WO2011062248A1 - Copolymère d'éthylène à teneur en époxy et composition de résine - Google Patents

Copolymère d'éthylène à teneur en époxy et composition de résine Download PDF

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Publication number
WO2011062248A1
WO2011062248A1 PCT/JP2010/070638 JP2010070638W WO2011062248A1 WO 2011062248 A1 WO2011062248 A1 WO 2011062248A1 JP 2010070638 W JP2010070638 W JP 2010070638W WO 2011062248 A1 WO2011062248 A1 WO 2011062248A1
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Prior art keywords
copolymer
ethylene
group
monomer unit
unit derived
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PCT/JP2010/070638
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English (en)
Japanese (ja)
Inventor
晃子 関野
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住友化学株式会社
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Publication of WO2011062248A1 publication Critical patent/WO2011062248A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/02—Ethene
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • C08L23/0884—Epoxide containing esters

Definitions

  • the present invention relates to an epoxy group-containing ethylene copolymer and a resin composition containing the same.
  • An epoxy group-containing ethylene copolymer comprising an ethylene-derived monomer unit and an epoxy group-containing olefin-derived monomer unit is, for example, a polyolefin as described in JP-A-52-32045. It is added to resins and polyester resins and used to improve mechanical properties such as impact resistance and tensile properties of these resins.
  • the epoxy group-containing ethylene-based copolymer is used for bonding between dissimilar materials that are difficult to bond, such as polyester resins, metals, and fluororesins, as described in, for example, JP-A-55-40707. It is also used.
  • the epoxy group-containing ethylene copolymers described in JP-A-52-32045 and JP-A-55-40707 have monomer units derived from an epoxy group-containing olefin per molecule. Since the content is small, the physical properties of the resin composition obtained by adding the copolymer to other resins are not sufficiently improved in the properties compared to the properties of the original resin.
  • an object of the present invention is to provide an epoxy group-containing ethylene copolymer having a high resin modification effect and a resin composition containing the same.
  • the present invention is an epoxy group-containing ethylene copolymer containing a monomer unit derived from ethylene and a monomer unit derived from glycidyl methacrylate, and the mass of the copolymer is 100% by mass.
  • a copolymer containing 15 to 25% by mass of the monomer unit derived from glycidyl methacrylate and having a melt flow rate at 190 ° C. of 10 to 50 g / 10 min, and a resin composition containing the copolymer provide.
  • the epoxy group-containing ethylene copolymer according to the present invention is a copolymer containing a monomer unit derived from ethylene and a monomer unit derived from glycidyl methacrylate. From the viewpoint of the resin modification effect, this epoxy group-containing ethylene-based copolymer has a monomer unit derived from glycidyl methacrylate in an amount of 15 to 25% by mass when the mass of the copolymer is 100% by mass. Contained, preferably 15 to 20% by mass. In addition, content of the monomer unit derived from glycidyl methacrylate is measured by infrared spectroscopy.
  • the epoxy group-containing ethylene copolymer in the present invention may be an epoxy group-containing ethylene copolymer consisting only of a monomer unit derived from ethylene and a monomer unit derived from glycidyl methacrylate, or ethylene. Derived from a monomer unit derived from, a monomer unit derived from glycidyl methacrylate, a compound represented by the following formula (1) and a compound represented by formula (2) An epoxy group-containing ethylene copolymer further containing a monomer unit may be used.
  • R 1 represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms
  • R 2 represents a halogen atom or a group represented by —COOR 5
  • R 3 represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a group represented by —COOR 6
  • R 4 represents an alkyl nitrile having 1 to 8 carbon atoms, an alkyl ether group, an alkylamide, a halogen atom, a phenyl group, or a group represented by —COOR 7 (R 7 represents an alkyl group having 1 to 8 carbon atoms).
  • R 4 represents a group represented by —OCOR 8 (R 8 represents an alkyl group having 1 to 8 carbon atoms).
  • R 8 represents an alkyl group having 1 to 8 carbon atoms.
  • Examples of the compound represented by the formula (1) include propylene, 1-butene, vinyl acetate, acrylic acid, methacrylic acid, methyl acrylate, ethyl acrylate, methyl methacrylate, ethyl methacrylate, vinyl chloride, vinylidene chloride, and styrene. , Acrylonitrile, isobutyl vinyl ether, and acrylamide.
  • Examples of the compound represented by the formula (2) include dimethyl maleate, diethyl maleate, dimethyl fumarate, and diethyl fumarate.
  • the one or more compounds are preferably selected from the group consisting of vinyl acetate, methyl acrylate and methyl methacrylate.
  • the epoxy group-containing ethylene copolymer is a monomer unit derived from ethylene, a monomer unit derived from glycidyl methacrylate, and a monomer unit derived from the compound represented by formula (1) or formula (2)
  • the content of the monomer unit derived from the compound represented by formula (1) or formula (2) is 40% by mass or less.
  • 30 mass% or less is more preferable.
  • the content of the monomer unit derived from glycidyl methacrylate is 15 to 25% by mass.
  • epoxy group-containing ethylene copolymer examples include an ethylene-glycidyl methacrylate copolymer, an ethylene-propylene-glycidyl methacrylate copolymer, and an ethylene-butene-1-glycidyl methacrylate copolymer.
  • Ethylene-vinyl acetate-glycidyl methacrylate copolymer ethylene-acrylic acid-glycidyl methacrylate copolymer, ethylene-methacrylic acid-glycidyl methacrylate copolymer, ethylene-methyl acrylate-glycidyl methacrylate copolymer, Ethylene-ethyl acrylate-glycidyl methacrylate copolymer, ethylene-methyl methacrylate-glycidyl methacrylate copolymer, ethylene-ethyl methacrylate-glycidyl methacrylate copolymer, ethylene-methyl maleate-glycidyl methacrylate Copolymer, ethylene-ethyl maleate-glycidyl methacrylate copolymer, ethylene-methyl fumarate-glycidyl methacrylate copolymer, ethylene-ethyl fumarate-glycidyl methacrylate
  • the epoxy group-containing ethylene copolymer according to the present invention can be synthesized by various methods. For example, it can be produced by bulk polymerization, emulsion polymerization, solution polymerization or the like using a free radical initiator. Representative polymerization methods include those described in JP-A-48-11388 and JP-A-61-127709, and in the presence of a polymerization initiator that generates free radicals, at a pressure of 500 kg / cm 2. As mentioned above, a method of copolymerizing under the condition of a temperature of 40 to 300 ° C. can be mentioned.
  • an unsaturated epoxy compound and a radical generator are mixed with a polymer containing a monomer unit derived from ethylene and a monomer unit derived from the compound represented by the formula (1) or (2).
  • a method of melt graft copolymerization in an extruder, or ethylene and an unsaturated epoxy compound, and an optional component represented by the formula (1) or (2) in an inert medium such as water or an organic solvent And a method of copolymerizing in the presence of a radical generator.
  • the epoxy group-containing ethylene copolymer according to the present invention has a melt flow rate at 190 ° C. of 10 to 50 g / 10 minutes, preferably 10 to 30 g / 10 minutes, from the viewpoint of the effect of modifying the resin.
  • the epoxy group-containing ethylene copolymer according to the present invention can be added to a resin such as a polyolefin resin or a polyester resin as described later and used as a modifier.
  • a resin such as a polyolefin resin or a polyester resin as described later and used as a modifier.
  • Various additives such as a colorant may be added to the resin together with the epoxy group-containing ethylene copolymer of the present invention.
  • the resin composition according to the present invention comprises the above epoxy group-containing ethylene copolymer (hereinafter referred to as component (A)) and an ester bond, carbonate bond, ether bond, sulfide bond and amide bond in the main chain. And a polymer having at least one bond selected from the group (hereinafter referred to as component (B)).
  • component (A) epoxy group-containing ethylene copolymer
  • component (B) a polymer having at least one bond selected from the group
  • the epoxy group-containing ethylene-based copolymer functions as a modifier. Therefore, the content of the component (A) in the resin composition is preferably 0.1 to 30% by mass when the total of the component (A) and the component (B) is 100% by mass, and preferably 1 to 25%. More preferably, it is more preferably 3 to 20% by mass.
  • the content of the component (B) is preferably 70 to 99.9% by mass, and 75 to 99% by mass. Is more preferable and 80 to 97% by mass is even more preferable.
  • the component (B) include polyester, polyamide, polycarbonate, polyacetal, polyphenylene ether, polyphenylene sulfide and the like. You may use these individually or in combination of 2 or more types.
  • the component (B) is preferably polyester. Polyester is classified into unsaturated polyester and saturated polyester. Examples of the saturated polyester include aliphatic polyester and aromatic polyester.
  • the unsaturated polyester refers to a polyester polymer obtained by copolymerizing an unsaturated polybasic acid, a saturated polybasic acid and a glycol.
  • unsaturated polyesters include polyethylene maleate / isophthalate, polypropylene maleate / isophthalate, polyethylene methacrylate / phthalate, polybisphenol A isophthalate.
  • the saturated polyester refers to a polyester polymer obtained by polymerizing a saturated polybasic acid and glycol.
  • the aliphatic polyester refers to a polyester polymer obtained by polymerizing an aliphatic hydroxycarboxylic acid, and a polyester polymer obtained by polymerizing an aliphatic diol and an aliphatic dicarboxylic acid.
  • polyester polymers obtained by polymerizing aliphatic hydroxycarboxylic acids include polylactic acid, polyglycolic acid, poly (3-hydroxybutyric acid), poly (4-hydroxybutyric acid), poly (4-hydroxyvaleric acid) ), Polycaprolactone and the like.
  • Polyester polymers obtained by polymerizing aliphatic diols and aliphatic dicarboxylic acids include polyester carbonate, polyethylene succinate, polybutylene succinate, polyhexamethylene succinate, polyethylene adipate, polybutylene adipate, polyhexamethylene Examples include adipate, polybutylene succinate adipate, polyethylene oxalate, polybutylene oxalate, polyhexamethylene oxalate, polyethylene sebacate, polybutylene sebacate and the like.
  • poly ( ⁇ -hydroxy acid) such as polylactic acid and polyglycolic acid is preferably used, and polylactic acid is particularly preferably used.
  • the aliphatic polyester may be a homopolymer or a copolymer.
  • the copolymer include a copolymer of lactic acid and a hydroxy acid other than lactic acid.
  • the aliphatic polyester one kind of polymer may be used, or two or more kinds of aliphatic polyester polymers may be blended and used.
  • a blend of the aliphatic polyester for example, a blend of a polylactic acid-based resin based on polylactic acid and another aliphatic polyester is preferable.
  • the content of the polylactic acid resin in the blended product of such a polylactic acid resin and another aliphatic polyester is preferably 60% by mass or more, and more preferably 70% by mass or more.
  • polylactic acid When polylactic acid is used as the aliphatic polyester, the synthesis method of polylactic acid may be direct polymerization of D-lactic acid or L-lactic acid, and D-lactide, L-lactide or meso which are cyclic dimers of lactic acid. -Ring-opening polymerization of lactide may be used.
  • the polylactic acid may be composed of either one of a monomer unit derived from L-lactic acid and a monomer unit derived from D-lactic acid, or a co-polymer containing both monomer units. It may be a coalescence.
  • the melt flow rate of the aliphatic polyester is preferably 0.5 to 50 g / 10 minutes, more preferably 1 to 30 g / 10 minutes, and most preferably 10 to 20 g / 10 minutes.
  • the melt flow rate of the aliphatic polyester is measured at a test temperature of 190 ° C. and a test load of 21.18 N by the method defined in JIS K 7210 (1995).
  • Aromatic polyesters are polyesters obtained by polymerizing aromatic hydroxycarboxylic acids, polyesters obtained by polymerizing aromatic dicarboxylic acids and aromatic diols, and polymers obtained by polymerizing aromatic dicarboxylic acids and aliphatic diols. Polyester obtained by polymerizing an aliphatic carboxylic acid and an aromatic diol.
  • Aromatic polyesters include polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, polyethylene-2,6-naphthalate, polybutylene naphthalate, poly1,4-cyclohexylenedimethylene terephthalate, polyethylene-1,2-bis (phenoxy) ethane.
  • the component (B) is preferably polylactic acid, aromatic polyester, or a mixture thereof.
  • polyamides include ring-opening polymers of cyclic lactams, polycondensates of aminocarboxylic acids, and polycondensates of dicarboxylic acids and diamines.
  • Nylon 6, Nylon 4,6, Nylon 6,6, Nylon 6,10, Nylon 6,12, Nylon 11, Nylon 12, and other aliphatic polyamides poly (metaxylene adipamide), poly (hexa Aliphatic-aromatic polyamides such as methylene terephthalamide), poly (hexamethylene isophthalamide), polynonanemethylene terephthalamide, poly (tetramethylene isophthalamide), poly (methylpentamethylene terephthalamide), and copolymers thereof
  • the copolymer include nylon 6 / poly (hexamethylene terephthalamide), nylon 6/6 / poly (hexamethylene terephthalamide), nylon 6 / nylon 6/6 / poly (hexamethylene isophthalamide), poly (Hexamethylene isophthala Do) / poly (hexamethylene terephthalamide), nylon 6 / poly (hexamethylene isophthalamide) / poly (hexamethylene terephthalamide), nylon 12 / poly (hexa /
  • the resin composition according to the present invention may contain a polymer other than the component (A) and the component (B) (hereinafter referred to as the component (C)).
  • a polymer other than the component (A) and the component (B) hereinafter referred to as the component (C)
  • polyolefin resin, an elastomer, etc. are mentioned.
  • the polyolefin-based resin is a polymer selected from an olefin homopolymer and a copolymer obtained by copolymerizing two or more olefins, and a polymer having a crystallinity of 25% or more. Means.
  • the crystallinity of the polyolefin resin is preferably 35% or more, and more preferably 40% or more.
  • polyolefin resins examples include polyethylene resins, polypropylene resins, polybutene resins, and the like, with polypropylene resins being preferred.
  • polyolefin resin one kind of resin may be used or two or more kinds of resins may be used in combination.
  • the degree of crystallinity is measured by using a differential scanning calorimeter (DSC) by scanning twice at a heating / cooling rate of 10 ° C./min.
  • DSC differential scanning calorimeter
  • the crystallinity is a value calculated as a ratio of the heat of fusion measured in the second scan to the heat of fusion in the 100% crystal state.
  • the polyethylene resin used in the present invention is an ethylene homopolymer or an ethylene- ⁇ -olefin copolymer having an ethylene unit content of 50% by mass or more, but the ethylene-propylene copolymer is a polypropylene resin. Shall be included.
  • ⁇ -olefin constituting the ethylene- ⁇ -olefin copolymer examples include 1-butene, 2-methyl-1-propene, 2-methyl-1-butene, 3-methyl-1-butene, 1-butene, Hexene, 2-ethyl-1-butene, 2,3-dimethyl-1-butene, 2-methyl-1-pentene, 3-methyl-1-pentene, 4-methyl-1-pentene, 3,3-dimethyl- 1-butene, 1-heptene, methyl-1-hexene, dimethyl-1-pentene, ethyl-1-pentene, trimethyl-1-butene, methylethyl-1-butene, methyl-1-pentene, ethyl-1-hexene , Dimethyl-1-hexene, propyl-1-heptene, methylethyl-1-heptene, trimethyl-1-pentene, propyl-1-pentene, diethyl-1
  • the ⁇ -olefin constituting the ethylene- ⁇ -olefin copolymer preferably has 4 to 12 carbon atoms, and more preferably 4 to 6 carbon atoms.
  • the melt flow rate is preferably 0.1 g / 10 min to 10 g / 10 min from the viewpoint of the mechanical strength of the molded product obtained from the resin composition of the present invention. More preferably, it is 0.3 g / 10 min to 8 g / 10 min, and particularly preferably 1.0 g / 10 min to 3 g / 10 min.
  • the melt flow rate of the polyethylene resin is measured under the conditions of a test load of 21.18 N and a test temperature of 190 ° C. by the method defined in JIS K 7210 (1995).
  • the polypropylene resin used in the present invention is a propylene homopolymer or a copolymer having a propylene unit content of 50% by mass or more, a propylene-ethylene random copolymer, a propylene- ⁇ -olefin random copolymer, A copolymer of propylene-ethylene- ⁇ -olefin copolymer, “propylene homopolymer component” and “one or more comonomers selected from the group consisting of propylene and ethylene and / or ⁇ -olefin having 4 or more carbon atoms”; Examples thereof include a copolymer composed of a “polymer component”.
  • polypropylene resins may be used alone or in combination of two or more.
  • the melt flow rate is preferably 0.1 g / 10 min to 400 g / 10 min from the viewpoint of the mechanical strength of the molded product obtained from the resin composition of the present invention. More preferably, it is 1 g / 10 min to 400 g / 10 min, and particularly preferably 5 g / 10 min to 200 g / 10 min.
  • the melt flow rate of the polypropylene resin is measured under the conditions of a test load of 21.18 N and a test temperature of 230 ° C. by the method defined in JIS K 7210 (1995).
  • the resin composition of this invention may contain the elastomer.
  • elastomer a copolymer other than the polyolefin-based resin can be used.
  • the elastomer include natural rubber, polybutadiene rubber, polyisoprene rubber, butyl rubber, amorphous or low-crystalline ethylene elastomer, butadiene-styrene elastomer, butadiene-acrylonitrile elastomer, hydrogenated or non-hydrogenated styrene-conjugated.
  • diene block elastomers polyester rubbers, acrylic rubbers, and silicon rubbers.
  • One type of elastomer may be used alone, or two or more types of elastomers may be used in combination.
  • the ethylene-based elastomer is an elastomer containing a monomer unit derived from ethylene as a main component, and examples thereof include an ethylene- ⁇ -olefin copolymer and an ethylene-ethylenically unsaturated ester copolymer.
  • the ethylene-based elastomer is preferably an ethylene- ⁇ -olefin copolymer which is a copolymer of ethylene and one or more ⁇ -olefins.
  • the ⁇ -olefin is preferably an ⁇ -olefin having 3 to 12 carbon atoms.
  • the “amorphous elastomer” refers to an elastomer in which a crystal melting peak having a heat of fusion of 1 J / g or more is not observed within a range of ⁇ 100 ° C. to 200 ° C.
  • the “low crystalline elastomer” refers to an elastomer in which a crystal melting peak having a heat of fusion of 1 to 30 J / g is observed in the range of ⁇ 100 ° C. to 200 ° C. by differential scanning calorimetry (DSC).
  • Examples of hydrogenated or non-hydrogenated styrene-conjugated diene block elastomers include styrene-isoprene copolymers, styrene-isoprene-styrene copolymers, styrene-ethylenebutene-styrene copolymers, styrene-butadiene copolymers, Examples thereof include styrene-butadiene-styrene copolymers.
  • the melt flow rate of the elastomer is preferably 0.1 g / 10 min to 100 g / 10 min from the viewpoint of the mechanical strength of the molded product obtained from the resin composition of the present invention.
  • the melt flow rate of the ethylene- ⁇ -olefin copolymer is preferably 0.1 g / 10 min or more, and is 100 g / 10 min or less from the viewpoint of increasing the mechanical strength of the obtained molded product. More preferably, it is 0.3 g / 10 min to 50 g / 10 min, and further preferably 0.5 g / 10 min to 40 g / 10 min.
  • the melt flow rate of the elastomer is measured under the conditions of a test load of 21.18 N and a test temperature of 190 ° C.
  • each component in the resin composition according to the present invention is the component (A) when the total content of the components (A), (B), and (C) is 100% by mass. 1 to 40% by mass, component (B) 1 to 30% by mass, component (C) 40 to 98% by mass, component (A) 5 to 35% by mass, component (B) 5 More preferably, it contains ⁇ 25% by mass, 45-90% by mass of component (C), 10-30% by mass of component (A), 10-20% by mass of component (B), and 50 of component (C). It is more preferable to contain ⁇ 80% by mass.
  • the method for producing the resin composition of the present invention is not particularly limited, and a method used in the production of a conventional resin composition, for example, melt-heat kneading using a kneader, an extruder or the like.
  • the method of manufacturing is mentioned.
  • the kneader include a kneader, a Banbury mixer, and a roll.
  • the extruder include a single screw extruder and a twin screw extruder.
  • the method for obtaining a molded product using the resin composition of the present invention is not particularly limited, and a molding method generally used for thermoplastic resin compositions, for example, injection molding, injection blow molding, injection compression molding.
  • any of blow molding, extrusion molding, thermoforming, rotational molding, vacuum molding, vacuum pressure forming and the like can be applied.
  • the molded product obtained using the resin composition of the present invention include films, sheets, foamed sheets, hollow containers, fibers such as nonwoven fabrics, and automobile parts such as interior materials.
  • the film or sheet obtained by molding the resin composition according to the present invention can also be used for applications requiring adhesiveness.
  • surface of a base material can also be used for the use for which adhesiveness is calculated
  • a method for producing a single layer or laminated film or sheet including a layer comprising a resin composition containing an epoxy group-containing ethylene copolymer according to the present invention for example, a commonly used extrusion molding method, T-die method, Examples thereof include an inflation method, a calendar method, lamination molding, and press molding.
  • a commonly used extrusion molding method, T-die method examples thereof include an inflation method, a calendar method, lamination molding, and press molding.
  • goods can also be adhere
  • the article can be regarded as the substrate.
  • an article on one side of the laminate can be bonded to another article on the other side.
  • the materials constituting the two articles to be bonded may be the same or different.
  • the material constituting the article include metals such as gold, silver, copper, iron, tin, lead, aluminum, and silicon, inorganic materials such as glass and ceramics, cellulosic polymers such as paper and cloth, Synthesis of melamine resin, acrylic / urethane resin, urethane resin, (meth) acrylic resin, styrene / acrylonitrile copolymer, polycarbonate resin, phenol resin, alkyd resin, epoxy resin, silicone resin, fluorine resin, etc.
  • Each article may be composed of two or more types of materials.
  • the shape of the article is not particularly limited, and examples thereof include a film shape, a sheet shape, a plate shape, and a fiber shape.
  • the article has a surface such as a release agent, a coating such as plating, a coating film made of a resin composition other than the present invention, surface modification by plasma or laser, surface oxidation, etching, etc. Processing etc. may be given.
  • Tensile impact strength (unit: kJ / m 2 ) The tensile impact strength of a 2 mm thick sheet compression molded under conditions of a molding temperature of 190 ° C., a preheating time of 10 minutes, a compression time of 5 minutes, and a compression pressure of 5 MPa was measured according to ASTM D1822-68. 7). Tensile properties Tensile properties of the molded bodies were measured according to the method defined in ASTM D638. As the test piece, a molded body having a thickness of 3.2 mm formed by injection molding was used. The test piece was previously marked with two marked lines and an interval of 50 mm. The test piece is pulled at a pulling speed of 50 mm / min.
  • B-1 Polybutylene terephthalate (Torcon 1401-X06 manufactured by Toray Industries, Inc.)
  • B-2 Polylactic acid (Teramac TP-4000 manufactured by Unitika Ltd.) [Component (C)] As the component (C), the following resins were used.
  • C-1 ethylene- ⁇ -olefin copolymer (density 920 kg / cm 3 , MFR 1.9 g / 10 min at 190 ° C.)
  • C-2 Ethylene- ⁇ -olefin copolymer (Excellen FX CX4002 manufactured by Sumitomo Chemical Co., Ltd.)
  • Example 1 It carried out similarly to the Example except having used A-2 instead of A-1.
  • Comparative Example 2 The same procedure as in Example was performed except that A-3 was used instead of A-1.
  • Comparative Example 3 The same procedure as in Example was performed except that A-4 was used instead of A-1.
  • Comparative Example 4 It carried out like Example 2 except having used A-2 instead of A-1.
  • Comparative Example 5 The same procedure as in Example 2 was performed except that A-3 was used instead of A-1.
  • Comparative Example 6 The same procedure as in Example 2 was performed except that A-4 was used instead of A-1.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

L'invention porte sur un copolymère d'éthylène à teneur en époxy qui contient une unité monomère issue de l'éthylène et une unité monomère issue du méthacrylate de glycidyle. L'unité monomère issue du méthacrylate de glycidyle représente entre 15 % et 25 % de la masse du copolymère, et l'indice de fusion du copolymère est de 10-50 g/10 min à 190°C.
PCT/JP2010/070638 2009-11-17 2010-11-12 Copolymère d'éthylène à teneur en époxy et composition de résine WO2011062248A1 (fr)

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JP2009-261628 2009-11-17
JP2009261628 2009-11-17
JP2009261629 2009-11-17
JP2009-261629 2009-11-17

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EP2980107B1 (fr) * 2013-03-27 2018-10-24 Japan Polyethylene Corporation Copolymère d'oléfine contenant un groupe polaire, adhésif et produit stratifié comprenant celui-ci

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