WO2013168679A1 - ブロック共重合体組成物、およびシート - Google Patents
ブロック共重合体組成物、およびシート Download PDFInfo
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- WO2013168679A1 WO2013168679A1 PCT/JP2013/062778 JP2013062778W WO2013168679A1 WO 2013168679 A1 WO2013168679 A1 WO 2013168679A1 JP 2013062778 W JP2013062778 W JP 2013062778W WO 2013168679 A1 WO2013168679 A1 WO 2013168679A1
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- WIPO (PCT)
- Prior art keywords
- block copolymer
- molecular weight
- copolymer composition
- mass
- block
- Prior art date
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- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
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- 239000000377 silicon dioxide Substances 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Classifications
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Definitions
- the present invention relates to a block copolymer composition and a sheet.
- Block copolymers made of vinyl aromatic hydrocarbons and conjugated dienes are widely used in various packaging materials such as food containers, beverage containers, industrial containers (including various trays), and blister packs.
- the packaging material is required to have a design property, and the inner packaging needs to be clearly visible, and excellent transparency and gloss are required for the packaging material.
- a block copolymer comprising a vinyl aromatic hydrocarbon and a conjugated diene may be used as a packaging material by mixing a vinyl aromatic hydrocarbon polymer. Transparency is required.
- Patent Documents 1 and 2 describe that use of a block copolymer composed of a vinyl aromatic hydrocarbon having a specific polymer structure and a conjugated diene is effective in solving the problem.
- thermoforming such as vacuum forming, pressure forming, press forming and the like.
- These manufacturing processes include the off-line form in which the sheet is formed, wound and stored in a roll state, and then the sheet is again drawn from the roll and thermoformed to obtain a molded product, and after the sheet is formed, storage in the roll state is not involved.
- thermoforming such as vacuum forming, pressure forming, press forming and the like.
- These manufacturing processes include the off-line form in which the sheet is formed, wound and stored in a roll state, and then the sheet is again drawn from the roll and thermoformed to obtain a molded product, and after the sheet is formed, storage in the roll state is not involved.
- There is an in-line format in which a molded product is obtained by immediately thermoforming. In the offline format, the sheet is stored for a long time in a roll state in which the sheets are in contact with each other.
- Patent Documents 3 to 5 describe the use of hydrocarbon waxes in the block copolymer as a means for effectively preventing blocking.
- the contact surfaces of the molded products may be caught when separated and used again (hereinafter referred to as “stacking”). May be abbreviated as ".”
- This phenomenon is likely to occur when using block copolymers consisting of vinyl aromatic hydrocarbons and conjugated dienes, especially as the packaging material becomes deeper or more complicated in shape. Since the area increases and separation becomes difficult, excellent anti-stacking performance is required. In recent years, since packaging materials with complex shapes have increased, it has been desired for materials to realize better anti-stacking performance.
- the present invention provides a material having a better balance of physical properties, which has superior anti-blocking performance and anti-stacking performance, and is excellent in the above characteristics even when a vinyl aromatic hydrocarbon polymer is mixed and used. For the purpose.
- the present invention relates to a block copolymer composition
- a block copolymer composition comprising a vinyl aromatic hydrocarbon and a conjugated diene, having a molecular weight peak in a molecular weight range of 150,000 to 300,000 and containing a tapered block
- the conjugated diene content in the block copolymer component (II) having a molecular weight peak in the range of 50,000 to 140000 and containing a tapered block is 30 to 20% by mass.
- a block copolymer composition having a molecular weight peak area ratio (I) / (II) of 20/80 to 80/20, more preferably a block copolymer component (I) having a molecular weight of 180,000 to 50% by mass.
- the block copolymer component (II) has a molecular weight peak in the molecular weight range of 60,000 to 100,000, contains a tapered block, has a conjugated diene content of 30 to 40% by mass, and further has a molecular weight A block copolymer composition having a peak area ratio (I) / (II) of 40/60 to 60/40.
- the block copolymer component (I) contains a vinyl aromatic hydrocarbon polymer block portion having a molecular weight of 80,000 to 150,000, and the block copolymer component (II) has a molecular weight of 5,000 to 40,000. It is a block copolymer composition containing a polymerization block portion of hydrocarbon. Furthermore, the present invention provides the block copolymer composition with a total amount of hydrocarbon wax alone or at least one selected from hydrocarbon wax and stearyl stearate, monoglyceride stearate, erucic acid amide, and behenic acid amide in the block copolymer composition.
- the hydrocarbon wax is preferably a microcrystalline wax having a melting point of 60 to 120 ° C., a synthetic wax, or a mixture of a microcrystalline wax and a synthetic wax.
- the block copolymer composition contains 0.03 to 0.5% by mass, and more preferably, the hydrocarbon wax has a melting point of 80 to 110 ° C., and the stearic acid. Stearyl, stearic acid monoglyceride, erucic acid amide, behen
- the total amount of lubricant selected from amide Whereas block copolymer composition, a block copolymer composition is 0.03 to 0.5 mass%.
- the present invention is a resin composition in which the block copolymer composition and the vinyl aromatic hydrocarbon polymer are mixed at a mass ratio of 30/70 to 100/0, and a sheet using the material described above, As well as its container.
- the block copolymer composition of the present invention when the block copolymer composition is used alone, the block copolymer composition and a vinyl aromatic hydrocarbon polymer are mixed and used. In any case, excellent transparency, gloss, strength, rigidity, and moldability can be realized. Furthermore, in addition to the above characteristics, it is also possible to achieve better anti-blocking performance and anti-stacking performance in the use of sheets and molded products, making it easier to manufacture and use packaging materials of various shapes. .
- the block copolymer composition of the present invention comprises a block copolymer comprising a vinyl aromatic hydrocarbon and a conjugated diene as constituent elements.
- vinyl aromatic hydrocarbon used in the block copolymer of the present invention examples include styrene, o-methylstyrene, p-methylstyrene, p-tert-butylstyrene, 2,4-dimethylstyrene, and 2,5-dimethyl.
- Styrene, ⁇ -methyl styrene, vinyl naphthalene, vinyl anthracene and the like can be mentioned, among which styrene is preferable.
- Conjugated dienes used in the block copolymer of the present invention include 1,3-butadiene, 2-methyl-1,3-butadiene (isoprene), 2,3-dimethyl-1,3-butadiene, 1,3- Examples thereof include pentadiene and 1,3-hexadiene, among which 1,3-butadiene and isoprene are preferable.
- the block copolymer of the present invention is produced by polymerizing vinyl aromatic hydrocarbon and conjugated diene monomers in a dehydrated organic solvent using an organolithium compound as an initiator and optionally a randomizing agent.
- organic solvents include aliphatic hydrocarbons such as butane, pentane, hexane, isopentane, heptane, octane and isooctane, alicyclic hydrocarbons such as cyclohexane, methylcyclohexane and ethylcyclohexane, and aromatics such as benzene, toluene, ethylbenzene and xylene.
- Group hydrocarbons can be used, and among them, cyclohexane is preferable.
- An organolithium compound is a compound in which one or more lithium atoms are bonded in the molecule, for example, a monofunctional compound such as ethyllithium, n-propyllithium, n-butyllithium, sec-butyllithium, tert-butyllithium, etc.
- a monofunctional compound such as ethyllithium, n-propyllithium, n-butyllithium, sec-butyllithium, tert-butyllithium, etc.
- polyfunctional organolithium compounds such as hexamethylene dilithium, butadienyl dilithium, isoprenyl dilithium, and the like can be used. Of these, n-butyllithium is preferred.
- Tetrahydrofuran is mainly used as the randomizing agent.
- ethers, amines, thioethers, phosphoramides, alkylbenzene sulfonates, potassium or sodium alkoxides, and the like can also be used.
- ethers include dimethyl ether, diethyl ether, diphenyl ether, diethylene glycol dimethyl ether, diethylene glycol dibutyl ether, and the like.
- amines tertiary amines such as trimethylamine, triethylamine, tetramethylethylenediamine, and internal cyclic amines can be used.
- triphenylphosphine, hexamethylphosphoramide, potassium alkylbenzenesulfonate (or sodium), potassium (or sodium) butoxide, and the like can be used as the randomizing agent.
- the addition amount of these randomizing agents is 10 parts by mass or less and preferably 0.001 to 8 parts by mass with respect to 100 parts by mass of all charged monomers.
- the addition time may be before the start of the polymerization reaction or during the polymerization. Further, it can be added as required.
- the block copolymer solution thus obtained has a block copolymer inactivated by adding a sufficient amount of a polymerization terminator such as water, alcohol or carbon dioxide to inactivate the active terminal. Activated.
- a method for recovering the block copolymer from this block copolymer solution a method of depositing this solution in a poor solvent such as methanol and the like, a method of evaporating the solvent with a heating roll or the like (a drum dryer method) ), A method of removing the solvent with a vent type extruder after concentrating the solution with a concentrator, a method of dispersing the solution in water and blowing the water vapor to remove the solvent by heating (steam stripping method). used.
- the mixing method is to blend the solvent-removed block copolymers with each other, and then knead and mix while charging into an extruder and melting.
- the block copolymer composition of the present invention can contain various additives as required.
- the main additives include plasticizers, antioxidants, anti-mold agents, lubricants, antistatic agents, antifogging agents, pigments and the like.
- Plasticizers include paraffin oil, nujol, mineral oil, mineral spirit, mineral turpentine, white oil, white spirit, white mineral oil, petroleum spirit, mineral thinner, petrolium spirit, water paraffin, mineral oil white. Etc. can be used.
- antioxidants examples include 2-tert-butyl-6- (3-tert-butyl-2-hydroxy-5-methylbenzyl) -4-methylphenyl acrylate, 2- [1- (2-hydroxy-3 , 5-di-tert-pentylphenyl) ethyl] -4,6-di-tert-pentylphenyl acrylate, n-octadecyl-3- (4-hydroxy-3,5-di-tert-butylphenyl) propionate, etc.
- Phosphorous antioxidants such as phenolic antioxidants, 2,2'-methylenebis (4,6-di-tert-butylphenyl) octyl phosphite, tris (2,4-di-tert-butylphenyl) phosphite Examples include agents.
- Antifungal agents include, for example, benzotriazole ultraviolet absorbers such as 2- (2-hydroxy-3-tert-butyl-5-methylphenyl) -5-chlorobenzotriazole and tetrakis (2,2,6,6- Examples include hindered amine type antifungal agents such as tetramethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate. Furthermore, the above-mentioned white oil and silicone oil can be added as a weathering agent.
- Lubricants include fatty acids, fatty acid esters, fatty acid amides, glycerin fatty acid esters (glycerides), sorbitan fatty acid esters, pentaerythritol fatty acid esters, sucrose fatty acid esters, propylene glycol fatty acid esters, and the like, as hydrocarbon waxes such as polyethylene wax and Fischer. Synthetic waxes such as Tropsch wax, and natural waxes such as paraffin wax and microcrystalline wax.
- the antistatic agent examples include anionic surfactants such as dinonylnaphthylsulfonic acid, cationic surfactants such as quaternary ammonium compounds, amphoteric surfactants, nonionic surfactants, and the like.
- anionic surfactants such as dinonylnaphthylsulfonic acid
- cationic surfactants such as quaternary ammonium compounds
- amphoteric surfactants such as quaternary ammonium compounds
- nonionic surfactants such as quaternary ammonium compounds
- amphoteric surfactants such as amphoteric surfactants, nonionic surfactants, and the like.
- An antistatic agent can be used in the range which does not impair antiblocking performance and stacking prevention performance.
- the antifogging agent examples include fatty acid esters of polyhydric alcohols such as glycerin fatty acid esters, polyglycerin fatty acid esters, sorbitan fatty acid esters, and ethylene oxide adducts thereof.
- fatty acid esters of polyhydric alcohols such as glycerin fatty acid esters, polyglycerin fatty acid esters, sorbitan fatty acid esters, and ethylene oxide adducts thereof.
- an antifogging agent the form kneaded in the inside of resin, the form apply
- the antifogging agent can be used as long as the antiblocking performance and the antistacking performance are not impaired.
- the block copolymer composition of this invention can be made to contain a filler as needed.
- the effects obtained by the addition of fillers mainly include high strength, high rigidity, anti-blocking performance, anti-stacking performance, lubricity, heat insulation, electrical conductivity, insulation, cost reduction, coloring, etc.
- Inorganic fillers, organic fillers, or both can be used depending on the purpose.
- Fillers include high impact polystyrene (HIPS), vinyl aromatic hydrocarbon- (meth) acrylic acid ester and / or (meth) acrylic acid copolymer cross-linked beads, vinyl aromatic hydrocarbon copolymer cross-linked beads And inorganic fillers such as silica beads and quartz beads.
- HIPS high impact polystyrene
- vinyl aromatic hydrocarbon- (meth) acrylic acid ester and / or (meth) acrylic acid copolymer cross-linked beads vinyl aromatic hydrocarbon copolymer cross-linked beads are used. It is preferable to use it.
- the mixing ratio is 10 parts by mass or less with respect to 100 parts by mass of the resin composition, preferably 0.05 to 5 parts by mass, and more preferably 0.1 to 3 parts by mass. These can be used as long as the appearance of various molded products is not impaired.
- the block copolymer composition of the present invention essentially comprises a block copolymer component (I) and a block copolymer component (II) having different structures.
- the block copolymer composition of the present invention contains a block copolymer component (I) having a molecular weight peak in the molecular weight range of 150,000 to 300,000 in the molecular weight distribution obtained by gel permeation chromatography measurement. When the molecular weight peak of the block copolymer component (I) is less than 150,000, the fluidity becomes too high and the molding processability is deteriorated.
- a vinyl aromatic hydrocarbon polymer block is contained in the block copolymer.
- the molecular weight of the polymer block When introduced, the molecular weight of the polymer block is lowered, leading to deterioration in transparency when used in combination with a vinyl aromatic hydrocarbon polymer. If it exceeds 300,000, the fluidity becomes too low and the molding processability is lowered.
- a more preferable molecular weight range of the block copolymer component (I) is from 180,000 to 290000.
- the conjugated diene content in the block copolymer component (I) is preferably 10 to 20% by mass, more preferably 10 to 15% by mass. If it is less than 10% by mass, the strength is excessively lowered and, when mixed with a block copolymer component having a high conjugated diene content, the compatibility is lowered and the transparency is deteriorated. If it exceeds 20% by mass, the rigidity will decrease too much, and when mixed with a vinyl aromatic hydrocarbon polymer, the compatibility will decrease and the transparency will deteriorate.
- the content of the conjugated diene in the block copolymer component can be obtained from a known general halogen addition method.
- a general halogen addition method after dissolving the sample in a solvent that can be completely dissolved, an excess amount of iodine monochloride / carbon tetrachloride solution is added and allowed to react sufficiently.
- a method of titrating iodine monochloride with a sodium thiosulfate / ethanol solution and calculating the conjugated diene content from the obtained double bond amount can be mentioned.
- the block copolymer composition of the present invention contains a block copolymer component (II) having a molecular weight peak in the molecular weight range of 50,000 to 140,000.
- a block copolymer component (II) having a molecular weight peak in the molecular weight range of 50,000 to 140,000.
- a more preferable molecular weight range of the block copolymer component (II) is 60,000 to 100,000.
- the conjugated diene content of the block copolymer component (II) is preferably 30 to 50% by mass, more preferably 30 to 40% by mass. If it is less than 30% by mass, the strength is excessively lowered. When it exceeds 50% by mass, the transparency is lowered, and the compatibility with the block copolymer component (I) is lowered, leading to deterioration of transparency.
- the block copolymer composition of the present invention contains the block copolymer component (I) and the block copolymer component (II).
- the block copolymer component (I) is excellent in rigidity and compatibility with the vinyl aromatic hydrocarbon polymer, and the block copolymer component (II) is excellent in reinforcement.
- the abundance ratio (mass ratio) of the block copolymer component (I) and the block copolymer component (II) is almost the same as the area ratio of the molecular weight peak in gel permeation chromatography, and these block copolymer components (I ) And (II) preferably have an area ratio (I) / (II) of 20/80 to 80/20, more preferably 40/60 to 60/40.
- the peak area ratio of the block copolymer component (I) is less than 20 or the peak area ratio of the block copolymer component (II) is more than 80, the rigidity will decrease too much. Compatibility with the polymer will be reduced, leading to deterioration of transparency.
- the peak area ratio of the block copolymer component (I) exceeds 80 or the peak area ratio of the block copolymer component (II) is less than 20, the strength is excessively lowered.
- the molecular weight of the vinyl aromatic hydrocarbon polymer block in the block copolymer component (I) is preferably 80,000 to 150,000. If it is less than 80000, the compatibility with the vinyl aromatic hydrocarbon-based copolymer is lowered, and if it is more than 150,000, the compatibility with the block copolymer component (II) is lowered, both of which lead to deterioration of transparency. .
- the vinyl aromatic hydrocarbon polymerization block preferably has a vinyl aromatic hydrocarbon content of 90% by mass or more. When it is less than 90% by mass, the compatibility with the vinyl aromatic hydrocarbon polymer is lowered, and the transparency is deteriorated. A more preferable range is 95% by mass or more, and further preferably 100% by mass.
- the molecular weight of the vinyl aromatic hydrocarbon polymer block portion in the block copolymer component (II) is preferably 5000 to 40000. When it is less than 5000 and when it exceeds 40000, it may lead to a decrease in strength, which is not preferable.
- the block copolymer component (I) and the block copolymer component (II) contained in the block copolymer composition of the present invention each have a composition ratio of vinyl aromatic hydrocarbon and conjugated diene from one end of the block. Contains a tapered block that changes to the other end.
- the monomer mass ratio (vinyl aromatic hydrocarbon / vinyl aromatic hydrocarbon) occupying the entire major tapered block in each block copolymer composition is not particularly limited, but is more approximate. It is preferable that the values are the same. When the difference in the monomer mass ratio of each block copolymer composition is increased, the compatibility is deteriorated and the transparency is easily lowered.
- the tapered block can be obtained by adding both vinyl aromatic hydrocarbon and conjugated diene monomers to the polymerization active terminal at the time of forming the block.
- the change (gradient) of the composition ratio in the tapered block can be adjusted by the mass ratio of vinyl aromatic hydrocarbon and conjugated diene charged at the time of batch addition, addition of a randomizing agent, and the like.
- the block copolymer of the present invention can take any of the following structures in order to realize the above structural features.
- A AC (B) CA (C) ACA (D) ABC (E) BCA (F) ABCA (G) A-C-C (H) CCA (I) ACCA (J) ABCCBCA (K) ABCCA (L) ACCBCA (M) ACX (N) ACCAX (O) ABCC (P) ABCAX
- A is a polymer block of vinyl aromatic hydrocarbon
- B is a polymer block of conjugated diene
- C is a copolymer block of vinyl aromatic hydrocarbon and conjugated diene, and from one end of the block to the other piece
- a tapered block in which the composition ratio between the vinyl aromatic hydrocarbon and the conjugated diene continuously and monotonously changes is shown at the end.
- X represents a coupling center.
- the combination of structures that the block copolymer components (I) and (II) of the present invention can take is preferably any of the following.
- the Vicat softening point temperature of the block copolymer composition of the present invention is not particularly limited, but preferably the Vicat softening point temperature measured at 10 N load is 60 to 100 ° C. according to ISO 306 (JIS K7206). is there.
- the temperature is lower than 60 ° C., the block copolymer composition alone is not easily blocked, and it also leads to a decrease in molding processability. If the temperature exceeds 100 ° C., the strength of the block copolymer composition is undesirably reduced, and high-temperature molding occurs, resulting in a decrease in molding processability.
- a more preferable range of the Vicat softening point temperature is 70 to 90 ° C.
- the bending strength of the block copolymer composition of the present invention is not particularly limited, but the maximum bending stress (bending strength) that the specimen can withstand when measured at a test speed of 2 mm / min according to ISO 178 (JIS K7171). ) Is 20 to 60 MPa. If it is less than 20 MPa, the rigidity is excessively lowered, which leads to a decrease in molding processability when the sheet is thermoformed, and if it exceeds 60 MPa, it leads to a decrease in flexibility and strength of the molded product, which is not preferable. . A more preferable range of the bending strength is 30 to 50 MPa.
- the haze value of the block copolymer composition of the present invention is not particularly limited, but the haze value measured according to ISO14782 (JIS K7136) is preferably 7 or less. When it exceeds 7, when a vinyl aromatic hydrocarbon is mixed in the block copolymer composition, the transparency is significantly lowered, which is not preferable. A more preferable range of the haze value is 5 or less.
- the gloss of the block copolymer composition of the present invention is not particularly limited, but preferably, the gloss value measured according to JIS K7105 is 150 or more. If it is less than 150, it leads to a decrease in macroscopic glossiness and a decrease in transparency, and the design property is deteriorated. A more preferable range of the gloss value is 160 or more.
- the block copolymer composition of the present invention comprises a hydrocarbon-based wax alone or a hydrocarbon-based wax and stearic acid in order to effectively provide anti-blocking performance and anti-stacking performance required for various packaging materials.
- a lubricant selected from stearyl, stearic acid monoglyceride, erucic acid amide, and behenic acid amide can be used in combination.
- Lubricants other than the above-mentioned hydrocarbon waxes may be used alone or in combination of two or more.
- the addition amount of the initial lubricant the total addition amount in the block copolymer composition is preferably 0.03 to 1.0% by mass, and more preferably, the hydrocarbon wax is 0.03 to 0%.
- the total amount of lubricant selected from 0.5% by mass, stearyl stearate, monoglyceride stearate, erucic acid amide, and behenic acid amide is 0.03 to 0.5% by mass. If it is less than 0.03% by mass, the anti-blocking performance, the anti-stacking performance, or both of them will not be fully expressed, and if it exceeds 0.5% by mass, the bleed-out of lubricant to the surface of the molded product tends to be excessive. The risk of poor appearance increases.
- the hydrocarbon wax mainly includes natural waxes such as paraffin wax and microcrystalline wax in addition to the above-mentioned synthetic waxes such as polyethylene wax and Fischer-Tropsch wax.
- Paraffin wax, microcrystalline wax, and synthetic wax are preferable, and microcrystalline wax, synthetic wax, or a mixture thereof is more preferable.
- the block copolymer composition of the present invention preferably contains a hydrocarbon wax in order to efficiently obtain excellent anti-blocking performance. More preferably, it is any one of microcrystalline wax, synthetic wax, and a mixture of microcrystalline wax and synthetic wax having a melting point of 60 to 120 ° C., and more preferably, the melting point of the hydrocarbon wax is 80 to 110 ° C. . When the melting point is below 60 ° C., sufficient anti-blocking performance cannot be obtained, and when it exceeds 120 ° C., the transferability of the lubricant to the surface of the molded product is lowered, which is not preferable.
- the block copolymer composition of the present invention uses at least one lubricant selected from stearic acid monoglyceride, stearyl stearate, erucic acid amide, and behenic acid amide for efficiently obtaining excellent anti-stacking performance. It is preferable to do. Even with the above-mentioned hydrocarbon wax, a certain level of anti-stacking performance can be obtained, so it can be used for general-purpose packaging materials, but in special applications such as packaging materials with deep grooves or complex shapes, molding is possible. Since the contact area between products increases and high anti-stacking performance is required, application becomes difficult. More preferably, the hydrocarbon wax is used in combination with at least one lubricant selected from monoglyceride stearate, stearyl stearate, erucic acid amide, and behenic acid amide.
- the block copolymer composition of the present invention is necessary for the purpose of imparting antistatic performance and improving separation performance between molded products within the range that does not impair the antiblocking performance, antistacking performance, and appearance. Accordingly, the above-mentioned antistatic agents can be used.
- the addition amount of the antistatic agent is preferably 0.03 to 3% by mass in the block copolymer composition. If it is less than 0.03% by mass, sufficient antistatic performance cannot be obtained, and if it exceeds 3% by mass, the antistatic agent is excessively bleed out, which tends to deteriorate the appearance, which is not preferable.
- the block copolymer composition thus obtained can be used by mixing a vinyl aromatic hydrocarbon polymer if necessary, and can be mixed in the block copolymer composition / vinyl aromatic carbonization.
- the mass ratio of the hydrogen-based polymer is 30/70 to 100/0. When the mass ratio of the block copolymer composition is less than 30, the strength is excessively lowered and cannot be put to practical use.
- vinyl aromatic hydrocarbon polymer examples include vinyl aromatic hydrocarbon polymers, copolymers of vinyl aromatic hydrocarbons and acrylate esters, vinyl Examples thereof include copolymers of aromatic hydrocarbons and methyl methacrylate, and typical examples include polystyrene, styrene / n-butyl acrylate copolymers, and styrene / methyl methacrylate copolymers. Among them, polystyrene is a particularly common one.
- the block copolymer composition of the present invention can be suitably used for various molded articles, either alone or as a mixture with a vinyl aromatic hydrocarbon polymer.
- a manufacturing method of a molded product a known T-die method, an inflation method using a ring die, a casting method, a calendar method, or the like is used, and a known vacuum forming method, pressure forming method, press forming method, hot plate forming Examples thereof include a method of forming various molded articles by a thermoforming method such as a method, or a method of forming various molded articles by a known injection molding method.
- it can be used in applications in which molded products are stored in layers.
- the sheet using the resin composition comprising the block copolymer composition of the present invention and a vinyl aromatic hydrocarbon polymer is not particularly limited in thickness, but is generally in the range of 0.05 mm to 5 mm. Can be used in When the thickness is less than 0.05 mm, the rigidity and strength of the sheet are excessively lowered. When the thickness is more than 5 mm, it is difficult to thermo-mold the sheet into various molded products, and the sheet cannot be put into practical use. A more preferable thickness is 0.1 mm to 1.5 mm.
- the resin composition comprising the block copolymer composition of the present invention and a vinyl aromatic hydrocarbon polymer is a vinyl aromatic hydrocarbon mainly considering the balance of strength, rigidity, cost, etc. required for the packaging material.
- the addition amount of the system polymer is selected. Regardless of the amount of vinyl aromatic hydrocarbon polymer added, the physical properties that are important are haze, gloss, and the like.
- the haze value in a 0.6 mm-thick sheet is preferably 7% or less, and more preferably 5% or less. If the haze value exceeds 7%, the macroscopic transparency is remarkably lowered, and the design property is lowered.
- the gloss value in a 0.6 mm thick sheet is preferably 150 or more, more preferably 160 or more.
- a gloss value of less than 150 is not preferable because it leads to a decrease in macroscopic glossiness and a decrease in transparency, resulting in a decrease in design properties.
- the tensile elongation in the production direction of the sheet measured at a tensile speed of 10 mm / min in a 0.6 mm thick sheet of tensile elongation is It is preferably 20% or more. If it is less than 20%, the strength of the sheet is poor and it is difficult to put it to practical use.
- a more preferable range of the tensile elongation is 50% or more.
- the tensile elastic modulus in the production direction of the sheet measured at a tensile speed of 10 mm / min in a 0.6 mm thick sheet is 500 to 2500 MPa. It is preferable that the pressure is 1000 to 2000 MPa. When it is less than 500 MPa, the rigidity of the sheet and the glass transition temperature are excessively lowered, which leads to a decrease in molding processability. If it exceeds 2500 MPa, the strength of the sheet will be too low, making it difficult to put it into practical use.
- a 0.6 mm thick sheet has an impact strength of 2 to 10 kJ / m using an impactor having a radius of 10 mm according to ASTM D-3420. Preferably there is. When it is less than 2 kJ / m, the impact strength is excessively decreased, and when it exceeds 10 kJ / m, the rigidity of the sheet is excessively decreased, which leads to a decrease in molding processability.
- a more preferable range of impact strength is 2 to 7 kJ / m.
- Reference Example 4 (block copolymer (D)) and Reference Example 11 (block copolymer (K)) were prepared with reference to the production method of Reference Example 2. The amount of each raw material charged is shown in Table 1.
- Reference Example 7 (block copolymer (G)) and Reference Example 8 (block copolymer (H)) were prepared with reference to the production method of Reference Example 3. The amount of each raw material charged is shown in Table 1.
- Reference Example 15 (block copolymer (O)) was prepared with reference to the production method of Reference Example 9. The amount of each raw material charged is shown in Table 1.
- Reference Example 12 Block Copolymer (L)
- Reference Example 13 Block Copolymer (M)
- Reference Example 14 Block Copolymer (N)
- the amount of each raw material charged is shown in Table 1.
- A1 and A2 are polystyrene blocks
- B is a polybutadiene block
- C is a tapered block made of styrene and butadiene
- Cr is a random block made of styrene and butadiene
- X is a coupling center Respectively.
- the molecular weight of each block copolymer, the proportion of conjugated diene in the block copolymer, and the molecular weight of the vinyl aromatic hydrocarbon polymer block portion were measured according to the method described later.
- the molecular weight of the block copolymer was measured using the following GPC measuring apparatus and conditions.
- Device name High-speed GPC device HLC-8220 (manufactured by Tosoh Corporation) Column: 3 PL gel MIXED-B in series Temperature: 40 ° C Detection: Differential refractive index Solvent: Tetrahydrofuran Concentration: 2% by mass
- Calibration curve Prepared using standard polystyrene (manufactured by PL), and measured the molecular weight of the main component having a molecular weight in the range of 70,000 to 150,000 and a molecular weight peak in the range of 150,000 to 350,000 in terms of polystyrene. The weight average molecular weight was also measured under the same measurement conditions and measured in terms of polystyrene.
- the content% by mass of the conjugated diene in the block copolymer was measured by the following method. (1) 0.1 g of sample was dissolved in 50 mL of chloroform. (2) After adding 25 mL of iodine monochloride / carbon tetrachloride solution and mixing well, it was left in the dark for 1 hour. (3) 75 mL of 2.5% potassium iodide solution was added and mixed well. (4) A 20% sodium thiosulfate / ethanol solution was added with sufficient stirring until the color of the liquid became light yellow.
- the molecular weight of the polymerization block portion of the vinyl aromatic hydrocarbon in the block copolymer was determined by measuring the obtained vinyl aromatic hydrocarbon block component with a GPC measurement apparatus by the osmium acid decomposition method. In addition, about the low molecular weight component, it measured with the GPC measuring apparatus using a low molecular weight column.
- the block copolymers (A) to (O) are prepared by blending two or more kinds in the form of a polymerization solution after polymerization, and then removing the solvent using a direct-removable extruder. A composition was obtained.
- the general physical properties of the block copolymer composition are summarized in Table 2 and Table 3.
- the proportion of the conjugated diene in the block copolymer composition was measured according to the above method, and the haze, tensile fracture nominal strain, flexural modulus, Vicat softening point temperature, and flexural strength were measured according to the following methods.
- the Vicat softening point temperature of the block copolymer composition was measured using a 148 HDA Heat Distortion Tester (manufactured by Yasuda Seiki Seisakusho Co., Ltd.) according to ISO 306 (JIS K7206) at a load of 10N.
- the bending strength of the block copolymer composition is Bend Graph II (manufactured by Toyo Seiki Co., Ltd.), and the maximum bending stress (bending) that the specimen can withstand when measured at a test speed of 2 mm / min according to ISO 178 (JIS K7171). Strength) was measured.
- the elongation (nominal tensile strain) of the block copolymer composition was measured according to ISO 527-2 (JIS K7161, 7162) using a tensile tester (manufactured by TS KK).
- the haze of the block copolymer composition was measured according to ISO 14782 (JIS K7136) using Haze Meter NDH300A (manufactured by Nippon Denshoku Industries Co., Ltd.).
- the tensile modulus of the sheet is dumbbell so that the production direction of the sheet (hereinafter abbreviated as MD) matches the tensile direction using a Tensilon universal testing machine RTG-1210 (manufactured by A & D Co., Ltd.). It was punched into a shape and measured at a tensile speed of 10 mm / min and a distance between chucks of 50 mm. Further, the elongation (elongation to break) of the sheet was measured together with the measurement of the tensile elastic modulus.
- MD production direction of the sheet
- RTG-1210 manufactured by A & D Co., Ltd.
- the sheet impact (sheet impact strength) was measured by using an impact tester (manufactured by Tester Sangyo Co., Ltd.) and punching with an impactor having a diameter of 10 mm according to ASTM D-3420.
- the HAZE of the sheet was measured according to ISO14782 (JIS K7136) using Haze Meter NDH2000 (manufactured by Nippon Denshoku Industries Co., Ltd.).
- an arbitrary lubricant was mixed into the block copolymer composition to prepare block copolymer compositions of Examples 5 to 10 shown in Table 4 and Comparative Examples 6 to 10 shown in Table 5.
- the mixing ratio of the block copolymer composition and polystyrene (Toyo Styrol GP grade name: G200C, manufactured by Toyo Styrene Co., Ltd.) (mass% of the block copolymer composition / mass% of polystyrene) is 70 mass% / 30 mass.
- a sheet extruder screw diameter: 40 mm, screw configuration: full flight type manufactured by Tanabe Plastics Machine Co., Ltd. Extruded from the die into a sheet.
- the extruded sheet was taken and cooled by two 50 ° C. rolls having a mirror finish, and a sheet having an average thickness of 0.30 mm was produced at a production rate of 1.9 m / min.
- the anti-blocking performance of the produced sheet was evaluated according to the following.
- the block copolymer composition and polystyrene (Toyostyrene GP grade name: G200C manufactured by Toyo Styrene Co., Ltd.) were used.
- the mixture ratio (mass% of the block copolymer composition / mass% of polystyrene) was sufficiently pellet blended at 60% by mass / 40% by mass, and a sheet extruder manufactured by Tanabe Plastics Machine Co., Ltd. (screw diameter: 40 mm, screw) Composition: full flight type) and extruded from a T-die having a lip gap of 0.65 mm while being melt-mixed at 200 ° C.
- the extruded sheet was taken and cooled by two 50 ° C. rolls having a mirror finish, and a sheet having an average thickness of 0.60 mm was produced at a production rate of 0.9 m / min.
- the produced sheet was vacuum-formed at 110 ° C. using a die mold for a tray with a depth of 19 mm using an air pressure vacuum forming machine for research and development manufactured by Asano Laboratories.
- the stacking prevention performance of the produced molded product was evaluated according to the following.
- Separation time is 7 seconds or less Possible: Separation time is 10 seconds or less Impossibility: Separation time is 11 seconds or more
- the block copolymer composition of the present invention is a material suitable for the production and use of various packaging materials of various shapes, and sheets using this material are food containers, beverage containers, industrial containers, blister packs. Can be used for etc. In addition, it can be suitably used in applications such as injection molding and profile extrusion.
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Abstract
Description
(a)A‐C
(b)C‐A
(c)A‐C‐A
(d)A‐B‐C
(e)B‐C‐A
(f)A‐B‐C‐A
(g)A‐C‐C
(h)C‐C‐A
(i)A‐C‐C‐A
(j)A‐B‐C‐B‐C‐A
(k)A‐B‐C‐C‐A
(l)A‐C‐B‐C‐A
(m)A‐C‐X
(n)A‐C‐A‐X
(o)A‐B‐C‐X
(p)A‐B‐C‐A‐X
ここで、Aはビニル芳香族炭化水素の重合ブロック、Bは共役ジエンの重合ブロック、Cはビニル芳香族炭化水素と共役ジエンの共重合ブロックであり、該ブロックの片末端から、もう一方の片末端にかけ、ビニル芳香族炭化水素と共役ジエンの組成比が連続的に単調変化するテーパードブロックを表す。また、Xはカップリング中心を表す。本発明のブロック共重合体成分(I)、(II)が取り得る構造の組み合わせは以下の何れかであることが、好ましい。
(イ)(I)A‐C‐A,(II)A‐C
(ロ)(I)A‐C‐A,(II)C‐A
(ハ)(I)A‐B‐C‐A,(II)A‐B‐C
(二)(I)A‐B‐C‐A,(II)B‐C‐A
(ホ)(I)A‐C‐C‐A,(II)A‐C‐C
(へ)(I)A‐C‐C‐A,(II)C‐C‐A
(ト)(I)A‐B‐C‐C‐A,(II)A‐B‐C
(チ)(I)A‐B‐C‐C‐A,(II)C‐A
(リ)(I)A‐B‐C‐C‐A,(II)C‐C‐A
(ヌ)(I)A‐C‐B‐C‐A,(II)A‐C
(ル)(I)A‐C‐B‐C‐A,(II)B‐C‐A
(ヲ)(I)A‐C‐X,(II)A‐C
(ワ)(I)A‐C‐A‐X,(II)A‐C‐A
(カ)(I)A‐B‐C‐X,(II)A‐B‐C
(ヨ)(I)A‐B‐C‐A‐X,(II)A‐B‐C‐A
(1)反応容器中に490kgのシクロヘキサンを仕込んだ。
(2)内温30℃で攪拌しながら、1640mLのn-ブチルリチウム(10質量%シクロヘキサン溶液)を添加し、12.0kgのスチレンモノマーを添加し、昇温させ重合させた。
(3)内温50℃で、36.5kgのブタジエンモノマーと、49.6kgのスチレンモノマーを添加し、内温が80℃を大きく超えない範囲で昇温し重合させた。
(4)内温60℃で、111.9kgのスチレンモノマーを添加し、重合させた。
(5)内温75℃で、33.7gのエポキシ化大豆油(ADEKA社製 アデカサイザーO-130P)を5Lのシクロヘキサンで希釈した溶液を添加し反応させ、重合を完結させた。
(1)反応容器中に250kgのシクロヘキサンを仕込んだ。
(2)内温30℃で攪拌しながら、750mLのn-ブチルリチウム(10質量%シクロヘキサン溶液)を添加し、34.0kgのスチレンモノマーを添加し、昇温させ重合させた。
(3)内温40℃で、12.0kgのブタジエンモノマーを添加し、重合させた。
(4)内温50℃で、54.0kgのスチレンモノマーを添加し、重合を完結させた。
(1)反応容器中に518kgのシクロヘキサンを仕込んだ。
(2)内温30℃で攪拌しながら、1360mLのn-ブチルリチウム(10質量%シクロヘキサン溶液)を添加し、9.1kgのスチレンモノマーを添加し、昇温させ重合させた。
(3)内温65℃で、3.6kgのブタジエンモノマーを添加し、昇温させ重合させた。
(4)内温40℃で、27.3kgのブタジエンモノマーと、23.3kgのスチレンモノマーを一括添加し、内温が80℃を大きく超えない範囲で昇温し重合させた。
(5)内温40℃で、118.7kgのスチレンモノマーを添加し、重合を完結させた。
(1)反応容器中に367.5kgのシクロヘキサンを仕込んだ。
(2)内温30℃で攪拌しながら、780mLのn-ブチルリチウム(10質量%シクロヘキサン溶液)を添加し、5.5kgのスチレンモノマーを添加し、昇温させ重合させた。
(3)内温40℃で、16.9kgのブタジエンモノマーと、22.8kgのスチレンモノマーを一括添加し、内温が70℃を大きく超えない範囲で昇温し重合させた。
(5)内温40℃で、112.3kgのスチレンモノマーを添加し、重合を完結させた。
(1)反応容器中に450kgのシクロヘキサンを仕込んだ。
(2)内温30℃で攪拌しながら、990mLのn-ブチルリチウム(10質量%シクロヘキサン溶液)を添加し、3.6kgのスチレンモノマーを添加し昇温させ重合させた。
(3)内温を80℃に保ちながら、総量156.6kgのスチレンモノマー、及び総量16.2kgのブタジエンモノマーを、それぞれ96.7kg/h、10.0kg/hの一定添加速度で両者を同時に添加させ、添加終了後も十分な時間その状態を保った。
(4)内温を78℃とし、3.6kgのスチレンモノマーを添加し、重合を完結させた。
(1)反応容器中に259kgのシクロヘキサンを仕込んだ。
(2)内温30℃で攪拌しながら、2020mLのn-ブチルリチウム(10質量%シクロヘキサン溶液)を添加し、9.1kgのスチレンモノマーを添加し昇温させ重合させた。
(3)内温60℃で、2.7kgのブタジエンモノマーを添加し、重合させた。
(4)内温40℃で、42.8kgのブタジエンモノマーと、36.4kgのスチレンモノマーを一括添加し、内温が70℃を大きく超えない範囲で昇温し重合を完結させた。
(1)反応容器中に270kgのシクロヘキサンを仕込んだ。
(2)内温30℃で攪拌しながら、3980mLのn-ブチルリチウム(10質量%シクロヘキサン溶液)を添加し、22.0kgのスチレンモノマーを添加し昇温させ重合させた。
(3)内温40℃で、45.0kgのブタジエンモノマーと、33.0kgのスチレンモノマーを一括添加し、内温が65℃を大きく超えない範囲で昇温し重合を完結させた。
ブロック共重合体の分子量は下記のGPC測定装置、及び条件で測定した。
装置名:高速GPC装置 HLC-8220(東ソー株式会社製)
カラム:PL gel MIXED-Bを3本直列
温度:40℃
検出:示差屈折率
溶媒:テトラヒドロフラン
濃度:2質量%
検量線:標準ポリスチレン(PL社製)を用いて作製し、ポリスチレン換算値で分子量70000~150000の範囲と、150000~350000の範囲に分子量ピークを有する主要成分のピーク分子量を測定した。また重量平均分子量についても、同様な測定条件のもと測定し、ポリスチレン換算値で測定した。
ブロック共重合体中の共役ジエンの含有質量%の測定は、下記の方法で測定した。
(1)試料0.1gをクロロホルム50mLに溶解させた。
(2)一塩化よう素/四塩化炭素溶液25mLを添加し十分混合した後、1時間暗所で放置した。
(3)2.5%よう化カリウム溶液を75mL加え、十分混合した。
(4)20%チオ硫酸ナトリウム/エタノール溶液を十分に攪拌しながら、液の色が淡黄色程度となる迄、添加した。
(5)1%デンプン指示薬を約0.5mL加え、再度、20%チオ硫酸ナトリウム/エタノール溶液で無色になるまで滴定した。
(6)滴定完了後、消費したチオ硫酸ナトリウム/エタノール溶液量a[mL]を計測した。
ブランクの測定による補正を実施すべく、(1)~(6)の操作をクロロホルム単味にも
実施し、消費したチオ硫酸ナトリウム/エタノール溶液量b[mL]を測定した。
共役ジエンの含有率は下記の式に従い、測定値より算出した。
共役ジエンの含有率(%)=[(b-a)×0.1×c×27/1000]/W×100
c:20%チオ硫酸ナトリウム/エタノール溶液の力価
W:試料量[g]
ブロック共重合体中のビニル芳香族炭化水素の重合ブロック部分の分子量は、前記のオスミウム酸分解法により、得られたビニル芳香族炭化水素ブロック成分を、GPC測定装置によって測定した。なお、低分子量成分については、低分子量カラムを用いたGPC測定装置により測定した。
ブロック共重合体組成物のビカット軟化点温度は148 HDA Heat Distortion Tester(安田精機製作所株式会社製)を使用し、ISO306(JIS K7206)に従い、10N荷重で測定した。
ブロック共重合体組成物の曲げ強度はベンドグラフII(東洋精機株式会社製)を使用し、ISO178(JIS K7171)に従い、試験速度2mm/minで測定した場合の試験片が耐える最大曲げ応力(曲げ強度)を測定した。
ブロック共重合体組成物の伸度(引張破壊呼び歪み)は、引張試験機(株式会社ティー・エス・イー製)を使用し、ISO527-2(JIS K7161、7162)に従い、測定した。
ブロック共重合体組成物のヘイズは、Haze Meter NDH300A(日本電色工業株式会社製)を使用し、ISO14782(JIS K7136)に従い、測定した。
シートの光沢は、Gloss Meter VG2000(日本電色工業株式会社製)を使用し、ISO2813(JIS Z8741)に従い、入射角60°における光沢値を測定した。
シートの引張弾性率は、テンシロン万能試験機 RTG‐1210(株式会社エー・アンド・デイ社製)を使用し、シートの生産方向(以下、MDと略す。)が引張方向と一致するよう、ダンベル状に打ち抜き、引張速度10mm/min、チャック間距離50mmで測定した。また、シートの伸度(破断までの伸度)は、前記した引張弾性率の測定時に併せて測定した。
シートインパクト(シート衝撃強度)は、インパクトテスター(テスター産業株式会社製)を使用し、ASTM D-3420に従い、直径10mmの衝撃子による打ち抜きを行ない、測定した。
シートのHAZEは、Haze Meter NDH2000(日本電色工業株式会社製)を使用し、ISO14782(JIS K7136)に従い、測定した。
シートの光沢は、Gloss Meter VG2000(日本電色工業株式会社製)を使用し、ISO2813(JIS Z8741)に従い、入射角60°における光沢値を測定した。
平均厚み0.30mmのシートを作製後、直径90mmの紙管に5分間連続して巻き取りロール状とした。同様の手法を用いて、各2本ずつロールを作製し、23℃環境下と40℃環境下にそれぞれ1本ずつ保管した。前記の所定温度環境下に24時間保管した後、取り出し、ロールからシートを剥がす際の剥離性について以下の基準に従い評価し、結果を表4および表5に表した。
良:シートを容易に剥離する事が可能であり、且つ剥離シートの外観に異常が無い。
可:シートを剥離する事が可能だが、剥離時の抵抗感、あるいは剥離時の異音を伴う。
不可:シートがブロッキングし、剥離時にキズ、または破断等の外観異常を伴う。
真空成形したトレーは、スタッキング防止性能の評価として、5枚重ねた状態で23℃環境下に24時間保管し、自重で重なり合ったトレーを人為的に個別分離するのに要した時間[秒]を測定した。さらに、23℃環境下で成形後7日間保管した部品トレーにおける分離秒数について、以下の基準に従いスタッキング防止性能の優劣を判定した。測定結果は、表4および表5に表した。
可:分離秒数が10秒以下
不可:分離秒数が11秒以上
Claims (13)
- ビニル芳香族炭化水素と共役ジエンからなるブロック共重合体組成物であって、分子量150000~300000の範囲に分子量ピークを有し、且つテーパードブロックを含有するブロック共重合体成分(I)における共役ジエンの含有率が10~20質量%であり、分子量50000~140000の範囲に分子量ピークを有し、且つテーパードブロックを含有するブロック共重合体成分(II)における共役ジエン含有率が30~50質量%であり、且つブロック共重合体組成物中に占めるブロック共重合体成分(I)とブロック共重合体成分(II)との分子量ピーク面積の比(I)/(II)が、20/80~80/20であることを特徴とするブロック共重合体組成物。
- ブロック共重合体成分(I)が、分子量180000~290000の範囲に分子量ピークを有し、且つ共役ジエンの含有率が10~15質量%であり、ブロック共重合体成分(II)が、分子量60000~100000の範囲に分子量ピークを有し、且つ共役ジエン含有率が30~40質量%であり、ブロック共重合体組成物中に占めるブロック共重合体成分(I)とブロック共重合体成分(II)との分子量ピークの面積比(I)/(II)が、40/60~60/40であることを特徴とする請求項1に記載のブロック共重合体組成物。
- ブロック共重合体成分(I)が、分子量80000~150000の範囲を満たすビニル芳香族炭化水素の重合ブロック部分を含有し、ブロック共重合体成分(II)が、5000~40000の分子量範囲を満たすビニル芳香族炭化水素の重合ブロック部分を含有することを特徴とする請求項1または請求項2に記載のブロック共重合体組成物。
- 炭化水素系ワックス単独、または炭化水素系ワックスと、ステアリン酸ステアリル、ステアリン酸モノグリセライド、エルカ酸アマイド、ベヘン酸アマイドより選ばれる少なくとも1種類以上とをブロック共重合体組成物中に、総量として0.03~1.0質量%含有することを特徴とする請求項1~3のいずれか一項に記載のブロック共重合体組成物。
- 炭化水素系ワックスが、融点60~120℃のマイクロクリスタリンワックス、合成ワックス、マイクロクリスタリンワックスと合成ワックスの混合物のいずれかであり、ブロック共重合体組成物中に、0.03~0.5質量%含有することを特徴とする請求項4記載のブロック共重合体組成物。
- 炭化水素系ワックスが、融点80~110℃であることを特徴とする請求項5記載のブロック共重合体組成物。
- ステアリン酸ステアリル、ステアリン酸モノグリセライド、エルカ酸アマイド、ベヘン酸アマイドより選ばれる滑剤をブロック共重合体組成物中、総量として0.03~0.5質量%含有することを特徴とする請求項4~6のいずれか一項に記載のブロック共重合体組成物。
- 請求項1~7のいずれか一項に記載のブロック共重合体組成物とビニル芳香族炭化水素系重合体が30/70~100/0の質量比で混合した樹脂組成物。
- 請求項1~7のいずれか一項に記載のブロック共重合体組成物を使用したシート。
- 請求項8に記載の樹脂組成物を使用したシート。
- 請求項1~7のいずれか一項に記載のブロック共重合体組成物を使用した容器。
- 請求項8に記載の樹脂組成物を使用した容器。
- 請求項9または請求項10に記載のシートを使用した容器。
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MX2014013421A MX362954B (es) | 2012-05-08 | 2013-05-02 | Composicion de copolimero de bloque y lamina. |
KR1020147034004A KR102036541B1 (ko) | 2012-05-08 | 2013-05-02 | 블록 공중합체 조성물 및 시트 |
US14/399,128 US9732215B2 (en) | 2012-05-08 | 2013-05-02 | Block copolymer composition, and sheet |
IN10034DEN2014 IN2014DN10034A (ja) | 2012-05-08 | 2013-05-02 | |
JP2014514712A JP6099637B2 (ja) | 2012-05-08 | 2013-05-02 | ブロック共重合体組成物、およびシート |
CN201380024337.XA CN104271666B (zh) | 2012-05-08 | 2013-05-02 | 嵌段共聚物组合物及片材 |
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JP2016069565A (ja) * | 2014-09-30 | 2016-05-09 | 日本ゼオン株式会社 | ブロック共重合体組成物およびフィルム |
JP2016222821A (ja) * | 2015-06-01 | 2016-12-28 | デンカ株式会社 | シュリンクフィルム用樹脂組成物、シュリンクフィルム及びシュリンクフィルムを装着した容器 |
CN106574097A (zh) * | 2014-06-06 | 2017-04-19 | 电化株式会社 | 含有嵌段共聚物的树脂组合物 |
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WO2023157557A1 (ja) | 2022-02-16 | 2023-08-24 | デンカ株式会社 | ブロック共重合体を含有するブロック共重合体組成物、ブロック共重合体樹脂組成物、成形体、シート及びフィルム |
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JP2017210586A (ja) * | 2016-05-27 | 2017-11-30 | デンカ株式会社 | 成形体 |
WO2023157557A1 (ja) | 2022-02-16 | 2023-08-24 | デンカ株式会社 | ブロック共重合体を含有するブロック共重合体組成物、ブロック共重合体樹脂組成物、成形体、シート及びフィルム |
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KR20150012273A (ko) | 2015-02-03 |
CN104271666A (zh) | 2015-01-07 |
CN104271666B (zh) | 2018-11-13 |
KR102036541B1 (ko) | 2019-10-25 |
TW201350514A (zh) | 2013-12-16 |
US9732215B2 (en) | 2017-08-15 |
TWI617590B (zh) | 2018-03-11 |
US20150152257A1 (en) | 2015-06-04 |
EP2848650B2 (en) | 2020-05-27 |
JP6099637B2 (ja) | 2017-03-22 |
MX2014013421A (es) | 2015-04-14 |
MX362954B (es) | 2019-02-27 |
EP2848650A1 (en) | 2015-03-18 |
SG11201407159PA (en) | 2014-12-30 |
EP2848650B1 (en) | 2017-11-08 |
JPWO2013168679A1 (ja) | 2016-01-07 |
IN2014DN10034A (ja) | 2015-08-14 |
EP2848650A4 (en) | 2015-12-30 |
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