WO2020054820A1 - 樹脂組成物及びその成形体 - Google Patents
樹脂組成物及びその成形体 Download PDFInfo
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- WO2020054820A1 WO2020054820A1 PCT/JP2019/035969 JP2019035969W WO2020054820A1 WO 2020054820 A1 WO2020054820 A1 WO 2020054820A1 JP 2019035969 W JP2019035969 W JP 2019035969W WO 2020054820 A1 WO2020054820 A1 WO 2020054820A1
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- STLLXWLDRUVCHL-UHFFFAOYSA-N [2-[1-[2-hydroxy-3,5-bis(2-methylbutan-2-yl)phenyl]ethyl]-4,6-bis(2-methylbutan-2-yl)phenyl] prop-2-enoate Chemical compound CCC(C)(C)C1=CC(C(C)(C)CC)=CC(C(C)C=2C(=C(C=C(C=2)C(C)(C)CC)C(C)(C)CC)OC(=O)C=C)=C1O STLLXWLDRUVCHL-UHFFFAOYSA-N 0.000 claims description 4
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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- C08F261/04—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/06—Copolymers of allyl alcohol
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2351/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—Characterised by the use 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/06—Copolymers of allyl alcohol
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Definitions
- the present invention relates to a resin composition having excellent flexibility and excellent durability during thermoforming, and a molded product thereof.
- Emulsifiers, suspending agents, and surfactants make use of the excellent film properties (mechanical strength, oil resistance, film-forming properties, oxygen gas barrier properties, etc.) or hydrophilic properties resulting from high crystallinity.
- film properties mechanical strength, oil resistance, film-forming properties, oxygen gas barrier properties, etc.
- hydrophilic properties resulting from high crystallinity.
- textile processing agents various binders, paper processing agents, adhesives, various packaging materials, sheets, containers and the like.
- a vinyl alcohol resin usually has a higher glass transition temperature than room temperature and is highly crystallized, and thus has a large problem depending on the application, such as low flexibility, weak flex resistance, and low reactivity. It has physical deficiencies. The low flexibility can be solved by compounding a plasticizer, but in this case, bleed out of the plasticizer or a remarkable decrease in crystallinity inevitably lowers mechanical properties and barrier properties.
- Patent Literature 1 exemplifies a polymer in which a synthetic rubber having a modified functional group introduced into a terminal is reacted in a dimethyl sulfoxide solution of a vinyl alcohol-based resin, and the synthetic rubber is introduced as a graft chain via the reactive group. .
- Patent Documents 2 and 3 disclose a method of producing a graft copolymer by generating radicals in a vinyl alcohol-based resin using ionizing radiation and bringing the vinyl alcohol-based resin into contact with butadiene. .
- the present invention has been made to solve the above problems, and has an object to provide a resin composition having excellent flexibility and excellent durability during thermoforming, and a molded product thereof.
- the inventors of the present invention have conducted intensive studies to solve the above-described problems.
- the cause of the poor thermal stability of the copolymer is due to the carbonyl group generated by the oxidation reaction of the diene polymer region.
- the reaction with the hydroxyl group of the vinyl alcohol-based polymer region ends, and by using a resin composition containing a specific compound to prevent the oxidation reaction of the diene-based polymer region serving as the starting point.
- the present inventors have found that the above problem can be solved, and have completed the present invention based on this finding.
- the present invention includes the following inventions.
- a copolymer (B) composed of a vinyl alcohol polymer (B-1) region and a diene polymer (B-2) region, a phenol compound (C), and an amine compound (D) And a resin composition containing at least one compound selected from the group consisting of phosphorus compounds (E).
- At least one compound selected from the group consisting of phenolic compounds (C), amine compounds (D) and phosphorus compounds (E) is added in an amount of 0.05 to 15 parts by mass based on 100 parts by mass of the resin composition.
- a phenolic compound (C) is represented by the following general formula [I] or [II], (Wherein, R 1 to R 7 each independently represent a hydrocarbon group having 1 to 15 carbon atoms, X represents a divalent hydrocarbon group having 1 to 15 carbon atoms, Y represents a vinyloxy group, or Represents a (meth) acryloyloxy group, wherein the hydrocarbon groups of R 1 to R 7 and X are —O—, —S—, —NH—, —N (R 8 ) —, —O (CO) —, And at least one group selected from the group consisting of and -CO-.
- R 8 represents a hydrocarbon group having 1 to 6 carbon atoms.
- the phenolic compound (C) is a compound represented by the general formula [II], R 4 , R 5 , R 6 , and R 7 are a hydrocarbon group having 1 to 6 carbon atoms, and X is The resin composition according to [6], wherein the resin composition is a divalent hydrocarbon group having 1 to 6 carbon atoms and Y is an acryloyloxy group.
- the phenolic compound (C) is dibutylhydroxytoluene and 2- [1- (2-hydroxy-3,5-di-t-pentylphenyl) ethyl] -4,6-di-t-pentylphenyl acrylate
- the secondary amine containing two or more aromatic rings is represented by the following general formula [IV] (Wherein R 12 to R 21 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 15 carbon atoms, and W 1 and W 2 represent a divalent hydrocarbon group having 1 to 15 carbon atoms) Wherein m and n are each independently 0 or 1, and the hydrocarbon groups of R 12 to R 21 and W 1 and W 2 are -O-, -S-, -NH-, -N (R 22 ) may include at least one group selected from the group consisting of-, -O (CO)-, and -CO-, wherein R 12 to R 21 together form a ring; R 22 represents a hydrocarbon group having 1 to 6 carbon atoms.)
- the resin composition according to [11] which is a compound represented by the formula: [13]
- the resin composition of [11], wherein the secondary amine containing two or more aromatic rings is an amine having a diarylamine skeleton.
- the amine having a diarylamine skeleton is 4,4′-bis ( ⁇ , ⁇ -dimethylbenzyl) diphenylamine, N-phenyl-N′-isopropyl-p-phenylenediamine, N-phenyl-N ′-(1 , 3-Dimethylbutyl) -p-phenylenediamine, 2,3: 5,6-dibenzo-1,4-thiazine, and N, N, N'N'-tetramethyl-p-diaminodiphenylmethane
- the resin composition according to [13] which is at least one of the following.
- 3 is an FT-IR chart of the resin composition obtained in Synthesis Example 1.
- 3 is an FT-IR chart of a film obtained by press-molding the compound obtained in Example 1 by a method described later.
- 5 is an FT-IR chart of a film obtained by press-molding the compound obtained in Comparative Example 2 by a method described below.
- the resin composition of the present invention comprises a copolymer (B) composed of a vinyl alcohol-based polymer (B-1) region and a diene-based polymer (B-2) region, a phenolic compound (C), an amine It is characterized by containing at least one compound selected from the group consisting of a compound (D) and a phosphorus compound (E).
- the copolymer (B) is composed of a vinyl alcohol-based polymer (B-1) region and a diene-based polymer (B-2) region.
- the copolymer (B) is not particularly limited as long as it has at least one vinyl alcohol-based polymer (B-1) region and at least one diene-based polymer (B-2) region.
- the copolymer (B) is, for example, a graft copolymer (B1) or a block copolymer (B2).
- the copolymer (B) is preferably a graft copolymer (B1).
- the structure of the graft copolymer (B1) is not particularly limited, it is composed of a main chain composed of a vinyl alcohol-based polymer (B-1) region and a side chain composed of a diene-based polymer (B-2) region. Is preferred. That is, it is preferable that a side chain composed of a diene-based polymer (B-2) is introduced into a main chain composed of a vinyl alcohol-based polymer (B-1).
- a plurality of diene-based polymer (B-2) regions are bonded to one vinyl alcohol-based polymer (B-1) region is particularly preferable.
- the type of the vinyl alcohol-based polymer (B-1) is not particularly limited, but for example, the following polyvinyl alcohol or ethylene-vinyl alcohol copolymer is preferable.
- the vinyl alcohol-based polymer (B-1) preferably has a vinyl alcohol unit content of at least 40 mol%, preferably at least 50 mol%, based on all structural units constituting the vinyl alcohol-based polymer (B-1). Or 55 mol% or more.
- polyvinyl alcohol or an ethylene-vinyl alcohol copolymer may be used alone, or a plurality of polyvinyl alcohols and / or ethylene-vinyl alcohol copolymers may be used in combination. You may.
- the structural unit in a polymer means the repeating unit which comprises a polymer.
- an ethylene unit or a vinyl alcohol unit is also a structural unit.
- Block copolymer (B2) When the copolymer (B) is a block copolymer (B2), it has a vinyl alcohol-based polymer (B-1) region as a polymer block (b1), and comprises a diene-based polymer (B-2). It has a region as a polymer block (b2).
- the block copolymer (B2) may have one polymer block (b1) and one polymer block (b2), respectively, or may have the polymer block (b1) and / or the polymer block (b2). ) May be two or more.
- the bonding mode of the block copolymer is b1-b2 type diblock copolymer, b1-b2-b1 type triblock copolymer, b2-b1-b2 type triblock copolymer, b1-b2-b1 Linear multi-block copolymers represented by -b2 type tetrablock copolymers and b2-b1-b2-b1 type tetrablock copolymers, such as (b2-b1-) n and (b1-b2-) n And a star (radial star) block copolymer.
- n is a value greater than 2.
- the viscosity average polymerization degree of the polyvinyl alcohol (measured in accordance with JIS K 6726 (1994)) is not particularly limited, but is preferably 100 to 10,000, more preferably 200 to 7,000, and further preferably 300 to 5 , 000. When the viscosity average polymerization degree is within the above range, the mechanical strength of the obtained resin composition is excellent.
- the average degree of polymerization may be adjusted according to the desired number average molecular weight of the copolymer (B).
- the saponification degree of the polyvinyl alcohol is not particularly limited, but is preferably 50 mol% or more, and more preferably 80 mol% or more from the viewpoint of excellent thermal stability and flexibility of the resin composition. More preferably, it is 95 mol% or more, and may be 100 mol%.
- the content of the ethylene unit in the ethylene-vinyl alcohol copolymer is not particularly limited, but is preferably from 10 to 60 mol% from the viewpoint of excellent thermal stability and flexibility of the resin composition and ease of production. -50 mol% is more preferable.
- the ethylene unit content of the ethylene-vinyl alcohol copolymer can be determined by 1 H-NMR measurement.
- the degree of saponification of the ethylene-vinyl alcohol copolymer is not particularly limited, but is preferably 90 mol% or more, more preferably 95 mol% or more, and more preferably 99 mol% or more from the viewpoint of excellent thermal stability and flexibility of the resin composition. Preferably, it may be 100 mol%.
- the degree of saponification of the ethylene-vinyl alcohol copolymer can be measured in accordance with JIS K 6726 (1994).
- the melt flow rate (MFR) (210 ° C., load 2160 g) of the ethylene-vinyl alcohol copolymer is not particularly limited, but is preferably 0.1 g / 10 min or more, more preferably 0.5 g / 10 min or more.
- the upper limit of the melt flow rate may be a commonly used value, and may be, for example, 25 g / 10 minutes or less.
- the melt flow rate is a value measured and measured using a melt indexer at 210 ° C. and a load of 2160 g in accordance with ASTM D1238.
- the polyvinyl alcohol and the ethylene-vinyl alcohol copolymer may contain a structural unit (x) other than a vinyl alcohol unit, a vinyl ester monomer unit and an ethylene unit as long as the effects of the present invention are not impaired. .
- Examples of the structural unit (x) include ⁇ -olefins such as propylene, n-butene, isobutylene and 1-hexene (including ethylene in the case of polyvinyl alcohol); acrylic acid; methyl acrylate, ethyl acrylate, An acrylate group such as n-propyl acrylate, i-propyl acrylate, n-butyl acrylate, i-butyl acrylate, t-butyl acrylate, 2-ethylhexyl acrylate, dodecyl acrylate, octadecyl acrylate, etc.
- ⁇ -olefins such as propylene, n-butene, isobutylene and 1-hexene (including ethylene in the case of polyvinyl alcohol); acrylic acid; methyl acrylate, ethyl acrylate, An acrylate group such as n-propyl acrylate, i-prop
- Methacrylic acid methyl methacrylate, ethyl methacrylate, n-propyl methacrylate, i-propyl methacrylate, n-butyl methacrylate, i-butyl methacrylate, t-butyl methacrylate, methacrylic acid 2-ethylhexyl, dodecyl methacrylate
- Unsaturated monomers having a methacrylic ester group such as octadecyl methacrylate; acrylamide, N-methylacrylamide, N-ethylacrylamide, N, N-dimethylacrylamide, diacetoneacrylamide, acrylamidepropanesulfonic acid, acrylamidopropyldimethylamine, etc.
- methacrylamides such as methacrylamide, N-methyl methacrylamide, N-ethyl methacrylamide, methacrylamide propanesulfonic acid, and methacrylamidopropyl dimethylamine
- Vinyl ethers such as teaaryl vinyl ether and 2,3-diacetoxy-1-vinyloxypropane
- unsaturated nitriles such as acrylonitrile and methacrylonitrile
- vinyl halides such as vinyl chloride and vinyl fluoride
- vinylidene chloride vinylidene chloride
- Vinylidene halides such as vinylidene
- allyl compounds such as allyl acetate, 2,3-diacetoxy-1
- Ethylene-vinyl alcohol copolymer is particularly preferably used as the vinyl alcohol-based polymer (B-1).
- the thermal stability and flexibility of the resin composition are easily improved.
- the copolymer (B) contains a diene polymer (B-2) region.
- the structure of the diene polymer (B-2) is not particularly limited, but the diene polymer (B-2) preferably has an olefin structure.
- the resin composition of the present invention can be crosslinked or vulcanized by heating.
- the diene polymer (B-2) include polybutadiene, polyisoprene, polyisobutylene, polychloroprene, and polyfarnesene. These may be used alone or in combination of two or more.
- the diene polymer (B-2) may be a copolymer of two or more monomers selected from the group consisting of butadiene, isoprene, isobutylene, chloroprene, and farnesene. Among them, from the viewpoint of reactivity and flexibility, polybutadiene, polyisoprene, and polyisobutylene are preferable, and polyisoprene is more preferable.
- the copolymer (B) contains structural units other than the vinyl alcohol-based polymer (B-1) region and the diene-based polymer (B-2) region as long as the effects of the present invention are not impaired. Is also good.
- the diene polymer (B-2) region exists as a side chain, and a part or all of the region is a vinyl alcohol polymer (B-1).
- the carbon atom is directly bonded to a carbon atom constituting the main chain composed of the region, preferably a secondary carbon atom or a tertiary carbon atom constituting the main chain.
- the resin composition of the present invention has more excellent thermal stability and flexibility.
- the content of the diene polymer (B-2) region with respect to the total mass of the vinyl alcohol polymer (B-1) region and the diene polymer (B-2) region is particularly limited. However, it is preferably 30% by mass or more, more preferably 40% by mass or more, and even more preferably 45% by mass or more.
- the content of the diene polymer (B-2) region is preferably 80% by mass or less, more preferably 76% by mass or less, and even more preferably 70% by mass or less. When the content is 30% by mass or more, desired flexibility and reactivity are easily obtained.
- the content is 80% by mass or less
- the vinyl alcohol-based polymer (A ) And the copolymer (B) are excellent in compatibility, and the formation of coarse phase separation is easily suppressed. Therefore, it is easy to maintain the transparency and various properties of the resin composition at a good level.
- the content of the vinyl alcohol unit in the copolymer (B) with respect to the total mass of the vinyl alcohol-based polymer (B-1) region and the diene-based polymer (B-2) region is in the range of 15 to 60% by mass. Preferably, there is.
- the content of the vinyl alcohol unit is 15% by mass or more, in the embodiment including the vinyl alcohol-based polymer (A), the vinyl alcohol-based polymer (A) and the copolymer (B) (particularly, the graft copolymer) High compatibility with (B1)) and excellent transparency of the resin composition.
- the content of the vinyl alcohol unit is 60% by mass or less, the vinyl alcohol-based polymer (A) and the copolymer (B) are appropriately compatible with each other.
- the content of the vinyl alcohol unit is more preferably 17 to 50% by mass, further preferably 18 to 45% by mass, and particularly preferably 20 to 40% by mass.
- the method for measuring the content of the vinyl alcohol unit is as described in Examples described later.
- the side chain comprising the diene polymer (B-2) region of the graft copolymer (B1) preferably has a molecular weight distribution.
- the side chain comprising the diene polymer (B-2) region has a molecular weight distribution, in the embodiment including the vinyl alcohol polymer (A), the vinyl alcohol polymer (A) and the graft copolymer ( The compatibility of B1) is easily improved, and the transparency of the resin composition after molding is easily increased.
- the resin composition of the present invention further contains a vinyl alcohol-based polymer (A).
- a vinyl alcohol-based polymer (A) is not particularly limited, for example, polyvinyl alcohol or an ethylene-vinyl alcohol copolymer is preferably used.
- the viscosity average degree of polymerization of polyvinyl alcohol or ethylene-vinyl alcohol copolymer, the degree of saponification, the content of ethylene units in the ethylene-vinyl alcohol copolymer, and the melt flow rate are as follows:
- the copolymer (B) is the same as the polyvinyl alcohol or ethylene-vinyl alcohol copolymer described as the vinyl alcohol-based polymer (B-1).
- the vinyl alcohol-based polymer (A) and the vinyl alcohol-based polymer (B-1) may have the same structural unit constituting each polymer, the same viscosity average degree of polymerization of each polymer, the degree of saponification, and the like. , May be different.
- the content of the vinyl alcohol unit is preferably at least 40 mol% with respect to all structural units constituting the vinyl alcohol-based polymer (A). , 55 mol% or more.
- the content of the copolymer (B) with respect to 100 parts by mass of the total of the vinyl alcohol polymer (A) and the copolymer (B) is 10 to 90. %, More preferably 30 to 85% by mass, and even more preferably 35 to 75% by mass from the viewpoint that the thermal stability and flexibility of the resin composition are more excellent.
- the resin composition of the present invention comprises at least one compound selected from the group consisting of a phenolic compound (C), an amine compound (D) and a phosphorus compound (E), in addition to the copolymer (B) described above. Including compounds.
- the molecular weight of the phenolic compound (C) is preferably from 100 to 2,000, more preferably from 150 to 1500, and still more preferably from 160 to 1200, from the viewpoint of the thermal stability and flexibility of the resin composition.
- the oxidation reaction of the diene polymer (B-2) region of the copolymer (B) can be specifically suppressed. That is, generation of a carbonyl group in the diene polymer (B-2) region of the copolymer (B) can be suppressed.
- R 1 to R 7 each independently represent a hydrocarbon group having 1 to 15 carbon atoms
- X represents a divalent hydrocarbon group having 1 to 15 carbon atoms
- the hydrocarbon groups of R 1 to R 7 and X are —O—, —S—, —NH—, —N (R 8 ) -, - O (CO) -, optionally .
- R 8 also comprise at least one group and selected from the group consisting of -CO- represents a hydrocarbon group having 1 to 6 carbon atoms).
- the hydrocarbon group having 1 to 15 carbon atoms represented by R 1 to R 7 may be linear or branched, and examples thereof include a methyl group, an ethyl group, an n-propyl group, an isopropyl group and an n-butyl group.
- Examples of the substituent of the substituted phenyl group include a linear or branched alkyl group having 1 to 10 carbon atoms, a halogen atom (a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom).
- a linear or branched alkyl group is preferable from the viewpoint of more excellent thermal stability and flexibility of the resin composition.
- the carbon number of the hydrocarbon group represented by R 1 to R 7 is preferably from 1 to 10, and more preferably from 1 to 6 in that the thermal stability and flexibility of the resin composition are more excellent.
- Examples of the hydrocarbon group for R 8 include those having 1 to 6 carbon atoms in the hydrocarbon group among those described above as R 1 to R 7 .
- the divalent hydrocarbon group having 1 to 15 carbon atoms of X may be linear or branched, for example, a methylene group, a methylmethylene group, an ethylene group, an n-propylene group, an isopropylene group
- alkylene groups such as butylene group, pentylene group, hexylene group, heptylene group, octylene group, nonylene group and decylene group.
- the number of carbon atoms of the hydrocarbon group of X is preferably from 1 to 10, more preferably from 1 to 6, and even more preferably from 1 to 4 in that the thermal stability and flexibility of the resin composition are more excellent.
- Y is preferably a (meth) acryloyloxy group, and more preferably an acryloyloxy group, from the viewpoint that the resin composition has more excellent thermal stability and flexibility.
- the hydrocarbon groups of R 1 to R 7 and X are —O—, —S—, —NH—, —N (R 8 ) —, —O (CO) —, and Phenolic compounds containing no -CO- can be mentioned.
- the phenolic compound (C) of another embodiment includes the following general formula [III] (Wherein, R 9 and R 10 each independently represent a hydrocarbon group having 1 to 15 carbon atoms, Z represents a divalent hydrocarbon group having 1 to 15 carbon atoms, and R 9 and R 10 And the hydrocarbon group of Z is at least one group selected from the group consisting of —O—, —S—, —NH—, —N (R 11 ) —, —O (CO) —, and —CO— R 11 represents a hydrocarbon group having 1 to 6 carbon atoms.) The compound represented by these is mentioned.
- R 9 and R 10 are the same as those for R 1 to R 7 .
- hydrocarbon group for R 11 those similar to R 8 can be mentioned.
- R 9 and R 10 are a hydrocarbon group having 1 to 6 carbon atoms
- Z is a divalent hydrocarbon group having 1 to 10 carbon atoms
- the monovalent hydrocarbon group is at least one group selected from the group consisting of —O—, —S—, —NH—, —N (R 11 ) —, —O (CO) —, and —CO— Is preferred.
- the phenolic compound (C) according to a preferred embodiment has the general formula [I] from the viewpoint that the resin composition is more excellent in thermal stability and flexibility, and more excellent in the effect of suppressing bleed formation and the effect of preventing discoloration.
- R 1 , R 2 and R 3 are phenolic compounds having 1 to 6 carbon atoms.
- the phenolic compound (C) of another preferred embodiment is represented by the general formula [II] from the viewpoint that the resin composition is more excellent in thermal stability and flexibility and more excellent in the effect of preventing discoloration.
- R 4 , R 5 , R 6 and R 7 are a hydrocarbon group having 1 to 6 carbon atoms
- X is a divalent hydrocarbon group having 1 to 6 carbon atoms
- Y is acryloyl Examples include phenolic compounds that are oxy groups.
- Examples of the phenol compound (C) include dibutylhydroxytoluene, mono ( ⁇ -methylbenzyl) phenol, di ( ⁇ -methylbenzyl) phenol, tri ( ⁇ -methylbenzyl) phenol and 2,5-di-t- Butylhydroquinone, 2,5-di-t-amylhydroquinone, 2- [1- (2-hydroxy-3,5-di-t-pentylphenyl) ethyl] -4,6-di-t-pentylphenyl acrylate, 2-tert-butyl-6- (3-tert-butyl-2-hydroxy-5-methylbenzyl) -4-methylphenyl acrylate, 4,6-bis [(octylthio) methyl] -o-cresol, pentaerythritol tetrakis [3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate], 2,2′-methylenebis 4-methyl
- Phenyl) ethyl] -4,6-di-t-pentylphenyl acrylate is more preferably at least one selected from the group consisting of:
- the content of the phenolic compound (C) is preferably from 0.05 to 15 parts by mass, and more preferably from 0.1 to 10 parts by mass in terms of the thermal stability and flexibility of the resin composition, based on 100 parts by mass of the resin composition. And more preferably 1 to 8 parts by mass from the viewpoint of being more excellent in the effect of suppressing bleed formation and the effect of preventing discoloration.
- the content of the compound represented by the general formula [I] is preferably 2 to 15 parts by mass, more preferably 3 to 10 parts by mass, and still more preferably 4 to 8 parts by mass based on 100 parts by mass of the resin composition.
- the content of the compound represented by the general formula [II] is preferably 5 to 15 parts by mass, more preferably 5 to 12 parts by mass, and still more preferably 5 to 9 parts by mass based on 100 parts by mass of the resin composition. .
- the molecular weight of the amine compound (D) is preferably 100 or more and 2000 or less, more preferably 150 or more and 1500 or less, and still more preferably 160 or more and 1200 or less from the viewpoint of thermal stability and flexibility of the resin composition.
- the oxidation reaction of the diene polymer (B-2) region of the copolymer (B) can be specifically suppressed, that is, the copolymer (B)
- the formation of a carbonyl group in the diene polymer (B-2) region can be suppressed.
- an amine having an aromatic group is preferable in terms of the thermal stability and flexibility of the resin composition.
- the aromatic group include aryl groups such as a phenyl group, a substituted phenyl group, and a naphthyl group, and a phenyl group is preferable.
- the substituent of the substituted phenyl group include a linear or branched alkyl group having 1 to 10 carbon atoms, a halogen atom (a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom).
- amine having an aromatic group a secondary amine containing two or more aromatic rings or a tertiary amine containing two or more aromatic rings is preferable from the viewpoint of excellent thermal stability and flexibility of the resin composition.
- the number of aromatic rings contained in the amine having an aromatic group is not particularly limited, but may be 2 to 6, 2 to 4, or 2 to 3.
- the secondary amine containing two or more aromatic rings for example, the following general formula [IV] (Wherein R 12 to R 21 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 15 carbon atoms, and W 1 and W 2 represent a divalent hydrocarbon group having 1 to 15 carbon atoms) Wherein m and n are each independently 0 or 1, and the hydrocarbon groups of R 12 to R 21 and W 1 and W 2 are -O-, -S-, -NH-, -N (R 22 ) may include at least one group selected from the group consisting of-, -O (CO)-, and -CO-, wherein R 12 to R 21 together form a ring; R 22 represents a hydrocarbon group having 1 to 6 carbon atoms.) The compound represented by these is mentioned.
- Examples of the hydrocarbon group having 1 to 15 carbon atoms for R 12 to R 21 include the same as those for R 1 to R 7 .
- Examples of the divalent hydrocarbon group having 1 to 15 carbon atoms for W 1 and W 2 those similar to X can be mentioned.
- the ring formed by R 12 and R 21 together may be an aromatic ring or a heterocyclic ring containing an oxygen atom or a sulfur atom.
- R 12 and R 17 may together form a heterocyclic ring containing a sulfur atom and a nitrogen atom via —S—.
- an amine having a diarylamine skeleton in which m and n are 0 is preferable.
- R 12 to R 21 are all hydrogen atoms, m and n are 0, a combination of R 12 and R 17 and / or a combination of R 16 and R 21 Include compounds in which a combination forms a heterocyclic ring via -S-.
- Examples of the amine compound (D) include N-phenyl-1-naphthylamine, di (4-butylphenyl) amine, di (4-pentylphenyl) amine, di (4-hexylphenyl) amine, and di (4- Heptylphenyl) amine, di (4-octylphenyl) amine, 4,4′-bis ( ⁇ , ⁇ -dimethylbenzyl) diphenylamine, p- (p-toluenesulfonylamide) diphenylamine, N, N′-di (2- Naphthyl) -p-phenylenediamine, N-phenyl-N'-isopropyl-p-phenylenediamine, N-phenyl-N '-(1,3-dimethylbutyl) -p-phenylenediamine, N-phenyl-N'- (3-methacryloyloxy-2-hydroxypropyl)
- the content of the amine compound (D) is preferably from 0.05 to 15 parts by mass, and more preferably from 0.1 to 8 parts by mass, in terms of thermal stability and flexibility of the resin composition, based on 100 parts by mass of the resin composition. And more preferably 1 to 5 parts by mass from the viewpoint that the resin composition is more excellent in thermal stability even when used in a small amount.
- the molecular weight of the phosphorus compound (E) is preferably from 100 to 2,000, more preferably from 150 to 1500, and still more preferably from 160 to 1200, from the viewpoint of the thermal stability and flexibility of the resin composition.
- the oxidation reaction of the diene polymer (B-2) region of the copolymer (B) can be specifically suppressed. That is, generation of a carbonyl group in the copolymer (B) can be suppressed. Therefore, a reaction between the carbonyl group generated in the diene polymer (B-2) region of the copolymer (B) and the hydroxyl group in the vinyl alcohol polymer (B-1) region does not occur.
- the resin composition contains the polymer (A)
- the reaction between the carbonyl group and the hydroxyl group of the vinyl alcohol polymer (A) does not occur, and the resin composition has excellent thermal stability.
- the phosphorus compound (E) and the copolymer (B) appropriate flexibility can be imparted to the resin composition. Furthermore, even if the phosphorus compound (E) is used in a small amount, the formation of the carbonyl group can be suppressed, and the thermal stability and flexibility of the resin composition can be improved.
- a trivalent phosphite is preferable.
- the trivalent phosphite the following general formula [V], [VI] or [VII] (Wherein R 23 , R 24 , R 28 and R 29 each independently represent a hydrocarbon group having 1 to 25 carbon atoms, and R 25 to R 27 each independently represent a hydrocarbon group having 1 to 25 carbon atoms. Represents a divalent hydrocarbon group, and a plurality of R 23 may be combined to form a ring.) The compound represented by these is mentioned.
- the hydrocarbon group having 1 to 25 carbon atoms represented by R 23 , R 24 , R 28 and R 29 may be linear or branched, and may be an alkyl group having 1 to 25 carbon atoms, Aliphatic groups such as 25 alkenyl groups; and aromatic groups having 6 to 25 carbon atoms.
- an alkyl group having 3 to 20 carbon atoms is preferable, and an alkyl group having 4 to 19 carbon atoms is more preferable.
- the aromatic group include aryl groups such as a phenyl group, a substituted phenyl group, and a naphthyl group, and a phenyl group and a substituted phenyl group are preferred.
- Examples of the substituent of the substituted phenyl group include a linear or branched alkyl group having 1 to 10 carbon atoms, a halogen atom (a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom).
- a plurality of R 23 , R 24 , R 28 and R 29 may be the same or different.
- the divalent hydrocarbon group having 1 to 25 carbon atoms represented by R 25 to R 27 may be linear or branched, and may be an alkylene group having 1 to 25 carbon atoms or alkenylene having 2 to 25 carbon atoms.
- a divalent aliphatic group such as a group; and a divalent aromatic group having 6 to 25 carbon atoms.
- an alkylene group having 1 to 20 carbon atoms is preferable, and an alkylene group having 1 to 10 carbon atoms is more preferable.
- the alkylene group include a methylene group, a methylmethylene group, an ethylene group, an n-propylene group, an isopropylene group, a butylene group, a pentylene group, a hexylene group, a heptylene group, an octylene group, a nonylene group, and a decylene group.
- the divalent aromatic group include an arylene group such as a phenylene group, a substituted phenylene group, and a naphthylene group.
- the substituent of the substituted phenylene group examples include those similar to the substituted phenyl group.
- a plurality of R 25 to R 27 may be the same or different.
- the phosphorus compound (E) is a compound in which R 23 is a substituted phenyl group substituted with a linear or branched alkyl group having 1 to 10 carbon atoms, and all three R 23 are The same compound represented by the general formula [V].
- Examples of the phosphorus compound (E) include tris (nonylphenyl) phosphite, triphenyl phosphite, tristearyl phosphite, tricresyl phosphite, and tris (2,4-di-tert-butylphenyl) phosphite , Tris (2-ethylhexyl) phosphite, tridecyl phosphite, trilauryl phosphite, tris (tridecyl) phosphite, trioleyl phosphite, diphenyl mono (2-ethylhexyl) phosphite, diphenyl monodecyl phosphite, diphenyl mono (Tridecyl) phosphite, 2,2′-methylenebis (4,6-di-tert-butylphenyl) 2-ethylhexyl phos
- a phenolic compound (C) and an amine compound (D) may be contained as long as the effects of the present invention can be obtained. It may contain a compound (E), may contain an amine compound (D) and a phosphorus compound (E), and contains a phenol compound (C), an amine compound (D) and a phosphorus compound (E). May be.
- a resin composition containing a phenolic compound (C) and a phosphorus compound (E) or a resin composition containing an amine compound (D) and a phosphorus compound (E) is effective, and in particular, an amine compound (D ) And a phosphorus compound (E) are effective.
- the total content of the phenolic compound (C), the amine compound (D) and the phosphorus compound (E) is preferably 0.05 to 15 parts by mass, and 0.1 to 10 parts by mass. Parts are more preferred.
- the content is 0.1 to 1.0 part by mass in a further preferred embodiment, and 0.1 to 0.6 part by mass in a particularly preferred embodiment.
- the mixing ratio when at least one compound selected from the group consisting of the phenolic compound (C) and the amine compound (D) and the phosphorus compound (E) is not particularly limited.
- (CD / W E ) is preferably 90/10 to 50/50. When the mass ratio is within this range, the effect of the case where two types of compounds are used in combination is likely to appear.
- the mass ratio (W CD / W E ) is preferably from 85/15 to 55/45, more preferably from 80/20 to 60/40.
- the resin composition of the present invention may contain another resin (F) and another additive (G).
- the other resin (F) include a polyamide resin, an acrylic resin, a polyolefin resin, a modified polyolefin resin, a vinyl chloride resin, a polylactic acid resin, and a cellulose resin. These other resins (F) may be used alone or in a combination of two or more.
- the resin composition of the present invention preferably does not substantially contain the other resin (F).
- the phrase "substantially contains no component" means that the content of the component in the resin composition is less than 5% by mass, preferably less than 1% by mass, more preferably less than 0.1% by mass, and more preferably 0.1% by mass. More preferably, it is less than 01% by mass.
- the other additives (G) include a light stabilizer, an anti-blocking agent, a pigment, a dye, and a heat shielding material.
- the resin composition of the present invention has an FT-IR spectrum of a resin composition before press molding at 200 ° C. for 600 seconds and an FT-IR spectrum of a molded article (for example, a film) after press molding at 200 ° C. for 600 seconds. It is preferable that the difference in absorbance at the peak of 1719 cm -1 is less than 0.01 when overlaid. Within this range, the resin composition has excellent thermal stability.
- the measurement by FT-IR may be performed by the method described in Examples.
- the tensile modulus of the film is preferably 5 to 150 kgf / mm 2 , and preferably 10 to 150 kgf / mm 2. More preferably, it is 100 kgf / mm 2 .
- the value of the breaking elongation of the film is preferably 10 to 200%. Within this range, the resin composition is excellent in flexibility.
- the measurement of the tensile modulus and the elongation at break may be performed by the method described in the examples using an autograph.
- the method for producing the resin composition of the present invention is not particularly limited.
- the method for producing when the copolymer (B) is the graft copolymer (B1) will be described below.
- a graft copolymer (B1) is produced by generating radicals on the main chain of the vinyl alcohol-based polymer and introducing a graft chain using various generally known graft polymerization methods, and the obtained graft copolymer is obtained.
- (B1) at least one compound selected from the group consisting of a phenolic compound (C), an amine compound (D) and a phosphorus compound (E), and if necessary, a vinyl alcohol polymer ( And A) with a desired composition.
- Examples of the method for producing the resin composition include a step of irradiating the vinyl alcohol-based polymer (B-1) with an active energy ray, and a step of irradiating the vinyl alcohol-based polymer (B-1) after the active energy ray irradiation with a diene-based polymer.
- the graft copolymer (B1) and the phenolic compound are mixed in the mixing step with the vinyl alcohol polymer (A) present as the unreacted vinyl alcohol polymer (B-1) in the graft polymerization. It may be mixed with at least one compound selected from the group consisting of (C), amine compound (D) and phosphorus compound (E).
- the resin composition of the present invention while maintaining barrier properties, is excellent in flexibility and excellent in bending resistance, from the point of being excellent in vertical bag filling and sealing bags, vacuum packaging bags, pouches, laminate tube containers, infusion bags, paper.
- Packaging materials for medical, food, or daily necessities such as containers, strip tapes, lids for containers or in-mold label containers; industrial barrier films such as agricultural cover films and soil sheets; tire applications (inner liners, treads) Part) is useful as a molded article.
- the molded article may be in the form of a film containing the resin composition of the present invention depending on the use.
- the present invention includes embodiments in which the above configurations are variously combined within the scope of the technical idea of the present invention as long as the effects of the present invention are exerted.
- the upper limit and the lower limit of the numerical range content of each component, value calculated from each component, each physical property, and the like.
- the mass ratio (A) / (B1) was calculated. It was confirmed from the 1 H-NMR analysis that the extract in the treatment did not contain the graft copolymer (B1) but was only the vinyl alcohol polymer (A). In other words, the denominator of the mass ratio is the content (% by mass) of the graft copolymer (B1) with respect to 100 parts by mass in total of the vinyl alcohol-based polymer (A) and the graft copolymer (B1).
- Wb-Wq is defined as the mass of the main chain composed of the vinyl alcohol polymer (B-1) region
- Wq is defined as the mass of the side chain composed of the diene polymer (B-2) region. The content of the side chain consisting of the diene polymer (B-2) region relative to the total mass of the main chain consisting of the region (B-1) and the side chain consisting of the diene polymer (B-2) region was calculated.
- X 2 ⁇ (a raw material for an ethylene - vinyl alcohol copolymer (parts by weight)) ⁇ (a 2/100 ) ⁇ / 28
- Y 2 ⁇ (a raw material for an ethylene - vinyl alcohol copolymer (parts by weight)) ⁇ (b 2/100 ) ⁇ / 44
- Z 2 ⁇ (resin composition after reaction (parts by mass))-(raw material ethylene-vinyl alcohol copolymer (parts by mass)) / (molecular weight of monomer to be graft-polymerized)
- FIG. 1 shows the result of FT-IR analysis of the obtained resin composition.
- Example 1 99.5 parts by mass of the polymer composition obtained in Synthesis Example 1 and 0.5 part by mass of N-phenyl-N ′-(1,3-dimethylbutyl) -p-phenylenediamine as the amine compound (D) Dry blended. This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. Bleeding of the amine compound (D) was not visually observed in the obtained compound.
- Table 2 shows the results of the evaluation of the physical properties evaluated using the compound.
- FIG. 2 shows the result of FT-IR analysis of the film obtained by molding the compound.
- Example 2 99.0 parts by mass of the polymer composition obtained in Synthesis Example 2 and 1.0 part by mass of N-phenyl-N '-(1,3-dimethylbutyl) -p-phenylenediamine as the amine compound (D) Dry blended. This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. Bleeding of the amine compound (D) was not visually observed in the obtained compound. Table 2 shows the results of the evaluation of the physical properties evaluated using the compound.
- Example 3 99.5 parts by mass of the polymer composition obtained in Synthesis Example 1 and 0.5 part by mass of 2,3: 5,6-dibenzo-1,4-thiazine as an amine compound (D) were dry-blended. This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. Bleeding of the amine compound (D) was not visually observed in the obtained compound. Table 2 shows the results of the evaluation of the physical properties evaluated using the compound.
- Example 4 99.5 parts by mass of the polymer composition obtained in Synthesis Example 1 and 0.5 part by mass of N, N, N'N'-tetramethyl-p-diaminodiphenylmethane as the amine compound (D) were dry-blended. This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. Bleeding of the amine compound (D) was not visually observed in the obtained compound. Table 2 shows the results of the evaluation of the physical properties evaluated using the compound.
- Example 5 96.0 parts by mass of the polymer composition obtained in Synthesis Example 1 and 4.0 parts by mass of dibutylhydroxytoluene as a phenolic compound (C) were dry-blended. This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. Bleeding of the phenolic compound (C) was not visually observed in the obtained compound. Table 2 shows the results of the evaluation of the physical properties evaluated using the compound.
- Example 6 93.0 parts by mass of the polymer composition obtained in Synthesis Example 1 and 7.0 parts by mass of N-phenyl-N ′-(1,3-dimethylbutyl) -p-phenylenediamine as the amine compound (D) Dry blended. This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. In the obtained compound, it was visually observed that a part of the amine compound (D) bleeded on the surface of the compound. Table 2 shows the results of the evaluation of the physical properties evaluated using the compound.
- Example 7 90.0 parts by mass of the polymer composition obtained in Synthesis Example 1 and 2- [1- (2-hydroxy-3,5-di-t-pentylphenyl) ethyl] -4 as phenolic compound (C) 10.0 parts by mass of 6-di-t-pentylphenyl acrylate was dry-blended. This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. Bleeding of the phenolic compound (C) was not visually observed in the obtained compound. Table 2 shows the results of the evaluation of the physical properties evaluated using the compound.
- Example 8 99.0 parts by mass of the polymer composition obtained in Synthesis Example 1 and 1.0 part by mass of tris (nonylphenyl) phosphite as the phosphorus compound (E) were dry-blended. This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. Bleeding of the phosphorus compound (E) was not visually observed in the obtained compound. Table 2 shows the results of the evaluation of the physical properties evaluated using the compound.
- Example 9 99.7 parts by mass of the polymer composition obtained in Synthesis Example 1, 0.2 parts by mass of N-phenyl-N ′-(1,3-dimethylbutyl) -p-phenylenediamine as the amine compound (D), 0.1 parts by mass of tris (nonylphenyl) phosphite was dry-blended as the phosphorus compound (E). This was melt-kneaded at a temperature of 190 ° C. for 3 minutes in a Labo Plastomill, and then the melt was cooled and solidified to obtain a compound. Bleeding of the compounds (D) and (E) was not visually observed in the obtained compound. Table 2 shows the results of the evaluation of the physical properties evaluated using the compound. In addition, in the column of the addition amount [parts by mass] in Table 2, the total mass of the amine compound (D) and the phosphorus compound (E) is described.
- the resin composition of the present invention has high flexibility as compared with a vinyl alcohol-based polymer, has excellent thermal stability during molding, and can be used under high-temperature molding conditions for a long time. It can be seen that the obtained molded body has excellent mechanical strength. Therefore, it is expected to form a molded article that is more flexible and less likely to break than the conventional vinyl alcohol-based polymer.
- the unmodified vinyl alcohol-based polymer has a high tensile modulus and is hard and brittle.
- Comparative Examples 2 and 3 when at least one compound selected from the group consisting of a phenolic compound (C), an amine compound (D) and a phosphorus compound (E) is not contained, long-time high-temperature molding is performed. Under the conditions, thermal deterioration is remarkable and molding cannot be performed.
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Abstract
Description
[1]ビニルアルコール系重合体(B-1)領域とジエン系重合体(B-2)領域から構成される共重合体(B)と、フェノール系化合物(C)、アミン系化合物(D)及びリン系化合物(E)からなる群より選ばれる少なくとも1種の化合物を含む、樹脂組成物。
[2]共重合体(B)がグラフト共重合体(B1)である、[1]の樹脂組成物。
[3]フェノール系化合物(C)、アミン系化合物(D)又はリン系化合物(E)の分子量が、100以上2000以下である、[1]又は[2]の樹脂組成物。
[4]樹脂組成物100質量部において、フェノール系化合物(C)、アミン系化合物(D)及びリン系化合物(E)からなる群より選ばれる少なくとも1種の化合物を0.05~15質量部含有する、[1]~[3]のいずれか一項の樹脂組成物。
[5]さらにビニルアルコール系重合体(A)を含む、[1]~[4]のいずれか一項の樹脂組成物。
[6]フェノール系化合物(C)が、下記一般式[I]又は[II]、
で表される化合物である、[1]~[5]のいずれか一項の樹脂組成物。
[7]フェノール系化合物(C)が一般式[I]で表される化合物であり、R1、R2及びR3が、炭素数1~6の炭化水素基である、[6]の樹脂組成物。
[8]フェノール系化合物(C)が一般式[II]で表される化合物であり、R4、R5、R6、及びR7が炭素数1~6の炭化水素基であり、Xが炭素数1~6の二価の炭化水素基であり、Yがアクリロイルオキシ基である、[6]の樹脂組成物。
[9]フェノール系化合物(C)が、ジブチルヒドロキシトルエン及び2-〔1-(2-ヒドロキシ-3,5-ジ-t-ペンチルフェニル)エチル〕-4,6-ジ-t-ペンチルフェニルアクリレートからなる群より選ばれる少なくとも1種である、[1]~[6]のいずれか一項の樹脂組成物。
[10]アミン系化合物(D)が、芳香族基を有するアミンである、[1]~[5]のいずれか一項の樹脂組成物。
[11]前記芳香族基を有するアミンが、芳香環を2つ以上含む2級アミン又は芳香環を2つ以上含む3級アミンである、[10]の樹脂組成物。
[12]前記芳香環を2つ以上含む2級アミンが、下記一般式[IV]
で表される化合物である、[11]の樹脂組成物。
[13]前記芳香環を2つ以上含む2級アミンが、ジアリールアミン骨格を有するアミンである、[11]の樹脂組成物。
[14]ジアリールアミン骨格を有するアミンが、4,4’-ビス(α、α-ジメチルベンジル)ジフェニルアミン、N-フェニル-N'-イソプロピル-p-フェニレンジアミン、N-フェニル-N'-(1,3-ジメチルブチル)-p-フェニレンジアミン、2,3:5,6-ジベンゾ-1,4-チアジン、及びN,N,N’N’-テトラメチル-p-ジアミノジフェニルメタンからなる群より選ばれる少なくとも1種である、[13]の樹脂組成物。
[15]リン系化合物(E)が、三価の亜リン酸エステルである、[1]~[5]のいずれか一項の樹脂組成物。
[16]フェノール系化合物(C)及びアミン系化合物(D)からなる群より選ばれる少なくとも1種の化合物と、リン系化合物(E)を含む、[1]~[15]のいずれか一項の樹脂組成物。
[17]フェノール系化合物(C)及びアミン系化合物(D)からなる群より選ばれる少なくとも1種の化合物の質量(WCD)と、リン系化合物(E)の質量(WE)の質量比(WCD/WE)が90/10~50/50である、[16]の樹脂組成物。
[18]アミン系化合物(D)と、リン系化合物(E)を含む、[16]の樹脂組成物。
[19][1]~[18]のいずれか一項の樹脂組成物を含む、フィルム。
共重合体(B)は、ビニルアルコール系重合体(B-1)領域とジエン系重合体(B-2)領域から構成される。共重合体(B)は、少なくとも一つのビニルアルコール系重合体(B-1)領域と少なくとも一つのジエン系重合体(B-2)領域を有する共重合体であれば特に制限はない。共重合体(B)は、例えばグラフト共重合体(B1)やブロック共重合体(B2)である。
共重合体(B)は、好ましくはグラフト共重合体(B1)である。グラフト共重合体(B1)の構造は特に限定されないが、ビニルアルコール系重合体(B-1)領域からなる主鎖及びジエン系重合体(B-2)領域からなる側鎖から構成されることが好ましい。すなわち、ビニルアルコール系重合体(B-1)領域からなる主鎖に対して、ジエン系重合体(B-2)領域からなる側鎖が導入されたものであることが好ましい。特に、1つのビニルアルコール系重合体(B-1)領域に複数のジエン系重合体(B-2)領域が結合したものが特に好ましい。ビニルアルコール系重合体(B-1)の種類は特に限定されないが、例えば、以下に示すポリビニルアルコール又はエチレン-ビニルアルコール共重合体が好ましい。ビニルアルコール系重合体(B-1)は、ビニルアルコール系重合体(B-1)を構成する全構造単位に対してビニルアルコール単位の含有率が40mol%以上であることが好ましく、50mol%以上であっても、55mol%以上であってもよい。ビニルアルコール系重合体(B-1)において、ポリビニルアルコール又はエチレン-ビニルアルコール共重合体を1種単独で用いてもよく、複数のポリビニルアルコール及び/又はエチレン-ビニルアルコール共重合体を組み合せて用いてもよい。なお、本発明において重合体中の構造単位とは、重合体を構成する繰り返し単位のことを意味する。例えば、エチレン単位又はビニルアルコール単位も構造単位である。
共重合体(B)が、ブロック共重合体(B2)である場合、ビニルアルコール系重合体(B-1)領域を重合体ブロック(b1)として有し、ジエン系重合体(B-2)領域を重合体ブロック(b2)として有する。ブロック共重合体(B2)は、重合体ブロック(b1)及び重合体ブロック(b2)をそれぞれ1つずつ有するものであってもよいし、重合体ブロック(b1)及び/又は重合体ブロック(b2)を2つ以上有するものであってもよい。該ブロック共重合体の結合様式としては、b1-b2型ジブロック共重合体、b1-b2-b1型トリブロック共重合体、b2-b1-b2型トリブロック共重合体、b1-b2-b1-b2型テトラブロック共重合体やb2-b1-b2-b1型テトラブロック共重合体に代表される線状マルチブロック共重合体、(b2-b1-)n、(b1-b2-)n等で表される星型(ラジアルスター型)ブロック共重合体などが挙げられる。nは2より大きい値である。
前記ポリビニルアルコールの粘度平均重合度(JIS K 6726(1994)に準拠して測定)は特に限定されず、好ましくは100~10,000、より好ましくは200~7,000、さらに好ましくは300~5,000である。前記粘度平均重合度が前記範囲内であると、得られる樹脂組成物の機械的強度が優れる。ビニルアルコール系重合体(B-1)においては、共重合体(B)の所望の数平均分子量に応じて前記平均重合度を調整すればよい。
共重合体(B)は、ジエン系重合体(B-2)領域を含む。ジエン系重合体(B-2)の構造は特に限定されないが、ジエン系重合体(B-2)がオレフィン構造を有することが好ましい。ジエン系重合体(B-2)がオレフィン構造を有することで、本発明の樹脂組成物は加熱による架橋又は加硫が可能となる。ジエン系重合体(B-2)としては、例えばポリブタジエン、ポリイソプレン、ポリイソブチレン、ポリクロロプレン、ポリファルネセン等が挙げられる。これらは、1種を単独で用いてもよく、2種以上を併用してもよい。また、ジエン系重合体(B-2)は、ブタジエン、イソプレン、イソブチレン、クロロプレン及びファルネセンからなる群より選択される2種以上の単量体の共重合体であってもよい。中でも、反応性及び柔軟性の観点から、ポリブタジエン、ポリイソプレン、ポリイソブチレンが好ましく、ポリイソプレンがより好ましい。なお、共重合体(B)は、本発明の効果を阻害しない範囲で、ビニルアルコール系重合体(B-1)領域とジエン系重合体(B-2)領域以外の構造単位を含んでいてもよい。
ある好適な実施形態では、本発明の樹脂組成物は、ビニルアルコール系重合体(A)をさらに含有する。ビニルアルコール系重合体(A)の種類は特に限定されないが、例えば、ポリビニルアルコール又はエチレン-ビニルアルコール共重合体が好適に用いられる。ビニルアルコール系重合体(A)における、ポリビニルアルコール又はエチレン-ビニルアルコール共重合体の、粘度平均重合度、けん化度、エチレン-ビニルアルコール共重合体におけるエチレン単位の含有率、及びメルトフローレートは、共重合体(B)においてビニルアルコール系重合体(B-1)として説明したポリビニルアルコール又はエチレン-ビニルアルコール共重合体のものと同様である。ビニルアルコール系重合体(A)及びビニルアルコール系重合体(B-1)は、各重合体を構成する構造単位、各重合体の粘度平均重合度、けん化度等が同じであってもよいし、異なっていてもよい。ビニルアルコール系重合体(A)は、ビニルアルコール系重合体(A)を構成する全構造単位に対してビニルアルコール単位の含有率が40mol%以上であることが好ましく、50mol%以上であっても、55mol%以上であってもよい。
本発明の樹脂組成物は、上記した共重合体(B)に加えて、フェノール系化合物(C)、アミン系化合物(D)及びリン系化合物(E)からなる群より選ばれる少なくとも1種の化合物を含む。
フェノール系化合物(C)の分子量としては、100以上2000以下が好ましく、樹脂組成物の熱安定性及び柔軟性の点から、150以上1500以下がより好ましく、160以上1200以下がさらに好ましい。フェノール系化合物(C)を用いることで、共重合体(B)のジエン系重合体(B-2)領域の酸化反応を特異的に抑制することができる。すなわち、共重合体(B)のジエン系重合体(B-2)領域におけるカルボニル基の生成を抑制することができる。そのため、共重合体(B)のジエン系重合体(B-2)領域に生成するカルボニル基と、ビニルアルコール系重合体(B-1)領域の水酸基との反応を生じさせず、さらにビニルアルコール系重合体(A)を含む場合には前記カルボニル基と、ビニルアルコール系重合体(A)の水酸基との反応も生じさせず、樹脂組成物の熱安定性に優れる。また、フェノール系化合物(C)と共重合体(B)とを用いることで、適度な柔軟性を樹脂組成物に付与できる。また、フェノール系化合物(C)を用いることで、樹脂組成物の変色を抑制できる。
で表される化合物が挙げられる。
アミン系化合物(D)の分子量としては、100以上2000以下が好ましく、樹脂組成物の熱安定性及び柔軟性の点から、150以上1500以下がより好ましく、160以上1200以下がさらに好ましい。アミン系化合物(D)を用いることで、共重合体(B)のジエン系重合体(B-2)領域の酸化反応を特異的に抑制することができる、すなわち、共重合体(B)のジエン系重合体(B-2)領域におけるカルボニル基の生成を抑制することができる。そのため、共重合体(B)のジエン系重合体(B-2)領域に生成するカルボニル基と、ビニルアルコール系重合体(B-1)領域の水酸基との反応を生じさせず、さらにビニルアルコール系重合体(A)を含む場合には前記カルボニル基と、ビニルアルコール系重合体(A)の水酸基との反応も生じさせず、樹脂組成物の熱安定性に優れる。また、アミン系化合物(D)と共重合体(B)とを用いることで、適度な柔軟性を樹脂組成物に付与できる。さらに、アミン系化合物(D)は、少量であっても、前記カルボニル基の生成を抑制でき、樹脂組成物の熱安定性と柔軟性を高めることができる。
で表される化合物が挙げられる。
リン系化合物(E)の分子量としては、100以上2000以下が好ましく、樹脂組成物の熱安定性及び柔軟性の点から、150以上1500以下がより好ましく、160以上1200以下がさらに好ましい。リン系化合物(E)を用いることで、共重合体(B)のジエン系重合体(B-2)領域の酸化反応を特異的に抑制することができる。すなわち、共重合体(B)におけるカルボニル基の生成を抑制することができる。そのため、共重合体(B)のジエン系重合体(B-2)領域に生成するカルボニル基と、ビニルアルコール系重合体(B-1)領域の水酸基との反応を生じさせず、さらにビニルアルコール系重合体(A)を含む場合には前記カルボニル基と、ビニルアルコール系重合体(A)の水酸基との反応も生じさせず、樹脂組成物の熱安定性に優れる。また、リン系化合物(E)と共重合体(B)とを用いることで、適度な柔軟性を樹脂組成物に付与できる。さらに、リン系化合物(E)は、少量であっても、前記カルボニル基の生成を抑制でき、樹脂組成物の熱安定性と柔軟性を高めることができる。
で表される化合物が挙げられる。
後述する合成例のグラフト重合反応で得られた樹脂組成物を抽出溶媒(ポリビニルアルコールの場合:水、エチレン-ビニルアルコール共重合体の場合:水/イソプロパノール=4/6(質量比)混合)に添加し、80℃で3時間抽出処理を行った。抽出液を濃縮し、得られた抽出物、及び抽出されなかった残渣の質量をそれぞれ測定した。係る抽出物の質量が上記樹脂組成物に含まれるビニルアルコール系重合体(A)の質量(Waとする)であり、抽出されなかった残渣の質量が上記樹脂組成物に含まれるグラフト共重合体(B1)の質量(Wbとする)である。これらの質量から(A)/(B1)の質量比を算出した。なお、当該処理における抽出物がグラフト共重合体(B1)を含まず、ビニルアルコール系重合体(A)のみであることは、抽出物の1H-NMR分析から確認した。前記質量比の分母は、言い換えると、ビニルアルコール系重合体(A)とグラフト共重合体(B1)の合計100質量部に対するグラフト共重合体(B1)の含有率(質量%)である。
各合成例で得られた樹脂組成物の質量を「Wab」とし、Wabと、反応に使用したビニルアルコール系重合体(B-1)の質量の差を「Wq」とする。上述の方法で算出された樹脂組成物中のビニルアルコール系重合体(A)の質量を「Wa」とし、Wab-Waをグラフト共重合体(B1)の質量「Wb」とした。そして、Wb-Wqをビニルアルコール系重合体(B-1)領域からなる主鎖の質量とし、Wqをジエン系重合体(B-2)領域からなる側鎖の質量として、ビニルアルコール系重合体(B-1)領域からなる主鎖とジエン系重合体(B-2)領域からなる側鎖の合計質量に対するジエン系重合体(B-2)領域からなる側鎖の含有率を算出した。
原料のエチレン-ビニルアルコール共重合体のエチレン単位をa2質量%、ビニルアルコール単位をb2質量%とする。以下の計算式に従い、総変性量(実施例で得られた樹脂組成物の全単量体単位に対する、グラフト重合された単量体の含有量)を算出した。
変性量[mol%]=Z2/(X2+Y2+Z2)×100
上記式中、X2、Y2、Z2は以下の数式で算出される値である。
X2={(原料のエチレン-ビニルアルコール共重合体(質量部))×(a2/100)}/28
Y2={(原料のエチレン-ビニルアルコール共重合体(質量部))×(b2/100)}/44
Z2={(反応後の樹脂組成物(質量部))-(原料のエチレン-ビニルアルコール共重合体(質量部))}/(グラフト重合する単量体の分子量)
前述のWb(グラフト共重合体(B1)の質量)、Wb-Wq(グラフト共重合体(B1)におけるビニルアルコール系重合体からなる主鎖の質量)、b2(エチレン-ビニルアルコール共重合体におけるビニルアルコール単位の質量%)を用いて、以下の式に従い算出した。
ビニルアルコール単位の含有率[%]={(Wb-Wq)×b2/100}/Wb×100
各実施例及び比較例のコンパウンドを200℃で600秒プレス成形して、厚み100μmのフィルムを作製した。得られたフィルムをFT-IRを用いて以下の条件で分析し、1719cm-1(カルボニル基のピーク位置)にピークの生成を認めなかった場合は「○」、認めた場合は「×」と判定した。なお、ピーク生成の判定は、コンパウンド成形前の樹脂組成物のFT-IRスペクトルと、上記成形後のFT-IRスペクトルを重ね描きし、1719cm-1ピークの吸光度の差が0.01以上である場合に「ピーク生成を認めた」と判定した。
装置:フーリエ変換型赤外分光光度計 JIR-5500(日本電子株式会社製)
モード:減衰全反射(ATR)法
測定範囲:500~4000cm-1
積算回数:32回
各実施例及び比較例のコンパウンドを200℃で600秒プレス成形して、厚み100μmのフィルムを作製した。当該フィルムを幅10mmのダンベル型にカットし、20℃、30%RHの保管環境下で一週間調湿した後、オートグラフ(株式会社島津製作所製AG-5000B)を用いて引張弾性率と破断伸度を測定した(ロードセル1kN、引張速度500mm/min、チャック間距離70mm)。表に記載の数値は5回測定の平均値を採用した。
市販のエチレン-ビニルアルコール共重合体(株式会社クラレ製、F101、エチレン単位の含有率32mol%、エチレン質量分率23.0質量%)を粉砕した後、目開き425μmの篩と目開き710μmの篩を用いて分級された粒子(粒度分布が425~710μmの粒子)を得た。得られた粒子100質量部に電子線(30kGy)を照射した。次に、撹拌機、窒素導入管及び粒子の添加口を備えたオートクレーブに、イソプレン570質量部を仕込み、氷冷した状態で窒素バブリングをしながら30分間系内を窒素置換した。ここに電子線を照射したエチレン-ビニルアルコール共重合体を100質量部添加し、オートクレーブを密閉して内温が65℃になるまで加温、粒子が液中に分散した状態で4時間加熱撹拌を継続しグラフト重合を行った。その後、ろ別して粒子を回収し、粒子をテトラヒドロフランで洗浄した後、40℃で終夜真空乾燥することにより、エチレン-ビニルアルコール共重合体とグラフト共重合体を含む原料の樹脂組成物を得た。詳細を表1に示す。また、得られた樹脂組成物のFT-IR分析の結果を図1に示す。
市販のエチレン-ビニルアルコール共重合体(株式会社クラレ製、E105、エチレン単位の含有率44mol%、エチレン質量分率33.3質量%)を粉砕した後、目開き75μmの篩と目開き212μmの篩を用いて分級された粒子(粒度分布が75~212μmの粒子)を得た。得られた粒子100質量部に電子線(30kGy)を照射した。次に、撹拌機、窒素導入管及び粒子の添加口を備えたオートクレーブに、電子線を照射したエチレン-ビニルアルコール共重合体100質量部を添加し、系内に窒素を封入、脱圧する操作を5回繰り返して系内を窒素置換した。ここに液化ブタジエン250質量部を仕込み、オートクレーブを密閉して内温が65℃になるまで加温、そのまま4時間加熱撹拌を継続しグラフト重合を行った。その後、常温まで冷却した後、残留するブタジエンを除去した。得られた反応後の粒子をテトラヒドロフランで洗浄した後、40℃で終夜真空乾燥することにより、エチレン-ビニルアルコール共重合体とグラフト共重合体を含む重合体組成物を得た。詳細を表1に示す。
合成例1で得た重合体組成物99.5質量部と、アミン系化合物(D)としてN-フェニル-N'-(1,3-ジメチルブチル)-p-フェニレンジアミン0.5質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視でアミン系化合物(D)のブリードは見られなかった。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。また、得られたコンパウンドを成形したフィルムのFT-IR分析の結果を図2に示す。
合成例2で得た重合体組成物99.0質量部と、アミン系化合物(D)としてN-フェニル-N'-(1,3-ジメチルブチル)-p-フェニレンジアミン1.0質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視でアミン系化合物(D)のブリードは見られなかった。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。
合成例1で得た重合体組成物99.5質量部と、アミン系化合物(D)として2,3:5,6-ジベンゾ-1,4-チアジン0.5質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視でアミン系化合物(D)のブリードは見られなかった。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。
合成例1で得た重合体組成物99.5質量部と、アミン系化合物(D)としてN,N,N’N’-テトラメチル-p-ジアミノジフェニルメタン0.5質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視でアミン系化合物(D)のブリードは見られなかった。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。
合成例1で得た重合体組成物96.0質量部と、フェノール系化合物(C)としてジブチルヒドロキシトルエン4.0質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視でフェノール系化合物(C)のブリードは見られなかった。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。
合成例1で得た重合体組成物93.0質量部と、アミン系化合物(D)としてN-フェニル-N'-(1,3-ジメチルブチル)-p-フェニレンジアミン7.0質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視で、コンパウンドの表面に一部のアミン系化合物(D)がブリードしている様子が見られた。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。
合成例1で得た重合体組成物90.0質量部と、フェノール系化合物(C)として2-〔1-(2-ヒドロキシ-3,5-ジ-t-ペンチルフェニル)エチル〕-4,6-ジ-t-ペンチルフェニルアクリレート10.0質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視でフェノール系化合物(C)のブリードは見られなかった。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。
合成例1で得た重合体組成物99.0質量部と、リン系化合物(E)としてトリス(ノニルフェニル)ホスファイト1.0質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視でリン系化合物(E)のブリードは見られなかった。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。
合成例1で得た重合体組成物99.7質量部と、アミン系化合物(D)としてN-フェニル-N'-(1,3-ジメチルブチル)-p-フェニレンジアミン0.2質量部、リン系化合物(E)としてトリス(ノニルフェニル)ホスファイト0.1質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視で化合物(D)及び(E)のブリードは見られなかった。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。なお、表2において添加量[質量部]の欄には、上記アミン系化合物(D)及びリン系化合物(E)の合計質量を記載した。
市販のエチレン-ビニルアルコール共重合体(株式会社クラレ製、E105)と、アミン系化合物(D)として表2に記載の化合物を、表2に記載の質量比でドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。
合成例1で得た重合体組成物をラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。評価結果を表2に示す。また、得られたコンパウンドを成形した際のフィルムの小片を採取し測定したFT-IR分析の結果を図3に示す。図3に示されるように、FT-IR分析では、1719cm-1にピークの生成が認められた。なお、当該コンパウンドはゲル状物の生成が著しく、小片を用いたFT-IR分析は可能であったが、フィルム成形後の機械的強度の評価ができなかった。
合成例1で得た重合体組成物90.0質量部と、2-メルカプトベンズイミダゾール10.0質量部をドライブレンドした。これをラボプラストミルにて、190℃の温度で3分間溶融混練した後、溶融物を冷却固化させコンパウンドを得た。得られたコンパウンドにおいて目視で、コンパウンドの表面に一部の2-メルカプトベンズイミダゾールがブリードしている様子が見られた。該コンパウンドを用いて評価した各物性の評価結果を表2に示す。なお、当該コンパウンドはゲル状物の生成が著しく、小片を用いたFT-IR分析は可能であったが、フィルム成形後の機械的強度の評価ができなかった。
Claims (19)
- ビニルアルコール系重合体(B-1)領域とジエン系重合体(B-2)領域から構成される共重合体(B)と、フェノール系化合物(C)、アミン系化合物(D)及びリン系化合物(E)からなる群より選ばれる少なくとも1種の化合物を含む、樹脂組成物。
- 共重合体(B)がグラフト共重合体(B1)である、請求項1に記載の樹脂組成物。
- フェノール系化合物(C)、アミン系化合物(D)又はリン系化合物(E)の分子量が、100以上2000以下である、請求項1又は2に記載の樹脂組成物。
- 樹脂組成物100質量部において、フェノール系化合物(C)、アミン系化合物(D)及びリン系化合物(E)からなる群より選ばれる少なくとも1種の化合物を0.05~15質量部含有する、請求項1~3のいずれか一項に記載の樹脂組成物。
- さらにビニルアルコール系重合体(A)を含む、請求項1~4のいずれか一項に記載の樹脂組成物。
- フェノール系化合物(C)が一般式[I]で表される化合物であり、R1、R2及びR3が、炭素数1~6の炭化水素基である、請求項6に記載の樹脂組成物。
- フェノール系化合物(C)が一般式[II]で表される化合物であり、R4、R5、R6、及びR7が炭素数1~6の炭化水素基であり、Xが炭素数1~6の二価の炭化水素基であり、Yがアクリロイルオキシ基である、請求項6に記載の樹脂組成物。
- フェノール系化合物(C)が、ジブチルヒドロキシトルエン及び2-〔1-(2-ヒドロキシ-3,5-ジ-t-ペンチルフェニル)エチル〕-4,6-ジ-t-ペンチルフェニルアクリレートからなる群より選ばれる少なくとも1種である、請求項1~6のいずれか一項に記載の樹脂組成物。
- アミン系化合物(D)が、芳香族基を有するアミンである、請求項1~5のいずれか一項に記載の樹脂組成物。
- 前記芳香族基を有するアミンが、芳香環を2つ以上含む2級アミン又は芳香環を2つ以上含む3級アミンである、請求項10に記載の樹脂組成物。
- 前記芳香環を2つ以上含む2級アミンが、ジアリールアミン骨格を有するアミンである、請求項11に記載の樹脂組成物。
- ジアリールアミン骨格を有するアミンが、4,4’-ビス(α、α-ジメチルベンジル)ジフェニルアミン、N-フェニル-N'-イソプロピル-p-フェニレンジアミン、N-フェニル-N'-(1,3-ジメチルブチル)-p-フェニレンジアミン、2,3:5,6-ジベンゾ-1,4-チアジン、及びN,N,N’N’-テトラメチル-p-ジアミノジフェニルメタンからなる群より選ばれる少なくとも1種である、請求項13に記載の樹脂組成物。
- リン系化合物(E)が、三価の亜リン酸エステルである、請求項1~5のいずれか一項に記載の樹脂組成物。
- フェノール系化合物(C)及びアミン系化合物(D)からなる群より選ばれる少なくとも1種の化合物と、リン系化合物(E)を含む、請求項1~15のいずれか一項に記載の樹脂組成物。
- フェノール系化合物(C)及びアミン系化合物(D)からなる群より選ばれる少なくとも1種の化合物の質量(WCD)と、リン系化合物(E)の質量(WE)の質量比(WCD/WE)が90/10~50/50である、請求項16に記載の樹脂組成物。
- アミン系化合物(D)と、リン系化合物(E)を含む、請求項16に記載の樹脂組成物。
- 請求項1~18のいずれか一項に記載の樹脂組成物を含む、フィルム。
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US17/275,345 US20220049082A1 (en) | 2018-09-12 | 2019-09-12 | Resin composition and molded body thereof |
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JPH0321611A (ja) * | 1989-06-19 | 1991-01-30 | Nippon Unicar Co Ltd | 成形可能な樹脂混練物 |
JPH0321613A (ja) * | 1989-06-19 | 1991-01-30 | Nippon Unicar Co Ltd | 形状記憶性弾性体 |
JP2005534783A (ja) * | 2002-08-07 | 2005-11-17 | チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド | ポリプロピレン用ベータ−造核・光安定剤 |
WO2015190029A1 (ja) | 2014-06-12 | 2015-12-17 | 株式会社ブリヂストン | グラフト共重合体、樹脂組成物、被膜、積層体及びタイヤ |
WO2019004455A1 (ja) * | 2017-06-30 | 2019-01-03 | 株式会社クラレ | 樹脂組成物及びその製造方法 |
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2019
- 2019-09-12 KR KR1020217004042A patent/KR20210057009A/ko not_active Withdrawn
- 2019-09-12 JP JP2020546205A patent/JPWO2020054820A1/ja active Pending
- 2019-09-12 WO PCT/JP2019/035969 patent/WO2020054820A1/ja active Application Filing
- 2019-09-12 US US17/275,345 patent/US20220049082A1/en not_active Abandoned
- 2019-09-12 CN CN201980058337.9A patent/CN112639019A/zh active Pending
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JPS4121994B1 (ja) | 1964-03-16 | 1966-12-22 | ||
JPS4516460B1 (ja) * | 1965-01-13 | 1970-06-08 | ||
JPS4517439B1 (ja) * | 1965-01-13 | 1970-06-16 | ||
JPH0321611A (ja) * | 1989-06-19 | 1991-01-30 | Nippon Unicar Co Ltd | 成形可能な樹脂混練物 |
JPH0321613A (ja) * | 1989-06-19 | 1991-01-30 | Nippon Unicar Co Ltd | 形状記憶性弾性体 |
JP2005534783A (ja) * | 2002-08-07 | 2005-11-17 | チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド | ポリプロピレン用ベータ−造核・光安定剤 |
WO2015190029A1 (ja) | 2014-06-12 | 2015-12-17 | 株式会社ブリヂストン | グラフト共重合体、樹脂組成物、被膜、積層体及びタイヤ |
WO2019004455A1 (ja) * | 2017-06-30 | 2019-01-03 | 株式会社クラレ | 樹脂組成物及びその製造方法 |
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WO2020262634A1 (ja) * | 2019-06-28 | 2020-12-30 | 株式会社クラレ | 樹脂組成物 |
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