WO2007119390A1 - 熱可塑性エラストマー組成物 - Google Patents
熱可塑性エラストマー組成物 Download PDFInfo
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- WO2007119390A1 WO2007119390A1 PCT/JP2007/055347 JP2007055347W WO2007119390A1 WO 2007119390 A1 WO2007119390 A1 WO 2007119390A1 JP 2007055347 W JP2007055347 W JP 2007055347W WO 2007119390 A1 WO2007119390 A1 WO 2007119390A1
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- block copolymer
- thermoplastic elastomer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/04—Reduction, e.g. hydrogenation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
Definitions
- the present invention relates to a thermoplastic elastomer composition.
- urethane-based thermoplastic elastomers and vulcanized rubbers have been used as elastic films having excellent stress relaxation properties and elastic recovery properties.
- a film made of a urethane-based thermoplastic elastomer has excellent stress relaxation properties and elastic recovery properties, but lacks flexibility and has problems with water resistance and weather resistance.
- films made of vulcanized rubber are flexible and excellent in stress relaxation and elastic recovery, but are low in productivity due to the need for vulcanization treatment and inferior in recyclability because they are not thermoplastic. It was.
- thermoplastic elastomer composition for a film that is flexible and excellent in stress relaxation and elastic recovery for example, [1] Elastomer-like block copolymer 20 to 80 weight 0 / 0, process oil 5 to 60 weight 0/0, the material (see Patent Document 1) consisting Biniruaren resin 3-60 wt 0/0; [2] and at least two polystyrene end blocks, Bulle content force 45 wt% or less block polymer 52-60 wt 0/0 and a central block of a hydrogenated polymerized diene, Oinore 19-28 weight 0/0, the thermoplastic polymer composition for elastomer first film comprising polystyrene 13-22 weight 0/0 Products (see Patent Document 2) have been proposed.
- Patent Document 1 Japanese Patent Publication No. 2003-509565
- Patent Document 2 Special Table 2003-509564
- An object of the present invention is to provide a thermoplastic elastomer composition that is excellent in stress relaxation, flexibility, weather resistance, and elastic recovery, and that solves the problems related to force. Means for solving the problem
- the object is to have at least two polymer blocks A mainly composed of vinyl aromatic compound units and at least one polymer block B mainly composed of conjugation units.
- thermoplastic elastomer composition excellent in stress relaxation, flexibility, weather resistance, and elastic recovery.
- the hydrogenated block copolymer (a) constituting the thermoplastic elastomer composition of the present invention comprises at least two polymer blocks A mainly composed of vinyl aromatic compound units and mainly composed of conjugated diene units. This is a hydrogenated block copolymer obtained by hydrogenating a block copolymer having at least one polymer block B.
- Examples of vinyl aromatic compound units constituting the polymer block A in the hydrogenated block copolymer (a) include styrene, monomethyl styrene, 2-methyl styrene, 3-methyl styrene, 4-methyl.
- Conjugated units constituting the polymer block B in the hydrogenated block copolymer (a) include, for example, 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, 1,3, Examples include force-induced structural units such as pentagen and 1,3-hexagen. Of these, structural units derived from 1,3-butadiene, isoprene, or a mixture of 1,3-butadiene and isoprene are preferred.
- the polymer block B may be composed of only one of these syngeneic units, or may be composed of two or more.
- the polymer block B is composed of two or more types of conjugation units (for example, 1,3-butadiene units and isoprene units)
- the composition ratio or the polymerization form block, random, etc.
- the amount of 1,2_ bonds should be 25% or more in order to prevent degradation of the elastomer performance due to crystallization after hydrogenation. Is preferred.
- the content of the polymer block A in the hydrogenated block copolymer (a) is in the range of 35 to 45% by mass, preferably in the range of 36 to 43% by mass, 37 to 42% by mass. Within the range is more preferable.
- the content of the polymer block A in the hydrogenated block copolymer (a) is less than 35% by mass, the stress relaxation property of the resulting thermoplastic elastomer composition decreases, whereas when the content exceeds 45% by mass. However, flexibility and stress relaxation properties are reduced.
- the content of the polymer block A in the hydrogenated block copolymer (a) can be determined by, for example, 1 H-NMR spectrum.
- polymer block B in the hydrogenated block copolymer (a) is obtained by hydrogenating 50% or more of carbon-carbon double bonds derived from conjugation. 80% or more is preferably hydrogenated, more preferably 90% or more is hydrogenated.
- the hydrogenation rate was determined by measuring the content of carbon-carbon double bonds derived from the conjugated unit in polymer block B, before and after hydrogenation, by iodine number measurement, infrared spectrophotometer, ⁇ — It can be obtained from the measured value measured by NMR spectrum.
- the bonding mode of the polymer block A and the polymer block B in the hydrogenated block copolymer (a) may be linear, branched, radial, or any combination thereof.
- the hydrogenated block copolymer (a) is preferably a triblock copolymer represented by A—B—A or a tetrablock copolymer represented by A_B_A_B.
- a triblock copolymer represented by A—B—A is more preferably used.
- the weight average molecular weight of the hydrogenated block copolymer (a) is in the range of 70000-120000, preferably in the range of 75000-118000, more preferably in the range of 80000-115000.
- the weight average molecular weight here means a polystyrene equivalent weight average molecular weight determined by gel permeation chromatography (GPC) measurement. The weight average molecular weight was measured under the following conditions.
- the hydrogenated block copolymer (a) has a carboxyl group, a hydroxyl group, an acid anhydride group, an amino group, in the molecular chain and / or at the molecular end, as long as the object and effect of the present invention are not hindered. It may have one or more functional groups such as an epoxy group. Further, as the hydrogenated block copolymer (a), the above-mentioned hydrogenated block copolymer having a functional group and a hydrogenated block copolymer having no functional group may be mixed and used.
- the hydrogenated block copolymer (a) can be produced, for example, by an anionic polymerization method. Specifically, (i) an aromatic vinyl compound or a conjugated diene using an alkyl lithium compound as an initiator. (Mouth) A method in which an aromatic vinyl compound and a conjugate are sequentially polymerized using an alkyllithium compound as an initiator, and then coupled by adding a coupling agent; (c) A dilithium compound as an initiator It can be produced by a method in which conjugation and then an aromatic vinyl compound are successively polymerized.
- an anionic polymerization method Specifically, (i) an aromatic vinyl compound or a conjugated diene using an alkyl lithium compound as an initiator. (Mouth) A method in which an aromatic vinyl compound and a conjugate are sequentially polymerized using an alkyllithium compound as an initiator, and then coupled by adding a coupling agent; (c) A dilithium compound as an initiator It can be produced by a method in which conjugation and
- Examples of the alkyl lithium compound include methyl lithium, ethyl lithium, n Examples include butyl lithium, sec butyl lithium, tert butyl lithium and pentyl lithium.
- Examples of the coupling agent include dichloromethane, dibromomethane, dichloroethane, dibromoethane, and dibromobenzene.
- Examples of the dilithium compound include naphthalenedilithium and dilithihexylbenzene.
- Polymerization is preferably carried out in the presence of a solvent, and is not particularly limited as long as it is inert to the initiator and does not adversely affect the reaction, such as hexane, cyclohexane, Examples thereof include saturated aliphatic hydrocarbons or aromatic hydrocarbons such as heptane, octane, decane, toluene, benzene, and xylene.
- a solvent is not particularly limited as long as it is inert to the initiator and does not adversely affect the reaction, such as hexane, cyclohexane, Examples thereof include saturated aliphatic hydrocarbons or aromatic hydrocarbons such as heptane, octane, decane, toluene, benzene, and xylene.
- Lewis bases that may be used as a cocatalyst during the polymerization include, for example, ethers such as dimethyl ether, jetyl ether, tetrahydrofuran, and the like; Examples include glycol ethers such as glyconoresinmethinoreethenole; amines such as triethylamine, N, N, N, N, -tetramethylethylenediamine, and N-methylmorpholine. These Lewis bases may be used alone or in combination of two or more.
- the polymerization reaction liquid is poured into a poor solvent of the block copolymer such as methanol to solidify the block copolymer ⁇ or the polymerization reaction liquid is heated together with steam in hot water.
- the block copolymer can be isolated by pouring the solution into the solvent and removing the solvent by azeotropic distillation (steam stripping), followed by drying.
- the hydrogenated block copolymer (a) can be obtained by hydrogenating the block copolymer obtained above.
- the hydrogenation reaction involves Raney nickel; a heterogeneous catalyst in which a metal such as Pt, Pd, Ru, Rh, or Ni is supported on a support such as carbon, alumina, or diatomaceous earth; a transition metal compound (nickel octylate, nickel naphthenate, Ziegler system consisting of a combination of nickel acetyl acetate, cobalt octylate, cobalt naphthenate, cobalt acetylacetonate, etc.) and organoaluminum compounds such as triethylaluminum and triisobutylaluminum, or organolithium compounds Catalyst: Meta-dioxide composed of a combination of transition metal bis (cyclopentagenyl) compounds such as titanium, zirconium, hafnium, etc.
- organometallic compounds such as lithium, sodium, potassium, ano-remium, zinc or magnesium.
- a hydrogenation catalyst such as , Reaction It can be performed under the conditions of temperature 20 to: 150 ° C., hydrogen pressure 0.:! To 20 MPa.
- the polymerization reaction liquid can be subjected to a hydrogenation reaction as it is.
- the hydrogenated block copolymer (a) obtained by the hydrogenation reaction described above has the ability to solidify the hydrogenated reaction liquid by pouring it into a poor solvent of the hydrogenated block copolymer (a) such as methanol.
- the hydrogenation reaction solution can be poured into hot water together with steam to remove the solvent by azeotropic distillation (steam stripping), and then dried to isolate it.
- the content of the hydrogenated block copolymer (a) in the thermoplastic elastomer composition of the present invention is in the range of 35 to 50 parts by mass, and preferably in the range of 40 to 50 parts by mass. A range of 45 to 50 parts by mass is more preferable.
- the content of the hydrogenated block copolymer (a) is less than 35 parts by mass, the stress of the resulting thermoplastic elastomer composition is reduced.
- the content exceeds 50 parts by mass, the resulting thermoplastic resin The moldability of the elastomer composition is reduced.
- the rubber softener (b) constituting the thermoplastic elastomer composition of the present invention includes, for example, mineral oils such as paraffinic process oils and naphthenic process oils; Vegetable oil; Phosphate ester; Low molecular weight polyethylene glycol; Liquid paraffin; Low molecular weight polyethylene, Ethylene ⁇ -olefin copolymer oligomer, Liquid polybutene, Liquid polyisoprene or hydrogenated product thereof, Synthetic oil such as liquid polybutadiene or hydrogenated calorie product, etc. Is mentioned.
- paraffinic oils such as paraffinic process oil and liquid paraffin are preferably used.
- paraffinic oils those with a kinematic viscosity at 40 ° C of 20 to 1500 mm 2 / s are preferred 50 to 100 0 mm 2 Zs are more preferred 70 to 500 mm 2 Those within the range of / s are even more preferred. These may be used alone or in combination of two or more.
- the content of the softening agent for rubber (b) in the thermoplastic elastomer composition of the present invention is in the range of 30 to 50 parts by mass, preferably in the range of 32 to 48 parts by mass. A range of 35 to 45 parts by mass is more preferable.
- the content of the softening agent for rubber (b) is less than 30 parts by mass, the moldability of the resulting thermoplastic elastomer composition deteriorates, and when it exceeds 50 parts by mass, the resulting thermoplastic elastomer The stress of the composition is significantly reduced.
- polystyrene-based resin (c) in the thermoplastic elastomer composition of the present invention examples include polystyrene, polyorthomethylstyrene, polyparamethylstyrene, polydimethylstyrene, polymethethylstyrene, polychlorostyrene, Polyisopropyl styrene, poly tert-butyl styrene, poly alpha methyl styrene, polyethyl vinyl styrene, styrene monomaleimide copolymer, styrene _N _phenyl maleimide copolymer, styrene —N-phenyl maleimide monoacrylonitrile copolymer Polymer, styrene-N-phenylmaleimide-methyl methacrylate copolymer, styrene_N_phenylmaleimide-butyl
- the weight average molecular weight of the polystyrene-based resin (c) is in the range of 100000 to 400000, and is preferably in the range of 120,000 to 350,000 in the internal force S ⁇ , and in the range of 150,000 to 300000 in the internal force S.
- the weight average molecular weight of the polystyrene resin (c) is less than 100000, the stress relaxation property of the obtained thermoplastic elastomer composition is lowered, and when it exceeds 400000, the molding of the thermoplastic elastomer composition is reduced. Sex is reduced.
- the content of the polystyrene resin (c) in the thermoplastic elastomer composition of the present invention is in the range of 5 to 25 parts by mass, preferably in the range of 7 to 22 parts by mass. More preferably within the range of 18 parts by weight.
- thermoplastic elastomer composition of the present invention may be blended with other components depending on the purpose within a range not impairing the effects of the present invention.
- other components include fillers, antioxidants, heat stabilizers, light stabilizers, UV absorbers, neutralizers, lubricants, antifogging agents, antiblocking agents, colorants, flame retardants, and antistatic agents.
- Various additives such as crosslinking agents, conductivity imparting agents, antibacterial agents, antifungal agents, thermoplastic resins other than the above essential components, elastomers other than the above essential components, tackifying resins, fillers, etc. I can do this Any of these medium strengths can be used alone or in combination of two or more.
- thermoplastic resin other than the essential components examples include polyolefin resins such as ethylene resins and polypropylene.
- examples of the ethylene resin include ethylene homopolymers such as high-density polyethylene and low-density polyethylene, ethylene-propylene copolymer, ethylene-1-butene copolymer, ethylene-1-hexene copolymer, ethylene_1 _ Heptene copolymer, ethylene 1-octene copolymer, ethylene _4 _ methyl _ 1 _ pentene copolymer, ethylene 1-1 nonene copolymer, ethylene 1-decene copolymer, etc.
- Copolymer ethylene monoacetate butyl copolymer, ethylene monoacrylic acid copolymer, ethylene monoacrylic acid ester copolymer, ethylene monomethacrylic acid copolymer, ethylene monomethacrylic acid ester copolymer or these.
- examples thereof include ethylene copolymers such as resins modified with maleic anhydride.
- these polyolefin resins When these polyolefin resins are contained, the content thereof is 30% by mass or less, preferably 20% by mass or less, based on the total mass of the thermoplastic elastomer composition.
- the stress can be increased without deteriorating the stress relaxation property and residual strain.
- the ethylene resin is more preferably an ethylene homopolymer or an ethylene homopolymer, which is preferably an ethylene a-olefin copolymer.
- the ethylene resin content is 2 to 40 parts by mass with respect to 100 parts by mass in total of the hydrogenated block copolymer (a), the rubber softener (b) and the polystyrene resin (c). The range of 3 to 25 parts by mass is more preferable.
- Thermoplastic elastomer compositions can be produced.
- This mixing can be performed by a conventionally used method. For example, after mixing uniformly using a mixing apparatus such as a Henschel mixer, a ribbon blender, or a V-type blender, a mixing roll, a kneader, a Banbury mixer It can be carried out by melt kneading using a kneading apparatus such as a Brabender mixer, a single screw or a twin screw extruder. Kneading is generally performed at 120 to 280 ° C.
- thermoplastic elastomer composition When the elastomer composition is formed into a film such as an elastic film, the film may be a single-layer film using the thermoplastic elastomer composition of the present invention alone, or a multilayer film extruded together with a thermoplastic resin such as polyethylene. It is good.
- a method for producing a single layer or multilayer film for example, a known molding technique such as T-die film molding, extrusion lamination molding or coextrusion molding using a single layer or multilayer die can be employed.
- the film thickness is preferably in the range of 15 to 200 zm.
- the present invention will be described more specifically with reference to the following examples. However, the present invention is not limited to these examples.
- the weight average molecular weight of the following hydrogenated block copolymer is a molecular weight in terms of polystyrene by GPC method, and the styrene content, hydrogenation rate, and vinyl bond amount were measured by 1 H-NMR method.
- thermoplastic elastomer compositions were evaluated by the following methods.
- Sheets having a thickness of about 1 mm were obtained by press-forming the thermoplastic elastomer compositions obtained in the examples and comparative examples at 240 ° C. The transparency of the sheet was confirmed visually and used as an index of dispersibility.
- Sheets having a thickness of about 0.5 mm were obtained by press-forming the thermoplastic elastomer compositions obtained in the examples and comparative examples at 240 ° C. Create a strip-shaped test piece with a width of 25 mm and a length of 75 mm from this sheet, and use an Instron Tensile Tester with a distance between grips of 25 mm, a test temperature of 25 ° C, 200% at a test speed of 250 mm / min. Stretched and held for 30 seconds, then shrunk to 0% at a test speed of 250 mm / min.
- Sheets having a thickness of about 1 mm were obtained by press-forming the thermoplastic elastomer compositions obtained in the examples and comparative examples at 240 ° C.
- a strip-shaped test piece having a width of 25 mm and a length of 75 mm was prepared from this sheet, and was stretched 50% at a test speed of 125 mm / min at a test temperature of 38 ° C using an Instron tensile tester at a distance of 25 mm between grips. Holding for 10 hours, the initial stress at that time and the holding stress after 10 hours were measured.
- the stress relaxation at 50% elongation in the long-term stress relaxation test can be increased using the following formula (2).
- hydrogenation reaction was carried out at 0 ° C. for 5 hours to obtain a hydrogenated block copolymer (hereinafter referred to as hydrogenated block copolymer (a-1)).
- the hydrogenated block copolymer (a-1) had a styrene content of 40% by mass, a hydrogenation rate of 98%, a bull bond content of 9%, and a weight average molecular weight of 99000.
- the hydrogenated block copolymer (a-2) had a styrene content of 40% by mass, a hydrogenation rate of 97%, a vinyl bond content of 8%, and a weight average molecular weight of 68000.
- the polymerization was stopped to obtain a polymerization reaction solution containing a block copolymer.
- a Ziegler-type hydrogenation catalyst composed of nickel octylate / triethylaluminum was added to the reaction mixture, and hydrogen pressure 0.8 MPa, 8
- a hydrogenation reaction was carried out at 0 ° C. for 5 hours to obtain a hydrogenated block copolymer (hereinafter referred to as hydrogenated block copolymer (a-3)).
- Styrene content of hydrogenated block copolymer (a-3) The hydrogenation rate was 98%, the vinyl bond content was 9%, and the weight average molecular weight was 10100.
- Septon 4033 (trade name: manufactured by Kuraray Co., Ltd .; hydrogenated styrene / isoprene / butadiene / styrene block copolymer, styrene content 30 mass%, weight average molecular weight 95000) [0043] Hydrogenated block copolymer (a - Five)
- the hydrogenated block copolymer (a-1) and the hydrogenated block copolymer (a-4) were mixed at a mass ratio of 71/29, and the hydrogenated block copolymer (hereinafter referred to as hydrogenated block copolymer) was mixed.
- a polymer (referred to as a-5) was obtained.
- the hydrogenated block copolymer (a-5) had a styrene content of 37% by mass, a hydrogenation rate of 98%, a bull bond content of 9%, and a weight average molecular weight of 98000.
- Tables 1 and 2 show hydrogenated block copolymers (a— :!) to (a—5), rubber softener (b-1), styrene resin (c_1), and ethylene resin. Mix in the mass ratio shown in 1 and 2 and add 0.1% phenolic antioxidant (Ilganox 1010) to the total mass of all ingredients, pre-mix them in advance, and then use a Brabender mixer for 240 ° Melted and kneaded at C for 5 minutes. The obtained thermoplastic elastomer composition was evaluated for performance according to the methods (1) to (3) described above. The results are shown in Tables 1 and 2.
- Example 1 Example 2
- Example 3 Example 4
- Example 5 Example 6 'Hydrogenated block copolymer
- thermoplastic elastomer compositions obtained from the examples of the present invention are excellent in stress relaxation and elastic recovery. Industrial applicability
- thermoplastic elastomer composition of the present invention is excellent in stress relaxation, flexibility, weather resistance, elastic recovery, and does not contain substances that cause environmental pollution. Therefore, disposable diapers, toilet training pants, sanitary products, Hygiene materials such as underwear; base materials for poultices, elastic tape, bandages, surgical gowns, supporters, orthodontic gowns, etc .; bands for hair bands, wristbands, watch bands, eyeglass bands, etc .; rubber bands, training It can be effectively used for a wide range of applications such as miscellaneous goods such as tubes, and can be suitably used for sanitary materials such as disposable diapers and sanitary products.
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Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07738792A EP2009055A4 (en) | 2006-03-28 | 2007-03-16 | Thermoplastic Elastomer Composition |
CA002646427A CA2646427A1 (en) | 2006-03-28 | 2007-03-16 | Thermoplastic elastomer composition |
JP2008510793A JPWO2007119390A1 (ja) | 2006-03-28 | 2007-03-16 | 熱可塑性エラストマー組成物 |
US12/295,038 US20090247688A1 (en) | 2006-03-28 | 2007-03-16 | Thermoplastic elastomer composition |
Applications Claiming Priority (2)
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JP2006-087860 | 2006-03-28 | ||
JP2006087860 | 2006-03-28 |
Publications (1)
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WO2007119390A1 true WO2007119390A1 (ja) | 2007-10-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/055347 WO2007119390A1 (ja) | 2006-03-28 | 2007-03-16 | 熱可塑性エラストマー組成物 |
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Country | Link |
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US (1) | US20090247688A1 (ja) |
EP (1) | EP2009055A4 (ja) |
JP (1) | JPWO2007119390A1 (ja) |
CN (1) | CN101410453A (ja) |
CA (1) | CA2646427A1 (ja) |
WO (1) | WO2007119390A1 (ja) |
Cited By (4)
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JP2008063365A (ja) * | 2006-09-05 | 2008-03-21 | Aron Kasei Co Ltd | スチレン系エラストマー組成物 |
WO2012111644A1 (ja) | 2011-02-14 | 2012-08-23 | 株式会社クラレ | 水添ブロック共重合体およびそれを含む組成物 |
JP2014505778A (ja) * | 2011-02-14 | 2014-03-06 | クラレ・アメリカ・インコーポレイテッド | フィルムおよびシートに有用なエラストマー配合物 |
JP2019099779A (ja) * | 2017-12-08 | 2019-06-24 | 花王株式会社 | 熱可塑性エラストマー樹脂組成物 |
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EP2439218B1 (en) * | 2009-06-03 | 2014-03-19 | Kuraray Co., Ltd. | Process for producing hydrogenated block copolymer, hydrogenated block copolymer obtained by the process, and comosition thereof |
KR102127961B1 (ko) | 2012-01-11 | 2020-06-30 | 주식회사 쿠라레 | 열가소성 중합체 조성물 및 성형품 |
US9156978B1 (en) * | 2014-06-06 | 2015-10-13 | Teknor Apex Company | Low softener halogen free flame retardant styrenic block copolymer-based thermoplastic elastomer compositions |
WO2016031992A1 (ja) * | 2014-08-29 | 2016-03-03 | 株式会社クラレ | 熱可塑性エラストマー組成物 |
CN105175979A (zh) * | 2015-10-26 | 2015-12-23 | 益阳达普林科技有限公司 | 一种高回弹热塑性弹性体组合物及其制备方法 |
US11359087B2 (en) | 2017-03-30 | 2022-06-14 | Kuraray Plastics Co., Ltd. | Structure comprising low-resilience elastic member and high-resilience elastic member |
CN115216105B (zh) * | 2021-12-30 | 2023-09-05 | 台橡(上海)实业有限公司 | 制造透明材料的高分子组合物及其透明材料与鞋垫 |
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JP2001106628A (ja) * | 1999-10-06 | 2001-04-17 | Kuraray Plast Co Ltd | 貼付用基材フイルムおよび貼付材 |
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2007
- 2007-03-16 CN CNA2007800108809A patent/CN101410453A/zh active Pending
- 2007-03-16 WO PCT/JP2007/055347 patent/WO2007119390A1/ja active Application Filing
- 2007-03-16 JP JP2008510793A patent/JPWO2007119390A1/ja active Pending
- 2007-03-16 CA CA002646427A patent/CA2646427A1/en not_active Abandoned
- 2007-03-16 EP EP07738792A patent/EP2009055A4/en not_active Withdrawn
- 2007-03-16 US US12/295,038 patent/US20090247688A1/en not_active Abandoned
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JP2008063365A (ja) * | 2006-09-05 | 2008-03-21 | Aron Kasei Co Ltd | スチレン系エラストマー組成物 |
WO2012111644A1 (ja) | 2011-02-14 | 2012-08-23 | 株式会社クラレ | 水添ブロック共重合体およびそれを含む組成物 |
JP2014505778A (ja) * | 2011-02-14 | 2014-03-06 | クラレ・アメリカ・インコーポレイテッド | フィルムおよびシートに有用なエラストマー配合物 |
US9321874B2 (en) | 2011-02-14 | 2016-04-26 | Kuraray Co., Ltd. | Hydrogenated block copolymer and composition comprising same |
US9631084B2 (en) | 2011-02-14 | 2017-04-25 | Kuraray America, Inc. | Elastomeric formulations useful in films and sheets |
US9718953B2 (en) | 2011-02-14 | 2017-08-01 | Kuraray Co., Ltd. | Hydrogenated block copolymer and composition comprising same |
JP2017190459A (ja) * | 2011-02-14 | 2017-10-19 | 株式会社クラレ | 熱可塑性エラストマー組成物 |
JP2017190458A (ja) * | 2011-02-14 | 2017-10-19 | 株式会社クラレ | 水添ブロック共重合体およびそれを含む組成物 |
KR101860168B1 (ko) | 2011-02-14 | 2018-05-21 | 주식회사 쿠라레 | 수첨 블록 공중합체 및 그것을 함유하는 조성물 |
KR101932166B1 (ko) | 2011-02-14 | 2018-12-24 | 쿠라레이 아메리카 인코포레이티드 | 막 및 시트에 유용한 엘라스토머 제형 |
JP2019099779A (ja) * | 2017-12-08 | 2019-06-24 | 花王株式会社 | 熱可塑性エラストマー樹脂組成物 |
Also Published As
Publication number | Publication date |
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EP2009055A4 (en) | 2009-08-12 |
CN101410453A (zh) | 2009-04-15 |
EP2009055A1 (en) | 2008-12-31 |
US20090247688A1 (en) | 2009-10-01 |
JPWO2007119390A1 (ja) | 2009-08-27 |
CA2646427A1 (en) | 2007-10-25 |
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