WO2016047602A1 - アミノトリアジン誘導体及びカルボン酸アミドを含むポリエステル樹脂組成物 - Google Patents
アミノトリアジン誘導体及びカルボン酸アミドを含むポリエステル樹脂組成物 Download PDFInfo
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- WO2016047602A1 WO2016047602A1 PCT/JP2015/076704 JP2015076704W WO2016047602A1 WO 2016047602 A1 WO2016047602 A1 WO 2016047602A1 JP 2015076704 W JP2015076704 W JP 2015076704W WO 2016047602 A1 WO2016047602 A1 WO 2016047602A1
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- polyester resin
- acid amide
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- 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
- C08K5/20—Carboxylic acid amides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/16—Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
Definitions
- the present invention relates to a polyester resin composition, and more particularly to a polyester resin composition containing an aminotriazine derivative and a carboxylic acid amide.
- Polyester resins are widely used industrially as fibers and films because they are excellent in heat resistance, chemical resistance, mechanical properties, electrical properties, etc., and are excellent in cost / performance.
- polylactic acid resin for example, has a high melting point of 160 to 180 ° C. and is excellent in transparency. Therefore, packaging materials such as containers and films, textile materials such as clothing, floor mats, automobile interior materials, and electrical / electronic products. It is expected as a molding material for housings and parts.
- polyester resins including polylactic acid resins
- the crystallization speed is generally very slow.
- the glass transition temperature tends to be low, and the glass transition temperature around 60 ° C. tends to be softened.
- an attempt has been made to increase the mold temperature at the time of injection molding and to increase the cooling time in the mold.
- attempts have been made to increase the crystallization speed and the degree of crystallization, and improve the molding processability and heat resistance.
- a method of adding a crystal nucleating agent is known as a method for improving the crystallization speed of a polyester resin.
- the crystal nucleating agent serves as a primary crystal nucleus of the crystalline polymer, promotes crystal growth, refines the crystal size, and increases the crystallization speed.
- metal salts of organic acids such as potassium benzoate and magnesium stearate
- inorganic compounds such as talc, silica and calcium sulfate have been proposed.
- Patent Document 1 inorganic particles composed of talc or boron nitride having a specific particle size or less
- Patent Document 2 amide compounds represented by a specific formula
- Patent Document 4 a sorbitol derivative represented by a specific formula
- Patent Document 5 a phosphate metal salt represented by a specific formula
- Patent Document 6 a specific phosphonic acid compound metal salt, specifically zinc phenylphosphonate, exhibits excellent performance
- JP-A-8-3432 Japanese Patent Laid-Open No. 10-87975 JP 2011-6654 A JP-A-10-158369 JP 2003-192883 A International Publication No. 2005/097894
- the present invention relates to a polyester resin containing a crystal nucleating agent, which can produce a polyester resin molded article that promotes crystallization of a polyester resin and maintains high transparency after crystallization with high productivity and can be used in a wide range of applications.
- An object is to provide a composition.
- the present inventors have found that the combined use of a specific 2-amino-1,3,5-triazine derivative and an aliphatic carboxylic acid amide results in a crystallization rate of the polyester resin.
- the present inventors have found that it is possible to realize a molded article having excellent transparency after crystallization, and completed the present invention.
- the present invention provides, as a first aspect, 100 parts by mass of a polyester resin, 0.01 to 10 parts by mass of a 2-amino-1,3,5-triazine derivative represented by the formula [1], and an aliphatic carboxylic acid amide.
- the present invention relates to a polyester resin composition containing 0.01 to 10 parts by mass.
- R 1 and R 2 are each independently —C ( ⁇ O) R 5 , —C ( ⁇ O) OR 6 , —C ( ⁇ O) NR 7 R 8 , or —SO 2 R 9
- R 3 and R 4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, —C ( ⁇ O) R 5 , —C ( ⁇ O) OR 6 , —C ( ⁇ O ) Represents NR 7 R 8 or —SO 2 R 9 , wherein R 5 , R 6 and R 9 are each independently an alkyl group having 1 to 20 carbon atoms or an alkyl group having 1 to 6 carbon atoms.
- R 7 and R 8 are each independently substituted with a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an alkyl group having 1 to 6 carbon atoms. Represents an optionally substituted phenyl group.
- the representative of R 3 and R 4 are hydrogen atom, to a polyester resin composition according to the first aspect.
- R 1 and R 2 are both —C ( ⁇ O) R 5 (R 5 is independently an alkyl group having 1 to 20 carbon atoms, or an alkyl group having 1 to 6 carbon atoms.
- the present invention relates to the polyester resin composition according to the first aspect or the second aspect.
- the present invention relates to the polyester resin composition according to the third aspect, wherein R 5 represents an alkyl group having 1 to 8 carbon atoms.
- the present invention relates to the polyester resin composition according to the fourth aspect, in which R 5 represents an ethyl group or a propyl group.
- the present invention relates to the polyester resin composition according to any one of the first aspect to the fifth aspect, wherein the aliphatic carboxylic amide is an aliphatic biscarboxylic amide.
- the aliphatic carboxylic acid amide is a group consisting of ethylene biscapric acid amide, ethylene bisoleic acid amide, ethylene bisstearic acid amide, and N, N′-ethylenebis (12-hydroxystearic acid amide). It is related with the polyester resin composition as described in a 6th viewpoint which is at least 1 type chosen from.
- the present invention relates to the polyester resin composition according to any one of the first aspect to the seventh aspect, in which the polyester resin is a polylactic acid resin.
- the polyester resin molded object which consists of a crystallized material of the polyester resin composition as described in any one of a 1st viewpoint thru
- the polyester resin composition of the present invention by using a specific 2-amino-1,3,5-triazine derivative and an aliphatic carboxylic acid amide as a crystal nucleating agent, the crystallization promoting effect of the polyester resin is promoted. As a result, a polyester resin composition excellent in heat resistance and molding processability can be provided.
- the polyester resin composition of the present invention can provide a resin composition that is remarkably superior in transparency after crystallization as compared with a resin composition containing a conventional crystal nucleating agent.
- FIG. 1 is a diagram showing a 1 H NMR spectrum of DPM obtained in Production Example 1.
- the polyester resin composition of the present invention comprises a polyester resin, a 2-amino-1,3,5-triazine derivative represented by the formula [1] (hereinafter also referred to as a derivative of the formula [1]), an aliphatic carboxyl A composition comprising an acid amide.
- the 2-amino-1,3,5-triazine derivative used in the polyester resin composition of the present invention has a structure represented by the following formula [1].
- This 2-amino-1,3,5-triazine derivative is preferably used as a crystal nucleating agent.
- R 1 and R 2 are each independently —C ( ⁇ O) R 5 , —C ( ⁇ O) OR 6 , —C ( ⁇ O) NR 7 R 8 , or —SO 2 R 9.
- R 3 and R 4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, —C ( ⁇ O) R 5 , —C ( ⁇ O) OR 6 , —C ( ⁇ O ) Represents NR 7 R 8 or —SO 2 R 9 .
- each R 5, R 6 and R 9 represents an alkyl group, or an alkyl phenyl group which may be substituted with a group having a carbon number of 1 to 6 carbon atoms 1 to 20,
- R 7 and R 8 each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or a phenyl group optionally substituted with an alkyl group having 1 to 6 carbon atoms.
- the alkyl group having 1 to 20 carbon atoms may be a linear, branched, or cyclic alkyl group.
- the linear alkyl group include methyl group, ethyl group, n-propyl group, n-butyl group, n-pentyl group, n-hexyl group, n-heptyl group, n-octyl group, n-nonyl group, n-decyl group, n-undecyl group, n-dodecyl group, n-tridecyl group, n-tetradecyl group, n-pentadecyl group, n-hexadecyl group, n-heptadecyl group, n-octadecyl group, n-nonadecyl group, Examples thereof include an n-eicosyl group.
- Examples of the branched alkyl group include an isopropyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group.
- Examples of the cyclic alkyl group include a group having a cyclopentyl ring and a cyclohexyl ring structure.
- Examples of the alkyl group having 1 to 6 carbon atoms include those having 1 to 6 carbon atoms among the linear, branched or cyclic alkyl groups mentioned above. .
- phenyl group optionally substituted with an alkyl group having 1 to 6 carbon atoms
- examples of the phenyl group optionally substituted with an alkyl group having 1 to 6 carbon atoms include phenyl group, p-tolyl group, 4-isopropylphenyl group, 4-butylphenyl group, mesityl group and the like. .
- R 3 and R 4 are preferably hydrogen atoms.
- R 1 and R 2 are preferably —C ( ⁇ O) R 5 (R 5 is as defined above). Among them, R 5 has 1 to 8 carbon atoms.
- An alkyl group is preferred, and R 5 is particularly preferably an ethyl group or a propyl group.
- N, N ′-(6-amino-1,3,5-triazine-2,4-diyl) dipropionamide represented by the formula [2] is particularly preferable.
- the polyester resin composition of the present invention may contain a 1,3,5-triazine derivative represented by the following formula [3] as long as the effects of the present invention are not impaired.
- R 1 to R 4 have the same meaning as defined in formula [1].
- R 10 represents —C ( ⁇ O) R 5 , —C ( ⁇ O) OR 6 , —C ( ⁇ O) NR 7 R 8 , or —SO 2 R 9
- R 11 represents a hydrogen atom, carbon It represents an alkyl group having 1 to 6 atoms, —C ( ⁇ O) R 5 , —C ( ⁇ O) OR 6 , —C ( ⁇ O) NR 7 R 8 , or —SO 2 R 9 .
- R 5 to R 9 have the same meaning as defined in formula [1].
- the production method of the 2-amino-1,3,5-triazine derivative represented by the formula [1] is not particularly limited.
- melamines and carboxylic acids or activated products thereof (acid halides, acid anhydrides)
- Product acid azide, active ester, etc.
- halogenated formic acid ester isocyanate
- sulfonic acid or its activated form sulfonic acid halide, sulfonic anhydride, etc.
- R 5 to R 7 and R 9 have the same meaning as described above, R 5 ′ represents R 5 , R 6 ′ represents R 6 , and R 7 ′ represents R 7 . , R 9 ′ represent the same meaning as R 9, and may be the same group or different groups.
- X is not particularly limited as long as it is a group capable of generating a desired bond (amide bond, sulfonamide bond), and examples thereof include a halogen atom such as a chlorine atom and a bromine atom.
- R 5 and R 5 ′ , R 6 and R 6 ′ , R 7 and R 7 ′ , and R 9 and R 9 ′ are different groups, one is reacted first and then the other is reacted. Alternatively, both may be reacted at the same time.
- the aliphatic carboxylic acid amide used in the present invention is not particularly limited as long as it is a derivative of an aliphatic carboxylic acid and / or an aliphatic amine having a bond usually called an amide bond.
- Examples of such aliphatic carboxylic acid amides include fatty acids such as lauric acid amide, palmitic acid amide, stearic acid amide, 12-hydroxystearic acid amide, ricinoleic acid amide, oleic acid amide, behenic acid amide, and erucic acid amide.
- polyester resin described later is a polylactic acid resin
- aliphatic biscarboxylic acid amide is preferable, and ethylene biscapric acid amide, ethylene bisoleic acid amide, ethylene bisstearic acid amide, N, N′— More preferred is ethylene bis (12-hydroxystearic acid amide).
- polyester resin examples include polyglycolic acid (PGA), polylactic acid (PLA), poly (3-hydroxybutyrate) (PHB), poly ((3-hydroxybutyrate) -co- (3 -Hydroxyvalerate)) (PHBV), poly ((3-hydroxybutyrate) -co- (3-hydroxyhexanoate)) (PHBH), poly ((3-hydroxybutyrate) -co- (4- Hydroxybutyrate)) (P3 / 4HB) and the like; polyethylene naphthalate (PEN), polyethylene succinate, polyethylene succinate / adipate, polyethylene terephthalate (PET), polybutylene adipate / terephthalate, Polybutylene naphthalate, polybutylene Shineto (PBS), polybutylene succinate / adipate, polybutylene succinate / carbonate, polycondensates of polybutylene terephthalate (PBT).
- PGA polyglycolic acid
- the polylactic acid resin may include a homopolymer or copolymer of polylactic acid.
- the arrangement pattern of the copolymer may be any of random copolymer, alternating copolymer, block copolymer, and graft copolymer. Further, it may be a blend polymer with another resin mainly composed of polylactic acid homopolymer or copolymer.
- the other resin include biodegradable resins other than the polylactic acid resin described later, general-purpose thermoplastic resins, and general-purpose thermoplastic engineering plastics.
- the polylactic acid is not particularly limited, and examples thereof include those obtained by ring-opening polymerization of lactide and those obtained by direct polycondensation of D-form, L-form, racemate, etc. of lactic acid. Examples include lactic acid (PLLA), poly-D-lactic acid (PDLA), and stereocomplexes thereof.
- the number average molecular weight of polylactic acid is generally about 10,000 to 500,000.
- a polylactic acid resin obtained by crosslinking with a crosslinking agent using heat, light, radiation, or the like can also be used.
- biodegradable resins other than the polylactic acid resin that can be used as the blend polymer include polyglycolic acid (PGA), poly (3-hydroxybutyrate) (PHB), poly ((3-hydroxybutyrate)- co- (3-hydroxyvalerate)) (PHBV), poly ((3-hydroxybutyrate) -co- (3-hydroxyhexanoate)) (PHBH), poly ((3-hydroxybutyrate) -co Polyhydroxyalkanoic acids (PHA) such as (4-hydroxybutyrate)) (P3 / 4HB); polybutylene succinate (PBS), polybutylene succinate / adipate, polybutylene succinate / carbonate, polybutylene adipate / Terephthalate, polyethylene succinate, polyethylene succinate / Polycondensates of diols and aliphatic dicarboxylic acids such as Jipeto; polycaprolactone, polyvinyl alcohol, modified starch; cellulose acetate; chitin,
- thermoplastic resins examples include polyethylene (PE), polyethylene copolymer, polypropylene (PP), polypropylene copolymer, polybutylene (PB), ethylene-vinyl acetate copolymer (EVA), Polyolefin resins such as ethylene-ethyl acrylate copolymer (EEA) and poly (4-methyl-1-pentene); polystyrene (PS), high impact polystyrene (HIPS), acrylonitrile-styrene copolymer (AS), Polystyrene resins such as acrylonitrile-butadiene-styrene copolymer (ABS); acrylic resins such as polymethyl methacrylate (PMMA); polyvinyl chloride resins; polyurethane resins; phenol resins; epoxy resins; amino resins; Etc., and the like.
- general-purpose engineering plastics include polyamide resins; polyimide resins; polyimide resins; polyimide resins; poly
- the polyester resin composition of the present invention comprises 0.01 to 10 parts by mass of the 2-amino-1,3,5-triazine derivative represented by the formula [1] with respect to 100 parts by mass of the polyester resin described above. Include in quantity. By making the addition amount 0.01 parts by mass or more, a sufficient crystallization rate can be obtained. Moreover, even if it exceeds 10 parts by mass, the crystallization rate does not increase further, so that it is economically advantageous to use it at 10 parts by mass or less.
- the derivative of the formula [1] is contained in an amount of 0.1 to 5 parts by mass, more preferably 0.1 to 2 parts by mass with respect to 100 parts by mass of the polyester resin.
- the 1,3,5-triazine derivative represented by the above-mentioned formula [3] is included in the polyester resin composition of the present invention, it is about 0.5 parts by mass or less with respect to 100 parts by mass of the polyester resin. It is preferable to include by a ratio.
- the polyester resin composition of the present invention contains the aliphatic carboxylic acid amide in an amount of 0.01 to 10 parts by mass with respect to 100 parts by mass of the polyester resin.
- the addition amount 0.01 parts by mass or more By making the addition amount 0.01 parts by mass or more, a sufficient crystallization rate can be obtained. Moreover, even if it exceeds 10 parts by mass, the crystallization rate does not increase further, so that it is economically advantageous to use it at 10 parts by mass or less.
- the aliphatic carboxylic acid amide is contained in an amount of 0.1 to 5 parts by mass, more preferably 0.1 to 2 parts by mass with respect to 100 parts by mass of the polyester resin.
- the blending method of the derivative of the formula [1] and the aliphatic carboxylic acid amide into the polyester resin is not particularly limited and can be performed by a known method.
- a polyester resin, a derivative of formula [1], an aliphatic carboxylic acid amide, and various additives described later may be mixed with various mixers and kneaded using a single screw or twin screw extruder. Kneading is usually performed at a temperature of about 150 to 220 ° C.
- generating the masterbatch which contains each component in high concentration, and adding this to a polyester resin is also possible.
- a derivative of the formula [1] and an aliphatic carboxylic acid amide can be added at the polymerization stage of the polyester resin.
- a well-known inorganic filler can also be used for the polyester resin composition of this invention.
- the inorganic filler include glass fiber, carbon fiber, talc, mica, silica, kaolin, clay, wollastonite, glass beads, glass flake, potassium titanate, calcium carbonate, magnesium sulfate, titanium oxide and the like.
- the shape of these inorganic fillers may be any of fiber, granule, plate, needle, sphere, and powder. These inorganic fillers can be used within 300 parts by mass with respect to 100 parts by mass of the polyester resin.
- a known flame retardant can also be used for the polyester resin composition of the present invention.
- the flame retardant include halogen flame retardants such as bromine and chlorine; antimony flame retardants such as antimony trioxide and antimony pentoxide; inorganic flame retardants such as aluminum hydroxide, magnesium hydroxide and silicone compounds.
- Phosphorus flame retardants such as red phosphorus, phosphate esters, ammonium polyphosphate, phosphazene, etc .; melamine, melam, melem, melon, melamine cyanurate, melamine phosphate, melamine pyrophosphate, melamine polyphosphate, melamine / melam polyphosphate
- Melamine flame retardants such as melem double salt, melamine alkylphosphonate, melamine phenylphosphonate, melamine sulfate and melam methanesulfonate; fluororesins such as polytetrafluoroethylene (PTFE). These flame retardants can be used within 200 parts by mass with respect to 100 parts by mass of the polyester resin.
- heat stabilizers In addition to the above components, heat stabilizers, light stabilizers, UV absorbers, antioxidants, impact modifiers, antistatic agents, pigments, colorants, release agents, lubricants, plasticizers, compatibilizers, foaming
- general synthetic resins such as agents, fragrances, antibacterial and antifungal agents, various coupling agents such as silane, titanium, and aluminum, other various fillers, and other crystal nucleating agents
- various additives can also be used in combination.
- the present invention is also directed to a polyester resin molded article made of a crystallized product of the polyester resin composition described above.
- the polyester resin composition of the present invention can easily produce various molded articles by applying a conventional molding method such as general injection molding, blow molding, vacuum molding, compression molding, extrusion molding or the like.
- the polyester resin molded article of the present invention comprises a crystal nucleating agent comprising the crystallized polyester resin, a 2-amino-1,3,5-triazine derivative represented by the formula [1], and an aliphatic carboxylic acid amide. Configured.
- the polyester resin molded body of the present invention can be obtained, for example, by using the polyester resin composition of the present invention and crystallizing the polyester resin contained therein.
- limiting in particular as a method to crystallize a polyester resin For example, in the process of shape
- the temperature at which the polyester resin is crystallized is usually appropriately selected from temperatures not lower than the glass transition temperature and lower than the melting point of the resin.
- the heating (annealing) temperature may be 60 to 170 ° C. Among these, 70 to 130 ° C is preferable, and 80 to 120 ° C is more preferable.
- the temperature By setting the temperature to 60 ° C. or higher, crystallization proceeds in a more practical time.
- it by setting it as 170 degrees C or less, more spherulites with a small crystal diameter exist, ie, it becomes a molded object excellent in transparency.
- the polyester resin molded article of the present invention has excellent transparency, heat resistance and mechanical strength because the spherulite diameter is small and uniform.
- Examples 1 to 3, Comparative Examples 1 to 4 As a crystal nucleating agent, 100 parts by mass of polylactic acid (PLA) resin [Ingeo Biopolymer 4032D manufactured by NatureWorks LLC] (in the table, “-” means not added). The DPM and ethylenebisstearic acid amide (EBS) [manufactured by Tokyo Chemical Industry Co., Ltd.] were added and melt kneaded at 185 ° C. and 50 rpm for 5 minutes to obtain a polylactic acid resin composition. This resin composition was sandwiched between two 180 mm ⁇ 120 mm ⁇ 2 mm thick brass plates together with a 130 ⁇ m thick polyimide film (spacer), and hot pressed at 200 ° C.
- PVA polylactic acid
- EBS ethylenebisstearic acid amide
- the resin composition in the form of a film is taken out from between the brass plates, sandwiched between two other brass plates (same size as the above-mentioned brass plate) at about room temperature (about 25 ° C.), and then rapidly cooled.
- An amorphous (amorphous) state polylactic acid resin film-like molded article containing a nucleating agent was obtained.
- the amorphous film-like molded body was cut into a 40 mm ⁇ 25 mm rectangle.
- This film-shaped molded body was annealed for 30 minutes on a 90 ° C. hot plate to obtain a crystallized polylactic acid resin film-shaped molded body (approximately 130 ⁇ m thick).
- Transparency was evaluated about the obtained crystallized film-like molded object.
- the evaluation was performed by measuring three different HAZE points of the film-like molded body and calculating the average value.
- the calculated measured value (average value) was normalized by the following formula
- equation using the film thickness of a film-form molded object. Normalized value measured value ⁇ 130 ⁇ film thickness [ ⁇ m] The results are also shown in Table 1. It represents that transparency is so high that HAZE is small.
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Abstract
Description
特に、従来提案されてきた結晶核剤を配合したポリエステル樹脂組成物は、結晶化させるとポリエステル樹脂の透明性が損なわれる事象が起こるため、結晶化後においても透明性の高い樹脂成形体の提供が望まれる。
本発明は、ポリエステル樹脂の結晶化を促進すると共に結晶化後も高い透明性を保てるポリエステル樹脂成形物を高い生産性で製造し且つ幅広い用途で利用することができる、結晶核剤含有のポリエステル樹脂組成物を提供することを目的とする。
(式中、R1及びR2はそれぞれ独立して、-C(=O)R5、-C(=O)OR6、-C(=O)NR7R8、又は-SO2R9を表し、R3及びR4はそれぞれ独立して、水素原子、炭素原子数1乃至6のアルキル基、-C(=O)R5、-C(=O)OR6、-C(=O)NR7R8、又は-SO2R9を表す。ここでR5、R6及びR9はそれぞれ独立して、炭素原子数1乃至20のアルキル基、又は炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基を表し、R7及びR8はそれぞれ独立して、水素原子、炭素原子数1乃至20のアルキル基、又は炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基を表す。)
第2観点として、前記R3及びR4が水素原子を表す、第1観点に記載のポリエステル樹脂組成物に関する。
第3観点として、前記R1及びR2がともに-C(=O)R5(R5はそれぞれ独立して、炭素原子数1乃至20のアルキル基、又は炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基を表す)を表す、第1観点又は第2観点に記載のポリエステル樹脂組成物に関する。
第4観点として、前記R5が炭素原子数1乃至8のアルキル基を表す、第3観点に記載のポリエステル樹脂組成物に関する。
第5観点として、前記R5が、エチル基又はプロピル基を表す、第4観点に記載のポリエステル樹脂組成物に関する。
第6観点として、前記脂肪族カルボン酸アミドが、脂肪族ビスカルボン酸アミドである、第1観点乃至第5観点のうち何れか一項に記載のポリエステル樹脂組成物に関する。
第7観点として、前記脂肪族カルボン酸アミドが、エチレンビスカプリン酸アミド、エチレンビスオレイン酸アミド、エチレンビスステアリン酸アミド、及びN,N’-エチレンビス(12-ヒドロキシステアリン酸アミド)からなる群から選ばれる少なくとも一種である、第6観点に記載のポリエステル樹脂組成物に関する。
第8観点として、前記ポリエステル樹脂がポリ乳酸樹脂である、第1観点乃至第7観点のうち何れか一項に記載のポリエステル樹脂組成物に関する。
第9観点として、第1観点乃至第8観点のうち何れか一項に記載のポリエステル樹脂組成物の結晶化物からなる、ポリエステル樹脂成形体に関する。
特に本発明のポリエステル樹脂組成物は、従来の結晶核剤を配合した樹脂組成物に比べて、結晶化後の透明性が飛躍的に優れる樹脂組成物を提供することができる。
本発明のポリエステル樹脂組成物は、ポリエステル樹脂と、式[1]で表される2-アミノ-1,3,5-トリアジン誘導体(以下、式[1]の誘導体とも称する)と、脂肪族カルボン酸アミドとを含む組成物である。
本発明のポリエステル樹脂組成物に用いられる2-アミノ-1,3,5-トリアジン誘導体は、下記式[1]で表される構造を有する。
この2-アミノ-1,3,5-トリアジン誘導体は、結晶核剤として好適に使用される。
上記式中、R1及びR2はそれぞれ独立して、-C(=O)R5、-C(=O)OR6、-C(=O)NR7R8、又は-SO2R9を表し、R3及びR4はそれぞれ独立して、水素原子、炭素原子数1乃至6のアルキル基、-C(=O)R5、-C(=O)OR6、-C(=O)NR7R8、又は-SO2R9を表す。
またR5、R6及びR9はそれぞれ独立して、炭素原子数1乃至20のアルキル基、又は炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基を表し、R7及びR8はそれぞれ独立して、水素原子、炭素原子数1乃至20のアルキル基、又は炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基を表す。
直鎖状のアルキル基としては、メチル基、エチル基、n-プロピル基、n-ブチル基、n-ペンチル基、n-ヘキシル基、n-ヘプチル基、n-オクチル基、n-ノニル基、n-デシル基、n-ウンデシル基、n-ドデシル基、n-トリデシル基、n-テトラデシル基、n-ペンタデシル基、n-ヘキサデシル基、n-ヘプタデシル基、n-オクタデシル基、n-ノナデシル基、n-エイコシル基等が挙げられる。
分岐鎖状のアルキル基としては、イソプロピル基、イソブチル基、sec-ブチル基、tert-ブチル基等が挙げられる
環状のアルキル基としては、シクロペンチル環、シクロヘキシル環構造を有する基等が挙げられる。
また、上記炭素原子数1乃至6のアルキル基としては、上述に挙げた直鎖状、分枝鎖状、或いは環状のアルキル基のうち、炭素原子数が1乃至6のものを挙げることができる。
また、上記炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基としては、フェニル基、p-トリル基、4-イソプロピルフェニル基、4-ブチルフェニル基、メシチル基等が挙げられる。
また、上記式[1]中、R1及びR2が-C(=O)R5(R5は前述と同義である)であることが好ましく、中でもR5が炭素原子数1乃至8のアルキル基であることが好ましく、特にR5がエチル基又はプロピル基であることが好ましい。
上記式中、R1~R4は式[1]で定義したものと同義である。
R10は、-C(=O)R5、-C(=O)OR6、-C(=O)NR7R8、又は-SO2R9を表し、R11は、水素原子、炭素原子数1乃至6のアルキル基、-C(=O)R5、-C(=O)OR6、-C(=O)NR7R8、又は-SO2R9を表す。なおR5~R9は式[1]で定義したものと同義である。
具体的には、例えば、式[4]~式[7]に示すスキームにて製造することができる。
本発明で用いられる脂肪族カルボン酸アミドとしては、通常アミド結合と呼ばれる結合を有する、脂肪族カルボン酸及び/又は脂肪族アミンの誘導体であれば、特に制限されない。
このような脂肪族カルボン酸アミドとしては、例えば、ラウリン酸アミド、パルミチン酸アミド、ステアリン酸アミド、12-ヒドロキシステアリン酸アミド、リシノール酸アミド、オレイン酸アミド、ベヘン酸アミド、エルカ酸アミド等の脂肪族モノカルボン酸アミド;N-ステアリルステアリン酸アミド、N-ステアリルオレイン酸アミド、N-ステアリルエルカ酸アミド、N-オレイルパルミチン酸アミド、N-オレイルステアリン酸アミド、N-オレイルオレイン酸アミド、メチロールステアリン酸アミド、メチロールベヘン酸アミド等のN-置換脂肪族モノカルボン酸アミド;メチレンビスステアリン酸アミド、エチレンビスカプリン酸アミド、エチレンビスラウリン酸アミド、エチレンビスステアリン酸アミド、エチレンビスイソステアリン酸アミド、エチレンビスオレイン酸アミド、エチレンビスベヘン酸アミド、エチレンビスエルカ酸アミド、N,N’-エチレンビス(12-ヒドロキシステアリン酸アミド)、テトラメチレンビスステアリン酸アミド、ヘキサメチレンビスステアリン酸アミド、N,N’-ヘキサメチレンビス(12-ヒドロキシステアリン酸アミド)、ヘキサメチレンビスオレイン酸アミド、m-キシリレンビスステアリン酸アミド、N,N’-(m-キシリレン)ビス(12-ヒドロキシステアリン酸アミド)等の脂肪族ビスカルボン酸アミド;N,N’-ジステアリルアジピン酸アミド、N,N’-ジステアリルセバシン酸アミド、N,N’-ジオレイルアジピン酸アミド、N,N’-ジオレイルセバシン酸アミド、N,N’-ジステアリルイソフタル酸アミド、N,N’-ジステアリルテレフタル酸アミド等のN-置換脂肪族カルボン酸ビスアミド類;N-ブチル-N’-ステアリル尿素、N-プロピル-N’-ステアリル尿素、N,N’-ビスステアリル尿素、N-フェニル-N’-ステアリル尿素、ヘキサメチレンビスステアリル尿素、キシリレンビスステアリル尿素、トルイレンビスステアリル尿素、ジフェニルメタンビスラウリル尿素、ジフェニルメタンビスステアリル尿素等のN-置換尿素などが挙げられる。
これらの中でも、例えば後述するポリエステル樹脂がポリ乳酸樹脂である場合には、脂肪族ビスカルボン酸アミドが好ましく、エチレンビスカプリン酸アミド、エチレンビスオレイン酸アミド、エチレンビスステアリン酸アミド、N,N’-エチレンビス(12-ヒドロキシステアリン酸アミド)がより好ましい。
これらの脂肪族カルボン酸アミドは、1種を単独で使用しても2種以上を併用してもよい。
本発明に用いられるポリエステル樹脂としては、例えばポリグリコール酸(PGA)、ポリ乳酸(PLA)、ポリ(3-ヒドロキシブチレート)(PHB)、ポリ((3-ヒドロキシブチレート)-co-(3-ヒドロキシバレレート))(PHBV)、ポリ((3-ヒドロキシブチレート)-co-(3-ヒドロキシヘキサノエート))(PHBH)、ポリ((3-ヒドロキシブチレート)-co-(4-ヒドロキシブチレート))(P3/4HB)等のポリヒドロキシアルカン酸(PHA)類;ポリエチレンナフタレート(PEN)、ポリエチレンサクシネート、ポリエチレンサクシネート/アジペート、ポリエチレンテレフタレート(PET)、ポリブチレンアジペート/テレフタレート、ポリブチレンナフタレート、ポリブチレンサクシネート(PBS)、ポリブチレンサクシネート/アジペート、ポリブチレンサクシネート/カーボネート、ポリブチレンテレフタレート(PBT)等のジオールとジカルボン酸との重縮合物;ポリカプロラクトンなどを挙げることができる。これらのポリエステル樹脂は、1種を単独で使用しても2種以上を併用してもよい。
中でも、ポリ乳酸樹脂であることが好ましい。
上記ポリ乳酸樹脂は、ポリ乳酸のホモポリマー又はコポリマーを含むことができる。ポリ乳酸樹脂がコポリマーの場合、コポリマーの配列様式はランダムコポリマー、交互コポリマー、ブロックコポリマー、グラフトコポリマーの何れであってもよい。
また、ポリ乳酸のホモポリマー又はコポリマーを主体とした、他樹脂とのブレンドポリマーであってもよい。他樹脂とは、後述するポリ乳酸樹脂以外の生分解性樹脂、汎用の熱可塑性樹脂、汎用の熱可塑性エンジニアリングプラスチックなどが挙げられる。
ポリ乳酸としては特に限定されるものではないが、例えばラクチドを開環重合させたものや、乳酸のD体、L体、ラセミ体などを直接重縮合させたものが挙げられ、ポリ-L-乳酸(PLLA)、ポリ-D-乳酸(PDLA)、これらのステレオコンプレックス体などが挙げられる。ポリ乳酸の数平均分子量は、一般に10,000から500,000程度である。またポリ乳酸樹脂を熱、光、放射線などを利用して架橋剤で架橋させたものも使用できる。
汎用のエンジニアリングプラスチックの例としては、ポリアミド樹脂;ポリイミド樹脂;ポリカーボネート樹脂;ポリフェニレンエーテル樹脂;変性ポリフェニレンエーテル樹脂;ポリエチレンテレフタレート(PET)、ポリブチレンテレフタレート(PBT)等のポリエステル樹脂;ポリアセタール樹脂;ポリスルホン樹脂;ポリフェニレンスルフィド樹脂などが挙げられる。
本発明のポリエステル樹脂組成物は、上述のポリエステル樹脂100質量部に対して、前記式[1]で表される2-アミノ-1,3,5-トリアジン誘導体を0.01~10質量部の量にて含む。添加量を0.01質量部以上とすることにより、十分な結晶化速度を得ることができる。また、10質量部を超えても、結晶化速度がさらに速くなるわけではないため、10質量部以下で使用することが経済的に有利となる。
好ましくは、上述のポリエステル樹脂100質量部に対して、前記式[1]の誘導体を0.1~5質量部の量にて、更に好ましくは0.1~2質量部の量にて含む。
なお、本発明のポリエステル樹脂組成物に上述の式[3]で表される1,3,5-トリアジン誘導体が含まれる場合、ポリエステル樹脂100質量部に対して、およそ0.5質量部以下の割合で含むことが好ましい。
好ましくは、上述のポリエステル樹脂100質量部に対して、前記脂肪族カルボン酸アミドを0.1~5質量部の量にて、更に好ましくは0.1~2質量部の量にて含む。
例えば、ポリエステル樹脂、式[1]の誘導体及び脂肪族カルボン酸アミド並びに後述する各種添加剤を、それぞれ各種ミキサーで混合し、単軸又は二軸押出機等を用いて混練すればよい。混練は、通常150~220℃程度の温度で行われる。また、各成分を高濃度で含有するマスターバッチを生成し、これをポリエステル樹脂に添加する方法も可能である。また、ポリエステル樹脂の重合段階で、式[1]の誘導体及び脂肪族カルボン酸アミドを添加することもできる。
本発明は、上述のポリエステル樹脂組成物の結晶化物からなるポリエステル樹脂成形体も対象とする。
本発明のポリエステル樹脂組成物は、一般の射出成形、ブロー成形、真空成形、圧縮成形、押出成形等の慣用の成形法を適用することによって、各種成形体を容易に製造することができる。
本発明のポリエステル樹脂成形体は、結晶化した前記ポリエステル樹脂、前記式[1]で表される2-アミノ-1,3,5-トリアジン誘導体及び脂肪族カルボン酸アミドからなる結晶核剤を含みて構成される。
なお、実施例において、試料の調製及び物性の分析に用いた装置及び条件は、以下の通りである。
(1)1H NMRスペクトル
装置:日本電子(株)製 JNM-ECX300
溶媒:DMSO-d6((CD3)2SO))
基準ピーク:DMSO-d6(2.49ppm)
(2)融点/昇華点測定、5%重量減少温度(Td5%)測定
装置:(株)リガク製 Thermo plus EVO II TG8120
測定条件:空気雰囲気下
昇温速度:10℃/分(30~500℃)
(3)溶融混練
装置:(株)東洋精機製作所製 ラボプラストミル マイクロ KF6V
(4)ホットプレス
装置:テスター産業(株)製 SA-302 卓上型テストプレス
(5)示差走査熱量測定(DSC)
装置:(株)パーキンエルマージャパン製 Diamond DSC
(6)HAZE測定
装置:日本電色工業(株)製 ヘーズメーター NDH 5000
(7)膜厚測定(マイクロメータ)
装置:(株)ミツトヨ製 クイック マイクロ(登録商標)MDQ-30M
撹拌機を備えた反応フラスコに、メラミン[日産化学工業(株)製]1.26g(10mmol)及びピリジン50gを仕込み、撹拌した。この中へ、無水プロピオン酸[関東化学(株)製]2.86g(22mmol)を加え、液温110℃で4時間加熱還流させた。この反応液を室温(およそ25℃)まで冷却した後、沈殿物をろ過し、メタノール50gで3回、アセトン50gで3回洗浄した。得られた湿品を80℃で8時間減圧乾燥することにより、目的とするDPMを白色粉末として1.64g得た(収率69%)。DPMの1H NMRスペクトルを図1に示す。
1H NMR(DMSO-d6):δ9.92(s,2H),7.14(s,2H),2.62(q,J=7.4Hz,4H),1.00(t,J=7.4Hz,6H)(ppm)
昇華点:272.6℃、Td5%:255.2℃
ポリ乳酸(PLA)樹脂[NatureWorks LLC製 Ingeo Biopolymer 4032D]100質量部に対し、結晶核剤として、表1に記載の量(表中、「-」の記載は添加しないことを意味する。)の前記DPM及びエチレンビスステアリン酸アミド(EBS)[東京化成工業(株)製]を加え、185℃、50rpmで5分間溶融混練することでポリ乳酸樹脂組成物を得た。
この樹脂組成物を、130μm厚のポリイミドフィルム(スペーサ)とともに、180mm×120mm×2mm厚の真鍮板2枚で挟み込み、200℃、25kgf/cm2で1分間ホットプレスした。ホットプレス後直ちに、フィルム状になった樹脂組成物を真鍮板の間から取り出し、室温(およそ25℃)程度の別の真鍮板(上記真鍮板と同サイズ)2枚で挟み込んで急冷することで、結晶核剤を含む非晶(アモルファス)状態のポリ乳酸樹脂フィルム状成形体を得た。
得られた結晶化フィルム状成形体について透明性を評価した。評価は、フィルム状成形体の異なる3点のHAZEを測定しその平均値を算出した。また、算出した測定値(平均値)を、フィルム状成形体の膜厚を用い以下の式により正規化した。
正規化値=測定値×130÷膜厚[μm]
結果を表1に併せて示す。HAZEが小さいほど透明性が高いことを表す。
一方、結晶核剤として何も含まない樹脂組成物(比較例1)は、半結晶化時間(t1/2)が1分以上と結晶化速度が遅く、また結晶化後の透明性に劣るとする結果を得た。また、脂肪族カルボン酸アミドを配合しなかった樹脂組成物(比較例2乃至4)についても、結晶化速度が遅く、同一結晶核剤量での結晶化後の透明性に劣るとする結果を得た。
Claims (9)
- ポリエステル樹脂100質量部、式[1]で表される2-アミノ-1,3,5-トリアジン誘導体0.01~10質量部、及び脂肪族カルボン酸アミド0.01~10質量部を含む、ポリエステル樹脂組成物。
(式中、R1及びR2はそれぞれ独立して、-C(=O)R5、-C(=O)OR6、-C(=O)NR7R8、又は-SO2R9を表し、R3及びR4はそれぞれ独立して、水素原子、炭素原子数1乃至6のアルキル基、-C(=O)R5、-C(=O)OR6、-C(=O)NR7R8、又は-SO2R9を表す。ここでR5、R6及びR9はそれぞれ独立して、炭素原子数1乃至20のアルキル基、又は炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基を表し、R7及びR8はそれぞれ独立して、水素原子、炭素原子数1乃至20のアルキル基、又は炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基を表す。) - 前記R3及びR4が水素原子を表す、請求項1に記載のポリエステル樹脂組成物。
- 前記R1及びR2がともに-C(=O)R5(R5はそれぞれ独立して、炭素原子数1乃至20のアルキル基、又は炭素原子数1乃至6のアルキル基で置換されていてもよいフェニル基を表す)を表す、請求項1又は請求項2に記載のポリエステル樹脂組成物。
- 前記R5が炭素原子数1乃至8のアルキル基を表す、請求項3に記載のポリエステル樹脂組成物。
- 前記R5が、エチル基又はプロピル基を表す、請求項4に記載のポリエステル樹脂組成物。
- 前記脂肪族カルボン酸アミドが、脂肪族ビスカルボン酸アミドである、請求項1乃至請求項5のうち何れか一項に記載のポリエステル樹脂組成物。
- 前記脂肪族カルボン酸アミドが、エチレンビスカプリン酸アミド、エチレンビスオレイン酸アミド、エチレンビスステアリン酸アミド、及びN,N’-エチレンビス(12-ヒドロキシステアリン酸アミド)からなる群から選ばれる少なくとも一種である、請求項6に記載のポリエステル樹脂組成物。
- 前記ポリエステル樹脂がポリ乳酸樹脂である、請求項1乃至請求項7のうち何れか一項に記載のポリエステル樹脂組成物。
- 請求項1乃至請求項8のうち何れか一項に記載のポリエステル樹脂組成物の結晶化物からなる、ポリエステル樹脂成形体。
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|---|---|
| JP (1) | JPWO2016047602A1 (ja) |
| KR (1) | KR20170054388A (ja) |
| CN (1) | CN107075232A (ja) |
| TW (1) | TW201619263A (ja) |
| WO (1) | WO2016047602A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023510933A (ja) * | 2020-01-16 | 2023-03-15 | フロレオン-トランスフォーミング パッケージング リミテッド | ポリ乳酸耐燃性ブレンド |
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| US3101335A (en) * | 1960-03-01 | 1963-08-20 | Pennsalt Chemicals Corp | Diureidotriazines and process for making |
| JPS5381562A (en) * | 1976-12-24 | 1978-07-19 | Toyobo Co Ltd | Flame-retardant polyamide composition |
| JPH072804A (ja) * | 1993-05-14 | 1995-01-06 | Cytec Technol Corp | アミノ−1,3,5−トリアジンと有機炭酸エステルとから1,3,5−トリアジンカルバメートの製造法 |
| JPH0920761A (ja) * | 1995-07-06 | 1997-01-21 | Nissan Chem Ind Ltd | トリアジン誘導体のアシル化方法 |
| WO2000027829A1 (en) * | 1998-11-10 | 2000-05-18 | Cytec Technology Corp. | Preparation of tris-substituted alkoxycarbonylamino-1,3,5-triazine compounds |
| JP2000273792A (ja) * | 1999-03-25 | 2000-10-03 | Nicca Chemical Co Ltd | 紙用不透明化剤、不透明度向上紙の製造方法及び不透明度向上紙 |
| JP2012067218A (ja) * | 2010-09-24 | 2012-04-05 | Fujifilm Corp | 高分子フィルム用湿度依存性改良剤、高分子フィルム、位相差フィルム、偏光板保護フィルム、偏光板及び液晶表示装置 |
| JP2013018912A (ja) * | 2011-07-13 | 2013-01-31 | Kao Corp | ポリ乳酸樹脂組成物 |
| WO2014148555A1 (ja) * | 2013-03-22 | 2014-09-25 | 日産化学工業株式会社 | アミノトリアジン誘導体を含むポリエステル樹脂組成物 |
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| BRPI0418339A (pt) * | 2003-12-30 | 2007-05-02 | Metabolix Inc | agentes de nucleação |
| DE102004026799B4 (de) * | 2004-06-02 | 2006-05-18 | Clariant Gmbh | Pressgranulierte Flammschutzmittelzusammensetzung, Verfahren zu deren Herstellung und deren Verwendung |
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2015
- 2015-09-18 JP JP2016550308A patent/JPWO2016047602A1/ja active Pending
- 2015-09-18 WO PCT/JP2015/076704 patent/WO2016047602A1/ja not_active Ceased
- 2015-09-18 CN CN201580050647.8A patent/CN107075232A/zh active Pending
- 2015-09-18 KR KR1020177005699A patent/KR20170054388A/ko not_active Withdrawn
- 2015-09-22 TW TW104131275A patent/TW201619263A/zh unknown
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| US3101335A (en) * | 1960-03-01 | 1963-08-20 | Pennsalt Chemicals Corp | Diureidotriazines and process for making |
| JPS5381562A (en) * | 1976-12-24 | 1978-07-19 | Toyobo Co Ltd | Flame-retardant polyamide composition |
| JPH072804A (ja) * | 1993-05-14 | 1995-01-06 | Cytec Technol Corp | アミノ−1,3,5−トリアジンと有機炭酸エステルとから1,3,5−トリアジンカルバメートの製造法 |
| JPH0920761A (ja) * | 1995-07-06 | 1997-01-21 | Nissan Chem Ind Ltd | トリアジン誘導体のアシル化方法 |
| WO2000027829A1 (en) * | 1998-11-10 | 2000-05-18 | Cytec Technology Corp. | Preparation of tris-substituted alkoxycarbonylamino-1,3,5-triazine compounds |
| JP2000273792A (ja) * | 1999-03-25 | 2000-10-03 | Nicca Chemical Co Ltd | 紙用不透明化剤、不透明度向上紙の製造方法及び不透明度向上紙 |
| JP2012067218A (ja) * | 2010-09-24 | 2012-04-05 | Fujifilm Corp | 高分子フィルム用湿度依存性改良剤、高分子フィルム、位相差フィルム、偏光板保護フィルム、偏光板及び液晶表示装置 |
| JP2013018912A (ja) * | 2011-07-13 | 2013-01-31 | Kao Corp | ポリ乳酸樹脂組成物 |
| WO2014148555A1 (ja) * | 2013-03-22 | 2014-09-25 | 日産化学工業株式会社 | アミノトリアジン誘導体を含むポリエステル樹脂組成物 |
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| HIDEHIKO KITAJIMA ET AL.: "Acylation of Melamine by Substituted Benzoyl Chlorides", JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY, vol. 30, no. 4, 1972, Japan, pages 379 - 385 * |
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| YOSHIBUMI OSHIMA ET AL.: "Studies on Melamine Derivatives Part II", JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY, vol. 15, no. 9, 1957, Japan, pages 471 - 473 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023510933A (ja) * | 2020-01-16 | 2023-03-15 | フロレオン-トランスフォーミング パッケージング リミテッド | ポリ乳酸耐燃性ブレンド |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170054388A (ko) | 2017-05-17 |
| JPWO2016047602A1 (ja) | 2017-07-06 |
| TW201619263A (zh) | 2016-06-01 |
| CN107075232A (zh) | 2017-08-18 |
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