WO2020070836A1 - Composition de résine, film d'emballage et corps de logement de film d'emballage - Google Patents

Composition de résine, film d'emballage et corps de logement de film d'emballage

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Publication number
WO2020070836A1
WO2020070836A1 PCT/JP2018/037077 JP2018037077W WO2020070836A1 WO 2020070836 A1 WO2020070836 A1 WO 2020070836A1 JP 2018037077 W JP2018037077 W JP 2018037077W WO 2020070836 A1 WO2020070836 A1 WO 2020070836A1
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WIPO (PCT)
Prior art keywords
resin composition
composition according
formula
compound
wrap film
Prior art date
Application number
PCT/JP2018/037077
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English (en)
Japanese (ja)
Inventor
裕幸 宮田
俊也 佐原
一博 海老沼
Original Assignee
日立化成株式会社
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Application filed by 日立化成株式会社 filed Critical 日立化成株式会社
Priority to JP2020551016A priority Critical patent/JP7216108B2/ja
Priority to PCT/JP2018/037077 priority patent/WO2020070836A1/fr
Publication of WO2020070836A1 publication Critical patent/WO2020070836A1/fr

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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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof

Definitions

  • the present invention relates to a resin composition, a wrap film, and a wrap film container.
  • wrap films have been widely used for business use in hotels, restaurants, and the like, or at home for storing food, cooking, and the like.
  • additives such as a plasticizer, an antifogging agent, and a stabilizer are generally added for the purpose of imparting a function such as flexibility to the film or facilitating the production of the film.
  • a plasticizer used in a wrap film a polyester compound (polyester plasticizer) is known (for example, see Patent Document 1).
  • an object of the present invention is to provide a resin composition having excellent thermal stability, a wrap film formed from the resin composition, and a wrap film container provided with the wrap film.
  • the present inventors have found that the thermal stability of a resin composition can be improved by adding a specific compound as a plasticizer to a thermoplastic resin.
  • One aspect of the present invention is a resin composition containing a thermoplastic resin and a compound having a partial structure and an epoxy group represented by the following formula (1).
  • R 1 represents an alkylene group.
  • the partial structure may be a partial structure represented by the following formula (2).
  • R 1 represents an alkylene group.
  • the molecular weight of the compound may be 500 or more and 5000 or less.
  • the compound may be a compound represented by the following formula (3).
  • R 1 to R 5 each independently represent an alkylene group
  • R 6 to R 9 each independently represent an alkyl group
  • m1 and m2 each independently represent an integer of 1 or more
  • n2 each independently represents an integer of 0 or more.
  • M1 and m2 in the equation (3) may be 1.
  • N1 and n2 in the equation (3) may be 0.
  • R 2 and R 5 in the formula (3) may be an alkylene group having 5 to 9 carbon atoms or a heptylene group.
  • R 6 and R 9 in the formula (3) may be an alkyl group having 6 to 10 carbon atoms, and may be an octyl group.
  • R 7 and R 8 in the formula (3) may be an alkyl group having 1 to 4 carbon atoms, and may be a methyl group.
  • R 1 in the formula (3) may be an alkylene group having 2 to 6 carbon atoms, or may be a butylene group.
  • the compound may be a compound represented by the following formula (5).
  • the resin composition may further contain acetylated monoglyceride.
  • the resin composition may further contain a polycarboxylic acid ester.
  • the polycarboxylic acid ester may include a hydroxy polycarboxylic acid ester.
  • the hydroxy polycarboxylic acid ester may include an acetylated citrate alkyl ester.
  • the polycarboxylic acid ester may include a cyclohexanedicarboxylic acid dialkyl ester.
  • the resin composition may further contain an epoxidized vegetable oil.
  • the epoxidized vegetable oil may include epoxidized soybean oil and may include epoxidized linseed oil.
  • Another aspect of the present invention is a resin composition containing a thermoplastic resin and a compound having a partial structure represented by the following formula (2).
  • R 1 represents an alkylene group.
  • ⁇ ⁇ Another aspect of the present invention is a wrap film including a layer made of the above resin composition.
  • the wrap film may be used for packaging food products.
  • ⁇ Another aspect of the present invention is a wrap film container including a core, the wrap film wound around the core, and a box housing the core and the film.
  • the present invention it is possible to provide a resin composition having excellent thermal stability, a wrap film formed from the resin composition, and a wrap film container provided with the wrap film.
  • the resin composition according to one embodiment contains a thermoplastic resin.
  • Thermoplastic resins include polyester resins such as polyethylene terephthalate, polyethylene naphthalate and polybutylene terephthalate; polyamide resins such as 6-nylon, 6,6-nylon and 12-nylon; butadiene-styrene copolymer, acrylonitrile-styrene Polystyrene resins such as copolymer, polystyrene, styrene-butadiene-styrene copolymer, styrene-isoprene-styrene copolymer, styrene-acrylic acid copolymer; polyethylene, polypropylene, saponified ethylene-vinyl acetate copolymer And the like.
  • thermoplastic resins such as polyvinyl chloride resins such as polyvinyl chloride; and polyvinylidene chloride resins such as polyvinylidene chloride.
  • the thermoplastic resin is preferably a polyvinyl chloride resin, a polyvinylidene chloride resin or a polyolefin resin, more preferably a polyvinyl chloride resin, a polyvinylidene chloride resin or polyethylene. It is a system resin.
  • a polyvinyl chloride resin having an average degree of polymerization of 700 to 1300 is preferable from the viewpoint of excellent moldability, heat resistance and fluidity when forming a wrap film.
  • the average degree of polymerization in the present specification means an average degree of polymerization measured according to JIS K6720-2.
  • the polyvinyl chloride resin may be a vinyl chloride homopolymer (polyvinyl chloride resin) from the viewpoint of excellent mechanical properties, and for the purpose of imparting other properties, other resins copolymerizable with vinyl chloride. It may be a copolymer with a monomer. The copolymer may be a graft copolymer, a block copolymer or a random copolymer.
  • Examples of other monomers include olefins such as ethylene, propylene and butene; vinyl esters of saturated acids such as vinyl acetate and vinyl laurate; alkyl esters of unsaturated acids such as methyl acrylate and methyl methacrylate; lauryl Alkyl vinyl ethers such as vinyl ether; maleic acid, acrylonitrile, styrene, methyl styrene, and vinylidene fluoride;
  • the content of vinyl chloride units in the copolymer may be 10% by mass or more based on the total amount of monomer units, and is preferably 30% by mass from the viewpoint of excellent mechanical properties.
  • the upper limit of the content of the vinyl chloride unit in the copolymer is not particularly limited, and may be, for example, 99% by mass or less based on the total amount of the monomer units.
  • the polyvinyl chloride resin may be, for example, a polymer blend with a three-dimensional polymer of acrylonitrile-butadiene-styrene, a post-treated product with an alcohol or the like, or a post-treated product with a chlorine-containing compound.
  • the content of the vinyl chloride unit in the polyvinyl chloride resin may be 10% by mass or more based on the total amount of the resin.
  • the polyvinylidene chloride-based resin may be a vinylidene chloride homopolymer (polyvinylidene chloride resin), for example, a copolymer containing vinylidene chloride and another monomer copolymerizable with vinylidene chloride as a monomer unit. May be.
  • Other monomers include vinyl chloride, acrylic acid esters of acrylic acid and alcohols having 1 to 8 carbon atoms, methacrylic acid esters of methacrylic acid and alcohols having 1 to 8 carbon atoms, vinyl esters of aliphatic carboxylic acids, and unsaturated monomers. It may be an aliphatic carboxylic acid, olefin, vinyl ether or the like. Note that the copolymer of vinylidene chloride and vinyl chloride belongs to a polyvinylidene chloride resin.
  • the content of the vinylidene chloride unit in the polyvinylidene chloride-based resin is, for example, 60% by mass or more, 70% by mass or more, or 80% by mass, based on the total amount of the monomer units, from the viewpoint of moldability and heat resistance during wrap film molding. That is all.
  • the upper limit of the content of the vinylidene chloride unit in the polyvinylidene chloride-based resin is not particularly limited, and may be, for example, 99% by mass or less based on the total amount of the monomer units.
  • the content of vinylidene chloride units can be measured by a nuclear magnetic resonance (NMR) device.
  • the weight average molecular weight of the polyvinylidene chloride resin may be, for example, 40,000 to 180,000, 60,000 to 160,000, or 80,000 to 140,000.
  • the weight average molecular weight of the polyvinylidene chloride resin can be measured by a GPC method using polystyrene having a known molecular weight as a standard substance.
  • the conditions of the GPC method used for measuring the weight average molecular weight of the polyvinylidene chloride resin are as follows.
  • a gel chromatograph Alliance @ GPC2000 manufactured by Waters Co., Ltd. is used as a measuring apparatus.
  • a sample in which a polyvinylidene chloride-based resin is dissolved in tetrahydrofuran so as to have a concentration of 0.5% by mass is used.
  • polyolefin-based resin examples include a polyethylene-based resin, and the polyethylene-based resin includes a low-density polyethylene, a linear low-density polyethylene, a linear ultra-low-density polyethylene, a medium-density polyethylene, a high-density polyethylene, and a monomer unit including ethylene. May be used.
  • polyethylene-based resins include ethylene and propylene, 1-butene, 1-pentene, 1-hexene, 4-methyl-1-pentene, 1-heptene, 1-octene and the like having 3 to 10 carbon atoms.
  • vinyl esters such as ⁇ -olefins, vinyl acetate and vinyl propionate; unsaturated carboxylic esters such as methyl acrylate, ethyl acrylate, methyl methacrylate and ethyl methacrylate; unsaturated compounds such as conjugated dienes and non-conjugated dienes; It may be a copolymer with one or more selected from the above.
  • the content of the ethylene unit in the polyethylene resin may be 50% by mass or more based on the total amount of the monomer units.
  • the content of the thermoplastic resin may be 70% by mass or more, or 75% by mass or more, and 85% by mass or less or 80% by mass or less, based on the total amount of the resin composition, from the viewpoint of excellent productivity during wrap film molding. It may be.
  • the resin composition contains, in addition to the thermoplastic resin, a compound having a partial structure represented by the following formula (1) (hereinafter, also referred to as “compound A”).
  • compound A a compound having a partial structure represented by the following formula (1)
  • the stability of the resin composition is improved.
  • R 1 represents an alkylene group.
  • the alkylene group represented by R 1 may be linear or branched.
  • the alkylene group represented by R 1 may have 2 or more, 3 or more, or 4 or more, and may have 8 or less, 7 or less, 6 or less, 5 or less, or 4 or less. , 2-7, 2-6, 2-5, 2-4, 3-8, 3-7, 3-6, 3-5, 3-4, 4-8, 4-7, 4-6, or It may be 4-5.
  • the alkylene group may be a C4 alkylene group (butylene group) or a C4 linear alkylene group (n-butylene group).
  • the above partial structure may be a partial structure represented by the following formula (2).
  • R 1 has the same meaning as R 1 in the formula (1).
  • the compound A further has an epoxy group in addition to the above partial structure.
  • the epoxy group is a group represented by the following formula (X).
  • Compound A is preferably a compound represented by the following formula (3).
  • R 1 has the same meaning as R 1 in the formula (1)
  • R 2 ⁇ R 5 each independently represents an alkylene group
  • R 6 ⁇ R 9 each independently represents an alkyl group
  • m1 and m2 each independently represent an integer of 1 or more
  • n1 and n2 each independently represent an integer of 0 or more.
  • the alkylene groups represented by R 2 to R 5 may be each independently linear or branched.
  • the alkyl groups represented by R 6 to R 9 may be each independently linear or branched.
  • the carbon number of the alkylene group represented by R 2 , R 3 , R 4 or R 5 may be 2 or more, 3 or more, 4 or more, 5 or more, 6 or more, or 7 or more, and 12 or less, 11 or less , 10 or less, 9 or less, 8 or less, or 7 or less, 2 to 12, 2 to 11, 2 to 10, 2 to 9, 2 to 8, 2 to 7, 3 to 12, 3 to 11, 3 to 10, 3 to 9, 3 to 8, 3 to 7, 4 to 12, 4 to 11, 4 to 10, 4 to 9, 4 to 8, 4 to 7, 5 to 12, 5 to 11, 5 to 10, 5-9, 5-8, 5-7, 6-12, 6-11, 6-10, 6-9, 6-8, 6-7, 7-12, 7-11, 7-10, 7-9, or 7-8.
  • the alkylene group may be an alkylene group having 7 carbon atoms (heptylene group) or a linear alkylene group having 7 carbon atoms (n-heptylene group).
  • n1 and m2 each independently may be an integer of 2 or more, 3 or more, or 4 or more, and may be an integer of 4 or less, 3 or less, or 2 or less; It may be an integer of 22, 2 ⁇ 4, or 2 ⁇ 3.
  • m1 and m2 may be 1.
  • n1 and n2 each independently may be an integer of 1 or more, 2 or more, or 3 or more, and may be an integer of 3 or less, 2 or less, or 1 or less, and 0 to 3, 0 to 2, 0 It may be an integer of 1 to 1, 1 to 3, or 1 to 2. n1 and n2 may be 0.
  • a plurality of R 2 may be the same or different
  • a plurality of R 3 may be the same or different
  • a plurality of R 4 May be the same or different from each other
  • a plurality of R 5 's may be the same or different from each other.
  • the alkyl group represented by R 6 or R 9 may have 4 or more, 5 or more, 6 or more, 7 or more, or 8 or more, and 12 or less, 11 or less, 10 or less, 9 or less, or 8 or more. 4-12, 4-11, 4-10, 4-9, 4-8, 5-12, 5-11, 5-10, 5-9, 5-8, 6-12, 6-11, 6-10, 6-9, 6-8, 6-7, 7-12, 7-11, 7-10, 7-9, or 7-8.
  • the alkylene group may be an alkyl group having 8 carbon atoms (octyl group) or a linear alkyl group having 8 carbon atoms (n-octyl group).
  • the alkyl group represented by R 7 or R 8 may have 1 to 8, 1 to 7, 1 to 6, 1 to 5, 1 to 4, 1 to 3, or 1 to 2 carbon atoms.
  • the alkyl group may be an alkyl group having 1 carbon atom (methyl group).
  • the compound A may be a compound represented by the following formula (4) (a compound in which m1 and m2 are 1 and n1 and n2 are 0 in formula (3)).
  • R 1, R 2 and R 5 ⁇ R 9 have the same meanings as R 1, R 2 and R 5 ⁇ R 9 in each formula (3).
  • Compound A in one embodiment, a compound represented by the following formula (5) in (Equation (3), m1 and m2 are 1, n1 and n2 are 0, R 1 is n- butylene, R 2 and R 5 is an n-heptylene group, R 6 and R 9 are n-octyl groups, and R 7 and R 8 are methyl groups).
  • the molecular weight of the compound A may be 500 or more, 600 or more, 700 or more, 800 or more, or 900 or more from the viewpoint of more excellent thermal stability, and may be 5000 or less, 3000 or less, 2500 or less, 2000 or less, or 1500 or less. It may be.
  • the content of the compound A is preferably 2% by mass, from the viewpoint of further improving the thermal stability of the resin composition and appropriately suppressing the amount of the additive eluted from the wrap film, based on the total amount of the resin composition. It is 5% by mass or more, 8% by mass or more, 9% by mass or more, or 10% by mass or more, and preferably 20% by mass or less, 15% by mass or less, from the viewpoint of excellent film forming properties of the wrap film. % By mass, 12% by mass or less, or 11% by mass or less.
  • Compound A can be synthesized, for example, by the following method. First, glycerol-3-phosphate is acylated with an unsaturated fatty acid, and the obtained product is dephosphorylated to synthesize diacylglycerol. Thereafter, diacetylglycerol is epoxidized, and the obtained product is dehydrated by reacting with dicarboxylic acid.
  • the resin composition may further contain acetylated monoglyceride.
  • the acetylated monoglyceride may be, for example, a compound in which two of the hydroxyl groups of glycerin are acetylated and the other one is esterified with a fatty acid.
  • the fatty acid may be, for example, a fatty acid having 3 to 8 carbon atoms.
  • the content of the acetylated monoglyceride may be 0.5% by mass or more, 1.5% by mass or more, 3% by mass or more, 4% by mass or more, or 5% by mass or more based on the total amount of the resin composition. It may be up to 9% by weight, up to 9% by weight, or up to 8% by weight.
  • the resin composition may further contain a polycarboxylic acid ester.
  • the polycarboxylic acid ester is an ester of a polycarboxylic acid and an alcohol.
  • the polycarboxylic acid may be, for example, a divalent to tetravalent carboxylic acid.
  • the alcohol may be, for example, an aliphatic alcohol having 1 to 10 carbon atoms.
  • the polycarboxylic acid may be, for example, an aliphatic polycarboxylic acid. That is, the polycarboxylic acid ester may be an aliphatic polycarboxylic acid ester which is an ester of an aliphatic polycarboxylic acid and an alcohol.
  • the aliphatic polycarboxylic acid may be, for example, adipic acid. That is, the aliphatic polycarboxylic acid ester may be, for example, a diester of adipic acid and an alcohol, a diester of adipic acid and an aliphatic alcohol having 1 to 10 carbon atoms, or dioctyl adipate. May be.
  • the polycarboxylic acid may be, for example, a hydroxy polycarboxylic acid that is a polycarboxylic acid having a hydroxyl group. That is, the polycarboxylic acid ester may be a hydroxypolycarboxylic acid ester which is an ester of a hydroxypolycarboxylic acid and an alcohol.
  • the hydroxy polycarboxylic acid may be, for example, citric acid. That is, the hydroxy polycarboxylic acid ester may be a triester of citric acid and an alcohol.
  • the hydroxyl group of the hydroxy polycarboxylic acid ester may be acetylated.
  • the hydroxy polycarboxylic acid ester may be an acetylated hydroxy polycarboxylic acid ester, may be an acetylated citrate triester, or may be an acetylated citrate trialkyl ester.
  • the acetylated trialkyl citrate may be, for example, acetylated tributyl citrate.
  • the polycarboxylic acid may be, for example, cyclohexane polycarboxylic acid which is a polycarboxylic acid having a cyclohexane ring. That is, the polycarboxylic acid ester may be a cyclohexane polycarboxylic acid ester which is an ester of a cyclohexane polycarboxylic acid and an alcohol.
  • the cyclohexane polycarboxylic acid may be, for example, cyclohexanedicarboxylic acid.
  • the cyclohexane polycarboxylic acid ester may be a diester of cyclohexane dicarboxylic acid and an alcohol, and may be a dialkyl cyclohexane dicarboxylic acid ester.
  • the dialkyl cyclohexanedicarboxylate may be, for example, diisononyl 1,2-cyclohexanedicarboxylate.
  • the content of the polycarboxylic acid ester may be 1% by mass or more, 2% by mass or more, 3% by mass or more, 4% by mass or more, or 5% by mass or more based on the total amount of the resin composition, and may be 15% by mass or more. Hereinafter, it may be 13% by mass or less, 10% by mass or less, 9% by mass or less, or 8% by mass or less.
  • the resin composition may further contain an epoxidized vegetable oil.
  • the epoxidized vegetable oil may be epoxidized soybean oil, epoxidized linseed oil, and the like.
  • the content of the epoxidized vegetable oil may be 3% by mass or more, 4% by mass or more, or 5% by mass or more based on the total amount of the resin composition, and may be 10% by mass or less, 9% by mass or less, or 8% by mass or less. It may be.
  • the resin composition may further contain other additives in addition to the thermoplastic resin, the compound A and each of the above-mentioned additives.
  • Other additives include anti-fogging agents, heat stabilizers, light stabilizers, coloring agents, plasticizers, lubricants, fillers, plate-out inhibitors, antioxidants, release agents, viscosity reducing agents, surfactants , A fluorescent agent, a surface treatment agent, a cross-linking agent, a processing aid, an adhesive, an antistatic agent, an ultraviolet absorber, an anti-blocking agent, and the like.
  • the content (total content) of the other additives may be, for example, 1% by mass or more and 30% by mass or less.
  • the resin composition is suitably used for a wrap film. That is, one embodiment of the present invention is a wrap film including a layer made of the above resin composition. This wrap film is particularly suitably used for packaging food because it can reduce the amount of additive eluted into food.
  • the wrap film may be composed of only one layer containing the thermoplastic resin and the compound A, or may be composed of a plurality of layers.
  • the wrap film may include, for example, a first surface layer, an intermediate layer, and a second surface layer in this order.
  • the first and second surface layers contain a thermoplastic resin, a compound A, and an optional additive
  • the intermediate layer includes a thermoplastic resin and an optional additive.
  • An agent may be contained.
  • the wrap film may further include an adhesive layer containing an acid-modified polyolefin resin or the like, for example, in order to improve the adhesion between the respective layers, and in order to improve the heat resistance of the wrap film, a polyamide resin is used.
  • a heat-resistant layer may be further provided.
  • the thickness of the wrap film is preferably 5 ⁇ m or more, more preferably 6 ⁇ m or more, from the viewpoint of efficiently shielding the food from the outside air, and from the viewpoint of excellent handleability, preferably 25 ⁇ m or less, more preferably It may be 12 ⁇ m or less.
  • the total light transmittance of the wrap film is preferably 75% or more, more preferably 80% or more, for example, 90% or less, from the viewpoint of excellent visibility.
  • the wrap film is prepared, for example, by mixing a thermoplastic resin, a compound A, and the above-mentioned additives, if necessary, with a mixer such as a V-type blender, a ribbon blender, a Henschel mixer, or a super mixer, and further mixing if necessary.
  • the composition is obtained by kneading with a kneading machine such as a roll, a Banbury mixer, a kneader or the like, and then, for example, extrusion molding.
  • a kneading machine such as a roll, a Banbury mixer, a kneader or the like
  • extrusion molding for example, extrusion molding.
  • the composition is supplied to a hopper of an extruder, and an intended wrap film is obtained by an inflation method, a T-die method, or the like.
  • the wrap film is composed of a plurality of layers
  • the wrap film is obtained by putting the constituent materials of each layer into separate extruders, melt-extruding the layers, co-extruding the layers by an inflation method, a T-die method, etc., and laminating the layers.
  • Heat treatment such as aging and the like, and for the purpose of improving antifogging property, antistatic property, adhesiveness, etc., corona treatment; aging treatment; surface treatment such as printing and coating; Good.
  • the wrap film for example, is formed on a long length and wound up, and then further re-wound (rolled) at a desired length such as 20 m, 50 m, etc., and packed into a box to form a product.
  • the wrap film in the present embodiment may be in the form of a wrap film wound around a core or may be in the form of a wrap film housed in a box.
  • FIG. 1 is a perspective view showing a wrap film container according to one embodiment.
  • a wrap film container 1 according to one embodiment includes a wrap film 2, a core 3 around which the wrap film is wound, and a box 4 accommodating the wrap film 2 and the core 3. It has.
  • the box 4 may be provided with a blade portion 5 for cutting the wrap film 2.
  • the materials of the core 3 and the box 4 are not particularly limited. From the viewpoint of easily recognizing the color of the wrap film from the outside, at least a part of the box 4 is preferably transparent or has a hole so as not to impair the function of the box, so that the inside can be visually recognized from the outside. It has become.
  • a “film” is a thin flat product whose thickness is extremely small compared to its length and width and whose maximum thickness is arbitrarily limited, and which can be supplied in the form of a roll (necessary In this case, the Japanese Industrial Standard JIS K6900 can be referred to).
  • the term “sheet” refers to a product that is thin in definition according to JIS, and that is generally small and flat in terms of length and width.
  • the boundary between the sheet and the film is not clear, and it is not necessary to distinguish between the two in the present embodiment. Therefore, in the present specification, the term “film” includes the term “sheet” and the term “sheet”. The term “film” also includes "film”. Further, “film” is a concept including a wrap film among the above definitions.
  • Resin compositions having the compositions shown in Tables 1 and 2 were prepared using the following thermoplastic resins and additives. Specifically, after each component was put into a super mixer, the temperature of the material was raised from room temperature to 130 ° C. while stirring, and mixed to obtain a resin composition. In addition, the balance of the content of each component other than the polyvinyl chloride resin (thermoplastic resin) subtracted from 100% by mass is the content of the polyvinyl chloride resin (thermoplastic resin). The content of each component means mass% in terms of solid content.
  • Thermoplastic resin polyvinyl chloride resin (manufactured by Taiyo PVC Co., Ltd., "TH-1000", average degree of polymerization: 1000)
  • Additive A Compound represented by the following formula (5) (Di (2-acetate, 3-epoxyoleate) glyceryl adipate)
  • Additive a polyester plasticizer ("D623", manufactured by J-PLUS Co., Ltd., number average molecular weight: 1800, adipic acid polyester)
  • Additive B1 Acetylated monoglyceride ("PL-012", manufactured by Riken Vitamin Co., Ltd.)
  • Additive B2 Dioctyl adipate (Sansoizer DOA, manufactured by Shin Nippon Rika Co., Ltd.)
  • Additive B3 Epoxidized soybean oil (“Chemisizer SE-100” manufactured by Sanwa Gosei Chemical Co., Ltd.)
  • Additive B4 Glycerin fatty acid ester ("
  • the product was extruded at a temperature of 200 ° C. to produce a wrap film having a thickness of 8 ⁇ m.
  • # 1 wrap film container
  • 2 wrap film
  • 3 core
  • 4 box
  • 5 blade

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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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Wrappers (AREA)

Abstract

Un aspect de la présente invention concerne une composition de résine contenant une résine thermoplastique et un composé ayant un groupe époxy et une structure partielle représentée par la formule (1). Dans la formule (1), R1 représente un groupe alkylène.
PCT/JP2018/037077 2018-10-03 2018-10-03 Composition de résine, film d'emballage et corps de logement de film d'emballage WO2020070836A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020551016A JP7216108B2 (ja) 2018-10-03 2018-10-03 樹脂組成物、ラップフィルム及びラップフィルム収容体
PCT/JP2018/037077 WO2020070836A1 (fr) 2018-10-03 2018-10-03 Composition de résine, film d'emballage et corps de logement de film d'emballage

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WO2013084707A1 (fr) * 2011-12-09 2013-06-13 三菱樹脂株式会社 Composition de résine et film d'emballage et son procédé de fabrication
JP2016522283A (ja) * 2013-05-16 2016-07-28 ザ コカ・コーラ カンパニーＴｈｅ Ｃｏｃａ‐Ｃｏｌａ Ｃｏｍｐａｎｙ 食品および飲料梱包用のポリマー組成物およびコーティング

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