WO2016047791A1 - タイヤ用積層体、タイヤ用インナーライナー材及び空気入りタイヤ - Google Patents
タイヤ用積層体、タイヤ用インナーライナー材及び空気入りタイヤ Download PDFInfo
- Publication number
- WO2016047791A1 WO2016047791A1 PCT/JP2015/077213 JP2015077213W WO2016047791A1 WO 2016047791 A1 WO2016047791 A1 WO 2016047791A1 JP 2015077213 W JP2015077213 W JP 2015077213W WO 2016047791 A1 WO2016047791 A1 WO 2016047791A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rubber
- nylon
- thermoplastic resin
- parts
- copolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0008—Compositions of the inner liner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B23/046—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/20—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/042—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/18—Layered products comprising a layer of natural or synthetic rubber comprising butyl or halobutyl rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/20—Layered products comprising a layer of natural or synthetic rubber comprising silicone rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
- B60C5/14—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08L57/02—Copolymers of mineral oil hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08L61/12—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with polyhydric phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/748—Releasability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
Definitions
- the present invention relates to a laminate of a film of a thermoplastic resin composition and a layer of a rubber composition, an inner liner material for a tire comprising the laminate, and a pneumatic tire including the inner liner material. Adhesive strength between the resin composition film and the rubber composition layer is improved, and a laminate excellent in adhesion to other rubber constituting the tire, an inner liner material for tires comprising the laminate, and The present invention relates to a pneumatic tire including the inner liner material.
- the inventor previously identified a base component that generates formaldehyde and a condensate having a phenol structure in the rubber composition in a laminate of a thermoplastic resin or thermoplastic elastomer composition film and a rubber composition layer.
- a base component that generates formaldehyde and a condensate having a phenol structure in the rubber composition in a laminate of a thermoplastic resin or thermoplastic elastomer composition film and a rubber composition layer.
- the present inventor has found at least one rubber component constituting the rubber composition.
- the inventors have found that such an object can be achieved by including a specific amount of a nitrile rubber containing a carboxyl group in at least one site of the side chain and the terminal, thereby completing the present invention.
- the rubber composition containing a specific amount of a nitrile rubber containing a carboxyl group in at least one of the side chain and the terminal as a rubber component, a film of the thermoplastic resin composition is obtained. It can be firmly bonded to other rubber members constituting the tire.
- a laminate for a tire comprising a thermoplastic resin composition film and a rubber composition layer laminated on the film, wherein the rubber composition comprises: (A) at least one rubber component; (B) The following formula (1): (Wherein R 1 , R 2 , R 3 , R 4 and R 5 are independently hydrogen, a hydroxyl group, an alkyl group having 1 to 8 carbon atoms, —O—R 6 (where R 6 is An alkyl group having 1 to 8 carbon atoms), and —R 7 —O—R 8 (wherein R 7 is an alkylene group having 1 to 7 carbon atoms, and R 8 is an alkyl group having 1 to 7 carbon atoms).
- the condensate (b) is present in an amount of 0.5 to 20 parts by weight relative to 100 parts by weight of the total amount of at least one rubber component (a);
- At least one methylene donor (c) is present in an amount of 0.25 to 200 parts by weight relative to 100 parts by weight of the total amount of at least one rubber component (a);
- the mass ratio of at least one methylene donor (c) to the condensate (b) is from 0.5: 1 to 10: 1;
- the nitrile rubber in which at least one rubber component (a) contains a carboxyl group in at least one of the side chain and the terminal is 4 to 40 masses based on the total amount of at least one rubber component (a).
- a tire laminate is provided. According to the present invention, there is further provided an inner liner material for a pneumatic tire comprising the above laminate. According to the present invention, there is further provided a pneumatic tire including the inner liner material for a pneumatic tire comprising the above laminate.
- the present invention includes the following aspects [1] to [6].
- a laminate for a tire comprising a thermoplastic resin composition film and a rubber composition layer laminated on the film, wherein the rubber composition comprises: (A) at least one rubber component; (B) The following formula (1):
- R 1 , R 2 , R 3 , R 4 and R 5 are independently hydrogen, a hydroxyl group, an alkyl group having 1 to 8 carbon atoms, —O—R 6 (where R 6 is An alkyl group having 1 to 8 carbon atoms), and —R 7 —O—R 8 (wherein R 7 is an alkylene group having 1 to 7 carbon atoms, and R 8 is an alkyl group having 1 to 7 carbon atoms).
- the condensate (b) is present in an amount of 0.5 to 20 parts by weight relative to 100 parts by weight of the total amount of the at least one rubber component (a);
- At least one methylene donor (c) is present in an amount of 0.25 to 200 parts by weight relative to 100 parts by weight of the total amount of the at least one rubber component (a);
- the mass ratio of at least one methylene donor (c) to the condensate (b) is from 0.5: 1 to 10: 1;
- the nitrile rubber in which at least one rubber component (a) contains a carboxyl group in at least one of the side chain and the terminal is 4 to 40 masses based on the total amount of at least one rubber component (a).
- thermoplastic resin composition is polyvinyl alcohol, ethylene-vinyl alcohol copolymer, nylon 6, nylon 66, nylon 11, nylon 12, nylon 610, nylon 612, nylon 6/66, nylon MXD6, and nylon 6T.
- thermoplastic resin composition includes at least one thermoplastic resin and at least one elastomer dispersed in the thermoplastic resin, and the at least one thermoplastic resin is polyvinyl alcohol, ethylene -Vinyl alcohol copolymer, nylon 6, nylon 66, nylon 11, nylon 12, nylon 610, nylon 612, nylon 6/66, nylon MXD6 and nylon 6T, wherein at least one elastomer is bromine Isobutylene-p-methylstyrene copolymer, maleic anhydride modified ethylene- ⁇ -olefin copolymer, ethylene-glycidyl methacrylate copolymer and maleic anhydride modified ethylene-ethyl acrylate copolymer,
- the laminated body as described in any one.
- An inner liner material for a pneumatic tire comprising the laminate according to any one of the above aspects [1] to [4].
- a pneumatic tire including an inner liner material for a pneumatic tire comprising the laminate according to any one of the above aspects [1] to [4].
- the rubber composition laminated on the film of the thermoplastic resin composition contains a specific amount of nitrile rubber containing a carboxyl group in at least one of a side chain and a terminal as a rubber component.
- the adhesive strength between the thermoplastic resin composition film and the rubber composition layer can be further improved.
- the rubber composition containing a specific amount of a nitrile rubber containing a carboxyl group in at least one of the side chain and the terminal as a rubber component, a film of the thermoplastic resin composition is obtained. It can be firmly bonded to other rubber members constituting the tire.
- thermoplastic resin examples include polyamide resins, polyester resins, polynitrile resins, and polymethacrylate resins. , Polyvinyl resins, cellulose resins, fluorine resins, imide resins, polystyrene resins, polyolefin resins, and the like.
- the thermoplastic resin composition can include at least one thermoplastic resin.
- polyamide resins examples include nylon 6 (N6), nylon 66 (N66), nylon 46 (N46), nylon 11 (N11), nylon 12 (N12), nylon 610 (N610), nylon 612 (N612), Nylon 6/66 (N6 / 66), Nylon 6/66/12 (N6 / 66/12), Nylon 6/66/610 (N6 / 66/610), Nylon MXD6 (MXD6), Nylon 6T, Nylon 6 / 6T, nylon 9T, nylon 66 / PP copolymer, nylon 66 / PPS copolymer, and the like.
- polyester resins include polybutylene terephthalate (PBT), polyethylene terephthalate (PET), polyethylene isophthalate (PEI), PET / PEI copolymer, polyarylate (PAR), polybutylene naphthalate (PBN), liquid crystal
- PBT polybutylene terephthalate
- PET polyethylene terephthalate
- PEI polyethylene isophthalate
- PET / PEI copolymer PET / PEI copolymer
- PAR polyarylate
- PBN polybutylene naphthalate
- liquid crystal examples include aromatic polyesters such as polyester and polyoxyalkylene diimidic acid / polybutyrate terephthalate copolymer.
- polynitrile resins examples include polyacrylonitrile (PAN), polymethacrylonitrile, acrylonitrile / styrene copolymer (AS), methacrylonitrile / styrene copolymer, methacrylonitrile / styrene / butadiene copolymer, and the like. Can be mentioned.
- polymethacrylate-based resin examples include polymethyl methacrylate (PMMA), polyethyl methacrylate, and the like.
- polyvinyl resins examples include polyvinyl acetate (PVAc), polyvinyl alcohol (PVA), ethylene-vinyl alcohol copolymer (EVOH), polyvinylidene chloride (PVDC), polyvinyl chloride (PVC), and vinyl chloride / chloride. Examples thereof include vinylidene copolymers and vinylidene chloride / methyl acrylate copolymers.
- the cellulose resin include cellulose acetate and cellulose acetate butyrate.
- fluororesin examples include polyvinylidene fluoride (PVDF), polyvinyl fluoride (PVF), polychlorofluoroethylene (PCTFE), tetrafluoroethylene / ethylene copolymer (ETFE), and the like.
- imide resins include aromatic polyimide (PI).
- examples of the polystyrene-based resin include polystyrene (PS).
- examples of the polyolefin resin include polyethylene (PE) and polypropylene (PP).
- the thermoplastic resin composition may further contain one or more types of elastomers.
- the thermoplastic resin composition further contains one or more kinds of elastomers
- the thermoplastic resin composition exists in a state where one or more kinds of elastomers are dispersed in one or more kinds of thermoplastic resins.
- the thermoplastic elastomer composition In the form of a thermoplastic elastomer composition, the thermoplastic resin constitutes a matrix phase (or continuous phase), and the elastomer constitutes a dispersed phase.
- diene rubbers and hydrogenated products thereof include natural rubber (NR), isoprene rubber (IR), epoxidized natural rubber, styrene butadiene rubber (SBR), butadiene rubber (BR) (high cis BR and low cis BR). ), Acrylonitrile butadiene rubber (NBR), hydrogenated NBR, hydrogenated SBR, and the like.
- olefin rubbers examples include ethylene propylene rubber (EPM), ethylene propylene diene rubber (EPDM), maleic acid modified ethylene propylene rubber (M-EPM), maleic anhydride modified ethylene- ⁇ -olefin copolymer, ethylene- Glycidyl methacrylate copolymer, maleic anhydride modified ethylene-ethyl acrylate copolymer (modified EEA), butyl rubber (IIR), isobutylene and aromatic vinyl or diene monomer copolymer, acrylic rubber (ACM), ionomer, etc. It is done.
- EPM ethylene propylene rubber
- EPDM ethylene propylene diene rubber
- M-EPM maleic acid modified ethylene propylene rubber
- M-EPM maleic anhydride modified ethylene- ⁇ -olefin copolymer
- ethylene- Glycidyl methacrylate copolymer maleic anhydride modified ethylene-ethyl acryl
- halogen-containing rubber examples include halogenated butyl rubber such as brominated butyl rubber (Br-IIR) and chlorinated butyl rubber (Cl-IIR), brominated isobutylene-p-methylstyrene copolymer (BIMS), and halogenated isobutylene- Examples include isoprene copolymer rubber, chloroprene rubber (CR), hydrin rubber (CHR), chlorosulfonated polyethylene (CSM), chlorinated polyethylene (CM), and maleic acid-modified chlorinated polyethylene (M-CM).
- silicone rubber examples include methyl vinyl silicone rubber, dimethyl silicone rubber, methyl phenyl vinyl silicone rubber and the like.
- sulfur-containing rubber examples include polysulfide rubber.
- fluororubber examples include vinylidene fluoride rubber, fluorine-containing vinyl ether rubber, tetrafluoroethylene-propylene rubber, fluorine-containing silicone rubber, and fluorine-containing phosphazene rubber.
- brominated isobutylene-p-methylstyrene copolymer, maleic anhydride modified ethylene- ⁇ -olefin copolymer, ethylene-glycidyl methacrylate copolymer and maleic anhydride modified ethylene-ethyl acrylate copolymer are It is preferable from the viewpoint of blocking properties.
- the combination of the elastomer and the thermoplastic resin that can constitute the thermoplastic resin composition in the laminate of the present invention is not limited, but a halogenated butyl rubber and a polyamide-based resin, brominated isobutylene-p-methylstyrene Copolymer rubber and polyamide resin, butadiene rubber and polystyrene resin, isoprene rubber and polystyrene resin, hydrogenated butadiene rubber and polystyrene resin, ethylene propylene rubber and polyolefin resin, ethylene propylene diene rubber and polyolefin resin, amorphous Examples include butadiene rubber and syndiotactic poly (1,2-polybutadiene), amorphous isoprene rubber and transpoly (1,4-isoprene), fluororubber and fluororesin, but butyl rubber and polyamide with excellent air barrier properties.
- a combination of fats is preferable.
- a combination of a brominated isobutylene-p-methylstyrene copolymer rubber, which is a modified butyl rubber, and nylon 6/66 or nylon 6 or a blend resin of nylon 6/66 and nylon 6 is used for fatigue resistance.
- a combination of a brominated isobutylene-p-methylstyrene copolymer rubber, which is a modified butyl rubber and nylon 6/66 or nylon 6 or a blend resin of nylon 6/66 and nylon 6 is used for fatigue resistance.
- nylon 6/66 or nylon 6 or a blend resin of nylon 6/66 and nylon 6 is particularly preferable in terms of both compatibility and air barrier properties.
- thermoplastic elastomer composition is obtained by melt-kneading at least one thermoplastic resin and at least one elastomer with, for example, a biaxial kneading extruder or the like, and dispersing the elastomer in a thermoplastic resin forming a matrix phase. It can be manufactured by dispersing as.
- the mass ratio of the thermoplastic resin and the elastomer is not limited, but is preferably 10/90 to 90/10, and more preferably 15/85 to 90/10.
- the thermoplastic resin composition is, for example, a filler, a reinforcing agent, a processing aid, a stabilizer, in order to improve processability, dispersibility, heat resistance, antioxidant property, etc. within a range not impairing the effects of the present invention.
- a compounding agent generally blended in the resin composition, such as an antioxidant, may be included.
- the plasticizer is preferably not blended from the viewpoints of air barrier properties and heat resistance, but may be blended as long as the effects of the present invention are not impaired.
- the elastomer may contain other reinforcing agents (fillers) such as carbon black and silica, softeners, anti-aging agents, processing aids, etc., as long as the effects of the present invention are not impaired.
- the compounding agent generally blended in the rubber composition may be blended.
- the rubber composition constituting the layer of the rubber composition is (A) at least one rubber component; (B) The following formula (1):
- R 1 , R 2 , R 3 , R 4 and R 5 are independently hydrogen, a hydroxyl group, an alkyl group having 1 to 8 carbon atoms, —O—R 6 (where R 6 is An alkyl group having 1 to 8 carbon atoms), and —R 7 —O—R 8 (wherein R 7 is an alkylene group having 1 to 7 carbon atoms, and R 8 is an alkyl group having 1 to 7 carbon atoms).
- the condensate (b) is present in an amount of 0.5 to 20 parts by weight relative to 100 parts by weight of the total amount of at least one rubber component (a);
- At least one methylene donor (c) is present in an amount of 0.25 to 200 parts by weight relative to 100 parts by weight of the total amount of at least one rubber component (a);
- the mass ratio of at least one methylene donor (c) to the condensate (b) is from 0.5: 1 to 10: 1;
- At least one rubber component (a) is a nitrile rubber containing a carboxyl group in at least one of the side chain and terminal, and is based on a total amount of at least one rubber component (a) of 100 parts by mass. Containing in an amount of up to 40 parts by weight,
- Examples of at least one rubber component (a) include diene rubber and hydrogenated products thereof, olefin rubber, halogen-containing rubber, silicone rubber, sulfur-containing rubber, and fluorine rubber.
- diene rubbers and hydrogenated products thereof include natural rubber (NR), isoprene rubber (IR), epoxidized natural rubber, styrene butadiene rubber (SBR), butadiene rubber (BR) (high cis BR and low cis BR). ), Acrylonitrile butadiene rubber (NBR), hydrogenated NBR, hydrogenated SBR, and the like.
- olefin rubbers examples include ethylene propylene rubber (EPM), ethylene propylene diene rubber (EPDM), maleic acid modified ethylene propylene rubber (M-EPM), maleic anhydride modified ethylene- ⁇ -olefin copolymer, ethylene- Glycidyl methacrylate copolymer, maleic anhydride modified ethylene-ethyl acrylate copolymer (modified EEA), butyl rubber (IIR), isobutylene and aromatic vinyl or diene monomer copolymer, acrylic rubber (ACM), ionomer, etc. It is done.
- EPM ethylene propylene rubber
- EPDM ethylene propylene diene rubber
- M-EPM maleic acid modified ethylene propylene rubber
- M-EPM maleic anhydride modified ethylene- ⁇ -olefin copolymer
- ethylene- Glycidyl methacrylate copolymer maleic anhydride modified ethylene-ethyl acryl
- halogen-containing rubber examples include halogenated butyl rubber such as brominated butyl rubber (Br-IIR) and chlorinated butyl rubber (Cl-IIR), brominated isobutylene-p-methylstyrene copolymer (BIMS), and halogenated isobutylene- Examples include isoprene copolymer rubber, chloroprene rubber (CR), hydrin rubber (CHR), chlorosulfonated polyethylene (CSM), chlorinated polyethylene (CM), and maleic acid-modified chlorinated polyethylene (M-CM).
- silicone rubber examples include methyl vinyl silicone rubber, dimethyl silicone rubber, methyl phenyl vinyl silicone rubber and the like.
- sulfur-containing rubber examples include polysulfide rubber.
- fluororubber examples include vinylidene fluoride rubber, fluorine-containing vinyl ether rubber, tetrafluoroethylene-propylene rubber, fluorine-containing silicone rubber, and fluorine-containing phosphazene rubber.
- diene rubber, olefin rubber, and halogen-containing rubber are preferable from the viewpoint of co-crosslinking properties with adjacent rubber materials, and natural rubber, styrene butadiene rubber, butadiene rubber, brominated butyl rubber, ethylene-propylene are more preferable.
- -Diene rubber examples include polysulfide rubber.
- fluororubber examples include vinylidene fluoride rubber, fluorine-containing vinyl ether rubber, tetrafluoroethylene-propylene rubber, fluorine-containing silicone rubber, and fluorine-containing phosphazene rubber.
- the at least one rubber component (a) constituting the rubber composition is a nitrile rubber containing a carboxyl group in at least one of the side chain and the terminal, and at least one rubber component (a). 4 to 40 parts by mass based on 100 parts by mass of the total amount.
- the amount of the nitrile rubber containing a carboxyl group is less than the lower limit of the above range, the improvement in the adhesive strength or peel strength between the film of the thermoplastic resin composition and the rubber composition layer in the laminate is insufficient.
- scorching also called scorch
- a nitrile rubber containing a carboxyl group in at least one of the side chain and the terminal is produced, for example, by subjecting a nitrile group-containing highly saturated copolymer rubber to an ethylenically unsaturated dicarboxylic acid or an anhydride thereof. can do.
- the nitrile rubber containing a carboxyl group in at least one of the side chain and the terminal may be a commercially available product.
- Nipol registered trademark
- Nippon Zeon Co., Ltd. 1072 (carboxy modification rate 5 mass%).
- the rubber component other than the nitrile rubber containing a carboxyl group can be a diene rubber.
- the diene rubber include natural rubber (NR), isoprene rubber (IR), styrene butadiene rubber (SBR), butadiene rubber (BR), acrylonitrile butadiene rubber (NBR), ethylene propylene diene rubber (EPDM) and the like. It is done. Of these, natural rubber, styrene butadiene rubber, butadiene rubber, and mixtures thereof are preferred from the viewpoint of co-crosslinking properties with adjacent rubber materials.
- the proportion of the diene rubber in at least one rubber component constituting the rubber composition is preferably 50% by mass or more, more preferably 70% by mass or more, and all the rubber components are diene rubbers. More preferably.
- One preferred example of the compound represented by the formula (1) is that at least one of R 1 , R 2 , R 3 , R 4 and R 5 is an alkyl group having 1 to 8 carbon atoms, and the rest is hydrogen. It is what is.
- One preferred specific example of the compound represented by the formula (1) is cresol.
- Another preferred example of the compound represented by the formula (1) is that at least one of R 1 , R 2 , R 3 , R 4 and R 5 is a hydroxyl group, and the rest is hydrogen or 1 to 8 is an alkyl group.
- Another preferred specific example of the compound represented by the formula (1) is resorcin.
- Examples of the condensate of the compound represented by the formula (1) and formaldehyde include a cresol-formaldehyde condensate and a resorcin-formaldehyde condensate.
- these condensates may be modified as long as the effects of the present invention are not impaired.
- a modified resorcin-formaldehyde condensate modified with an epoxy compound can also be used in the present invention.
- These condensates are commercially available, and commercially available products can be used in the present invention.
- the condensate of the compound represented by formula (1) and formaldehyde is preferably a compound represented by formula (2) or formula (3).
- n is an integer of 1 to 20, preferably an integer of 1 to 10, more preferably an integer of 1 to 5.
- m is an integer of 1 to 20, preferably an integer of 1 to 10, more preferably an integer of 1 to 3.
- the compounding amount of the condensate of the compound represented by the formula (1) and formaldehyde (hereinafter also simply referred to as “condensate”) is 0.5 to 20 parts by mass with respect to 100 parts by mass of the rubber component, The amount is preferably 1 to 10 parts by mass. If the amount of the condensate is too small, the amount of heat and time required to obtain good adhesion will increase and the vulcanization efficiency will deteriorate. Conversely, if the amount is too large, the vulcanization elongation of the resulting rubber composition will be impaired. It becomes easy to break.
- methylene donor refers to a base compound that generates formaldehyde by heating or the like.
- hexamethylenetetramine pentamethylenetetramine, hexamethylenediamine, methylolmelamine, etherified methylolmelamine, modified etherified methylol Melamine, esterified methylol melamine, hexamethoxymethylol melamine, hexamethylol melamine, hexakis (ethoxymethyl) melamine, hexakis (methoxymethyl) melamine, N, N ′, N ′′ -trimethyl-N, N ′, N ′′- Trimethylolmelamine, N, N ′, N ′′ -trimethylolmelamine, N-methylolmelamine, N, N′-bis (methoxymethyl) melamine, N, N ′, N ′′ -tributyl-N, N ′, N ′′ -
- the total amount of at least one methylene donor is 0.25 to 200 parts by weight, preferably 0.5 to 80 parts by weight, more preferably 1 to 40 parts by weight, based on 100 parts by weight of the rubber component. is there. If the compounding amount of the methylene donor is too small, the donor is consumed in the resin reaction in the rubber composition system, the reaction in the interfacial reaction does not proceed, and the adhesion deteriorates. On the other hand, when the amount is too large, the reaction in the rubber composition system is promoted too much, or the cross-linking reaction in the resin system to be adhered is induced to deteriorate the adhesion.
- the mass ratio of the at least one methylene donor and the condensate is 0.5: 1 to 10: 1, preferably 1: 1 to 4: 1, and more preferably 1: 1 to 3: 1. If the ratio of the methylene donor to the condensate is too small, the donor is consumed in the resin reaction in the rubber composition system, and the reaction in the interfacial reaction does not proceed, resulting in poor adhesion. On the other hand, if it is too large, the reaction in the rubber composition system is promoted too much, or the cross-linking reaction in the resin system to be deposited is induced to deteriorate the adhesion.
- vulcanizing agents include inorganic vulcanizing agents and organic vulcanizing agents.
- inorganic vulcanizing agents include sulfur, sulfur monochloride, selenium, tellurium, zinc oxide, magnesium oxide, lead monoxide, etc.
- organic vulcanizing agents include sulfur-containing organic compounds, dithiocarbamines. Examples include acid salts, oximes, tetrachloro-p-benzoquinone, dinitroso compounds, modified phenolic resins, polyamines, and organic peroxides.
- sulfur, organic peroxides such as 1,3-bis- (t-butylperoxyisopropyl) -benzene, modified phenol resins such as brominated alkylphenol-formaldehyde condensates, zinc oxide, sulfur-containing organic compounds Is preferred.
- vulcanization accelerator examples include aldehyde-ammonia, aldehyde-amine, thiourea, guanidine, thiazole, sulfenamide, thiuram, dithiocarbamate, xanthate, and preferably thiazole.
- System sulfenamide system, thiuram system.
- Thiazole vulcanization accelerators are compounds having a thiazole structure, such as di-2-benzothiazolyl disulfide, mercaptobenzothiazole, benzothiazyl disulfide, mercaptobenzothiazole zinc salt, (dinitrophenyl) mercaptobenzo Examples include thiazole and (N, N-diethylthiocarbamoylthio) benzothiazole, among which di-2-benzothiazolyl disulfide is preferable.
- the sulfenamide vulcanization accelerator is a compound having a sulfenamide structure, for example, N-cyclohexylbenzothiazole sulfenamide, Nt-butylbenzothiazole sulfenamide, N-oxydiethylenebenzothiazole sulfene.
- Examples include amide, N, N-dicyclohexylbenzothiazole sulfenamide, (morpholinodithio) benzothiazole, and among them, Nt-butyl-2-benzothiazole sulfenamide is preferable.
- the thiuram vulcanization accelerator is a compound having a thiuram structure.
- tetrakis (2-ethylhexyl) thiuram disulfide tetramethylthiuram disulfide, tetramethylthiuram monosulfide, tetraethylthiuram disulfide, tetrabutylthiuram disulfide, dipentamethylene
- thiuram hexasulfide among which tetrakis (2-ethylhexyl) thiuram disulfide is preferable.
- the laminate of the present invention can be produced by laminating a rubber composition on a film of a thermoplastic resin composition. Although it does not limit, more specifically, it can manufacture as follows. First, a thermoplastic resin composition is formed into a film shape with a molding apparatus such as an inflation molding apparatus or a T-die extruder to produce a thermoplastic resin composition film. Next, the rubber composition is extruded on the film with a T-die extruder or the like and laminated at the same time to produce a laminate.
- a molding apparatus such as an inflation molding apparatus or a T-die extruder
- a pneumatic tire can be manufactured by a conventional method using the laminate of the present invention.
- the laminate of the present invention is placed on a tire molding drum as an inner liner material so that the film side of the thermoplastic resin composition faces the tire molding drum, and a carcass made of unvulcanized rubber is placed thereon.
- Layers, belt layers, tread layers and other members used in normal tire production are sequentially laminated, and after molding, the drum is removed to form a green tire, and then this green tire is heated and vulcanized according to a conventional method, A pneumatic tire can be manufactured.
- Raw material for film A BIMS: Brominated isobutylene-p-methylstyrene copolymer (Exxpro (registered trademark) 3035 manufactured by ExxonMobil Chemical) Zinc oxide: Zinc Hana No. 3 manufactured by Shodo Chemical Industry Co., Ltd. Stearic acid: Industrial stearate manufactured by Chiba Fatty Acid Co., Ltd.
- Zinc stearate Zinc stearate manufactured by NOF Corporation
- Thermoplastic resin Nylon 6 / 66 (UBE Nylon (registered trademark) 5033B manufactured by Ube Industries)
- Modified EEA Maleic anhydride modified ethylene-ethyl acrylate copolymer (Rilsan BESNOTL manufactured by Alcare)
- Plasticizer BM-4 manufactured by Daihachi Chemical Industry Co., Ltd.
- Aroma oil Desolex 3 manufactured by Showa Shell Sekiyu Co., Ltd.
- Zinc oxide Zinc Hana 3 manufactured by Shodo Chemical Industry Co., Ltd. : Sumikanol 620 manufactured by Taoka Chemical Co., Ltd.
- Methylene donor Modified etherified methylol melamine resin (Sumikanol 507AP manufactured by Taoka Chemical Co., Ltd.)
- Sulfur 5% oil-extended sulfur produced by Karuizawa Smelter Co., Ltd.
- Vulcanization accelerator Di-2-benzothiazolyl sulphide (Noxeller DM, manufactured by Ouchi Shinsei Chemical Co., Ltd.)
- the laminate of the present invention is useful as an inner liner material for a pneumatic tire, and can be suitably used for manufacturing a pneumatic tire.
- the pneumatic tire including the inner liner material for a pneumatic tire made of the laminate of the present invention can be suitably used as an automobile tire.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Tires In General (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
(a)少なくとも1種のゴム成分、
(b)下記式(1):
で表される化合物とホルムアルデヒドとの縮合物、
(c)少なくとも1種のメチレンドナー、及び
(d)加硫剤、
を含み、
縮合物(b)が少なくとも1種のゴム成分(a)の合計量100質量部に対して0.5~20質量部の量で存在し、
少なくとも1種のメチレンドナー(c)が少なくとも1種のゴム成分(a)の合計量100質量部に対して0.25~200質量部の量で存在し、
少なくとも1種のメチレンドナー(c)と縮合物(b)の質量比が0.5:1~10:1であり、
少なくとも1種のゴム成分(a)が、側鎖及び末端のうちの少なくとも1つの部位にカルボキシル基を含むニトリルゴムを、少なくとも1種のゴム成分(a)の合計量を基準として4~40質量部の量で含むこと、
を特徴とするタイヤ用積層体が提供される。
本発明によれば、さらに、上記の積層体から成る空気入りタイヤ用インナーライナー材が提供される。
本発明によれば、さらに、上記の積層体から成る空気入りタイヤ用インナーライナー材を含む空気入りタイヤが提供される。
[1]熱可塑性樹脂組成物のフィルムと当該フィルムに積層されたゴム組成物の層とを含むタイヤ用積層体であって、前記ゴム組成物が、
(a)少なくとも1種のゴム成分、
(b)下記式(1):
で表される化合物とホルムアルデヒドとの縮合物、
(c)少なくとも1種のメチレンドナー、及び
(d)加硫剤、
を含み、
縮合物(b)が前記少なくとも1種のゴム成分(a)の合計量100質量部に対して0.5~20質量部の量で存在し、
少なくとも1種のメチレンドナー(c)が前記少なくとも1種のゴム成分(a)の合計量100質量部に対して0.25~200質量部の量で存在し、
少なくとも1種のメチレンドナー(c)と縮合物(b)の質量比が0.5:1~10:1であり、
少なくとも1種のゴム成分(a)が、側鎖及び末端のうちの少なくとも1つの部位にカルボキシル基を含むニトリルゴムを、少なくとも1種のゴム成分(a)の合計量を基準として4~40質量部の量で含むこと、
を特徴とするタイヤ用積層体。
[2]熱可塑性樹脂組成物が、ポリビニルアルコール、エチレン-ビニルアルコール共重合体、ナイロン6、ナイロン66、ナイロン11、ナイロン12、ナイロン610、ナイロン612、ナイロン6/66、ナイロンMXD6及びナイロン6Tからなる群から選ばれた少なくとも1種の熱可塑性樹脂を含むことを特徴とする、上記態様[1]に記載の積層体。
[3]熱可塑性樹脂組成物が、少なくとも1種の熱可塑性樹脂と当該熱可塑性樹脂中に分散された少なくとも1種のエラストマーとを含み、前記少なくとも1種の熱可塑性樹脂が、ポリビニルアルコール、エチレン-ビニルアルコール共重合体、ナイロン6、ナイロン66、ナイロン11、ナイロン12、ナイロン610、ナイロン612、ナイロン6/66、ナイロンMXD6及びナイロン6Tからなる群から選ばれ、少なくとも1種のエラストマーが、臭素化イソブチレン-p-メチルスチレン共重合体、無水マレイン酸変性エチレン-α-オレフィン共重合体、エチレン-グリシジルメタクリレート共重合体及び無水マレイン酸変性エチレン-エチルアクリレート共重合体からなる群から選ばれる、上記態様[1]に記載の積層体。
[4]少なくとも1種のメチレンドナーが、変性エーテル化メチロールメラミン、パラホルムアルデヒド、ヘキサメチレンテトラミン、ペンタメチレンテトラミン及びヘキサメトキシメチルメラミンからなる群から選ばれる、上記態様[1]~[3]のいずれか1つに記載の積層体。
[5]上記態様[1]~[4]のいずれか1つに記載の積層体から成る空気入りタイヤ用インナーライナー材。
[6]上記態様[1]~[4]のいずれか1つに記載の積層体から成る空気入りタイヤ用インナーライナー材を含む空気入りタイヤ。
(a)少なくとも1種のゴム成分、
(b)下記式(1):
で表される化合物とホルムアルデヒドとの縮合物、
(c)少なくとも1種のメチレンドナー、及び
(d)加硫剤、
を含み、
縮合物(b)が少なくとも1種のゴム成分(a)の合計量100質量部に対して0.5~20質量部の量で存在し、
少なくとも1種のメチレンドナー(c)が少なくとも1種のゴム成分(a)の合計量100質量部に対して0.25~200質量部の量で存在し、
少なくとも1種のメチレンドナー(c)と縮合物(b)の質量比が0.5:1~10:1であり、
少なくとも1種のゴム成分(a)が、側鎖及び末端のうちの少なくとも1つの部位にカルボキシル基を含むニトリルゴムを、少なくとも1種のゴム成分(a)の合計量100質量部を基準として4~40質量部の量で含むこと、
を特徴とする。
表1に示す配合比率で原料を配合して熱可塑性樹脂組成物を調製し、その熱可塑性樹脂組成物をインフレーション成形装置で成形し、厚さ0.2mmのフィルムを作製した。作製したフィルムをフィルムAという。
BIMS:臭素化イソブチレン-p-メチルスチレン共重合体(エクソンモービルケミカル社製のExxpro(登録商標)3035)
酸化亜鉛:正同化学工業(株)製の亜鉛華3号
ステアリン酸:千葉脂肪酸(株)製の工業用ステアリン酸
ステアリン酸亜鉛:日油(株)製のステアリン酸亜鉛
熱可塑性樹脂:ナイロン6/66(宇部興産(株)製のUBEナイロン(登録商標)5033B)
変性EEA:無水マレイン酸変性エチレン-エチルアクリレート共重合体(アルケア社製のリルサンBESNOTL)
可塑剤:大八化学工業(株)製のBM-4
下記の原料を表2に示す配合比率でバンバリーミキサーにより配合し、比較例1~5
及び実施例1~15のゴム組成物を調製した。
ゴム組成物の原料:
SBR:日本ゼオン(株)製のNipol(登録商標)1502
XNBR:日本ゼオン(株)製のNipol(登録商標)1072(カルボキシル基含有ニトリルゴム、カルボキシ変性率5質量%)
NR:SIR-20
カーボンブラック:東海カーボン(株)社製シーストV
ステアリン酸:千葉脂肪酸(株)製の工業用ステアリン酸
アロマオイル:昭和シェル石油(株)製のデソレックス3号
酸化亜鉛:正同化学工業(株)製の亜鉛華3号
変性レゾルシン・ホルムアルデヒド縮合物:田岡化学工業(株)製のスミカノール620
メチレンドナー:変性エーテル化メチロールメラミン樹脂(田岡化学工業(株)製のスミカノール507AP)
硫黄:(株)軽井沢精錬所製の5%油展処理硫黄
加硫促進剤:ジ-2-ベンゾチアゾリルスジルフィド(大内新興化学工業(株)製のノクセラーDM)
上記(1)で作製したフィルムAの上に、上記(2)で調製したゴム組成物を0.7mmの厚さで押出積層し積層体を作製した。
作製した積層体について、下記の「剥離強度試験」を行い評価した。評価結果を表2及び3に示す。
[剥離強度試験]
積層体の試料を、加硫後、幅25mmに切断し、その短冊状試験片の剥離強度をJIS-K6256に従い測定した。測定された剥離強度(N/25mm)を、比較例1の剥離強度を100として指数化した。
Claims (6)
- 熱可塑性樹脂組成物のフィルムと当該フィルムに積層されたゴム組成物の層とを含むタイヤ用積層体であって、前記ゴム組成物が、
(a)少なくとも1種のゴム成分、
(b)下記式(1):
(式中、R1、R2、R3、R4及びR5は、独立に、水素、ヒドロキシル基、炭素原子数1~8のアルキル基、-O-R6(式中、R6は炭素原子数1~8のアルキル基である)、及び-R7-O-R8(式中、R7は炭素原子数1~7のアルキレン基であり、R8は炭素原子数1~7のアルキル基であり、ただし、R7とR8の炭素原子数の合計が2~8であることを条件とする)から選ばれる)
で表される化合物とホルムアルデヒドとの縮合物、
(c)少なくとも1種のメチレンドナー、及び
(d)加硫剤、
を含み、
縮合物(b)が前記少なくとも1種のゴム成分(a)の合計量100質量部に対して0.5~20質量部の量で存在し、
少なくとも1種のメチレンドナー(c)が前記少なくとも1種のゴム成分(a)の合計量100質量部に対して0.25~200質量部の量で存在し、
少なくとも1種のメチレンドナー(c)と縮合物(b)の質量比が0.5:1~10:1であり、
少なくとも1種のゴム成分(a)が、側鎖及び末端のうちの少なくとも1つの部位にカルボキシル基を含むニトリルゴムを、少なくとも1種のゴム成分(a)の合計量100質量部を基準として4~40質量部の量で含むこと、
を特徴とするタイヤ用積層体。 - 熱可塑性樹脂組成物が、ポリビニルアルコール、エチレン-ビニルアルコール共重合体、ナイロン6、ナイロン66、ナイロン11、ナイロン12、ナイロン610、ナイロン612、ナイロン6/66、ナイロンMXD6及びナイロン6Tからなる群から選ばれた少なくとも1種の熱可塑性樹脂を含むことを特徴とする、請求項1に記載の積層体。
- 熱可塑性樹脂組成物が、少なくとも1種の熱可塑性樹脂と当該熱可塑性樹脂中に分散された少なくとも1種のエラストマーとを含み、前記少なくとも1種の熱可塑性樹脂が、ポリビニルアルコール、エチレン-ビニルアルコール共重合体、ナイロン6、ナイロン66、ナイロン11、ナイロン12、ナイロン610、ナイロン612、ナイロン6/66、ナイロンMXD6及びナイロン6Tからなる群から選ばれ、少なくとも1種のエラストマーが、臭素化イソブチレン-p-メチルスチレン共重合体、無水マレイン酸変性エチレン-α-オレフィン共重合体、エチレン-グリシジルメタクリレート共重合体及び無水マレイン酸変性エチレン-エチルアクリレート共重合体からなる群から選ばれる、請求項1に記載の積層体。
- 少なくとも1種のメチレンドナーが、変性エーテル化メチロールメラミン、パラホルムアルデヒド、ヘキサメチレンテトラミン、ペンタメチレンテトラミン及びヘキサメトキシメチルメラミンからなる群から選ばれる、請求項1~3のいずれか一項に記載の積層体。
- 請求項1~4のいずれか一項に記載の積層体から成る空気入りタイヤ用インナーライナー材。
- 請求項1~4のいずれか一項に記載の積層体から成る空気入りタイヤ用インナーライナー材を含む空気入りタイヤ。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112015004385.3T DE112015004385T5 (de) | 2014-09-25 | 2015-09-25 | Reifenlaminat, inneres Auskleidungsmaterial für Reifen und pneumatischer Reifen |
| JP2016550422A JPWO2016047791A1 (ja) | 2014-09-25 | 2015-09-25 | タイヤ用積層体、タイヤ用インナーライナー材及び空気入りタイヤ |
| CN201580051032.7A CN106715150B (zh) | 2014-09-25 | 2015-09-25 | 轮胎用叠层体、轮胎用内衬材料和充气轮胎 |
| US15/513,687 US10166815B2 (en) | 2014-09-25 | 2015-09-25 | Tire laminate, inner liner material for tire, and pneumatic tire |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-195674 | 2014-09-25 | ||
| JP2014195674 | 2014-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016047791A1 true WO2016047791A1 (ja) | 2016-03-31 |
Family
ID=55581306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2015/077213 Ceased WO2016047791A1 (ja) | 2014-09-25 | 2015-09-25 | タイヤ用積層体、タイヤ用インナーライナー材及び空気入りタイヤ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10166815B2 (ja) |
| JP (1) | JPWO2016047791A1 (ja) |
| CN (1) | CN106715150B (ja) |
| DE (1) | DE112015004385T5 (ja) |
| WO (1) | WO2016047791A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021195479A (ja) * | 2020-06-16 | 2021-12-27 | 横浜ゴム株式会社 | ゴム組成物、積層体、及び、マリンホース |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6604065B2 (ja) * | 2015-07-17 | 2019-11-13 | 横浜ゴム株式会社 | 熱可塑性樹脂フィルムとゴムの積層体、インナーライナー材および空気入りタイヤ |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010269481A (ja) * | 2009-05-20 | 2010-12-02 | Yokohama Rubber Co Ltd:The | 熱可塑性樹脂組成物とゴム組成物の積層体 |
| JP2011038119A (ja) * | 2003-02-20 | 2011-02-24 | Lanxess Deutschland Gmbh | ゴム組成物、その製造方法並びにそれらから得られる加硫された複合材料 |
| WO2014097994A1 (ja) * | 2012-12-17 | 2014-06-26 | 横浜ゴム株式会社 | 積層体、タイヤ用インナーライナー及び空気入りタイヤ |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08269241A (ja) * | 1995-04-04 | 1996-10-15 | Yokohama Rubber Co Ltd:The | ゴム組成物 |
| JP4858654B1 (ja) | 2010-06-08 | 2012-01-18 | 横浜ゴム株式会社 | 空気入りタイヤおよび積層体 |
| CN102660211B (zh) * | 2012-05-29 | 2013-10-16 | 四川力通复合材料科技有限公司 | 芳纶纸蜂窝用改性环氧粘结剂 |
-
2015
- 2015-09-25 DE DE112015004385.3T patent/DE112015004385T5/de not_active Withdrawn
- 2015-09-25 CN CN201580051032.7A patent/CN106715150B/zh not_active Expired - Fee Related
- 2015-09-25 WO PCT/JP2015/077213 patent/WO2016047791A1/ja not_active Ceased
- 2015-09-25 US US15/513,687 patent/US10166815B2/en not_active Expired - Fee Related
- 2015-09-25 JP JP2016550422A patent/JPWO2016047791A1/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011038119A (ja) * | 2003-02-20 | 2011-02-24 | Lanxess Deutschland Gmbh | ゴム組成物、その製造方法並びにそれらから得られる加硫された複合材料 |
| JP2010269481A (ja) * | 2009-05-20 | 2010-12-02 | Yokohama Rubber Co Ltd:The | 熱可塑性樹脂組成物とゴム組成物の積層体 |
| WO2014097994A1 (ja) * | 2012-12-17 | 2014-06-26 | 横浜ゴム株式会社 | 積層体、タイヤ用インナーライナー及び空気入りタイヤ |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021195479A (ja) * | 2020-06-16 | 2021-12-27 | 横浜ゴム株式会社 | ゴム組成物、積層体、及び、マリンホース |
| JP7557124B2 (ja) | 2020-06-16 | 2024-09-27 | 横浜ゴム株式会社 | ゴム組成物、積層体、及び、マリンホース |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106715150A (zh) | 2017-05-24 |
| US10166815B2 (en) | 2019-01-01 |
| US20170282646A1 (en) | 2017-10-05 |
| CN106715150B (zh) | 2019-05-31 |
| DE112015004385T5 (de) | 2017-06-08 |
| JPWO2016047791A1 (ja) | 2017-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4858654B1 (ja) | 空気入りタイヤおよび積層体 | |
| JP6292118B2 (ja) | 積層体、タイヤ用インナーライナー及び空気入りタイヤ | |
| JP6561518B2 (ja) | タイヤ用積層体、タイヤ用インナーライナー材及び空気入りタイヤ | |
| JP6701620B2 (ja) | タイヤ用積層体、タイヤ用インナーライナー材及び空気入りタイヤ | |
| JP6743700B2 (ja) | タイヤ用積層体、タイヤ用インナーライナー材及び空気入りタイヤ | |
| US11077710B2 (en) | Laminate of thermoplastic resin film and rubber, inner liner material, and pneumatic tire | |
| JP6604065B2 (ja) | 熱可塑性樹脂フィルムとゴムの積層体、インナーライナー材および空気入りタイヤ | |
| US10166815B2 (en) | Tire laminate, inner liner material for tire, and pneumatic tire | |
| JP5779874B2 (ja) | 空気入りタイヤ修理用ゴム組成物および修理方法 | |
| JP5958585B2 (ja) | ポリアミド系樹脂フィルムとゴムの積層体およびタイヤ | |
| JP2019171814A (ja) | 積層体、空気入りタイヤ用インナーライナー材、および空気入りタイヤの製造方法 | |
| JP7035565B2 (ja) | 積層シート、インナーライナー材および空気入りタイヤ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15843883 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2016550422 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 15513687 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 112015004385 Country of ref document: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 15843883 Country of ref document: EP Kind code of ref document: A1 |