WO2002040611A1 - Adhesif autocollant ou colle et copolymere bloc convenant a cet effet - Google Patents
Adhesif autocollant ou colle et copolymere bloc convenant a cet effet Download PDFInfo
- Publication number
- WO2002040611A1 WO2002040611A1 PCT/JP2001/010122 JP0110122W WO0240611A1 WO 2002040611 A1 WO2002040611 A1 WO 2002040611A1 JP 0110122 W JP0110122 W JP 0110122W WO 0240611 A1 WO0240611 A1 WO 0240611A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- block
- polymer block
- adhesive
- block copolymer
- copolymer
- Prior art date
Links
- 229920001400 block copolymer Polymers 0.000 title claims abstract description 93
- 239000000853 adhesive Substances 0.000 title claims abstract description 67
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- -1 poly (methyl methylstyryl) lithium Chemical compound 0.000 claims description 29
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- FJBFPHVGVWTDIP-UHFFFAOYSA-N dibromomethane Chemical compound BrCBr FJBFPHVGVWTDIP-UHFFFAOYSA-N 0.000 description 1
- OSXYHAQZDCICNX-UHFFFAOYSA-N dichloro(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](Cl)(Cl)C1=CC=CC=C1 OSXYHAQZDCICNX-UHFFFAOYSA-N 0.000 description 1
- SMBQBQBNOXIFSF-UHFFFAOYSA-N dilithium Chemical class [Li][Li] SMBQBQBNOXIFSF-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WZHKDGJSXCTSCK-UHFFFAOYSA-N hept-3-ene Chemical compound CCCC=CCC WZHKDGJSXCTSCK-UHFFFAOYSA-N 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
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- 238000010348 incorporation Methods 0.000 description 1
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- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229940095102 methyl benzoate Drugs 0.000 description 1
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 125000001979 organolithium group Chemical group 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010690 paraffinic oil Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- LGOPTUPXVVNJFH-UHFFFAOYSA-N pentadecanethioic s-acid Chemical compound CCCCCCCCCCCCCCC(O)=S LGOPTUPXVVNJFH-UHFFFAOYSA-N 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- FCJSHPDYVMKCHI-UHFFFAOYSA-N phenyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OC1=CC=CC=C1 FCJSHPDYVMKCHI-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000001739 pinus spp. Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 150000003097 polyterpenes Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- DWAWYEUJUWLESO-UHFFFAOYSA-N trichloromethylsilane Chemical compound [SiH3]C(Cl)(Cl)Cl DWAWYEUJUWLESO-UHFFFAOYSA-N 0.000 description 1
- 229940036248 turpentine Drugs 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
- C09J153/025—Vinyl aromatic monomers and conjugated dienes modified
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
Definitions
- the present invention relates to a sticky adhesive and a block copolymer suitable therefor, and more particularly, to a sticky adhesive suitable for use in hot melt adhesives and adhesives, and a block copolymer which can be suitably used therefor.
- base polymers for the hot melt adhesive include ethylene-vinyl acetate copolymer, block copolymer of styrene and conjugated gen and its hydrogenated product, ethylene-one olefin copolymer, polyester resin, etc. Polymers are used.
- block copolymers composed of styrene and conjugated gen have a long open time and a relatively good balance between adhesiveness and holding power, so they can be used for adhesives for disposable sanitary materials and surface protective films. It is suitably used as an agent.
- Japanese Patent Publication No. 45-41518 (corresponding to U.S. Pat. No.
- 3,427,269 discloses polystyrene-polybutadiene-polystyrene or polystyrene-polyisoprene-polystyrene.
- An adhesive composition comprising a linear block copolymer is disclosed.
- Japanese Patent Publication No. 56-49958 discloses a hot-melt (hot melt) pressure-sensitive adhesive composition using a (polystyrene-polybutadiene) nX branched-chain copolymer. .
- these adhesives composed of a block copolymer composed of styrene and a conjugated diene have a glass transition temperature (T g) of a polystyrene block of the block copolymer of about 10 which is about 10%. 0.
- T g glass transition temperature
- An object of the present invention is to solve the above-mentioned problems of the prior art, and to provide an adhesive having excellent holding power, And a block copolymer suitable therefor.
- the present inventors have conducted intensive studies to solve the above-described problems, and as a result, have found that a tacky or adhesive containing a block copolymer composed of polymethylstyrene and a conjugated diene can solve the above-described problems.
- the present invention has been reached.
- the present invention relates to a polymer block ( ⁇ :) mainly composed of monomethylstyrene units and a polymer block mainly composed of conjugated gen units, even if at least a part of the carbon-carbon unsaturated double bond is hydrogenated.
- the present invention relates to a tacky adhesive containing a block copolymer having a good polymer block ( ⁇ ).
- the present invention also relates to the above adhesive, wherein the conjugated gen unit in the polymer block ( ⁇ ) is mainly a 1,3-butadiene unit.
- the adhesive comprises at least one (A-b1-b2) structure.
- the present invention provides a block copolymer
- a polymer block (bl) is formed by polymerizing 1 to 100 molar equivalents of a conjugated gen to living poly (methyl methylstyryl) lithium.
- the present invention provides a method wherein the conjugated gen unit in the polymer block (B) is mainly
- the present invention relates to the adhesive, which is a 3-butadiene unit and / or an isoprene unit.
- the present invention relates to the above adhesive, wherein the conjugated gen unit in the polymer block (B) is mainly a 1,3-butadiene unit.
- the present invention relates to the above adhesive, wherein at least a part of the carbon-carbon unsaturated double bond of the polymer block (B) is hydrogenated.
- the present invention provides a polymer block (A) mainly composed of monomethylstyrene units and a conjugated gen unit, and at least a part of carbon-carbon unsaturated double bonds is hydrogenated.
- a block copolymer having a polymer block (B) which may be
- a number average molecular weight of 500 or more a polymer block (b1) having a number of I 0,000 and a 1,4-bond amount of less than 30%, and a number average molecular weight of 10,000 to 400,000, A polymer block (B) containing a polymer block (b2) having a 1,4-bond content of 30% or more
- block copolymer comprises at least one (A-b1-b2) structure.
- the present invention relates to the above block copolymer, wherein the conjugated units constituting the blocks b1 and b2 are 1,3-butadiene units and / or isoprene units.
- the present invention relates to the block copolymer, wherein the conjugated gen units constituting the block b1 and the block b2 are both 1,3-butadiene units.
- the present invention relates to the block copolymer in which at least a part of the carbon-carbon unsaturated double bond derived from the conjugated gen unit of the polymer block (B) is hydrogenated.
- the polymer block (A) of the block copolymer constituting the adhesive of the present invention mainly contains a methylstyrene unit.
- A-methyl in the polymer block (A) Styrene is preferably at least 50% by weight, more preferably at least 70% by weight, even more preferably at least 90% by weight, in order to improve the holding power of the obtained adhesive.
- the polymer block (A) of the block copolymer of the present invention may be one obtained by copolymerizing another monomer within a range that does not impair the purpose of the present invention.
- the monomer is not particularly limited as long as it is generally a monomer capable of anion polymerization, and examples thereof include styrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, and 1,3-dimethylstyrene diphenyl.
- Preferred are vinyl aromatic compounds such as enylethylene, and conjugated gens such as 1,3-butadiene, isoprene, and 2,3-dimethyl-1,3-butadiene.
- Particularly preferred are styrene, p-methylstyrene, 1,3-butadiene and isoprene.
- the form in which another monomer is copolymerized with the polymer block (A) is not particularly limited, and may be random or tapered.
- conjugated gen constituting the polymer block (B) of the block copolymer constituting the adhesive agent of the present invention 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butylene And conjugated gens such as gen. These may be used alone or in combination of two or more. Among the conjugated gens, 1,3-butane and isoprene are preferred, and 1,3-butadiene is particularly preferred.
- the polymer block (B) may be copolymerized with other anionic polymerizable monomers other than the co-active gen compound except for methyl styrene, as long as the gist of the present invention is not impaired. .
- the form of copolymerization is not particularly limited, and may be random or tapered.
- the polymer block (A) which remains during the polymerization of the preceding polymer block (A) remains unreacted when the methylstyrene is copolymerized with the conjugated diene compound, whereby the cohesive force is reduced and the effect of the present invention cannot be exhibited. It is preferable that the conjugated diene compound and the methyl styrene are not substantially copolymerized.
- the structure of the block copolymer used in the present invention is not limited to a linear or branched structure, but is preferably a ⁇ - ⁇ - ⁇ -type triblock copolymer, an A-B-A-type triple-block copolymer.
- Mixture of copolymer and A-B type jib mouth copolymer, A-B-A-B type Preferred structures include tetrablock copolymers, (AB) nX-type star copolymers (X represents a residue of a coupling agent), and the like.
- These block copolymers may be used alone or in a mixture of two or more.
- polymer blocks (C) may be copolymerized within a range that does not impair the purpose of the present invention.
- the structure of the block copolymer may be an A—B—C type triplok copolymer, A—B—C—A type tetrablock copolymer, A—B—A—C type tetrablock copolymer and the like can be mentioned.
- the block copolymer is preferably hydrogenated from the viewpoint of improving the adhesive performance, heat deterioration resistance, and weather resistance of the adhesive of the present invention.
- the rate of hydrogenation is not particularly limited, but preferably at least 30% or more of all carbon-carbon unsaturated double bonds derived from the conjugated gen in the block copolymer are hydrogenated. And it is preferably at least 50%, more preferably at least 80%.
- the block copolymer may contain a functional group such as a carboxyl group, a hydroxyl group, an acid anhydride group, an amino group, or an epoxy group in a molecular chain or at a molecular terminal, as long as the purpose of the present invention is not impaired. Good.
- the block copolymer can be synthesized by anionic polymerization, and the following specific synthesis examples are shown.
- the methods (3) and (4) are preferred, and the method (3) is particularly preferred.
- organic lithium compound used as the polymerization initiator in the above method examples include monolithium compounds such as n-butyllithium, sec-butyllithium, and tert-butyllithium, and dilithium compounds such as tetraethylenedilithium. These compounds may be used alone or in combination of two or more.
- the solvent used in the polymerization of permethylstyrene is a non-polar solvent, for example, aliphatic hydrocarbons such as cyclohexane, methylcyclohexane, n-hexane, n-heptane, benzene, toluene, xylene, etc. Aromatic hydrocarbons and the like. These may be used alone or in combination of two or more.
- the polar compound used in the polymerization of permethylstyrene is a compound that does not have a functional group (hydroxyl group, carbonyl group, etc.) that reacts with anion species, and that has a hetero atom such as an oxygen atom or a nitrogen atom in the molecule.
- a functional group hydroxyl group, carbonyl group, etc.
- hetero atom such as an oxygen atom or a nitrogen atom in the molecule.
- Examples include getyl ether, monoglyme, tetramethylethylenediamine, dimethoxyethane, tetrahydrofuran and the like. These compounds may be used alone or in combination of two or more.
- the concentration of the polar compound in the reaction system is determined by polymerizing high-methyl styrene at a high conversion rate and then polymerizing the conjugated gen. From the viewpoint of controlling the amount of 1,4 bonds, it is preferably in the range of 0.1 to 10% by weight, more preferably in the range of 0.5 to 3% by weight.
- the concentration of permethylstyrene in the reaction system is preferably in the range of 5 to 50% by weight from the viewpoint of polymerizing ⁇ -methylstyrene at a high conversion rate and the viscosity of the reaction solution at the latter stage of the polymerization, more preferably It is in the range from 10 to 40% by weight, more preferably from 25 to 40% by weight.
- the polymerization conversion rate means a rate at which unpolymerized ⁇ -methylstyrene is converted into a block copolymer by polymerization, and the degree is preferably 70% or more in the present invention, More preferably, it is at least 85%.
- the temperature conditions for the polymerization of permethylstyrene are based on the ceiling temperature of permethylstyrene (the temperature at which the polymerization reaction reaches an equilibrium state and does not proceed substantially), the polymerization rate of permethylstyrene, and the living property. It is preferably in the range of 130 ° C to 30 ° C, more preferably in the range of 120 ° C; to 10 ° C; and still more preferably in the range of 115 ° C to 0 ° C.
- the polymerization temperature By setting the polymerization temperature to 30 ° C or lower, it is possible to polymerize high-methylstyrene at a high conversion rate, and furthermore, the rate at which the generated living polymer is deactivated is small, and the homopolymer is contained in the obtained block copolymer. Prevents the incorporation of methyl styrene and does not impair physical properties.
- the reaction solution can be stirred without increasing the viscosity in the latter stage of the polymerization of monomethylstyrene, and the cost required to maintain the low temperature state increases. Because there is no, it is economically favorable.
- aromatic vinyl compounds are allowed to coexist during the polymerization of a-methylstyrene, and this is copolymerized with ⁇ -methylstyrene as long as the properties of the permethylstyrene polymer block are not impaired. Is also good.
- aromatic vinyl compound include styrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, 1,3-dimethylstyrene, vinylnaphthylene, and vinylanthracene.
- the aromatic vinyl compounds may be used alone or in combination of two or more.
- Living polystyrene is obtained by polymerization of methyl styrene using organolithium as an initiator. -Methylstyryllithium is formed, which is then polymerized with a conjugated diene.
- conjugated diene examples include 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, 1,3-pentane, 1,3-hexadiene, and the like.
- the compounds may be used alone or in combination of two or more.
- preferred examples of the conjugated diene are 1,3-butadiene and isoprene, and these may be used in combination, but 1,3-butadiene is particularly preferred.
- the conjugated gen is subjected to polymerization by being added to the reaction system.
- the method for adding the conjugated diene to the reaction system is not particularly limited, and may be directly added to the living poly (methyl methylstyryl) lithium solution or may be added after diluting with a solvent.
- Conjugation gens can be diluted in a solvent by adding the conjugated gen and then diluting with the solvent, or adding the conjugated gen and the solvent at the same time, or adding the conjugated gen after diluting with the solvent. Is also good.
- the living active terminal is transformed by adding 1 to 100 molar equivalents, preferably 5 to 50 molar equivalents, of a conjugated gen to the living poly (methyl methylstyryl) lithium. It is recommended to dilute the mixture with a solvent, then add the remaining conjugated gen and carry out the polymerization reaction at a temperature exceeding 30 ° C, preferably at a temperature in the range of 40 to 80 ° C.
- solvents examples include aliphatic hydrocarbons such as cyclohexane, methylcyclohexane, n-hexane, and n-heptane; and aromatic hydrocarbons such as benzene, toluene, and xylene. And the like. These solvents may be used alone or in combination of two or more.
- a block polymer composed of an ⁇ -methylstyrene polymer block and a conjugated gen polymer block has good heat resistance and weather resistance. Therefore, the carbon-carbon unsaturated double bond in the block copolymer is used. It is preferable that a part or all of them be hydrogenated.
- Living poly ( ⁇ -methylstyryllithium) is obtained by copolymerizing conjugated gen with a conjugated methyl styrene polymer block and a conjugated gen polymer block.
- a polyfunctional coupling agent with a living copolymer of a polypropylene copolymer, a triblock or radial teleblock-type block copolymer can be produced.
- the block copolymer is a mixture obtained by adjusting the amount of the polyfunctional coupling agent and containing a diblock, triploc, or radial tereblock-type block copolymer in an arbitrary ratio. It may be.
- polyfunctional coupling agent examples include phenyl benzoate, methyl benzoate, ethyl benzoate, methyl acetate, ethyl acetate, methyl vivalate, ethyl vivalate, phenyl vivalate, HI, HI, and diclo.
- a polyfunctional coupling agent such as kazu
- the coupling reaction is stopped by adding an active hydrogen compound such as alcohols, carboxylic acids, or water as necessary.
- an active hydrogen compound such as alcohols, carboxylic acids, or water as necessary.
- the conjugated gen is polymerized on living poly (methylmethyllyl) lithium, and then alcohols, carboxylic acids, and water are added.
- the polymerization reaction is terminated by adding an active hydrogen compound such as an active hydrogen compound, and hydrogenated in the presence of a hydrogenation catalyst in an inert organic solvent according to a known method to obtain a hydrogenated block copolymer. be able to.
- An anion-polymerizable monomer was added to an unhydrogenated block copolymer consisting of an ⁇ -methylstyrene polymer block and a conjugated polymer block, and to a block copolymer consisting of an ⁇ -methylstyrene polymer block and a conjugated polymer block. Obtained by polymerization A non-hydrogenated ABC-type triblock copolymer or a non-hydrogenated copolymer obtained by reacting a living polymer of a block copolymer consisting of a block copolymer of a methyl styrene polymer and a conjugated gen polymer with a polyfunctional coupling agent. The hydrogenated triblock or radial tereblock block copolymer can be directly supplied to hydrogenated kamen without replacing the solvent used in the production.
- the hydrogenation reaction is carried out, for example, in the presence of a hydrogenation catalyst such as a zigzag catalyst comprising an alkylaluminum compound and cobalt, nickel, or the like, at a reaction temperature of 20 to 100 ° C; hydrogen pressure of 1 to 10 Okg / cm. It can be performed under the conditions of 2 .
- a hydrogenation catalyst such as a zigzag catalyst comprising an alkylaluminum compound and cobalt, nickel, or the like, at a reaction temperature of 20 to 100 ° C; hydrogen pressure of 1 to 10 Okg / cm. It can be performed under the conditions of 2 .
- the unhydrogenated block copolymer be hydrogenated until 90% or more of the unsaturated double bonds in the conjugated gen polymer block are saturated, thereby improving the weather resistance of the block copolymer.
- the hydrogenation rate of unsaturated double bonds in the copolymer block of the hydrogenated block copolymer can be measured by iodine titration, infrared spectroscopy spectrum measurement, nuclear magnetic resonance spectrum H-NMR. It can be calculated using analytical means such as measurement.
- the non-hydrogenated or hydrogenated block copolymer (high-methyl-styrene-based block copolymer) produced by the above method has a polystyrene-equivalent number average molecular weight of 1,000 to 300,000 in terms of polystyrene. It is more preferably from 3,000 to: L 000,000, and the amount of 1,4-bond of the conjugated gen-polymer is preferably from 10 to 80%.
- the number average molecular weight in terms of polystyrene of the block copolymer used in the present invention can be appropriately adjusted depending on the use and the like, but is usually preferably 10,000 to 2,000, 000, more preferably 15 to 2,000. , 000 to 1,000,000.
- the block copolymer used in the present invention those obtained by the above method are preferably used.
- an organolithium compound in a non-polar solvent is used as an initiator.
- the structure of the above block copolymer is not limited to a linear or branched structure, but among others, a block copolymer having at least one (A-b1-b2) structure is preferable.
- the number average molecular weight in terms of polystyrene of the polymer block (A) in the above block copolymer is preferably from 1,000 to 300,000, more preferably from 3,000 to 100,000.
- the polystyrene-equivalent number average molecular weight of the polymer block (bl) in the block copolymer is preferably from 500 to 10,000, more preferably from 1,000 to 7,000, and the polymer It is preferable that the 1,4-bond amount of the block (bl) is less than 30%.
- the number average molecular weight in terms of polystyrene of the polymer block (b2) in the block copolymer is preferably from 10,000 to 400,000, more preferably from 15,000 to 200,000, and
- the amount of 1,4 bonds in the united block (b2) is preferably 30% or more, more preferably 35% to 95%, and even more preferably 40% to 80%.
- tackifying resin that can be used for the adhesive of the present invention
- those conventionally used as a resin for imparting tackiness for adhesives for example, a chromium-indene resin, Phenol resin, p-t-butylphenol 'acetylene tree Oligomer, hydrocarbon tree, hydrogen Additional hydrocarbon resins, polybutene, polyhydric alcohol esters of rosin, hydrogenated rosin, hydrogenated pedrozin, esters of hydrogenated rosin with monoalcohol or polyalcohol, turpentine tackifying resin, and the like.
- Particularly preferred tackifying resins include terpene resins, synthetic terpene resins, aromatic modified polyterpene resins, aliphatic saturated petroleum resins, rosin esters, disproportionated rosin esters, hydrogenated rosin esters, and aliphatic resins.
- Petroleum resins C5 aliphatic petroleum resin, C5 / C9 aliphatic petroleum resin, etc.
- modified aliphatic petroleum resins C5 aliphatic petroleum resin, C5 / C9 aliphatic petroleum resin, etc.
- the blending amount of the tackifier resin is not particularly limited as long as the object of the present invention is not impaired, but is preferably 40 to 1,000 parts by weight based on 100 parts by weight of the block copolymer. Preferably, it is more preferably 100 to 500 parts by weight.
- One type of tackifying resin may be used, or two or more types may be used in combination.
- softeners examples include petroleum softeners such as paraffinic, naphthenic, and aroma-based process oils, paraffins, vegetable oil-based softeners, and plasticizers. Can be used alone or in combination of two or more.
- the amount of the softening agent used is not particularly limited as long as the purpose of the present invention is not impaired, but it is 0 to 1,000 parts by weight, preferably 0 to 100 parts by weight, per 100 parts by weight of the block copolymer. To 500 parts by weight, more preferably 50 to 300 parts by weight.
- the adhesive of the present invention may contain additives as required, for example, phenol-based stabilizers, zeolite-based stabilizers, phosphorus-based stabilizers, light stabilizers, antistatic agents, mold release agents, flame retardants. , A foaming agent, a pigment, a dye, a whitening agent, carbon fiber and the like can be added.
- stabilizers include 2,6-di-t-butyl-p-cresol and Penri erythylyl tetratetrakis [3- (3,5-di-t-butyl-4-hydroxyphenyl)] Propionate], 1,3,5-trimethyl-2,4,6-tris (3,5-di-t-butyl-4-hydroxybenzyl) benzene, octyldecyl-3- (3,
- the reinforcing resin may be a thermoplastic resin having a relatively low molecular weight.
- a polyester resin, a polyamide resin, a polyphenylene ether resin, or the like can be blended and used as an adhesive.
- elastomers such as natural rubber, synthetic polyisoprene rubber, liquid polyisoprene rubber and a hydrogenated product thereof, polybutadiene rubber, and liquid can be used without impairing the purpose of the present invention.
- Polybutadiene rubber and its hydrogenated products styrene-butadiene rubber, chloroprene rubber, ethylene-propylene rubber, acrylic rubber, polyisopreneisobutylene rubber, acrylonitrile-butadiene rubber, or polystyrene-polyisoprene-polystyrene or polystyrene-polybutadiene Styrene-based elastomers such as polystyrene
- An inorganic filler can be added to the adhesive of the present invention as long as its properties are not impaired.
- Specific examples of such an inorganic filler include talc, calcium carbonate, silica, glass fiber, Myriki, kaolin, titanium oxide and the like.
- the adhesive / adhesive preparation method of the present invention can be any conventional method.
- a general tank-type mixer, a high-speed stirrer, a closed-type mixer, an internal mixer, a single-screw extruder can be used.
- the above-mentioned necessary components are usually in the range of 130 ° C to 230 ° C using an extruder such as an extruder or a twin-screw extruder, if necessary, in a nitrogen gas atmosphere. It can be adjusted by melt kneading or melt mixing.
- the adhesive of the present invention obtained by mixing the above-mentioned components can be formed into an appropriate form according to its use, usage mode, and the like. For example, block, granule, flake, and pellet It can be used in various forms such as sticks, sticks, films, sheets, etc. for various adhesive applications and various adhesive products.
- the adhesive of the present invention can be used for aliphatic solvents such as heptane, isopentane, ⁇ -hexane, and cyclohexane, and aromatic solvents such as benzene, xylene, toluene, and ethylpentene.
- aliphatic solvents such as heptane, isopentane, ⁇ -hexane, and cyclohexane
- aromatic solvents such as benzene, xylene, toluene, and ethylpentene.
- the solid component is dissolved so that the solid content concentration is about 5% to 70% depending on the amount, and a solvent-type adhesive can be prepared.
- the application of the adhesive of the present invention is not particularly limited, and can be used for the adhesive application of various materials in the same manner as the conventional hot-melt adhesive and the pressure-sensitive adhesive. It can be used for adhesive bonding of plastic film sheets such as polyethylene, polypropylene and polyester, paper, wood, textiles, metal foil and leather.
- the adhesive of the present invention includes, for example, packaging such as bag-making, sealing of small boxes and cardboards, pick-up of labels, production of aluminum foil cans, etc .; binding; production of plywood; woodworking; Manufacture of textile products such as shoes, car backing, and non-woven binders; Manufacture of various sanitary supplies, including disposable diapers and sanitary napkins; Adhesive tape for wrapping; Electrical insulating tape films; Adhesive tapes and sheets for protection; Various adhesive films and sheets used in semiconductor wafer manufacturing process; It can be used for binding and fixing pipes, etc .; for various building materials such as window frames; for sealing materials around automobile lamps and around instrument panels; and for lapel adhesives.
- packaging such as bag-making, sealing of small boxes and cardboards, pick-up of labels, production of aluminum foil cans, etc .
- binding production of plywood
- woodworking Manufacture of textile products such as shoes, car backing, and non-woven binders
- Manufacture of various sanitary supplies including disposable diapers
- the adhesive of the present invention is a hot-melt adhesive
- the hot-melt adhesive is heated and melted using the same hot melt adhesive application as before.
- the adhesive can be applied by solidifying the adhesive in a state where the adhesive is applied to the adherend and the adherends are adhered to each other (compressed).
- the pressure-sensitive adhesive of the present invention is a hot-melt type pressure-sensitive adhesive (or pressure-sensitive adhesive)
- the hot-melt type pressure-sensitive adhesive or pressure-sensitive adhesive
- a layer of a pressure-sensitive adhesive is formed by coating on one or both surfaces of a substrate such as paper, cloth, plastic film sheet, or metal foil, We can manufacture sticky adhesive films, sticky adhesive sheets, and other sticky adhesive products.
- the adhesive of the present invention is a hot-melt adhesive and a hot-melt pressure-sensitive adhesive (or pressure-sensitive adhesive)
- the adhesive of the present invention is used.
- the agent can usually be easily melted by heating to a temperature of about 120 ° C to 200 ° C, which facilitates bonding work with good workability and manufacturing of adhesive products such as adhesive films. be able to.
- the performance evaluation of the adhesive was performed by the following method.
- the adhesive strength was evaluated by a 180 ° peel test according to J IS Z-0237. That is, the prepared adhesive tape was applied to a polyethylene sheet of about lmm thickness and a stainless steel (SUS 304) plate with a width of 25 mm and a length of 100 mm, and 180 ° at a speed of 30 cm / min at 25 ° C. was measured in the direction of peeling.
- SUS 304 stainless steel
- the holding power was evaluated according to JIS Z-0237. That is, the prepared adhesive The tape was bonded to a stainless steel (SUS 304) plate at 25 mm x 25 mm, and a load of l kg was suspended at an ambient temperature of 60 ° C or 80 ° C, and the drop time was determined. Those that did not fall in 240 minutes were evaluated based on the distance of displacement of the adhesive tape after 240 minutes. Participant example 1 (Production of hydrogenated block copolymer)
- the polymerization conversion of monomethylstyrene was 90%
- the number average molecular weight (GPC measurement, polystyrene conversion) of the poly 1,3-butadiene block (bl) was 3,640
- the iH-NMR The 1,4-bond amount determined from the measurement was 22%.
- 303 g of 1,3-butadiene was added, and polymerization was performed for 2 hours while increasing the temperature to 60 ° C.
- mSBmS-1 poly (hydroxymethylstyrene) -polybutadiene-poly (hydroxymethylstyrene) copolymer
- the number average molecular weight (GPC measurement, converted to polystyrene) of poly-1,3-butane gen block (b 2) polymerized by increasing the temperature in polybutadiene block is
- the total 1,4—bonding amount of Polybutane Gemprock B is 59%, and it was found from the composition analysis by NMR spectrum measurement that polymethyl styrene block B was substantially free from copolymerization of monomethylstyrene. Furthermore, after the obtained polymerization solution of mSBmS-1 was sufficiently purged with nitrogen, a hydrogenation reaction was carried out at 80 ° C for 5 hours in a hydrogen atmosphere using a Ni / A1-based Ziegler-based hydrogenation catalyst. A poly (hydroxymethylstyrene) monohydrogenated polybutene gen-poly (hydroxymethylstyrene) type copolymer (hereinafter abbreviated as HmSBmS-1) was obtained. The hydrogenation rate of the obtained HmSBmS-1 was calculated by 1 H-NMR spectrum measurement, as shown in Table 1.
- the number average molecular weight of poly (methyl styrene) after polymerization for 5 hours was measured by GPC to be 7,100 in terms of polystyrene, and the polymerization conversion of monomethyl styrene by gas chromatography analysis was 92%.
- 35.4 g of 1,3-butadiene was added, and after stirring for 30 minutes, 1,680 g of cyclohexane was added. At this point, the polymerization conversion of permethylstyrene was 92%, and the number average molecular weight (GPC measurement, converted to polystyrene) of poly 1,3-butadiene block (b 1) was 3,350.
- the amount of 1,4-bond determined by NMR measurement was 16%.
- 310 g of 1,3-butadiene was added, and polymerization was carried out for 2 hours while increasing the temperature to 60 ° C.
- mSB poly (hmethylstyrene) -polybutadiene-type copolymer
- the number average molecular weight (GPC measurement, in terms of polystyrene) of poly (1,3-butadiene block) (b2) polymerized by increasing the temperature in the polybutadiene block is 29,300, 1,4-bond amount. ) was 61%.
- the 1,4-bond amount of the whole polybutadiene block B was 44%, and further, it was found that polymethylbenzene B had substantially no copolymerized monomethylstyrene. It was revealed by composition analysis by measurement. Participant example 3 (Production of hydrogenated block copolymer)
- HmSB poly ( ⁇ -methylstyrene) monohydrogenated polybutadiene-type copolymer
- a cyclohexane solution of mSBmS synthesized in Reference Example 2 was prepared, charged into a pressure-resistant container that had been sufficiently replaced with nitrogen, and then subjected to a hydrogen atmosphere using a Ni / Al-based Ziegler-based hydrogenation catalyst.
- a hydrogenation reaction was carried out at 80 ° C. for 5 hours under the conditions to obtain a poly (hydromethylstyrene) / hydrogenated polybutadiene / poly (monomethylstyrene) type copolymer (hereinafter abbreviated as HmSBmS-2).
- the hydrogenation rate of the obtained HmS BmS-2 was calculated by 1 H-NMR spectrum measurement.
- Participant example 5 production of hydrogenated block copolymer
- the polymerization conversion of methyl styrene was 87%
- the number average molecular weight (GPC measurement, converted to polystyrene) of the poly 1,3-butadiene block (b 1) was 3,500
- 1 H— The amount of 1,4-bond determined by NMR measurement was 12%.
- 323 g of 1,3-butane was caloed, and polymerization was carried out for 2 hours while increasing the temperature to 50 ° C.
- mSBmS poly- Methylstyrene polybutadiene-poly (hydroxymethylstyrene) copolymer
- a cyclohexane solution of the obtained mSBmS is prepared and charged in a pressure-resistant container purged with nitrogen sufficiently. Then, under a hydrogen atmosphere using a Ni / A1 system Zieg1er system hydrogenation catalyst. A hydrogenation reaction was carried out at 80 ° C for 5 hours to obtain a poly ( ⁇ -methylstyrene) monohydrogenated polybutadiene-poly (himethylstyrene) copolymer.
- HmSBmS-3 (Hereinafter abbreviated as HmSBmS-3).
- HmS BmS-3 hydrogen Table 1 shows the addition ratio calculated by 1 H-NMR spectrum measurement.
- the number average molecular weight (GPC measurement, in terms of polystyrene) of poly (methyl styrene) was 6,400, and the polymerization conversion of poly (methyl styrene) was 92%.
- 44.7 g of isoprene was added, and after stirring for 30 minutes, 1,710 g of cyclohexane was added.
- the polymerization conversion of monomethylstyrene was 92%
- the number average molecular weight of polyisoprene block (b1) was 4,150 and the 1,4-linkage was 15%.
- 315 g of isoprene was added, and polymerization was carried out for 2 hours while increasing the temperature to 60 ° C.
- mSI poly (hydroxymethylstyrene) -polyisoprene copolymer
- the number average molecular weight of the polyisoprene block (b2) polymerized by increasing the temperature in the polyisoprene block was 29,200, and the 1,4-linkage was 46%.
- HmSI poly ( ⁇ -methylstyrene) monohydrogenated polyisoprene-type copolymer
- Participant example 8 production of hydrogenated block copolymer
- a cyclohexane solution of mS ImS synthesized in Reference Example 6 was prepared, charged into a pressure-resistant container having been sufficiently replaced with nitrogen, and then subjected to hydrogenation using a Ni / A1-based Ziegler-based hydrogenation catalyst.
- a hydrogenation reaction was carried out at 80 ° C for 5 hours in a hydrogen atmosphere to obtain poly (hydroxymethylstyrene) monohydrogenated polyisoprene-poly (hydroxymethylstyrene) type copolymer (hereinafter abbreviated as HmS ImS). Obtained.
- the hydrogenation rate of the obtained HmS I mS was calculated by 1 H-NMR spectrum measurement, as shown in Table 1. Participant example 9 (production of hydrogenated block copolymer)
- the 1,4-binding amount was 22%.
- 301 g of the above-mentioned mixed monomer was added, and polymerization was carried out for 2 hours while increasing the temperature to 60 ° C.
- 18.3 ml of ⁇ -xylene (0.5 ⁇ , toluene solution) was added to the polymerization solution, and the mixture was stirred at 60 ° C. for 1 hour to carry out a coupling reaction to obtain poly ( ⁇ - Methyl styrene) poly (isoprene / 1,3-butadiene) monopoly (h-methylstyrene) type copolymer (hereinafter abbreviated as mS (I / B) mS) was synthesized.
- the molecular properties of the obtained mS (I / B) mS were determined by GPC and 1 H-NMR spectrum measurements. Table 1 shows the obtained results.
- the number average molecular weight of the poly (isoprene Z1,3-butadiene) block (b2) polymerized by increasing the temperature in the poly (isoprene / 1,3-butadiene) block is 40,850, 1,4-bond amount. Was 62%.
- the poly (isoprene / 1,3-butadiene) block B had a 1,4-bond content of 58% in the entire block B, and the poly (isoprene / 1,3-butadiene) block B contained 1-methylstyrene. was not substantially copolymerized by iH-NMR spectrum analysis.
- HmS ( I / B) mS a poly (hi-methylstyrene) monohydrogenated poly (isoprene / 1,3-butadiene) -poly ( ⁇ -methylstyrene) type copolymer
- HmS ( I / B) mS a poly (hi-methylstyrene) monohydrogenated poly (isoprene / 1,3-butadiene) -poly ( ⁇ -methylstyrene) type copolymer
- SI polystyrene-polyisoprene dib-opened copolymer
- SIS polystyrene-polyisoprene-polystyrene-type triplep copolymer
- Participant example 1 1 Production of hydrogenated block copolymer
- a cyclohexane solution of SI synthesized in Reference Example 10 was prepared, charged into a pressure-resistant container purged with nitrogen sufficiently, and then subjected to hydrogen atmosphere using a Ni / Al-based Ziegeler-based hydrogenation catalyst.
- a hydrogenation reaction was carried out at 80 ° C for 5 hours to obtain a polystyrene monohydrogenated polyisoprene type diblock copolymer (hereinafter abbreviated as SEP).
- SEP polystyrene monohydrogenated polyisoprene type diblock copolymer
- a cyclohexane solution of the SIS synthesized in Reference Example 10 was prepared, charged into a pressure-resistant container that had been sufficiently purged with nitrogen, and then subjected to a hydrogen atmosphere using a Ni / Al Ziegeler hydrogenation catalyst.
- a hydrogenation reaction was carried out at 80 ° C. for 5 hours to obtain a polystyrene / monohydrogenated polyisoprene-polystyrene type triblock copolymer (hereinafter abbreviated as SEPS).
- SEPS polystyrene / monohydrogenated polyisoprene-polystyrene type triblock copolymer
- SBS polystyrene-poly (1,3-butadiene) -polystyrene triblock copolymer
- a cyclohexane solution of SB synthesized in Reference Example 13 was prepared and charged in a pressure-resistant container that had been sufficiently purged with nitrogen.Then, under a hydrogen atmosphere using a Ni / Al-based Ziegler-based hydrogenation catalyst. A hydrogenation reaction was performed at 80 ° C for 5 hours to obtain a polystyrene-hydrogenated poly (1,3-butadiene) type diblock copolymer (hereinafter abbreviated as SEB).
- SEB polystyrene-hydrogenated poly (1,3-butadiene) type diblock copolymer
- a cyclohexane solution of SBS synthesized in Reference Example 13 was prepared, charged into a pressure-resistant container that had been sufficiently purged with nitrogen, and then subjected to hydrogen atmosphere using a Ni / Al Ziegler hydrogenation catalyst.
- a hydrogenation reaction was carried out at 80 ° C for 5 hours to obtain a polystyrene-hydrogenated poly (1,3-butane-gen) -polystyrene type triblock copolymer (hereinafter abbreviated as SEBS).
- SEBS polystyrene-hydrogenated poly (1,3-butane-gen) -polystyrene type triblock copolymer
- SEEPS polystyrene-hydrogenated poly (isoprene / 1,3-butadiene) -polystyrene triblock copolymer
- the block copolymer obtained in the reference example, the tackifier resin and the plasticizer were mixed in the composition shown in Tables 2 to 5 (all parts by weight) and heated at 160 ° C for 30 minutes.
- the composition was prepared by melting and mixing, and coated on a polyethylene terephthalate film using a piece of paper having a thickness of 40 ⁇ m to form an adhesive tape. Performance evaluation was performed using the obtained adhesive tape. It can be seen that all of the adhesives of Examples 1 to 17 which are within the scope of the present invention show a higher cohesive force than the comparative examples. Table 2
- YS Resin PX-1000 Tackifying resin (Yasuhara Chemical Co .; terpene resin)
- Escole® 1310 Tackifying resin (Tonex Co .; aliphatic hydrocarbon resin)
- a viscous adhesive having excellent holding power (cohesion) at high temperatures can be obtained. Further, according to the present invention, it is possible to provide a block copolymer which can be suitably used for the adhesive.
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002224054A AU2002224054A1 (en) | 2000-11-20 | 2001-11-20 | Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein |
EP01996584A EP1352940B1 (en) | 2000-11-20 | 2001-11-20 | Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein |
US10/181,321 US6806317B2 (en) | 2000-11-20 | 2001-11-20 | Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein |
JP2002543610A JP3947105B2 (ja) | 2000-11-20 | 2001-11-20 | 粘・接着剤およびそれに好適なブロック共重合体 |
DE60138305T DE60138305D1 (de) | 2000-11-20 | 2001-11-20 | Druckempfindlicher klebstoff und blockpolymer für die verwendung darin |
CA2396983A CA2396983C (en) | 2000-11-20 | 2001-11-20 | Adhesive composition and block copolymer suitable for the same |
Applications Claiming Priority (4)
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JP2000-352696 | 2000-11-20 | ||
JP2000352696 | 2000-11-20 | ||
JP2001189762 | 2001-06-22 | ||
JP2001-189762 | 2001-06-22 |
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US10/946,165 Continuation US7358298B2 (en) | 2000-11-20 | 2004-09-21 | Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein |
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WO2002040611A1 true WO2002040611A1 (fr) | 2002-05-23 |
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PCT/JP2001/010122 WO2002040611A1 (fr) | 2000-11-20 | 2001-11-20 | Adhesif autocollant ou colle et copolymere bloc convenant a cet effet |
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US (2) | US6806317B2 (ja) |
EP (1) | EP1352940B1 (ja) |
JP (1) | JP3947105B2 (ja) |
CN (1) | CN1236001C (ja) |
AT (1) | ATE427987T1 (ja) |
AU (1) | AU2002224054A1 (ja) |
CA (1) | CA2396983C (ja) |
DE (1) | DE60138305D1 (ja) |
ES (1) | ES2325529T3 (ja) |
WO (1) | WO2002040611A1 (ja) |
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JP2003073433A (ja) * | 2001-06-22 | 2003-03-12 | Kuraray Co Ltd | 成形体用ブロック共重合体 |
JP2003073434A (ja) * | 2001-06-22 | 2003-03-12 | Kuraray Co Ltd | ブロック共重合体の製造方法 |
JP4928264B2 (ja) * | 2003-07-31 | 2012-05-09 | バスフ コーポレーション | 改質アニオン重合ポリマー |
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JP2005255853A (ja) * | 2004-03-11 | 2005-09-22 | Kuraray Co Ltd | シーリング材 |
WO2006070929A1 (ja) | 2004-12-27 | 2006-07-06 | Kuraray Co., Ltd. | 固体高分子型燃料電池用高分子電解質膜、膜-電極接合体及び燃料電池 |
JP2006249433A (ja) * | 2005-03-11 | 2006-09-21 | Natl Starch & Chem Investment Holding Corp | 剥離可能なホットメルト接着剤 |
KR101288750B1 (ko) | 2006-04-28 | 2013-07-23 | 세키스이가가쿠 고교가부시키가이샤 | 점착제 조성물 및 그의 제조 방법, 및 점착체 |
JP4571689B2 (ja) * | 2006-04-28 | 2010-10-27 | Jsr株式会社 | 粘着剤組成物及びその製造方法、並びに粘着体 |
JPWO2007126081A1 (ja) * | 2006-04-28 | 2009-09-10 | Jsr株式会社 | 粘着剤組成物及びその製造方法、並びに粘着体 |
WO2007126081A1 (ja) * | 2006-04-28 | 2007-11-08 | Jsr Corporation | 粘着剤組成物及びその製造方法、並びに粘着体 |
WO2008096598A1 (ja) | 2007-02-07 | 2008-08-14 | Kuraray Co., Ltd. | 触媒層及びその製法並びに該触媒層を使用した膜-電極接合体及び固体高分子型燃料電池 |
WO2009098982A1 (ja) | 2008-02-06 | 2009-08-13 | Kuraray Co., Ltd. | 膜-電極接合体及び固体高分子型燃料電池 |
WO2010095562A1 (ja) | 2009-02-17 | 2010-08-26 | 株式会社クラレ | 電解質膜及び膜―電極接合体 |
JP2011032412A (ja) * | 2009-08-04 | 2011-02-17 | Tokyo Ohka Kogyo Co Ltd | 接着剤組成物、及び接着フィルム |
WO2012039425A1 (ja) | 2010-09-24 | 2012-03-29 | 株式会社クラレ | ペースト及びその塗膜を電解質膜や電極膜とする高分子トランスデューサ |
JP2015227395A (ja) * | 2014-05-30 | 2015-12-17 | 綜研化学株式会社 | 粘着剤組成物及びその製造方法、ならびに、粘着剤層及びその製造方法 |
KR20170013858A (ko) * | 2014-05-30 | 2017-02-07 | 소켄 케미칼 앤드 엔지니어링 캄파니, 리미티드 | 점착제 조성물 및 그 제조 방법, 그리고, 점착제층 및 그 제조 방법 |
KR102340159B1 (ko) | 2014-05-30 | 2021-12-15 | 소켄 케미칼 앤드 엔지니어링 캄파니, 리미티드 | 점착제 조성물 및 그 제조 방법, 그리고, 점착제층 및 그 제조 방법 |
JPWO2017130947A1 (ja) * | 2016-01-26 | 2018-11-15 | パナソニックIpマネジメント株式会社 | 樹脂付き金属箔、フレキシブルプリント配線板 |
JP7373778B2 (ja) | 2016-01-26 | 2023-11-06 | パナソニックIpマネジメント株式会社 | 樹脂付き金属箔、フレキシブルプリント配線板 |
JP7415511B2 (ja) | 2019-12-10 | 2024-01-17 | 日本ゼオン株式会社 | 表面保護材用粘着剤および表面保護材 |
Also Published As
Publication number | Publication date |
---|---|
ATE427987T1 (de) | 2009-04-15 |
ES2325529T3 (es) | 2009-09-08 |
CA2396983A1 (en) | 2002-05-23 |
JPWO2002040611A1 (ja) | 2004-03-25 |
US20050038198A1 (en) | 2005-02-17 |
DE60138305D1 (de) | 2009-05-20 |
AU2002224054A1 (en) | 2002-05-27 |
CN1395603A (zh) | 2003-02-05 |
US20030050395A1 (en) | 2003-03-13 |
US6806317B2 (en) | 2004-10-19 |
EP1352940B1 (en) | 2009-04-08 |
CN1236001C (zh) | 2006-01-11 |
EP1352940A4 (en) | 2005-04-20 |
JP3947105B2 (ja) | 2007-07-18 |
CA2396983C (en) | 2011-05-03 |
US7358298B2 (en) | 2008-04-15 |
EP1352940A1 (en) | 2003-10-15 |
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