter sometimes simply referred to as “the foam composition of the present invention”) (A ), Thermoplastic polymer (B) and internal mold release agent (C) and foaming agent (D)
- thermoplastic elastomer (A) used in the foam composition of the present invention is a natural polymer.
- the elastomeric polymer of the synthetic polymer has a side chain containing at least one selected from the group consisting of an imino group, a nitrogen-containing heterocyclic group, and a covalent crosslinking site force and a carbo-containing group.
- side chain refers to a side chain and a terminal of an elastomeric polymer.
- “having a side chain containing at least one selected from the group consisting of an imino group, a nitrogen-containing heterocyclic ring and a covalent crosslinking site force and a carbo-containing group” means that the main component of the elastomeric polymer.
- a chain-forming atom (usually a carbon atom) is chemically stable with at least one selected from the group consisting of an imino group, a nitrogen-containing heterocyclic ring, and a covalent bond site force, and a carboro-containing group. It means having a bond (for example, covalent bond, ionic bond, etc.).
- the elastomeric polymer as the main chain of the thermoplastic elastomer (A) is generally a known natural polymer or synthetic polymer, and has a glass transition point of room temperature (25 ° C).
- the following polymers, that is, elastomers, are not particularly limited.
- elastomeric polymers include natural rubber (NR), isoprene rubber (IR), butadiene rubber (BR), 1,2-butadiene rubber, styrene butadiene rubber (SBR), and acrylonitrile.
- NR natural rubber
- IR isoprene rubber
- BR butadiene rubber
- SBR styrene butadiene rubber
- acrylonitrile acrylonitrile
- NBR butadiene rubber
- CR chloroprene rubber
- IIR butinole rubber
- ethylene-based rubbers such as ethylene propylene rubber (EPDM) and hydrogenated products thereof
- EPM ethylene propylene rubber
- AEM ethylene acrylic rubber
- EBM Ethylene-butene rubber
- chlorosulfonated polyethylene acrylic rubber, fluorine rubber, polyethylene rubber, polypropylene rubber and other olefin-based rubbers
- epichlorohydrin rubber polysulfide rubber
- silicone rubber urethane rubber
- the elastomeric polymer may be an elastomeric polymer containing a rosin component.
- a polystyrene-based elastomeric polymer eg, SBS
- polystyrene-based elastomeric polymer eg, SBS
- polyolefin-based elastomeric polymers polyvinyl chloride-based elastomeric polymers
- polyurethane-based elastomeric polymers polyester-based elastomeric polymers
- polyamide-based elastomeric polymers etc.
- the molecular weight of the elastomeric polymer may be liquid or solid, and the molecular weight thereof is not particularly limited, and the elastomeric polymer according to the foam composition of the present invention and the third aspect of the present invention. It can be appropriately selected according to the use in which the foam (hereinafter simply referred to as “the foam of the present invention”) is used and the physical properties required for these.
- the foam (composition) of the present invention may be J t ⁇ ⁇ )
- the elastomeric polymer is in a liquid state.
- the weight average molecular weight should be 1,000 to 100,000.
- the power is preferable, and the power is particularly preferably about 1,000 to 50,000! /.
- the elastomeric polymer is in a solid state.
- a gen-based rubber such as isoprene rubber or butadiene rubber
- the weight average molecular weight is 100,000 or more, preferably 500,000 to 1,500,000!
- the weight average molecular weight is a weight average molecular weight (converted to polystyrene) measured by gel permeation chromatography (GPC).
- GPC gel permeation chromatography
- THF tetrahydrofuran
- the mixing ratio of the elastomeric polymers may be any ratio depending on the use of the foam (composition) of the present invention, the physical properties required for the foam (composition) of the present invention, and the like. can do.
- the glass transition point of the elastomeric polymer is 25 ° C. or less as described above.
- the elastomeric polymer has two or more glass transition points, or two or more types.
- at least one of the glass transition points is preferably 25 ° C or lower.
- the foam (composition) powerful molded product of the present invention is preferable because it exhibits rubber-like properties at room temperature.
- the glass transition point is a glass transition point measured by differential scanning calorimetry (DSC).
- the heating rate is preferably 10 ° CZmin.
- elastomeric polymers include natural rubber (NR), isoprene rubber (IR), butadiene rubber (BR), 1,2-butadiene rubber, styrene butadiene rubber (SBR), ethylene propylene gen rubber (EPDM).
- Gen-based rubbers such as butinole rubber (IIR); ethylene-propylene rubber (EPM), ethylene-acrylic rubber (AEM), olefin-based rubbers such as ethylene-butene rubber (EBM);
- IIR butinole rubber
- EPM ethylene-propylene rubber
- AEM ethylene-acrylic rubber
- EBM ethylene-butene rubber
- the resulting foam (composition) powerful molded product of the present invention is preferable because it exhibits rubber-like elasticity at room temperature. Further, when the olefin-based rubber is used, the tensile strength when the foam (composition) of the present invention obtained is cross-linked is improved, and deterioration of the composition is suppressed because there is no double bond.
- the amount of bound styrene of the styrene-butadiene rubber (SBR), the hydrogenation rate of the hydrogenated elastomeric polymer, etc. are not particularly limited, and the foam (composition) of the present invention is not limited.
- the ratio can be adjusted to any ratio according to the intended use and the physical properties required for the foam (composition) of the present invention.
- the main chain of the above elastomeric polymer is ethylene propylene rubber (EPDM), ethylene-acrylic rubber (AEM), ethylene-propylene rubber (EPM), or ethylene-butene rubber (EBM), its ethylene content the amount is preferably from 10 to 90 mole 0/0, more preferably 40 to 90 mole 0/0. When the ethylene content is within this range, it is preferable because it has excellent compression set resistance and mechanical strength when it is used as a foam (composition).
- EPDM ethylene propylene rubber
- AEM ethylene-acrylic rubber
- EPM ethylene-propylene rubber
- EBM ethylene-butene rubber
- thermoplastic elastomer (A) used in the foam composition of the present invention is selected from the group consisting of the above-mentioned elastomeric polymer consisting of an imino group, a nitrogen-containing heterocyclic ring and a covalently bonded crosslinking site.
- a side chain containing at least one carbonyl-containing group and the side chain force S imino group and Z or a nitrogen-containing heterocyclic ring and a carbonyl-containing group are preferred. More preferably, it contains an imino group, a nitrogen-containing heterocycle, and a carbonyl-containing group.
- the side chain when the side chain contains an imino group and a carboro-containing group, the side chain contains a structure represented by the following formula (1). Preferred.
- A is an alkyl group having 1 to 30 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms
- B is a single bond
- an oxygen atom an amino group NR ⁇ ( R ′ is a hydrogen atom or an alkyl group having 1 to LO carbon atoms) or a thio atom; or an organic group that may contain these atoms or groups.
- the substituent A is not particularly limited as long as it is an alkyl group having 1 to 30 carbon atoms, a 7 to 20 aralkyl group, or an aryl group having 6 to 20 carbon atoms.
- substituent A examples include, for example, a linear alkyl group such as a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, an octyl group, a dodecyl group, and a stearyl group; an isopropyl group , Isobutyl, sbutyl, tbutyl, isopentyl, neopentyl, tpentyl, 1 methylbutyl, 1 methylheptyl, 2-ethylhexyl, and other branched alkyl groups; benzyl, phenethyl Aralkyl groups such as a group; aryl groups such as a phenol group, a tolyl group (o-, m-, p), a dimethylphenol group, a mesyl group; and the like.
- a linear alkyl group such as a methyl group, an
- an alkyl group particularly a butyl group, an octyl group, a dodecyl group, an isopropyl group, and a 2-ethylhexyl group, improves the processability of the resulting foam (composition) of the present invention. Because, preferred.
- Substituent B is a single bond; an oxygen atom, an amino group NR '(R' is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms) or a thio atom; or may contain these atoms or groups.
- NR '(R' is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms) or a thio atom; or may contain these atoms or groups.
- substituent B include, for example, a single bond; oxygen atom, ion atom or amino group NR ⁇ (R ′ is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms); these atoms or An alkylene group having 1 to 20 carbon atoms or an aralkylene group which may contain a group; an alkylene ether group having 1 to 20 carbon atoms having these atoms or groups at the terminal (alkyleneoxy group such as -O-CH 2 CH 2 —Group), an alkyleneamino group (for example, —NH
- alkylenethioether group alkylenethio group, for example,
- the alkyl group having 1 to 10 carbon atoms of the amino group NR ⁇ includes an isomer, methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, An octyl group, a nonyl group, a decyl group, etc. are mentioned.
- the substituent B is an oxygen atom, an thio atom or an amino group forming a conjugated system; an alkylene ether group having 1 to 20 carbon atoms, an alkylene amino group or an alkylene thiol having these atoms or groups at the terminal.
- An ether group is preferred, and an amino group (NH), an ananolene amino group (one NH—CH— group, one —NH—CH CH group, NH—C
- alkylene ether group (O CH— group, —O CH CH group)
- thermoplastic elastomer (A) used in the foam composition of the present invention has a side chain containing a structure represented by the above formula (1) bonded to the main chain at the a-position or ⁇ -position. It is preferable to have a side chain containing a structure represented by the following formula (2) or (3)!
- A is an alkyl group having 1 to 30 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or an aryl group having 6 to 20 carbon atoms, and B and D are each independently a single bond; an oxygen atom, An amino group NR ⁇ (R 'is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms) or a thio atom; or an organic group that may contain these atoms or groups.
- R ' is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms
- a thio atom or an organic group that may contain these atoms or groups.
- the substituent A is basically the same as the substituent A of the above formula (1), and the substituents B and D are independently independently of the substituent B of the above formula (1). It is the same.
- the substituent D in the above formula (3) is a single bond; an oxygen atom, an amino group NR ′ or a C 1-20 atom which may contain an atom, among those exemplified as the substituent B in the above formula (1).
- the alkylene group is particularly preferably an alkylene group that forms a conjugated system with the imide nitrogen of the alkylene group or aralkylene group. That is, it is preferable to form an alkyleneamino group having 1 to 20 carbon atoms or an aralkyleneamino group which may contain an oxygen atom, an amino group or a thio atom together with the imide nitrogen of the above formula (3). Especially preferred to form.
- substituent D include, for example, a single bond; an alkylene ether group having 1 to 20 carbon atoms terminated with an oxygen atom, a thio atom or an amino group as described above, an alkyleneamino group, Alkylenethioether group or aralkylene ether group, aralkylene amino group, aralkylene ether group, etc .; including isomers, methylene group, ethylene group, propylene group, butylene group, hexylene group, phenylene group And a xylylene group.
- a side chain containing an imino group and a carbonyl-containing group (specifically, the structure represented by the above formula (1) or the above formula (2) or (3), etc.) are preferably introduced at a ratio (introduction ratio) of 0.1 to 50 mol% with respect to 100 mol% of the monomer constituting the elastomeric polymer.
- 0.1 is less than 1 mol% may strength at crosslinking is not sufficient, there is a case where the crosslinking density exceeds 50 mole 0/0 is lost is high becomes rubber elasticity.
- the side chain is introduced at a ratio of 0.1 to 30 mol% in terms of these characteristics, and the side chain is introduced at a ratio of 0.5 to 20 mol%! I still like it more!
- the side chain when the side chain contains a nitrogen-containing heterocyclic ring and a carbo-containing group, the side chain contains a structure represented by the following formula (4). ! /, I like to go. [0080] [Chemical 11]
- E is a nitrogen-containing heterocyclic ring
- B and D are each independently a single bond; an oxygen atom, an amino group NR ⁇ (R 'is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms. ) Or io atoms; or these atoms or groups are organic groups.
- nitrogen-containing heterocyclic ring E examples include the nitrogen-containing heterocyclic rings exemplified below.
- substituents B and D are each independently the same as the substituent B in the above formula (1).
- the nitrogen-containing heterocycle described above may have a heteroatom other than a nitrogen atom in the heterocycle, for example, a thio atom, an oxygen atom, a phosphorus atom, etc., if it contains a nitrogen atom in the heterocycle.
- a heteroatom other than a nitrogen atom in the heterocycle for example, a thio atom, an oxygen atom, a phosphorus atom, etc.
- the heterocyclic compound is used.
- the reason why the heterocyclic compound is used is that if it has a heterocyclic structure, the hydrogen bond forming the bridge is strengthened, and the tensile strength of the resulting foam (composition) of the present invention is improved.
- the nitrogen-containing heterocycle may have a substituent.
- substituents include alkyl groups such as a methyl group, an ethyl group, a (iso) propyl group, and a hexyl group. Alkoxy groups such as methoxy, ethoxy, and (iso) propoxy groups; halogen atoms such as fluorine, chlorine, bromine, and iodine atoms; cyan groups; amino groups; aromatic hydrocarbon groups; ester groups Ether group; acyl group; thioether group; and the like. These can be used in combination.
- the substitution position of these substituents is not particularly limited, and the number of substituents is not limited.
- the nitrogen-containing heterocycle may or may not have aromaticity, but the foam (composition) of the present invention obtained when it has aromaticity. This is preferable because the tensile strength at the time of crosslinking becomes higher and the mechanical strength is further improved.
- the nitrogen-containing heterocycle is preferably a 5-membered ring or a 6-membered ring.
- nitrogen-containing heterocycles include pyrophine, pyrrolidone, oxindole (2-oxyindole), indoxyl (3-oxyindole), dioxyindole, isatin, Indolyl, phthalimidine, ⁇ -isoindigo, monoporphyrin , Diporphyrin, triporphyrin, azaporphyrin, phthalocyanine, hemoglobin, oral porphyrin, chlorophyll, pyroerythrin, imidazole, pyrazole, triazole, tetrazole, benzimidazole, benzopyrazole, benzotriazole, imidazoline, imidazolone, imidazolidone, hydantoin, Pyrazoline, pyrazolone, virazolidone, indazole, pyridoindole, purine, cinnoline, pyrrole, pyrroline, indole, indole, is
- nitrogen-containing 5-membered ring is preferably exemplified by the following compounds, triazole derivatives represented by the following formula (25) and imidazole derivatives represented by the following formula (26). They also have the various substituents mentioned above! /, And may be hydrogenated or desorbed! /.
- the substituent X is an alkyl group having 1 to 30 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms, and the substituent A of the above formula (1) And basically the same.
- the nitrogen-containing 6-membered ring the following compounds are preferably exemplified. These ni ⁇ Alternatively, it may have the above-described various substituents, and may be hydrogenated or eliminated.
- a condensed ring of the nitrogen-containing heterocycle and a benzene ring or a nitrogen-containing heterocycle can be used, and specific examples thereof include the following condensed rings.
- These condensed rings may have the above-mentioned various substituents, or may have hydrogen atoms added or removed.
- thermoplastic elastomer (A) used in the foam composition of the present invention has a side chain containing a structure represented by the above formula (4) bonded to the main chain at the a-position or ⁇ -position. It is more preferable to have a side chain containing a structure represented by the following formula (5) or (6)! /, U.
- ⁇ is a nitrogen-containing heterocycle
- ⁇ and D are each independently a single bond; an oxygen atom,
- An amino group NR ⁇ R 'is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms) or a thio atom; or an organic group that may contain these atoms or groups.
- nitrogen-containing heterocycle E examples include the nitrogen-containing heterocycles exemplified above.
- substituents B and D are each independently the same as the substituent B in the above formula (1).
- the substituent D in the above formula (6) forms a conjugated system with a single bond; an imide nitrogen of an alkylene group having 1 to 20 carbon atoms or an aralkylene group which may contain an oxygen atom, an amino group NR ′ or a thio atom. It is particularly preferred that it is a single bond that is preferred. That is, it is preferable to form an alkyleneamino group having 1 to 20 carbon atoms or an aralkyleneamino group which may contain an oxygen atom, an amino group NR ⁇ or a thio atom together with the imide nitrogen of the above formula (6). It is particularly preferable that the nitrogen-containing heterocyclic ring is directly bonded to the imide nitrogen of the above formula (6) (single bond).
- thermoplastic elastomer (A) used in the foam composition of the present invention has a side chain containing a triazole ring, an imidazole ring or a thiazole ring as a side chain containing the nitrogen-containing heterocycle.
- the side chain containing the structure represented by the above formula (4), the structure represented by the following formula (7), the following formula (8) or (9), or the following formula (10) It is preferable to have it as a side chain that is bonded to the main chain at the ⁇ -position or j8-position, or any one of the following formulas (12), (13) to (16), or More preferably, it has a side chain containing a structure represented by the following formula (17) or (18).
- ⁇ and D are each independently a single bond; an oxygen atom, an amino group NR ⁇ (R 'is a hydrogen atom or an alkyl group having 1 to carbon atoms: LO) or a thio atom; G and J are each independently a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms. is there.
- substituents B and D are each independently the same as the substituents B and D in the above formulas (4) to (6).
- substituents G and J include, for example, a hydrogen atom; a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and an octyl group exemplified as the substituent A in the above formula (1).
- a side chain containing a nitrogen-containing heterocyclic ring and a carbo-containing group (specifically, represented by the above formula (4) or the above formula (5) or (6)).
- a ratio (introduction ratio) of 0.1 to 50 mol% with respect to 100 mol% of the monomer constituting the elastomeric polymer are preferably introduced at a ratio (introduction ratio) of 0.1 to 50 mol% with respect to 100 mol% of the monomer constituting the elastomeric polymer.
- 0.1 is less than 1 mol% may strength at crosslinking is not sufficient, there is a case where the crosslinking density exceeds 50 mole 0/0 is lost is high becomes rubber elasticity.
- the introduction ratio is within this range, the side chain interaction of the elastomeric polymer occurs between molecules or within the molecule, and these are formed in a well-balanced manner, so that the resulting foam (composition) of the present invention is obtained.
- the tensile strength at the time of crosslinking is high, and the recyclability is excellent, and the compression set resistance is good.
- introducing side chains in a proportion of 0.1 to 30 mole 0/0 more preferably tool from 0.5 to 20 moles of side chain is introduced at a rate of 0/0 More preferably.
- the chains are preferably introduced at a ratio (introduction ratio) of 0.1 to 50 mol% with respect to 100 mol% of the monomer constituting the elastomeric polymer. It is more preferable that the introduction ratio thereof (side chain containing nitrogen-containing heterocycle and carbonyl-containing group Z side imino group and carbo-containing group) is 1Z99 to 99Z1 10Z90 to 90Z10 More preferably.
- the introduction ratio and the introduction ratio are within this range, the tensile strength at the time of crosslinking is high, the recyclability is excellent, and the mechanical strength such as tensile strength is maintained while maintaining the property of good compression set resistance. It is preferable because it can be further improved and coloration of the foam (composition) derived from the introduced nitrogen-containing heterocycle can be suppressed.
- thermoplastic elastomer ( ⁇ ) used in the foam composition of the present invention contains nitrogen-containing material.
- nitrogen-containing heterocyclic ring when it has a side chain containing a heterocyclic ring
- nitrogen-containing heterocycle is referred to as “nitrogen-containing n-membered ring compound (n ⁇ 3)”.
- bond positions described below (“l-n position”) are based on the IUPAC nomenclature. For example, in the case of a compound having three nitrogen atoms with an unshared electron pair, the bonding position is determined by the order based on the IUPAC nomenclature. Specifically, the bonding positions are indicated on the 5-membered, 6-membered and condensed nitrogen-containing heterocycles exemplified above.
- the bonding position of the nitrogen-containing n-membered ring compound bonded to the copolymer directly or via an organic group is not particularly limited, and any bonding position (position 1 to position n) can be used. Good. Preferably, it is the 1-position or 3-position to n-position.
- the nitrogen-containing n-membered ring compound contains one nitrogen atom (for example, a pyridine ring), chelates are easily formed in the molecule, and physical properties such as tensile strength when used as a foam composition From the 3rd position to the (n-1) position is preferable.
- thermoplastic elastomer By selecting the bonding position of the nitrogen-containing n-membered ring compound, the thermoplastic elastomer can form a bridge by hydrogen bond, ionic bond, coordination bond, etc. between the molecules of the thermoplastic elastomer. Excellent recyclability and excellent mechanical properties.
- thermoplastic elastomer (A) when the side chain of the thermoplastic elastomer (A) contains a covalent crosslinking site and a carbonyl-containing group, an amide or ester is present at the covalent crosslinking site. More preferably, it can be cross-linked by at least one bond selected from the group consisting of Rataton, urethane, ether, thiourethane and thioether force.
- the thermoplastic elastomer (A) used in the foam composition of the present invention may have a crosslink formed by such a bond.
- the side chain containing a covalent bond crosslinking site and a carbonyl-containing group reacts with a "compound that forms a covalent bond" in addition to the carbonyl-containing group, thereby producing an amide, ester, rataton, urethane, ether,
- the side chain is not particularly limited as long as it is a side chain having a functional group capable of generating at least one bond selected from the group consisting of thiourethane and thioether force as a covalent cross-linking site.
- examples of the “compound that forms a covalent bond” include, for example, two or more amino groups and Z or imino groups in one molecule (in the case of having both an amino group and an imino group).
- 2 or more isocyanate (NCO) groups in one molecule A polyisocyanate compound;
- polyamine compound examples include the following alicyclic amines, aliphatic polyamines, aromatic polyamines, nitrogen-containing heterocyclic amines, and the like.
- alicyclic amines include, for example, 1 amino-3 aminomethyl-3,5,5-trimethylcyclohexane, bis (4-aminocyclohexyl) methane, diaminocyclohexane, di (Aminomethyl) cyclohexane and the like.
- aliphatic polyamine examples include methylenediamine, ethylenediamine, propylenediamine, 1,2 diaminepropane, 1,3 diaminepentane, hexamethyldiamine, diamineheptane, diaminododecane, diethylenetriamine, and jetylaminopropylamine.
- N-aminoethylpiperazine, triethylenetetramine N, N '— dimethylenoethyleneethylene, N, N ′ — ethynoleethylenediamine, N, N ′ — diisopropinoleethylenediamine, N, N ′ —Dimethyl mono 1,3 propanediamine, N, N '—Jetyl-1,3 propanediamine, N, N ′ —Diisopropyl 1,3 propanediamine, N, N ′ Dimethyl-1,6 hexanediamine, N, N ′ Jetyl 1,6 Hexanediamine, N, N ', N' '—trimethylbis (hexamethylene) Amin and polyethylene imines, and the like.
- aromatic polyamines and nitrogen-containing heterocyclic amines include diaminotoluene, diaminoxylene, tetramethylxylylenediamine, tris (dimethylaminomethyl) phenol, metaphenol-diamine, diaminodiphenyl- And rumethane, diaminodiphenyl sulfone, 3-amino-1,2,4 triazole and the like.
- one or more of its hydrogen atoms may be substituted with an alkyl group, an alkylene group, an aralkylene group, an oxy group, an acyl group, a halogen atom, or the like. Further, it may contain a hetero atom such as an oxygen atom or a thio atom.
- the polyamine compounds may be used alone or in combination of two or more.
- the mixing ratio when two or more types are used in combination is determined by the use in which the foam (composition) of the present invention is used, the present The ratio can be adjusted to any ratio according to the physical properties required for the foam (composition) of the invention.
- hexamethylenediamine, N, N'-dimethyl-1,6 hexanediamine, diaminodiphenylsulfone, polyethyleneimine, etc. are compression set, mechanical The effect of improving strength, particularly tensile strength, is high and preferable.
- the polyol compound is a compound having two or more hydroxyl groups
- the molecular weight and skeleton thereof are not particularly limited.
- the following polyether polyols, polyester polyols, other polyols, and these These mixed polyols and the like can be mentioned.
- polyether polyol examples include ethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, glycerin, 1, 1, 1 trimethylol propane, 1, 2, 5 hexanetriol, At least one selected from polyhydric alcohols such as 1,3 butanediol, 1,4 butanediol, 4,4'-dihydroxyphenylpropane, 4,4'-dihydroxyphenylmethane, pentaerythritol, ethylene oxide, propylene Polyols obtained by adding at least one selected from oxides, butylene oxides, styrene oxides, etc .; polyoxytetramethylene oxides; and the like. These may be used alone or in combination of two or more. You can do it.
- polyester polyols include ethylene glycol, propylene glycol, butanediol pentanediol, hexanediol, cyclohexanedimethanol, glycerin, 1, 1, 1 trimethylolpropane, and other low-polyols.
- polystyrene resin examples include, for example, polymer polyols, polycarbonate polyols; polybutadiene polyols; hydrogenated polybutadiene polyols; attalinole polyols; ethylene glycol, diethylene glycol, propylene glycol.
- Polyisocyanate compounds include 2, 4 tolylene diisocyanate (2, 4-TDI), 2, 6 tolylene diisocyanate (2, 6- TDI), 4, 4 ' —Diphenylmethane diisocyanate (4, 4 ′ — MDI), 2, 4 ′ —Diphenylmethane diisocyanate (2, 4 ′ — MDI), 1,4 phenolic range isocyanate
- Aromatic polyisocyanates such as Nate, Xylylene Diisocyanate (XDI), Tetramethylxylylene Diisocyanate (TMXDI), Tolidine Diisocyanate (TODI), 1, 5 Naphthalene Diisocyanate (NDI), Hexamethylene diisocyanate (HDI), trimethylhexamethylene diisocyanate (TMHDI), lysine diisocyanate, norbornane diisocyanate methyl (NBDI) and other polyisocyanates, transcyclohexane
- Diisocyanate compounds such as cyanate; polyisocyanate compounds such as polymethylene polyphenylene-polyisocyanate; carbodiimide-modified polyisocyanates of these isocyanate compounds; Isocyanurate-modified polyisocyanates of these isocyanate compounds; urethane prepolymers obtained by reacting these isocyanate compounds with the above-described polyol compounds; and the like. Two or more types may be used in combination.
- the polythiol compound is a compound having two or more thiol groups
- its molecular weight and skeleton are not particularly limited. Specific examples thereof include methanedithiol, 1, 3 Butanedithionore, 1, 4 Butanedithionore, 2, 3 Butanedithionore, 1, 2 Benzendithionore, 1, 3 Benzenedithionore, 1,4 Benzenethionore, 1,10 Decandithiol, 1,2 Ethane Dithiol, 1,6 Hexanedithiol, 1,9-Nonanedithiol, 1,8 Octanedithiol, 1,5 Pentanedithiol, 1,2 Propandithionore, 1,3 Propadithionore, Tonoren 3,4 Dithione Nore, 3, 6 dichloro-1,2 benzenedithiol, 1,5 naphthalene dithiol, 1,2— benzenedimethanethiol, 1,3
- a functional group capable of generating at least one bond selected from the group consisting of amide, ester, lactone, urethane, ether, thiourethane, and thioether force Preferred examples of the group include a cyclic acid anhydride group, a hydroxyl group, an amino group, a carboxy group, an isocyanate group, and a thiol group.
- the other side chain containing a covalent cross-linking site is not particularly limited as long as it is a side chain having such a functional group.
- thermoplastic elastomer (A) used for the yarn composite for foams of the present invention crosslinking at this covalent crosslinking site, that is, the functional group and the above-mentioned “compound capable of forming a covalent bond” It is preferable to have at least one covalent cross-link in one molecule, and in particular, the cross-link is formed by at least one bond selected from the group consisting of rataton, urethane, ether, thiourethane and thioether. In this case, it is preferable to have 2 or more, more preferably 2 to 20, more preferably 2 to 10.
- a compound that forms a covalent bond includes polyethylene glycol laurylamine (for example, N, N bis (2-hydroxyethyl) laurylamine), polypropylene glycol laurylamine (for example, N, N bis (2-methyl-2-hydroxyethyl) laurylamine), polyethylene glycoloctylamine (eg, N, N bis (2-hydroxychetyl) octylamine), polypropylene glycoloctylamine (eg, N, N bis (2-methyl-2-hydroxyethyl) octylamine), polyethylene glycol stearylamine (eg N, N bis (2-hydroxyethyl) stearylamine), polypropylene glycol stearylamine (eg N, N Bis (2-methyl 2-hydroxy) Chill) stearinoreamine) is preferred!
- polyethylene glycol laurylamine for example, N, N bis (2-hydroxyethyl) laurylamine
- polypropylene glycol laurylamine for example
- crosslinking at the covalent bond site is represented by the following formula (19
- KLQ and R are each independently a single bond; an oxygen atom, an amino group NR ⁇ (R is a hydrogen atom or an alkyl group having 1 to carbon atoms: LO) or a thio atom; or these atoms Or an organic group which may contain a group, and T may contain an oxygen atom, a thio atom or a nitrogen atom! /, May be branched! /, Or may be a hydrocarbon group.
- R is a hydrogen atom or an alkyl group having 1 to carbon atoms: LO
- T may contain an oxygen atom, a thio atom or a nitrogen atom! /, May be branched! /, Or may be a hydrocarbon group.
- the substituents KLQ and R are each independently the same as the substituent B of the above formula (1).
- the substituent T is preferably an optionally branched hydrocarbon group having 1 to 20 carbon atoms, such as a methylene group, an ethylene group, a 1,3 propylene group, 1 , 4-butylene group, 1,5 pentylene group, 1,6 hexylene group, 1,7 heptylene group, 1,8-octylene group, 1,9-no-lene group, 1,10 decylene group, 1, 11 ⁇ , ⁇ —Jetyldecylamine— 2, 2 '— Diyl, ⁇ , ⁇ Dipropyldodecylamine— 2, 2' — Diyl, ⁇ , ⁇ Jetyloctylamine 2, 2 '— Gyl, ⁇ , ⁇ Dipropyloctylamine 2, 2' — Gill, ⁇ , ⁇ ⁇ Jetylstearyllamin— 2, 2 '—
- Divalent aromatic groups such as 1, 4 phenylene groups, 1, 2 phenylene groups, 1, 3 phenylene groups, 1, 3 phenylene bis (methylene) groups, etc.
- Hydrocarbon group Propane 1, 2, 3 Tolyl, Butane 1, 3, 4 Tolyl, Trimethylamine 1, 1, 1 ', ⁇ ''—Tolyl, Triethylamine— 2, 2', 2 '' —Tolyl, etc.
- trivalent hydrocarbon groups represented by the following formulas (27) and (28); and substituents formed by combining them; and the like.
- the crosslinks at the covalent crosslinkable sites are bonded to the main chain of the above-mentioned elastomeric polymer at the ⁇ - position or the / 3-position by the following formulas (22) to (24)
- the formula it is more preferable to contain at least one structure represented by any of the above, and it is more preferred that ⁇ contains a tertiary amino group.
- Specific examples of the structure represented by any of the following formulas (22) to (24) include compounds represented by the following formulas (29) to (40).
- the substituents K, L, Q and R are each independently the same as the substituents K, L, Q and R in the above formulas (19) to (21), and the substituent T Is basically the same as the substituent T in the above formula (19).
- the crosslink at the covalent crosslink site is formed by the reaction of a cyclic acid anhydride group with a hydroxyl group or an amino group and a ⁇ or imino group.
- the thermoplastic elastomer ( ⁇ ) used in the foam composition of the present invention preferably has a glass transition point of 25 ° C or less, and the thermoplastic elastomer is preferably 2 or more. In the case of having a glass transition point of 2 or more, when two or more thermoplastic elastomers are used in combination, at least one of the glass transition points is preferably 25 ° C. or lower. When the glass transition point is 25 ° C or lower, the molded product exhibits rubber-like elasticity at room temperature.
- the foam composition of the present invention contains one or more of such thermoplastic elastomers.
- the mixing ratio in the case of containing two or more kinds can be set to any ratio according to the use in which the foam (composition) of the present invention is used, physical properties required for the composition, and the like.
- thermoplastic elastomer (A) used in the foam composition of the present invention is not particularly limited, and a normal method can be selected.
- thermoplastic elastomer (A) having a side chain containing an imino group and a carbonyl-containing group includes an elastomer containing a cyclic acid anhydride group in the side chain.
- reaction process in which a compound capable of introducing an imino group is reacted with a single polymer (hereinafter referred to as “reaction process”)
- thermoplastic elastomer (A) having a side chain containing a nitrogen-containing heterocyclic ring and a carbo-containing group includes a cyclic acid anhydride group.
- a suitable example is a production method comprising a reaction step (hereinafter referred to as “reaction step B”) in which an elastomeric polymer having a side chain is reacted with a compound capable of introducing a nitrogen-containing heterocycle.
- reaction step B As a method for producing a thermoplastic elastomer (A) having a side chain containing an imino group, a nitrogen-containing heterocyclic ring, and a carbo-containing group, the reaction step A and the reaction step B are all different.
- reaction step B may be provided as a step performed simultaneously with the reaction step A, or may be provided as a pre-step or a post-step of the reaction step A. It is preferable to have it as a post process in step A.
- thermoplastic elastomer (A) having a side chain containing a covalent crosslinking site and a carbonyl-containing group specifically, the elastomeric polymer and the cyclic acid described later are used.
- a production method comprising a reaction step of reacting with a compound capable of introducing an anhydride group (hereinafter referred to as “reaction step C”) or a cyclic acid anhydride group obtained by this production method is contained in the side chain.
- reaction step D A production method comprising a reaction step in which the elastomeric polymer is further reacted with a compound that generates a covalent bond as described above.
- An elastomeric polymer containing a cyclic acid anhydride group in the side chain is an elastomeric polymer in which the cyclic acid anhydride group has a chemically stable bond (covalent bond) to the atom forming the main chain. This can be obtained by reacting the elastomeric polymer with a compound capable of introducing a cyclic acid anhydride group.
- Specific examples of the compound capable of introducing a cyclic acid anhydride group include, for example, succinic anhydride.
- the elastomeric polymer containing a cyclic acid anhydride group in the side chain is subjected to a conventional method, for example, the above-mentioned elastomeric polymer under conditions usually used, for example, under heating. It may be produced by a method of graft polymerization of a cyclic acid anhydride by stirring or the like, or a commercially available product may be used.
- maleic anhydride-modified isoprene rubber such as LIR-403 (made by Kuraray), LIR-410A (Kuraray Co., Ltd.), modified isoprene rubber such as LIR-410 (made by Kuraray), Clinac 110, 221 Carboxyl-modified-tolyl rubber such as 231 (manufactured by Polysa Co., Ltd.); Carboxy-modified polybutenes such as CPIB (manufactured by Nisseki Chemical Co., Ltd.) and HRPIB (Nisseki Chemical Lab.); ), Yucaron (manufactured by Mitsubishi Chemical Corporation), Tuffmer M (for example, MA8510 (manufactured by Mitsui Chemicals)), etc., maleic anhydride-modified ethylene-propylene rubber; Tuffmer M (for example, MH7020 (manufactured by Mitsui Chemicals)), etc.
- LIR-403 made by Kuraray
- LIR-410A
- maleic anhydride modified ethylene-butene rubber Adtex series (maleic anhydride modified EVA, maleic anhydride modified EMA (manufactured by Nippon Polyolefin)), HPR Siri (Maleic anhydride modified EEA, maleic anhydride modified EVA (Mitsui's made by Jupon Polyolefin Co., Ltd.)), Bond Fast series (maleic anhydride modified EMA (Sumitomo Chemical Co., Ltd.)), Dumiran series ( Maleic anhydride modified EVOH (manufactured by Takeda Pharmaceutical Co., Ltd.)), Bondine (maleic anhydride modified EEA (manufactured by Watofina)), Tuftec (maleic anhydride modified SEBS, M1943 (produced by Asahi Kasei)), Kraton (anhydrous maleic anhydride) Acid-modified SEBS, FG 190 IX (manufactured by Kraton Polymer Co., Ltd.
- a compound capable of introducing an imino group is a compound having an imino group that does not form part of a cyclic compound such as a heterocyclic ring and other active hydrogen groups (for example, a hydroxyl group, a thiol group, an amino group, etc.) in the molecule. If it is, it will not specifically limit, As a specific example, it is N-methylamino ethanol.
- N-ethylaminoethanol N-ethylaminoethanol, N-n-propylaminoethanol, N-n-butylaminoethanol, N-n-pentylaminoethanol, N-n-hexylaminoethanol, N-n-heptyl Ruaminoethanol, N—n—octylaminoethanol, N—n—noluminaminoethanol, N—n—decylaminoethanol, N—n—undecylaminoethanol, N—n—dodecyl Alkylamino alcohols such as aminoethanol, N- (2-ethylhexyl) aminoethanol, N-methylaminopropanol, N-methylaminobutanol; N-phenolaminoethanol, N-toluylaminoethanol , N-phenylaminopropanol, N-phenylaminobutanol and other aromatic amino alcohols; N-methylaminoethanethiol, N-e
- Nn-butylaminoethanol Nn-octylaminoethanol, and Nn-dodecylaminoethanol are preferable.
- the nitrogen-containing heterocycle exemplified above may be a substituent that reacts with a cyclic acid anhydride group such as maleic anhydride (for example, a hydroxyl group, a thiol group).
- a cyclic acid anhydride group such as maleic anhydride (for example, a hydroxyl group, a thiol group).
- reaction step A a compound capable of introducing an imino group and an elastomeric polymer containing a cyclic acid anhydride group in the side chain are mixed, and the compound and the cyclic acid anhydride group are chemically bonded.
- This is a step of reacting (opening a cyclic acid anhydride group) at a possible temperature (for example, 60 to 250 ° C.).
- a possible temperature for example, 60 to 250 ° C.
- the compound capable of introducing an imino group may be reacted with a part or all of the cyclic acid anhydride group contained in the side chain of the elastomeric polymer.
- the term “partially” means that 1 mol% or more is preferably 10 mol% or more, more preferably 30 mol% or more, with respect to 100 mol% of the cyclic acid anhydride group. Within this range, high physical properties (for example, breaking properties) are sufficiently exhibited, and compression set resistance is further improved.
- reaction step B a compound capable of introducing a nitrogen-containing heterocycle and an elastomeric polymer containing a cyclic acid anhydride group in the side chain are mixed, and the compound and the cyclic acid anhydride group are chemically converted.
- the reaction is performed at a temperature capable of bonding (for example, 60 to 250 ° C.) (cyclic acid anhydride group is opened).
- a temperature capable of bonding for example, 60 to 250 ° C.
- cyclic acid anhydride group is opened.
- the compound capable of introducing a nitrogen-containing heterocycle may be reacted with a part or all of the cyclic acid anhydride group contained in the side chain of the elastomeric polymer.
- the term “partially” means that 1 mol% or more is preferably 50 mol% or more, more preferably 80 mol% or more, with respect to 100 mol% of the cyclic anhydride group. Within this range, the effect of introducing a nitrogen-containing heterocyclic ring is exhibited, and mechanical strength such as tensile strength at the time of crosslinking is further improved.
- both the reaction step A and the reaction step B are provided.
- the compound capable of introducing an imino group and the compound capable of introducing a nitrogen-containing heterocycle can be reacted with a part or all of the cyclic acid anhydride group contained in the side chain of the elastomeric polymer.
- the reaction ratio of each compound with respect to the cyclic acid anhydride group is not particularly limited, but in total, 1 mol% or more is preferable with respect to 100 mol% of the cyclic acid anhydride group, and more preferably 50 mol% or more.
- the ratio of the reaction ratio of each compound to the cyclic acid anhydride group is preferably 1:99 to 99: 1. A ratio of 10:90 to 99: 1 is more preferable. A ratio of 20:80 to 90: 1 is particularly preferable.
- the reaction step C is a step of producing an elastomeric polymer containing a cyclic acid anhydride group in the side chain by reacting an elastomeric polymer with a compound capable of introducing a cyclic acid anhydride group.
- reaction step D an elastomeric polymer containing a cyclic acid anhydride group in the side chain and a compound that forms a covalent bond are mixed, and the cyclic acid anhydride group and the compound can be chemically bonded.
- This is a step of reacting (opening a cyclic acid anhydride group) at a temperature (eg, 60 to 250 ° C.).
- a temperature eg, 60 to 250 ° C.
- the compound that forms a covalent bond may be reacted with a part or all of the cyclic acid anhydride group contained in the side chain of the elastomeric polymer.
- the term “partially” means that 1 mol% or more is preferably 10 mol% or more, more preferably 30 mol% or more, with respect to 100 mol% of the cyclic acid anhydride group. Within this range, high physical properties (for example, breaking properties) are sufficiently exhibited, and compression set resistance is further improved.
- Such a production method includes, for example, an elastomeric polymer containing a cyclic acid anhydride group in the side chain, a compound capable of introducing an imino group, and a compound capable of introducing Z or a nitrogen-containing heterocyclic ring. It may be a method of mixing the product with a roll, a kneader, a single screw extruder, a twin screw extruder, a universal stirrer, etc. at 60 to 250 ° C.
- each group (structure) of the side chain of the thermoplastic elastomer (A), that is, an unreacted cyclic acid anhydride group, the above formulas (2), (3), ( The structures represented by 5), (6), etc. can be confirmed by commonly used analytical means such as NMR and IR ⁇ vectors.
- thermoplastic polymer (B) used in the foam composition according to the second aspect of the present invention is not particularly limited as long as it is thermoplastic, and specific examples thereof include ethylene-propylene copolymer, polyolefin soft Examples thereof include resin, propylene-butene copolymer, ethylene octene, and ethylene butene copolymer.
- thermoplastic polymer (B) examples include ethylene propylene copolymer (Tuffmer P0775, manufactured by Mitsui Chemicals), ethylene-propylene copolymer (Tuffmer P0080K, Mitsui). ⁇ gakusha), polyolefin soft rosin (142 ⁇ , manufactured by Idemitsu Kosan Co., Ltd.), polyolefin soft rosin (Kitataro series, Sanalomer), polyolefin soft rosin (Newcon series, Nippon Polypro) ), Propylene-butene copolymer (VESTOPLAST, manufactured by Degussa), ethylene-iotaten or ethylene-butene copolymer (engage series, manufactured by DuPonda Welastoma Japan) can be used.
- ethylene propylene copolymer (Tuffmer P0775, manufactured by Mitsui Chemicals), ethylene-propylene copolymer (Tuffmer P0080K, Mitsui
- the thermoplastic polymer (B) has an MFR (melt mass flow rate) measured at 230 ° C and a load of 2.16 kg of not less than 0. OlgZlOmin. Is more preferably 0.1 to 100 gZlOmin.
- MFR is a value measured in accordance with “Testing method for melt mass flow rate (MFR) of plastic thermoplastic plastic” specified in JIS K 7210: 1999.
- thermoplastic elastomer (A) and the thermoplastic polymer are within this range.
- thermoplastic elastomer composition containing (B) and the internal mold release agent (C) described later It becomes easy to adjust the viscosity of the thermoplastic elastomer composition containing (B) and the internal mold release agent (C) described later, and to easily adjust the foaming rate of the resulting foam composition.
- the content of the thermoplastic polymer (B) is 1 to 300 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer (A). Is preferred
- thermoplastic elastomer (A) and the thermoplastic polymer (B) have a solubility parameter (Sp value) satisfying the following relational expression.
- Solubility parameter (Sp value) satisfying the following relational expression. The reason why the compatibility of the elastomer (A) and the thermoplastic polymer (B) is good is preferable.
- the internal mold release agent (C) used in the foam composition according to the second aspect of the present invention is not particularly limited as long as it is a compound that improves stickiness. Specific examples thereof include fatty acid amides.
- an internal mold release agent (C) specifically, for example, a commercially available product such as a mixture of fatty acid amide, fatty acid ester and fatty acid metal salt (Stratatol HT204, manufactured by Schill Seilacher) can be used. it can.
- a commercially available product such as a mixture of fatty acid amide, fatty acid ester and fatty acid metal salt (Stratatol HT204, manufactured by Schill Seilacher) can be used. it can.
- the content of the internal release agent (C) is 0.1 to 50 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer (A). It is preferred 0. 1 ⁇
- thermoplastic elastomer composition containing the thermoplastic elastomer (A), the thermoplastic polymer (B), and the internal release agent (C),
- the viscosity of the viscosity measured at 0 ° C and the shear rate of 60.8 s- 1 is 3000 Pa's or more, more preferably 5000 Pa's or more.
- the capillary viscosity is a value measured in accordance with “Plastic flow rheometer plastic flow characteristics test method” defined in JIS K 7199: 1999.
- the foaming ratio of the resulting foam composition is further improved, and the light weight and cushioning properties are improved.
- thermoplastic elastomer composition contains the thermoplastic polymer (B) and the internal mold release agent (C), and therefore is charged into an extruder.
- the extruding skin at the time of extrusion becomes good. This is considered to be due to the improvement of fluidity by the thermoplastic polymer (B) and the improvement of stickiness by the internal release agent (C).
- the foaming agent (D) used in the foam composition of the present invention is mixed with the material and heated. It is not particularly limited as long as it generates gas and generates bubbles in the product (product), and is broadly classified into physical foaming agents and chemical foaming agents.
- physical foaming agents include inorganic foaming agents such as nitrogen, air, carbon dioxide, ammonia, water, and hollow glass balloons; and organic foaming agents such as pentane, dichloroethane, and chlorofluorocarbon.
- Examples of the chemical foaming agent include inorganic foaming agents such as a reaction type of sodium bicarbonate and acid, and a thermal decomposition type of carbonate and the like; a reaction type such as isocyanate compound, an azo compound, a hydrazine derivative, and a semicarbazide.
- Examples of the organic foaming agent include pyrolysis-type compounds such as at least one selected from the group consisting of compounds, azides, nitroso compounds, triazole compounds, tetrazole compounds, and bicarbonates.
- ADCA azodicarbonamide
- C H N NHC H
- N′-dinitrosope N, N′-dinitrosope.
- Ntamethylenetetramine DPT
- 4, 4'-oxybis (benzenesulfurhydrazide) OBSH
- hydrazodicarbonamide HDCA
- norazodicarboxylate BaZ AC
- sodium bicarbonate NaHCO3
- Ammonium carbonate ((NH) CO)
- thermoplastic elastomer (A) By containing such a foaming agent (D) together with the thermoplastic elastomer (A), the hardness and density of the resulting foam (composition) of the present invention are lowered, and weight reduction and cushioning properties are good. It becomes. This is based on foaming by containing a foaming agent, but the foam (composition) of the present invention uses the above thermoplastic elastomer (A)! The effect is superior compared to the case of using mechanically cross-linked thermoplastic elastomer (TPV).
- TPV mechanically cross-linked thermoplastic elastomer
- thermoplastic elastomer contains a large amount of cross-linked rubber, so there is little foaming of the thermoplastic resin matrix even at high temperatures (for example, 200 ° C).
- foam (composition) of the present invention has improved foamability, The tensile strength at the time of crosslinking is also improved. This is because, as will be described later, the above thermoplastic elastomer has good foamability because the crosslinking is removed at about 80 to 200 ° C, and the tensile strength is good because the crosslinking is formed at 80 ° C or less. It is.
- the dynamic crosslinkable thermoplastic elastomer has a problem that the smoothness and glossiness of the surface are lowered when foamed due to the presence of rubber (crosslinked rubber). Product) has no such problems because it does not have crosslinked rubber.
- the content of the foaming agent (D) added to the thermoplastic elastomer (A) is based on the total mass of the foam composition. against it, 0.0 to 10 weight 0/0 a is in the range of more preferably tool from 0.5 to 5% by weight of a preferred instrument from 0.1 to 10 weight 0/0 that is more favorable It is particularly preferably 1 to 3% by mass.
- the content of the foaming agent is within this range, the hardness and density of the foam of the present invention to be obtained become better, and the compression set resistance is further improved.
- the foam composition of the present invention contains a styrenic thermoplastic elastomer which is preferable from the viewpoint of improving compression set. It is preferable to contain an agent.
- thermoplastic elastomer and filler that may be optionally contained in the foam composition of the present invention will be described in detail below.
- the styrenic thermoplastic elastomer that may optionally be contained in the foam composition of the present invention is a known styrenic thermoplastic elastomer obtained as an aromatic belief compound and a conjugate power block copolymer. It is one.
- the above-mentioned styrenic thermoplastic elastomer has a block polymerized portion of an aromatic vinyl corresponding to a crosslinking point at the end and a weight average molecular weight of 100,000 from the viewpoint of improving compression set.
- the above is preferable.
- aromatic belieu compound examples include styrene, a-methyl styrene, 3-methyl styrene, 4-propyl styrene, and the like. You may use the above together.
- conjugated gen examples include butadiene, isoprene and And mixtures thereof.
- the resulting foam composition has good compression set. This is because the styrenic thermoplastic elastomer is incompatible and forms an independent phase with low fluidity, and the styrenic thermoplastic elastomer has a high affinity with oil, so the styrenic thermoplastic This is presumably because the elastomer and oil are incorporated into the crosslinked structure of the thermoplastic elastomer (A) while the styrene-based thermoplastic elastomer has absorbed the oil.
- the method for producing the styrene-based thermoplastic elastomer is not particularly limited.
- a preferred example is a method obtained by copolymerization (block copolymerization) with a polymer (block (B)) obtained by polymerizing diene.
- the number average molecular weight of the block (A) is preferably in the range of 3000 to 50000.
- the mechanical strength of the resulting styrenic thermoplastic elastomer is good, and the compression set resistance when the foam composition of the present invention using the styrenic thermoplastic elastomer is obtained. Becomes better.
- the number average molecular weight of the block (B) is preferably in the range of 10,000 to 200,000. When the molecular weight is within this range, the viscosity at the time of mixing and melting when obtaining the foam composition of the present invention using the resulting styrenic thermoplastic elastomer is improved, and the resulting foam composition of the present invention is obtained. The viscosity at the time of mixing and melting is improved.
- the styrenic thermoplastic elastomer obtained as a block copolymer has one or more blocks (A) and one or more blocks (B), and the block form is A- (BA ) Or (A— B).
- A—B and A—B—A may be used in combination.
- the styrene-based thermoplastic elastomer scratch more preferably a styrene content of from 10 to 60 weight 0 / preferably fixture 30-50 mass 0/0 that is 0 .
- the viscosity at the time of mixing and melting in obtaining the foam composition of the present invention becomes good, and the mechanical strength and pressure resistance of the resulting foam composition of the present invention are improved.
- the compression set is further improved.
- styrene-based thermoplastic elastomer examples include, for example, a styrene isoprene block copolymer hydrogenated product (SEPS: styrene ethylene propylene styrene block copolymer), styrene ethylene ethylene propylene styrene.
- SEPS styrene isoprene block copolymer hydrogenated product
- SEEPS block copolymers
- SEBS styrene ethylene butylene styrene block copolymers
- thermoplastic elastomer As such a styrenic thermoplastic elastomer, commercially available products such as Septon 2006 (SEPS, manufactured by Kurarene) and Septon 4055 (SEEPS, manufactured by Kralene) can be used.
- Septon 2006 SEPS, manufactured by Kurarene
- SEEPS Septon 4055
- the content of the styrenic thermoplastic elastomer is 1 to 500 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer (A). More preferred is 30 to 200 parts by weight, and more preferred is 50 to 150 parts by weight. When the content of the styrenic thermoplastic elastomer is within this range, the mechanical strength and compression set resistance of the resulting foam composition of the present invention are further improved.
- the filler that may be optionally contained in the foam composition of the present invention preferably contains carbon black and / or silica.
- the type of carbon black is appropriately selected according to the application. Generally, carbon black is classified into hard carbon and soft carbon based on the particle size. Soft carbon has low reinforcement to rubber, and hard carbon has strong reinforcement to rubber. In the present invention, it is particularly preferable to use a node carbon having a strong reinforcing property.
- the content of carbon black (when used alone) is 1 to 200 parts by weight, preferably 10 to 100 parts by weight with respect to 100 parts by weight of the thermoplastic elastomer (A). More preferably, it is 20 to 80 parts by mass.
- Silica is not particularly limited, and specific examples include fumed silica, calcined silica, precipitated silica, pulverized silica, fused silica, diatomaceous earth, and the like. (When used) is 1 to 200 parts by weight with respect to 100 parts by weight of the thermoplastic elastomer (A), and 10 to: L00 is preferably 20 parts by weight, more preferably 20 to 80 parts by weight. Like That's right. Of these, precipitated silica is preferred.
- silane coupling agent When silica is used as the filler, a silane coupling agent can be used in combination.
- the silane coupling agent include bis (triethoxysilylpropyl) tetrasulfide (Si69), bis (triethoxysilylpropyl) disulfide (Si75), ⁇ mercaptopropyltrimethoxysilane, vinyltrimethoxysilane, and the like.
- aminosilane compounds described later can also be used.
- the content is 1 to 200 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer ( ⁇ ⁇ ).
- ⁇ LOO parts by mass are preferred. 20-80 parts by mass are more preferred.
- fillers other than carbon black and silica include, for example, iron oxide, zinc oxide, aluminum oxide, titanium oxide, barium oxide, magnesium oxide, calcium carbonate, magnesium carbonate, and carbonate.
- Zinc, wax stone clay, kaolin clay, calcined clay and the like can be mentioned.
- the content of these reinforcing agents is preferably 10 to: 20 parts by mass of LOO, more preferably 20 to 80 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer (ii). .
- a filler formed by introducing an amino group hereinafter simply referred to as "amino group-introduced filler”). It is preferable to use it.
- filler that serves as a base for the amino group-introduced filler examples include fumed silica, calcined silica, precipitated silica, crushed silica force, melting Silicas such as silica and diatomaceous earth; carbon black, iron oxide, zinc oxide, titanium oxide, barium oxide, magnesium oxide, calcium carbonate, magnesium carbonate, zinc carbonate, wax stone clay, kaolin clay, calcined clay, etc.
- silica, carbon black, and calcium carbonate are preferred, and silica is more preferable. .
- amino group introduced into the filler serving as the substrate is not particularly limited, and specific examples thereof include an aliphatic amino group and an aromatic amino group.
- an amino group having an amino group in an aliphatic amine compound an amino group having an amino group bonded to an aromatic group having an aromatic amine compound, and an aromatic group having an amino group bonded to an aromatic amine compound. It is called a heterocyclic amino group.
- a heterocyclic amino group and a heterocyclic amino group are formed. It is preferably a heterocyclic amino group or an aliphatic amino group, preferably a mixed amino group or an aliphatic amino group.
- the series of the amino group is not particularly limited, but is primary (—NH 3).
- the interaction with the thermoplastic elastomer (A) tends to be strong, and gelation may occur depending on conditions for preparing the composition.
- the amino group is tertiary, the interaction with the thermoplastic elastomer (A) tends to be weak, and the effect of improving compression set resistance and the like when used as a foam composition is obtained. May be small.
- the amino group is preferably secondary or more preferably secondary or secondary.
- the amino group is preferably a heterocyclic amino group, a mixed amino group containing a heterocyclic amino group, a heterocyclic amino group or a primary or secondary aliphatic amino group.
- a secondary or secondary aliphatic amino group is particularly preferred.
- At least one amino group is present on the surface of the filler serving as the substrate. From the viewpoint of excellent effects of improving compression set resistance and the like when a foamed composition is used, a plurality of amino groups are used. It is preferable to have it.
- At least one of the plurality of amino groups is preferably a heterocyclic amino group.
- primary or secondary amino groups aliphatic amino groups, aromatic More preferably an aromatic amino group or a heterocyclic amino group).
- the type and series of the amino group can be arbitrarily adjusted for the amino group depending on the physical properties required for the composition.
- the amino group-introduced filler is obtained by introducing the amino group into the filler serving as the substrate.
- the method for introducing the amino group is not particularly limited, and specific examples thereof include surface treatment methods generally used for various fillers, reinforcing agents, etc. (for example, surface modification methods, surface coating methods, etc.). Can be mentioned. Preferred methods include a method in which a compound having a functional group and an amino group capable of reacting with the filler serving as the substrate is reacted with the filler (surface modification method), and a filler serving as the substrate with a polymer having an amino group. And a method of coating the surface of the resin (surface covering method) or a method of reacting a compound having an amino group in the synthesis process of the filler.
- the amino group-introduced fillers may be used alone or in combination of two or more. When two or more types are used in combination, the mixing ratio may be any ratio depending on the application in which the foam (composition) of the present invention is used, the physical properties required for the foam (composition) of the present invention, and the like. can do.
- the content of the amino group-introduced filler is preferably 1 to 200 parts by mass and more preferably 10 parts by mass or more with respect to 100 parts by mass of the thermoplastic elastomer (A). It is particularly preferably 30 parts by mass or more.
- the foam composition of the present invention is a polymer other than the thermoplastic elastomer (A) and the thermoplastic polymer (B), as necessary, within a range not impairing the object of the present invention, Amino group-containing compounds other than the above amino group-introduced fillers, compounds containing metal elements (hereinafter simply referred to as “metal salts”), maleic anhydride-modified polymers, antioxidants, antioxidants, pigments (dyes), Various plasticizers, thixotropic agents, UV absorbers, flame retardants, solvents, surfactants (including repellents), dispersants, dehydrants, antifungal agents, adhesion promoters, antistatic agents, fillers, etc. Additives and the like can be contained.
- thermoplastic elastomer (A) and the thermoplastic polymer (B) a polymer having a glass transition temperature of 25 ° C. or lower is preferable for the same reason as described above.
- a polymer having a glass transition temperature of 25 ° C. or lower is preferable for the same reason as described above.
- natural rubber (NR) isoprene rubber (IR), butadiene rubber (BR), 1,2 butadiene rubber, styrene butadiene rubber (SBR), acrylonitrile butadiene rubber.
- NBR Butinole Rubber
- IIR Ethylene Propylene Gen Rubber
- EPDM Ethylene-Propylene Rubber
- AEM Ethylene-Atalinole Rubber
- EBM Ethylene-Butene Rubber
- Polystyrene Elastomer that may be hydrogenated Uniform polymers for example, SBS, SIS, SEBS, etc.
- polyolefin elastomeric polymers polychlorinated elastomeric polymers
- polyurethane elastomeric polymers polyester elastomeric polymers
- polyamide elastomers A polymer having a unsaturated bond such as IIR, EPM and EBM!
- a polymer or a polymer having few unsaturated bonds, and a polymer (for example, E PDM) are preferable.
- polymers having hydrogen-bondable sites such as polyesters, polylatatones, and polyamides.
- the polymer other than the thermoplastic elastomer (A) may contain one kind or two or more kinds.
- the amino group in the amino group-containing compound is basically the same as that described for the amino group-introduced filler, and is not particularly limited as long as the content of the amino group is 1 or more. Two or more are preferable because they can form two or more cross-linked bonds with the thermoplastic elastomer (A), and are excellent in improving physical properties.
- the series of amino groups in the amino group-containing compound is not particularly limited, and is the same as the amino group in the amino group-introduced filler, primary (-NH 2), secondary (imino group,> NH), 3 Grade (> N-)
- any grade 4 (> N +), depending on the physical properties such as recyclability, compression set resistance, mechanical strength and hardness required for the foam (composition) of the present invention. Can be selected. When a secondary amino group is selected, the mechanical strength tends to be excellent, and when a tertiary amino group is selected, the recyclability tends to be excellent. In particular, it is preferable to have two secondary amino groups because the foam (composition) of the present invention to be obtained is excellent in recyclability and compression set resistance and in balance of both physical properties.
- the number of primary amino groups in the amino group-containing compound is preferably 2 or less. It is more preferable to use 1 or less.
- the (crosslinking) bond formed by the amino group and the functional group in the thermoplastic elastomer (A) is formed. It may become stronger and impair excellent recyclability.
- amino group-containing compounds include N, N'-dimethylethylenediamine, N, N'-jetylethylenediamine, N, N'-diisopropylethylenediamine.
- secondary aliphatic diamines polyamines containing aromatic primary amines and heterocyclic amines, or tertiary heterocyclic diamines are more preferred.
- amino group-containing compound a polymer compound having an amino group can be used.
- the polymer compound having an amino group is not particularly limited, and specific examples thereof include polyamide, polyurethane, urea resin, melamine resin, polybulamine, polyallylamine, polyacrylamide, polymethacrylamide, polyaminostyrene, Examples thereof include polymers such as amino group-containing polysiloxanes, and polymers obtained by modifying various polymers with compounds having amino groups.
- the physical properties of these polymers such as average molecular weight, molecular weight distribution and viscosity are not particularly limited, and are required for the use of the foam (composition) of the present invention and the foam (composition) of the present invention. Depending on the physical properties, etc., any physical properties can be obtained.
- the polymer compound having an amino group is preferably a polymer obtained by polymerizing (condensation or polycondensation) a condensable or polymerizable compound (monomer) having an amino group. It is a polysiloxane having an amino group which is a single condensate of a silyl compound having a functional substituent and an amino group, or a co-condensate of the silyl compound and a silyl compound having no amino group. However, it is preferable because it is easy to obtain and can be easily manufactured, and it is easy to adjust the molecular weight and the rate of introduction of the amino group.
- the silyl compound having a hydrolyzable substituent and an amino group is not particularly limited, and examples thereof include an aminosilane compound. Specifically, ⁇ -aminopropyltrimethoxysilane, ⁇ —Aminopropyltriethoxysilane, ⁇ — Aminopropylmethyldimethoxysilane, ⁇ —Aminopropylmethyljetoxysilane, 4-amino-1,3-dimethylbutyltrimethoxysilane (above, Nippon Car Company) Aminosilane compounds having an aliphatic primary amino group such as), ⁇ -bis [(3-trimethoxysilyl) propyl] amine, ⁇ , ⁇ -bis [(3-triethoxysilyl) propyl] amine , ⁇ , ⁇ -bis [(3-Tripropoxysilyl) propyl] amine (supplied by Nippon Carker), 3- ( ⁇ -butylamino) propy
- aminosilane compound having an aliphatic primary amino group aminosilane having an aliphatic secondary amino group
- aminosilane having an aliphatic secondary amino group Compounds and Aliphatics Preferred are aminoalkylsilane compounds of aminosilane compounds having primary and secondary amino groups.
- a silyl compound having no amino group is a compound different from a silyl compound having a hydrolyzable substituent and an amino group and does not include an amino group.
- Specific examples thereof include alkoxysilane compounds, halogenated silicon compounds, and the like. Of these, alkoxysilane compounds are preferred because they are readily available and easy to handle and have excellent physical properties of the cocondensates that can be obtained immediately.
- alkoxysilane compound examples include, for example, tetramethoxysilane, tetraethoxysilane, tetrabutoxysilane, tetraisopropoxysilane, methinotritrimethoxysilane, methyltriethoxysilane, and methyltributoxysilane.
- hydrogenated and silogenated silane compounds include tetrachlorosilane and butyltrifluorosilane.
- tetraethoxysilane and tetramethoxysilane are preferred from the viewpoint of low cost and safe handling.
- silyl compound having a hydrolyzable substituent and an amino group and the silyl compound having no amino group may be used alone or in combination of two or more.
- Such a polymer compound having an amino group may be used alone or in combination of two or more.
- the mixing ratio when two or more types are used in combination is an arbitrary ratio depending on the use of the foam (composition) of the present invention, the physical properties required for the foam (composition) of the present invention, etc. be able to.
- the content of the polymer compound having an amino group is defined by the number of nitrogen atoms (equivalent) in the compound with respect to the side chain of the thermoplastic elastomer (A) as in the case of the amino group-containing compound.
- the content of the polymer compound having an amino group is preferably 1 to 200 parts by mass, more preferably 5 parts by mass or more with respect to 100 parts by mass of the thermoplastic elastomer (A). It is particularly preferably 10 parts by mass or more.
- the metal salt is not particularly limited as long as it is a compound containing at least one metal element. Li, Na, K, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga and Preferably, the compound is a compound containing one or more metal elements selected from the group consisting of Al.
- the metal salt include saturated fatty acid salts having 1 to 20 carbon atoms such as formate, acetate and stearate containing one or more of these metal elements, and (meth) acrylic acid.
- Unsaturated fatty acid salts such as salts, metal alkoxides (reactants with alcohols having 1 to 12 carbon atoms), nitrates, carbonates, bicarbonates, chlorides, oxides, hydroxides, complexes with diketones, etc. It is done.
- the “complex with diketone” refers to, for example, a complex in which a 1,3-diketone (eg, acetylacetone) is coordinated to a metal atom.
- a 1,3-diketone eg, acetylacetone
- the metal elements preferably include Ti, Al, and Zn as these metal salts.
- C1-C20 saturated fatty acid salts such as acetates and stearates, metal alkoxides (reactants with alcohols having 1 to 12 carbon atoms), oxides, hydroxides, and complexes with diketones are preferred.
- Particularly preferred are saturated fatty acid salts having 1 to 20 carbon atoms such as stearate, metal alkoxides (reactants with alcohols having 1 to 12 carbon atoms), and complexes with diketones.
- the above metal salts may be used alone or in combination of two or more.
- the mixing ratio when two or more kinds are used in combination is an arbitrary ratio depending on the use of the foam (composition) of the present invention and the physical properties required for the foam (composition) of the present invention. be able to.
- the content of the metal salt is 0.05 to 3.0 equivalents with respect to the carbo group contained in the thermoplastic elastomer (A). More preferably, it is 0 equivalent. Particularly preferred is 0.2 to 1.0 equivalent.
- the resulting foam (composition) of the present invention is preferably improved in physical properties such as compression set, mechanical strength and hardness.
- any hydroxide, metal alkoxide, carboxylate, or the like that the metal can take can be used.
- hydroxide as an example, if the metal is iron, Fe (OH)
- the metal salt is selected from the group force of Li, Na, K, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, and Al force.
- it is preferable that it is a compound containing a metal element, you may contain metal elements other than these in the range which does not impair the effect of this invention.
- the content rate of metal elements other than these is not specifically limited, For example, it is preferable that it is 1-50 mol% with respect to all the metal elements in the said metal salt.
- the maleic anhydride-modified polymer is a polymer obtained by modifying the elastomeric polymer with maleic anhydride, and the side chain of the maleic anhydride-modified polymer includes a maleic anhydride residue and a monomer-containing polymer. It has a functional group other than a nitrogen heterocycle, but it preferably has only a maleic anhydride residue.
- the maleic anhydride residue is introduced into the side chain or terminal of the elastomeric polymer.
- the hydrous maleic acid residue is a cyclic acid anhydride group, and the cyclic acid anhydride group (part) does not open.
- thermoplastic polymer for example, as shown in the following formula (41), a side chain obtained by reacting an ethylenically unsaturated bond portion of maleic anhydride with an elastomeric polymer is used.
- Thermoplastic elastomers having a cyclic acid anhydride group and no nitrogen-containing heterocycle are exemplified, and specific examples thereof are exemplified by the above-mentioned elastomeric polymer containing a cyclic acid anhydride group in the side chain. The thing which was done is mentioned.
- X is an ethylene residue or a propylene residue, and 1, m and n each independently represents a number of 0.1 to 80.
- the amount of maleic anhydride modification is preferably 0.1 to 50 mol with respect to 100 mol% of the main chain portion of the elastomeric polymer from the viewpoint of improving compression set resistance without impairing excellent recyclability. 0/0, more preferably from 0.3 to 30 mole 0/0, and particularly preferably from 0.5 to 10 mole 0/0.
- the maleic anhydride-modified polymers may be used alone or in combination of two or more.
- the mixing ratio when two or more types are used in combination is an arbitrary ratio depending on the use of the foam (composition) of the present invention and the physical properties required for the foam (composition) of the present invention. be able to.
- the content of the maleic anhydride-modified polymer is preferably 1 to: LOO parts by mass with respect to 100 parts by mass of the thermoplastic elastomer (A), and 5 to 50 parts by mass. Is more preferable.
- the content power of the maleic anhydride-modified polymer is preferably in this range, since the processability and mechanical strength of the resulting foam (composition) of the present invention are improved.
- the thermoplastic elastomer (A) of the present invention specifically, in the reaction step A or B, the elastomeric property containing a cyclic acid anhydride group in the side chain as an unreacted product. When the polymer remains, it can be contained as it is in the foam (composition) of the present invention without removing the remaining carbonyl-containing group-modified elastomer.
- antioxidants include hindered phenols, aliphatic and aromatic hindered amines, and the like.
- antioxidants are, for example, butylhydroxytoluene (BHT), butyhydroxydiamine (BHA) and the like.
- the pigment include, for example, titanium dioxide, zinc oxide, ultramarine, bengara, lithobon, lead, cadmium, iron, cobalt, aluminum, hydrochloride, sulfate, and other inorganic pigments, azo pigments, copper phthalocyanine.
- examples thereof include organic pigments such as pigments.
- plasticizer examples include derivatives such as benzoic acid, phthalic acid, trimellitic acid, pyromellitic acid, adipic acid, sebacic acid, fumaric acid, maleic acid, itaconic acid, and citrate.
- polyester, polyetherol, epoxy and the like can be mentioned.
- thixotropic agent examples include benton, caustic anhydride, kaic acid derivatives, urea derivatives, and the like.
- ultraviolet absorber examples include 2-hydroxybenzophenone, benzotriazole, and salicylic acid ester.
- the flame retardant include, for example, phosphorus-based compounds such as TCP, halogen-based compounds such as chlorinated paraffin and parka pentapentadecane, antimony-based compounds such as antimony oxide, and hydroxylated compounds.
- phosphorus-based compounds such as TCP
- halogen-based compounds such as chlorinated paraffin and parka pentapentadecane
- antimony-based compounds such as antimony oxide
- hydroxylated compounds examples include aluminum and magnesium hydroxide.
- the solvent include hydrocarbons such as hexane and toluene; halogenated hydrocarbons such as tetrachloromethane; ketones such as acetone and methyl ethyl ketone; jetyl ether and tetrahydrofuran. And ethers such as ethyl acetate, and the like.
- surfactant leveling agent
- surfactant include polybutyl acrylate, polydimethylsiloxane, modified silicone compound, and fluorine surfactant.
- dehydrating agent examples include bursilane and the like.
- antifungal agent examples include zinc phosphate, tannic acid derivatives, phosphate esters, basic sulfonates, and various antifungal pigments.
- adhesion-imparting agent examples include known silane coupling agents, silanized compounds having an alkoxysilyl group, titanium coupling agents, zirconium coupling agents and the like. More specifically, examples include trimethoxybutylsilane, butyltriethoxysilane, vinyltris (2-methoxyethoxy) silane, ⁇ -methacryloxypropyltrimethoxysilane, and 3-glycidoxypropyltrimethoxysilane.
- Antistatic agents generally include quaternary ammonium salts, or hydrophilic compounds such as polyglycols and ethylene oxide derivatives.
- the content of the plasticizer is preferably 0.1 to 100 parts by mass, more preferably 1 to 80 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer ( ⁇ ). It is particularly preferably 1 to 30 parts by mass, more preferably 1 to 50 parts by mass.
- the content of the other additive is preferably 0.1 to 50 parts by mass, more preferably 1 to 30 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer (ii). Mashi 1-: LO parts by mass is more preferred 1-5 parts by mass is particularly preferred.
- thermoplastic elastomers ( ⁇ ) can be self-cross-linked You can also do it.
- Vulcanizing agents include Zio, organic peroxides, metal oxides, phenol resin, quino And vulcanizing agents such as dioxime.
- thio-based vulcanizing agent examples include powder, precipitation, high dispersibility, surface treatment, insoluble, dimorpholine disulfide, alkylphenol disulfide, and the like.
- organic peroxide vulcanizing agents include benzoyl peroxide, t-butyl hydroperoxide, 2,4-dichlorobenzoic peroxide, 2,5 dimethyl-2,5 Examples include di (t-butylperoxy) hexane, 2,5 dimethylhexane 2,5 di (veroxylbenzoate), and the like.
- magnesium oxide examples include magnesium oxide, risurge (acid lead), p quinone dioxime, tetrataro p benzoquinone, p dibenzoyl quinone dioxime, poly p dinitrosobenzene, and methylene di-line.
- the vulcanization aid include zinc oxide, magnesium oxide, amines; fatty acids such as acetylic acid, propionic acid, butanoic acid, stearic acid, acrylic acid, and maleic acid; zinc acetylate, And fatty acid zinc such as zinc propionate, zinc butanoate, zinc stearate, zinc acrylate, and maleate.
- vulcanization accelerator examples include thiurams such as tetramethylthiuram disulfide (TMT D) and tetraethylthiuram disulfide (TETD); aldehydes such as hexamethylenetetramine; Guazines such as diphenylguazine; 2-Thiazoles such as mercaptobenzodiazole and dibenzothiazyl disulfide (DM); N-cyclohexyl-2-benzothiazylsulfenamide, N—t And sulfenamides such as butyl-2-benzothiazylsulfenamide; Further, an alkylphenol resin or a halogenated product thereof can be used.
- TTT D tetramethylthiuram disulfide
- TETD tetraethylthiuram disulfide
- aldehydes such as hexamethylenetetramine
- Guazines such as diphenylgu
- the vulcanization retarder include organic acids such as phthalic anhydride, benzoic acid, salicylic acid and acetylsalicylic acid; N-trosodiphenylamine, N-trosophylamine ⁇ -naphthylamine, ⁇ -toro -Troso compounds such as polymers of sotrimethyl monodihydroquinoline; halides such as trichloromelanin; 2-mercaptobenzimidazole; ⁇ - (cyclohexylthio) phthalimide (Santgard PVI);
- the content of these vulcanizing agents, etc., with respect to 100 parts by mass of the thermoplastic elastomer ( ⁇ ) 0.1 to 20 parts by weight is preferable 1 to 10 parts by weight is more preferable.
- Curing conditions when the foam composition of the present invention is permanently crosslinked (with a vulcanizing agent) can be appropriately selected according to various components to be blended, and are not particularly limited. For example, curing conditions that cure at a temperature of 130 to 200 ° C in 5 to 60 minutes are preferred.
- the foam composition of the present invention is heated to about 80 to 200 ° C, the three-dimensional crosslinked bond (crosslinked structure) is dissociated and softened to impart fluidity. This is thought to be because the interaction between side chains formed between molecules or within molecules is weakened.
- the foam composition of the present invention that has been softened and imparted with fluidity is allowed to stand at about 80 ° C. or less, the dissociated three-dimensional cross-linked bond (cross-linked structure) is bonded again and cured. By repeating this process, the foam composition of the present invention exhibits recyclability.
- such a foam yarn composition of the present invention can be kneaded at a temperature of 180 ° C or lower.
- the viewpoint power that the conventionally known foaming agent exemplified above (especially, an organic chemical foaming agent) foams at a temperature higher than 180 ° C is also preferable.
- a foaming agent that foams at a temperature of 180 ° C. or lower is used, it is necessary to knead at a temperature lower than the foaming temperature.
- the method for producing the foam (composition) of the present invention is not particularly limited.
- the thermoplastic elastomer (A), the foaming agent, and various additives that may be contained as necessary are mixed using a kneader, kneader, single-screw extruder, twin-screw extruder, universal mill, etc., and heated at a temperature equal to or higher than the foaming temperature of the foaming agent added after kneading (for example, hot press Etc.); a method of mixing using a single screw extruder, a twin screw extruder or the like, and firing at the time of extrusion.
- the foam composition according to the second aspect of the present invention containing the thermoplastic polymer (B) and the internal mold release agent (C) is an extruder as shown in the examples described later.
- the foam pressure may be increased by increasing the resin pressure before the die of the feeder, for example, 5 MPa or more, and foaming during extrusion.
- the foam (composition) of the present invention is excellent in foaming properties and has low hardness and density, and further uses the above thermoplastic elastomer (A). Taking advantage of the characteristics, the cap material is suitably used as a packing material.
- maleic anhydride-modified ethylene-propylene copolymer TX-1215, manufactured by Mitsui Chemicals, hereinafter abbreviated as “maleated EPM1” was set at 180 ° C. LOOg (hydrous maleic acid skeleton 10.2 mmol) and ethylene propylene copolymer (Tafmer P (018 0), manufactured by Mitsui Chemicals, hereinafter abbreviated as “EPM1”).
- thermoplastic elastomer 1 was prepared.
- thermoplastic elastomer composition 1 is put in a mold so that the foaming ratio is 1.5 times, and hot-pressed at 200 ° C for 10 minutes, and then cold-pressed (pressed with the surroundings cooled with water) ) For 7 minutes to prepare foam 1.
- the molded body 1 obtained by hot press molding the thermoplastic elastomer 1 prepared in Example 1 at 200 ° C. for 10 minutes was used.
- thermoplastic elastomer 1 instead of 200 g of dynamically crosslinked thermoplastic elastomer (Santoprene 121- 68W228 (foam grade), manufactured by AES Japan) Prepared foam 2 in the same manner as in Example 1.
- the foamability of the foam 1 and foam 2 prepared was evaluated by visually confirming the state of the foam cells. The results are shown in Table 1 below.
- the foamability was evaluated by visually confirming the surface states of the prepared foam 1 and foam 2. The results are shown in Table 1 below.
- This cylindrical sample was compressed by 25% with a dedicated jig and left at 70 ° C for 22 hours.
- the compression set was measured according to JIS K6262.
- Example 1 As is clear from Table 1 above, it was found that the foam obtained in Example 1 had a favorable reduction in specific gravity and hardness as compared with Comparative Example 1 containing no foaming agent. Compared to Comparative Example 2 using a dynamically crosslinked thermoplastic elastomer, the tensile properties, foamability, and compression-resistant permanent strain were excellent / unsatisfactory.
- thermoplastic elastomer (A), thermoplastic polymer (B) and internal mold release agent (C) in parts by mass shown in Table 2 below, as well as styrenic thermoplastic elastomers, fillers, rubber olefins, and phenolic aging prevention Composition of a thermoplastic elastomer containing N-n-octylaminoethanol (Naimine C 201, Nippon Oil & Fats) and 4H-3 amino-1, 2, 4 triazole (ATA, Nippon Carbide) And the foaming agent (D) of the mass% shown in Table 2 below.
- N-n-octylaminoethanol Naimine C 201, Nippon Oil & Fats
- 4H-3 amino-1, 2, 4 triazole ATA, Nippon Carbide
- the MFR of the thermoplastic polymer (B) was measured at 230 ° C under a load of 2.16 kg according to “Testing method for melt mass flow rate (MFR) of plastic thermoplastics” specified in IS K 7210: 1999.
- the capillary viscosity of the thermoplastic elastomer composition was measured at 20 ° C at a shear rate of 60.8 s " 1 according to the" Test method for plastic flow characteristics using a plastic capillary rheometer "specified in JIS K 7199: 1999. .
- the foaming ratio of the foam obtained by extrusion foaming was calculated by measuring the specific gravity and comparing with the specific gravity before foaming.
- the appearance of the foam obtained by extrusion foaming is confirmed visually and by hand, and when the surface is rough, it is evaluated as ⁇ X '', and when the surface is slightly rough, it is evaluated as ⁇ ⁇ '', and there is no surface roughness.
- the product was evaluated as “ ⁇ ”, and the product with gloss on the surface was evaluated as “ ⁇ ”. If an evaluation of “ ⁇ ” or higher is obtained, it is practical as a foam.
- 'Thermoplastic polymer (B1) ethylene-propylene copolymer (Tuffmer P0775, manufactured by Mitsui Chemicals)
- thermoplastic elastomer Septon 4077 (SEEPS), styrene content 30% by mass, manufactured by Kuraray Co., Ltd.
- Paraffin oil PW-100, manufactured by Idemitsu Kosan Co., Ltd.
- Nymene C 201 N—n Octylaminoethanol, manufactured by NOF Corporation 'Foaming agent: OBSH (Neoselbon, manufactured by Eiwa Chemical Industry Co., Ltd.)
- the foams obtained in Examples 2 to 7 by extrusion foaming were the foams obtained in Reference Examples 1 and 2 containing no internal release agent (C).
- C internal release agent
- the appearance of the resulting foam may be improved by increasing the grease pressure before the die of the extruder feeder. I was divided.
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
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Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007504713A JP4040669B2 (ja) | 2005-02-24 | 2006-02-21 | 発泡体用組成物および発泡体 |
| US11/816,881 US20090030099A1 (en) | 2005-02-24 | 2006-02-21 | Foam composition and foam |
| DE112006000469T DE112006000469T5 (de) | 2005-02-24 | 2006-02-21 | Schaumzusammensetzung und Schaum |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005048833 | 2005-02-24 | ||
| JP2005-048833 | 2005-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006090687A1 true WO2006090687A1 (ja) | 2006-08-31 |
Family
ID=36927328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/303028 Ceased WO2006090687A1 (ja) | 2005-02-24 | 2006-02-21 | 発泡体用組成物および発泡体 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20090030099A1 (ja) |
| JP (1) | JP4040669B2 (ja) |
| DE (1) | DE112006000469T5 (ja) |
| WO (1) | WO2006090687A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011111696A1 (ja) * | 2010-03-08 | 2011-09-15 | 旭化成ケミカルズ株式会社 | 発泡体用組成物、その製造方法、及び発泡体 |
| JP2012057132A (ja) * | 2010-09-13 | 2012-03-22 | Yokohama Rubber Co Ltd:The | 発泡体用組成物および発泡体 |
| JP2016516883A (ja) * | 2013-05-07 | 2016-06-09 | エクスフラム ピーティーワイ リミテッドXflam Pty Ltd | フォーム複合材の製造方法 |
| WO2017199805A1 (ja) * | 2016-05-17 | 2017-11-23 | Jxtgエネルギー株式会社 | 熱可塑性エラストマー組成物及びその製造方法 |
| WO2017199806A1 (ja) * | 2016-05-16 | 2017-11-23 | Jxtgエネルギー株式会社 | 熱可塑性エラストマー組成物及びその製造方法 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8492447B2 (en) * | 2008-04-01 | 2013-07-23 | Exxonmobil Chemical Patents Inc. | Closed cell propylene-ethylene foam |
| GB2498694B (en) * | 2010-11-17 | 2017-04-26 | Icp Adhesives And Sealants Inc | Method for filling wall cavities with expanding foam insulation |
| SA113340273B1 (ar) * | 2012-03-14 | 2016-02-24 | ريليانس اندستريز ليمتد | توليفة من مطاط متعدد بيوتاديين عكوسة حرارياً ذات طبيعة ذاتية الالتئام |
| JP6039505B2 (ja) * | 2012-05-31 | 2016-12-07 | 日東電工株式会社 | 熱可塑性樹脂発泡体及びその製造方法並びに発泡シール材 |
| EP2897922B1 (de) * | 2012-09-24 | 2016-07-27 | Basf Se | System und verfahren zur herstellung eines ortschaums |
| US9382412B2 (en) | 2013-05-10 | 2016-07-05 | Exxonmobil Chemicals Patents Inc. | Foamed compositions comprising propylene-based elastomers, articles made therefrom, and methods of making the same |
| US11370913B2 (en) * | 2016-04-26 | 2022-06-28 | Eneos Corporation | Thermoplastic elastomer composition, method for producing the same, and elastomer molded body |
| JP6817041B2 (ja) * | 2016-11-24 | 2021-01-20 | Eneos株式会社 | 導電性熱可塑性エラストマー組成物 |
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- 2006-02-21 DE DE112006000469T patent/DE112006000469T5/de not_active Withdrawn
- 2006-02-21 JP JP2007504713A patent/JP4040669B2/ja not_active Expired - Fee Related
- 2006-02-21 US US11/816,881 patent/US20090030099A1/en not_active Abandoned
- 2006-02-21 WO PCT/JP2006/303028 patent/WO2006090687A1/ja not_active Ceased
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| JP2016516883A (ja) * | 2013-05-07 | 2016-06-09 | エクスフラム ピーティーワイ リミテッドXflam Pty Ltd | フォーム複合材の製造方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE112006000469T5 (de) | 2008-01-10 |
| JPWO2006090687A1 (ja) | 2008-07-24 |
| JP4040669B2 (ja) | 2008-01-30 |
| US20090030099A1 (en) | 2009-01-29 |
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