CN114040931A - Copolymer latex for adhesive and adhesive composition - Google Patents
Copolymer latex for adhesive and adhesive composition Download PDFInfo
- Publication number
- CN114040931A CN114040931A CN202080048544.9A CN202080048544A CN114040931A CN 114040931 A CN114040931 A CN 114040931A CN 202080048544 A CN202080048544 A CN 202080048544A CN 114040931 A CN114040931 A CN 114040931A
- Authority
- CN
- China
- Prior art keywords
- mass
- copolymer latex
- monomer
- composition
- latex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000004816 latex Substances 0.000 title claims abstract description 181
- 229920000126 latex Polymers 0.000 title claims abstract description 181
- 229920001577 copolymer Polymers 0.000 title claims abstract description 161
- 239000000203 mixture Substances 0.000 title claims abstract description 116
- 239000000853 adhesive Substances 0.000 title claims abstract description 80
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 80
- 239000000178 monomer Substances 0.000 claims abstract description 125
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000002245 particle Substances 0.000 claims abstract description 42
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000007787 solid Substances 0.000 claims abstract description 35
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004908 Emulsion polymer Substances 0.000 claims abstract description 14
- KVBYPTUGEKVEIJ-UHFFFAOYSA-N benzene-1,3-diol;formaldehyde Chemical compound O=C.OC1=CC=CC(O)=C1 KVBYPTUGEKVEIJ-UHFFFAOYSA-N 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 description 22
- 238000006116 polymerization reaction Methods 0.000 description 22
- 239000005060 rubber Substances 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- -1 carboxylic acid hydroxyalkyl ester Chemical class 0.000 description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 239000012783 reinforcing fiber Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 8
- 239000003995 emulsifying agent Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 239000003505 polymerization initiator Substances 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- YAJYJWXEWKRTPO-UHFFFAOYSA-N 2,3,3,4,4,5-hexamethylhexane-2-thiol Chemical compound CC(C)C(C)(C)C(C)(C)C(C)(C)S YAJYJWXEWKRTPO-UHFFFAOYSA-N 0.000 description 6
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 6
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 6
- 239000012986 chain transfer agent Substances 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000007720 emulsion polymerization reaction Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- PMBXCGGQNSVESQ-UHFFFAOYSA-N 1-Hexanethiol Chemical compound CCCCCCS PMBXCGGQNSVESQ-UHFFFAOYSA-N 0.000 description 2
- CTMHWPIWNRWQEG-UHFFFAOYSA-N 1-methylcyclohexene Chemical compound CC1=CCCCC1 CTMHWPIWNRWQEG-UHFFFAOYSA-N 0.000 description 2
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical group C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 description 2
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 2
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 2
- FSWCCQWDVGZMRD-UHFFFAOYSA-N 4-methylcyclohexene Chemical compound CC1CCC=CC1 FSWCCQWDVGZMRD-UHFFFAOYSA-N 0.000 description 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-isoascorbic acid Chemical compound OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 239000002211 L-ascorbic acid Substances 0.000 description 2
- 235000000069 L-ascorbic acid Nutrition 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical class C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- DMEGYFMYUHOHGS-UHFFFAOYSA-N cycloheptane Chemical compound C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 2
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 2
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000010350 erythorbic acid Nutrition 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229940026239 isoascorbic acid Drugs 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 2
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 2
- HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 description 2
- 238000001256 steam distillation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- HJUGFYREWKUQJT-UHFFFAOYSA-N tetrabromomethane Chemical compound BrC(Br)(Br)Br HJUGFYREWKUQJT-UHFFFAOYSA-N 0.000 description 2
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- ZUDLIFVTNPYZJH-UHFFFAOYSA-N 1,1,2,2-tetraphenylethylbenzene Chemical compound C1=CC=CC=C1C(C(C=1C=CC=CC=1)(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 ZUDLIFVTNPYZJH-UHFFFAOYSA-N 0.000 description 1
- QIDUHGHFWAMMPV-UHFFFAOYSA-N 1,1-diphenylethylbenzene Chemical compound C=1C=CC=CC=1C(C=1C=CC=CC=1)(C)C1=CC=CC=C1 QIDUHGHFWAMMPV-UHFFFAOYSA-N 0.000 description 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- BIRJAUKLRAMLEV-UHFFFAOYSA-N 1-phenylethenoxymethylbenzene Chemical compound C=1C=CC=CC=1C(=C)OCC1=CC=CC=C1 BIRJAUKLRAMLEV-UHFFFAOYSA-N 0.000 description 1
- QZLAEIZEPJAELS-UHFFFAOYSA-N 2,4,4-trimethylpentane-2-thiol Chemical compound CC(C)(C)CC(C)(C)S QZLAEIZEPJAELS-UHFFFAOYSA-N 0.000 description 1
- BYLSIPUARIZAHZ-UHFFFAOYSA-N 2,4,6-tris(1-phenylethyl)phenol Chemical compound C=1C(C(C)C=2C=CC=CC=2)=C(O)C(C(C)C=2C=CC=CC=2)=CC=1C(C)C1=CC=CC=C1 BYLSIPUARIZAHZ-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- SBYMUDUGTIKLCR-UHFFFAOYSA-N 2-chloroethenylbenzene Chemical compound ClC=CC1=CC=CC=C1 SBYMUDUGTIKLCR-UHFFFAOYSA-N 0.000 description 1
- OWHSTLLOZWTNTQ-UHFFFAOYSA-N 2-ethylhexyl 2-sulfanylacetate Chemical compound CCCCC(CC)COC(=O)CS OWHSTLLOZWTNTQ-UHFFFAOYSA-N 0.000 description 1
- MIRQGKQPLPBZQM-UHFFFAOYSA-N 2-hydroperoxy-2,4,4-trimethylpentane Chemical compound CC(C)(C)CC(C)(C)OO MIRQGKQPLPBZQM-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- PMZVSHSZVKFXMZ-UHFFFAOYSA-N 2-phenylmethoxyprop-2-enamide Chemical compound NC(=O)C(=C)OCC1=CC=CC=C1 PMZVSHSZVKFXMZ-UHFFFAOYSA-N 0.000 description 1
- NYVPRWODADOGAO-UHFFFAOYSA-N 2-phenylmethoxyprop-2-enenitrile Chemical compound N#CC(=C)OCC1=CC=CC=C1 NYVPRWODADOGAO-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- DPZYLEIWHTWHCU-UHFFFAOYSA-N 3-ethenylpyridine Chemical compound C=CC1=CC=CN=C1 DPZYLEIWHTWHCU-UHFFFAOYSA-N 0.000 description 1
- FXNREMQIVSLLHN-UHFFFAOYSA-N 4-[[5-chloro-3-[(2,4-dihydroxyphenyl)methyl]-2-hydroxyphenyl]methyl]benzene-1,3-diol Chemical compound OC1=CC(O)=CC=C1CC1=CC(Cl)=CC(CC=2C(=CC(O)=CC=2)O)=C1O FXNREMQIVSLLHN-UHFFFAOYSA-N 0.000 description 1
- KFDVPJUYSDEJTH-UHFFFAOYSA-N 4-ethenylpyridine Chemical compound C=CC1=CC=NC=C1 KFDVPJUYSDEJTH-UHFFFAOYSA-N 0.000 description 1
- VJOWMORERYNYON-UHFFFAOYSA-N 5-ethenyl-2-methylpyridine Chemical compound CC1=CC=C(C=C)C=N1 VJOWMORERYNYON-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzenecarboxaldehyde Natural products O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 229960004106 citric acid Drugs 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- SPTHWAJJMLCAQF-UHFFFAOYSA-M ctk4f8481 Chemical compound [O-]O.CC(C)C1=CC=CC=C1C(C)C SPTHWAJJMLCAQF-UHFFFAOYSA-M 0.000 description 1
- ZXIJMRYMVAMXQP-UHFFFAOYSA-N cycloheptene Chemical compound C1CCC=CCC1 ZXIJMRYMVAMXQP-UHFFFAOYSA-N 0.000 description 1
- 239000008121 dextrose Substances 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- PXJJSXABGXMUSU-UHFFFAOYSA-N disulfur dichloride Chemical compound ClSSCl PXJJSXABGXMUSU-UHFFFAOYSA-N 0.000 description 1
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- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
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- 229920001778 nylon Polymers 0.000 description 1
- QJAOYSPHSNGHNC-UHFFFAOYSA-N octadecane-1-thiol Chemical compound CCCCCCCCCCCCCCCCCCS QJAOYSPHSNGHNC-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000012285 osmium tetroxide Substances 0.000 description 1
- 229910000489 osmium tetroxide Inorganic materials 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
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- DOIRQSBPFJWKBE-UHFFFAOYSA-N phthalic acid di-n-butyl ester Natural products CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- FZYCEURIEDTWNS-UHFFFAOYSA-N prop-1-en-2-ylbenzene Chemical compound CC(=C)C1=CC=CC=C1.CC(=C)C1=CC=CC=C1 FZYCEURIEDTWNS-UHFFFAOYSA-N 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- ITCAUAYQCALGGV-XTICBAGASA-M sodium;(1r,4ar,4br,10ar)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylate Chemical compound [Na+].C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C([O-])=O ITCAUAYQCALGGV-XTICBAGASA-M 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 229960001367 tartaric acid Drugs 0.000 description 1
- NJRXVEJTAYWCQJ-UHFFFAOYSA-N thiomalic acid Chemical compound OC(=O)CC(S)C(O)=O NJRXVEJTAYWCQJ-UHFFFAOYSA-N 0.000 description 1
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- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical class CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 239000002759 woven fabric 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
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/06—Copolymers with styrene
- C09J109/08—Latex
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
-
- 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
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- 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
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
-
- 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
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/06—Butadiene
-
- 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
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/10—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl-aromatic monomers
-
- 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
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
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- 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
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/02—Copolymers with acrylonitrile
- C09J109/04—Latex
-
- 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
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C09J161/12—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with polyhydric phenols
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The copolymer latex for adhesives and the adhesive composition contain a copolymer latex (A) and a copolymer latex (B). The copolymer latex (A) is an emulsion polymer of a monomer composition (a) containing 35 to 75 mass% of a butadiene monomer, 10 to 30 mass% of a vinylpyridine monomer, and 10 to 55 mass% of a styrene monomer. The copolymer latex (B) is an emulsion polymer of a monomer composition (B) containing 3 to 30 mass% of a butadiene monomer. The proportion of the solid content of the copolymer latex (B) to the total solid content of the copolymer latex (A) and the copolymer latex (B) is 5 to 15 mass%, and the number-based average particle diameter of the copolymer latex (B) is 150nm or more.
Description
Technical Field
The present invention relates to a copolymer latex for adhesives, and more particularly to a copolymer latex for adhesives for bonding rubber and fiber, and an adhesive composition containing the copolymer latex for adhesives.
Background
Conventionally, a copolymer latex for adhesives is known which comprises 50 to 90 mass% of a copolymer latex (A) and 10 to 50 mass% of a copolymer latex (B).
The copolymer latex (A) is obtained by emulsion polymerization of a monomer composition (a) containing 35-75 mass% of a butadiene monomer, 10-30 mass% of a vinylpyridine monomer, and 10-55 mass% of a styrene monomer. The copolymer latex (B) is obtained by emulsion polymerization of a monomer composition (B) containing 3 to 25 mass% of a butadiene monomer, 0 to 5 mass% of a vinylpyridine monomer, 55 to 97 mass% of a styrene monomer, 0 to 10 mass% of an ethylenically unsaturated carboxylic acid, and 0 to 20 mass% of a copolymerizable monomer (for example, see patent document 1 listed below).
Documents of the prior art
Patent document
Patent document 1: international publication No. 2011/102003
Disclosure of Invention
Technical problem to be solved by the invention
However, the copolymer latex for adhesives described in patent document 1 described above is difficult to achieve both adhesion and flexibility of tire cords.
Accordingly, an object of the present invention is to provide a copolymer latex for an adhesive and an adhesive composition intended to achieve both adhesion and flexibility of a tire cord.
Technical scheme for solving technical problem
The present invention [1] includes a copolymer latex for adhesives, which comprises a copolymer latex (A) as an emulsion polymer of a monomer composition (a) containing 35 to 75 mass% of a butadiene monomer, 10 to 30 mass% of a vinylpyridine monomer, and 10 to 55 mass% of a styrene monomer, and a copolymer latex (B) as an emulsion polymer of a monomer composition (B) containing 3 to 30 mass% of the butadiene monomer, wherein the proportion of the solid content of the copolymer latex (B) to the total amount of the solid content of the copolymer latex (A) and the solid content of the copolymer latex (B) is 5 to 15 mass%, the average particle diameter of the copolymer latex (B) is 150nm or more based on the number of latex particles.
The present invention [2] comprises the copolymer latex for adhesives of [1], wherein the monomer composition (b) further contains 50 to 85 mass% of the styrene monomer and 30 mass% of the vinylpyridine monomer.
The invention [3] is the copolymer latex for adhesives according to [1] or [2], wherein the monomer composition (a) contains 50% by mass or more of the butadiene monomer.
The invention [4] comprises the copolymer latex for adhesives according to any one of the above [1] to [3], wherein the proportion of the copolymer latex (B) to the total amount of the copolymer latex (A) and the copolymer latex (B) is 10% by mass or more.
The present invention [5] includes an adhesive composition comprising a copolymer latex (A) which is an emulsion polymer of a monomer composition (a) containing 35 to 75 mass% of a butadiene monomer, 10 to 30 mass% of a vinylpyridine monomer, and 10 to 55 mass% of a styrene monomer, a copolymer latex (B) which is an emulsion polymer of a monomer composition (B) containing 3 to 30 mass% of the butadiene monomer, and a resorcinol-formalin resin, wherein the ratio of the solid content of the copolymer latex (B) to the total solid content of the copolymer latex (A) and the copolymer latex (B) is 5 to 15 mass%, the average particle diameter of the copolymer latex (B) is 150nm or more based on the number of latex particles.
ADVANTAGEOUS EFFECTS OF INVENTION
When the copolymer latex for adhesives and the adhesive composition of the present invention are used, both adhesion and flexibility of tire cords can be expected.
Detailed Description
1. Copolymer latex for adhesive
The copolymer latex for adhesives contains a copolymer latex (A) and a copolymer latex (B). Preferably, the copolymer latex for adhesives is composed of a copolymer latex (a) and a copolymer latex (B).
(1) Copolymer latex (A)
The copolymer latex (A) is an emulsion polymer of the monomer composition (a). The monomer composition (a) contains a butadiene monomer, a vinylpyridine monomer, and a styrene monomer. In other words, the latex particles in the copolymer latex (a) have a structural unit derived from a butadiene monomer, a structural unit derived from a vinylpyridine monomer, and a structural unit derived from a styrene monomer.
Examples of the butadiene monomer include 1, 3-butadiene, 2-methyl-1, 3-butadiene, and 2, 3-dimethyl-1, 3-butadiene. The butadiene monomer is preferably 1, 3-butadiene. The monomer composition (a) may comprise 1 butadiene monomer. The monomer composition (a) may also comprise a plurality of butadiene monomers.
Examples of the vinylpyridine monomer include 2-vinylpyridine, 3-vinylpyridine, 4-vinylpyridine and 2-methyl-5-vinylpyridine. The vinylpyridine monomer is preferably 2-vinylpyridine. The monomer composition (a) may contain 1 vinylpyridine monomer. The monomer composition (a) may also contain a plurality of vinylpyridine monomers.
Examples of the styrene monomer include styrene, α -methylstyrene and monochlorostyrene. The styrene monomer is preferably styrene. The monomer composition (a) may contain 1 styrene monomer. The monomer composition (a) may also contain a plurality of styrene monomers.
The monomer composition (a) contains 35% by mass or more, preferably 45% by mass or more, more preferably 50% by mass or more and 75% by mass or less, preferably 70% by mass or less of a butadiene monomer. In other words, the latex particles in the copolymer latex (a) contain 35% by mass or more, preferably 45% by mass or more, more preferably 50% by mass or more and 75% by mass or less, preferably 70% by mass or less of the structural units derived from the butadiene monomer.
If the proportion of the butadiene monomer in the monomer composition (a) is from 35 to 75 mass%, both the adhesion and the flexibility of the tire cord can be achieved.
Here, the adhesion refers to the adhesion between the tire cord treated with the adhesive composition containing the copolymer latex for adhesives and the rubber. The adhesive composition will be described later. The adhesion is the initial adhesion and the heat resistant adhesion. The initial adhesion and the heat-resistant adhesion were measured by ASTM D2138-67(H PULLTest).
The flexibility of the tire cord fabric means the flexibility of the tire cord fabric treated with the adhesive composition containing the copolymer latex for the adhesive.
If the proportion of the butadiene monomer in the monomer composition (a) is 50 to 75 mass%, the flexibility of the tire cord can be improved. If the proportion of the butadiene monomer in the monomer composition (a) is less than 35% by mass, the initial adhesion is lowered and the flexibility of the tire cord is lowered. If the proportion of the butadiene monomer in the monomer composition (a) exceeds 75 mass%, the heat-resistant adhesion is lowered.
The monomer composition (a) contains 10 mass% or more, preferably 15 mass% or more and 30 mass% or less, preferably 25 mass% or less of a vinylpyridine monomer. In other words, the latex particles in the copolymer latex (a) contain 10 mass% or more, preferably 15 mass% or more and 30 mass% or less, preferably 25 mass% or less of the structural units derived from the vinylpyridine monomer.
When the monomer composition (a) contains the vinylpyridine monomer in an amount of 10 to 30 mass%, both adhesion and flexibility of the tire cord can be achieved. On the other hand, if the proportion of the vinylpyridine monomer in the monomer composition (a) is less than 10 mass%, the initial adhesion is lowered. If the proportion of the vinylpyridine monomer in the monomer composition (a) exceeds 30 mass%, the initial adhesion and the heat-resistant adhesion are reduced, and the flexibility of the tire cord is reduced.
The monomer composition (a) contains 10 mass% or more and 55 mass% or less, preferably 50 mass% or less, and more preferably 30 mass% or less of a styrene monomer. In other words, the latex particles in the copolymer latex (a) contain 10 mass% or more and 55 mass% or less, preferably 50 mass% or less, and more preferably 30 mass% or less of the structural units derived from the styrene monomer.
When the styrene monomer content in the monomer composition (a) is not less than 10 mass% and not more than 55 mass%, both adhesion and flexibility of the tire cord can be achieved. Further, if the proportion of the styrene monomer in the monomer composition (a) is 10 mass% or more and 30 mass% or less, the flexibility of the tire cord can be improved. On the other hand, if the proportion of the styrene monomer in the monomer composition (a) is less than 10 mass%, the heat-resistant adhesive strength is lowered.
The monomer composition (a) may contain another monomer copolymerizable with the butadiene monomer, the vinylpyridine monomer, and the styrene monomer.
Examples of the other monomer include an ethylenic cyanide monomer such as acrylonitrile or methacrylonitrile, an ethylenically unsaturated carboxylic acid monomer such as acrylic acid, methacrylic acid, itaconic acid, fumaric acid or maleic acid, an ethylenically unsaturated carboxylic acid alkyl ester monomer such as methyl methacrylate, ethyl acrylate or butyl acrylate, an ethylenically unsaturated carboxylic acid hydroxyalkyl ester monomer such as β -hydroxyethyl acrylate or β -hydroxyethyl methacrylate, and an amide monomer such as acrylamide or methacrylamide. The monomer composition (a) may contain 1 other monomer. The monomer composition (a) may also contain a plurality of other monomers.
The monomer composition (a) is preferably composed of a butadiene monomer, a vinylpyridine monomer and a styrene monomer.
The average particle diameter based on the number of latex particles in the copolymer latex (A) is, for example, 50nm or more, preferably 90nm or more, for example, 200nm or less, preferably 150nm or less.
The average particle diameter was determined by dyeing the copolymer latex with osmium tetroxide, taking a transmission electron micrograph, measuring the diameters of 1000 particles using an image analysis processing apparatus (apparatus name: IP-1000PC, manufactured by Asahi Kasei corporation), and averaging the numbers.
(2) Copolymer latex (B)
The copolymer latex (B) is an emulsion polymer of the monomer composition (B). The monomer composition (b) contains a butadiene monomer, a styrene monomer, and if necessary, a vinylpyridine monomer. In other words, the latex particles in the copolymer latex (B) have a structural unit derived from a butadiene monomer, a structural unit derived from a styrene monomer, and, if necessary, a structural unit derived from a vinylpyridine monomer. In addition, the monomer composition (b) may also contain other monomers copolymerizable with the butadiene monomer, the vinylpyridine monomer, and the styrene monomer. Preferably, the monomer composition (b) is composed of a butadiene monomer, a styrene monomer, and a vinylpyridine monomer.
Examples of the butadiene monomer, the styrene monomer, the vinylpyridine monomer and the other monomer may include the same monomers as those exemplified for the copolymer latex (a).
The monomer composition (b) contains 3 mass% or more, preferably 10 mass% or more, and more preferably 15 mass% or more and 30 mass% or less of a butadiene monomer. In other words, the latex particles of the copolymer latex (B) contain 3 mass% or more, preferably 10 mass% or more, more preferably 15 mass% or more and 30 mass% or less of the structural units derived from the butadiene monomer.
If the butadiene monomer content in the monomer composition (b) is 3 to 30 mass%, both adhesion and flexibility of the tire cord can be achieved. On the other hand, if the proportion of the butadiene monomer in the monomer composition (b) is less than 3 mass%, the initial adhesion is lowered. If the proportion of the butadiene monomer in the monomer composition (b) exceeds 30 mass%, the heat-resistant adhesion is lowered.
The monomer composition (b) contains, for example, 50 mass% or more, preferably 55 mass% or more, and, for example, 85 mass% or less, preferably 82 mass% or less of a styrene monomer. In other words, the latex particles of the copolymer latex (B) contain, for example, 50 mass% or more, preferably 55 mass% or more and 85 mass% or less, preferably 82 mass% or less of the structural units derived from a styrene monomer.
When the styrene monomer content in the monomer composition (b) is 50 to 85 mass% (i.e., 50 to 85 mass%), both the adhesion and the flexibility of the tire cord can be achieved.
When the monomer composition (b) contains a vinylpyridine monomer, the vinylpyridine monomer is contained in an amount of, for example, 30% by mass or less, preferably 15% by mass or less and, for example, 3% by mass or more. In other words, the latex particles of the copolymer latex (B) contain, for example, 30% by mass or less, preferably 15% by mass or less and 3% by mass or more of the structural units derived from the vinylpyridine monomer.
When the proportion of the vinylpyridine monomer in the monomer composition (b) is 30% by mass or less, both adhesion and flexibility of the tire cord can be achieved.
The average particle diameter based on the number of latex particles in the copolymer latex (B) is different from the average particle diameter based on the number of latex particles in the copolymer latex (A). The average particle diameter based on the number of latex particles in the copolymer latex (B) is larger than the average particle diameter based on the number of latex particles in the copolymer latex (A). The average particle diameter based on the number of latex particles in the copolymer latex (B) is 150nm or more, for example, 250nm or less, preferably 200nm or less, and more preferably 180nm or less.
When the average particle diameter based on the number of latex particles in the copolymer latex (B) is 150nm or more, both the adhesion and the flexibility of the tire cord can be satisfied. On the other hand, if the average particle diameter based on the number of latex particles in the copolymer latex (B) is less than 150nm, the adhesive strength (initial adhesive strength and heat-resistant adhesive strength) is lowered.
(3) Blending ratio of copolymer latex (A) and copolymer latex (B)
In the copolymer latex for adhesives, the proportion of the solid content of the copolymer latex (a) to the total amount of the solid content of the copolymer latex (a) and the solid content of the copolymer latex (B) is 85 mass% or more, preferably 88 mass% or more and 95 mass% or less, preferably 92 mass% or less.
In the copolymer latex for adhesives, the proportion of the solid content of the copolymer latex (B) to the total amount of the solid content of the copolymer latex (a) and the solid content of the copolymer latex (B) is 5 mass% or more, preferably 8 mass% or more and 15 mass% or less, preferably 12 mass% or less.
If the proportion of the solid content of the copolymer latex (B) to the total solid content of the copolymer latex (a) and the copolymer latex (B) is 5 mass% or more and 15 mass% or less, both the adhesion and the flexibility of the tire cord can be achieved. Further, if the proportion of the solid content of the copolymer latex (B) to the total amount of the solid content of the copolymer latex (a) and the solid content of the copolymer latex (B) is 10 mass% or more and 15 mass% or less, the flexibility of the tire cord can be improved. On the other hand, if the proportion of the solid content of the copolymer latex (B) to the total amount of the solid content of the copolymer latex (a) and the solid content of the copolymer latex (B) is less than 5% by mass, the heat-resistant adhesive strength is lowered. If the proportion of the solid content of the copolymer latex (B) to the total solid content of the copolymer latex (A) and the copolymer latex (B) exceeds 15 mass%, the flexibility of the tire cord is lowered.
2. Production of copolymer latex for adhesive
(1) Production of copolymer latex
In order to produce the copolymer latex for adhesives, first, the copolymer latex (a) and the copolymer latex (B) are produced.
To obtain the copolymer latex (a), the monomer composition (a) is emulsion polymerized. To obtain the copolymer latex (B), the monomer composition (B) is emulsion polymerized.
For emulsion polymerization of the monomer composition (a) or the monomer composition (b), for example, the monomer composition (a) or the monomer composition (b), water, and an emulsifier used as needed are mixed, and the monomer composition (a) or the monomer composition (b) is emulsified.
Examples of the emulsifier include nonionic surfactants such as alkyl ester type, alkyl phenyl ether type and alkyl ether type of polyethylene glycol, anionic surfactants such as rosin acid salts, fatty acid salts, sulfuric acid ester salts of higher alcohols, alkylbenzene sulfonic acid salts, alkyl diphenyl ether sulfonic acid salts, aliphatic carboxylic acid salts, sulfuric acid ester salts of nonionic surfactants and formalin condensates of naphthalene sulfonic acid salts, preferably anionic surfactants, more preferably alkylbenzene sulfonic acid salts, rosin acid salts and formalin condensates of naphthalene sulfonic acid salts. The number of the emulsifiers may be 1 or more.
The emulsifier may be added to the polymerization system by any method of one-time addition, continuous addition or batch addition, and may be added not only at the initial stage of polymerization but also during or after completion of polymerization in view of stability during polymerization.
Next, a polymerization initiator is added to the emulsion of the monomer composition (a) or the monomer composition (b).
The polymerization initiator is a radical polymerization initiator, and examples thereof include water-soluble polymerization initiators such as potassium persulfate, sodium persulfate and ammonium persulfate, and oil-soluble polymerization initiators such as cumene hydroperoxide, benzoyl peroxide, tert-butyl hydroperoxide, acetyl peroxide, diisopropylbenzene hydroperoxide and 1,1,3, 3-tetramethylbutylhydroperoxide. As the water-soluble polymerization initiator, potassium persulfate, sodium persulfate, and ammonium persulfate are preferable, and as the oil-soluble polymerization initiator, cumene hydroperoxide is preferable.
In the emulsion polymerization of the monomer composition (a) or the monomer composition (b), a reducing agent, a chain transfer agent, a hydrocarbon solvent, and other additives may be added as necessary.
Examples of the reducing agent include sulfites, bisulfites, pyrosulfites, dithionites, dithionates, thiosulfates, formaldehyde sulfonates, and benzaldehyde sulfonates, carboxylic acids such as L-ascorbic acid, isoascorbic acid, tartaric acid, and citric acid, and salts thereof, reducing sugars such as dextrose and sucrose, and amines such as dimethylaniline and triethanolamine. Preferably, carboxylic acids and salts thereof are mentioned, and more preferably, L-ascorbic acid and erythorbic acid are mentioned.
Examples of the chain transfer agent include alkyl mercaptans such as n-hexyl mercaptan, n-octyl mercaptan, t-octyl mercaptan, n-dodecyl mercaptan, t-dodecyl mercaptan and n-octadecyl mercaptan, xanthogen compounds such as dithiodimethyl xanthogen and dithiodiisopropyl xanthogen, thiuram compounds such as dithiotetramethylthiuram, dithiotetraethylthiuram and monothiotetramethylthiuram, phenol compounds such as 2, 6-di-t-butyl-4-methylphenol and styrenated phenol, allyl compounds such as allyl alcohol, halogenated hydrocarbon compounds such as methylene chloride, methylene bromide and carbon tetrabromide, vinyl ethers such as α -benzyloxystyrene, α -benzyloxyacrylonitrile and α -benzyloxyacrylamide, vinyl ethers such as triphenylethane, pentaphenylethane, pentakis-decylethane, and mixtures thereof, Acrolein, methacrolein, thioglycolic acid, thiomalic acid, 2-ethylhexyl thioglycolate, α -methylstyrene dimer and the like, and preferably, alkyl mercaptan is mentioned, and more preferably, n-octyl mercaptan and t-dodecyl mercaptan are mentioned. The chain transfer agent may be 1 or more.
The chain transfer agent is added, for example, in a proportion of 10 parts by mass or less, preferably 7 parts by mass or less and 0.05 parts by mass or more, for example, with respect to 100 parts by mass of the monomer composition (a).
The hydrocarbon solvent may, for example, be a saturated hydrocarbon such as pentane, hexane, heptane, octane, cyclohexane or cycloheptane, an unsaturated hydrocarbon such as pentene, hexene, heptene, cyclopentene, cyclohexene, cycloheptene, 4-methylcyclohexene or 1-methylcyclohexene, and preferably, cyclohexene. Cyclohexene can be easily recovered and reused by steam distillation or the like after completion of polymerization at a low boiling point, and is preferable from the viewpoint of environmental load.
Examples of the other additive include electrolytes such as sodium hydroxide, sodium carbonate, potassium carbonate and sodium hydrogencarbonate, polymerization inhibitors such as hydroquinone and polymerization accelerators such as chelating agents.
In the production of the copolymer latex (a) or the copolymer latex (B), the polymerization method is not limited, and batch polymerization, semibatch polymerization, seed polymerization, and the like can be applied. The method of adding the various components is not limited, and a one-shot addition method, a batch addition method, a continuous addition method, an automatic feed (パワーフィード) method, or the like can be used.
(2) Preparation of copolymer latex for adhesive
The copolymer latex for adhesives is prepared by mixing the copolymer latex (a) and the copolymer latex (B) in the above-mentioned ratio. Further, the copolymer latex for adhesives may also be prepared by diluting a mixture of the copolymer latex (a) and the copolymer latex (B) with water.
3. Adhesive composition
The adhesive composition is blended with a copolymer latex for adhesives. The adhesive composition is preferably used for bonding rubber and rubber reinforcing fiber.
The rubber is not particularly limited, and examples thereof include natural rubber, SBR, NBR, chloroprene rubber, polybutadiene rubber, polyisoprene rubber, and various modified rubbers of these rubbers. In addition, known additives such as a filler, a softener, a vulcanizing agent, and a vulcanization accelerator may be blended in the rubber.
Examples of the rubber-reinforcing fibers include nylon fibers, polyester fibers, and aramid fibers. The form of these fibers is not particularly limited, and examples thereof include cord fabric (Japanese: コード), cable, woven fabric, canvas, and short fibers.
The adhesive composition contains copolymer latex for adhesives and resorcinol-formalin resin. In other words, the adhesive composition contains the copolymer latex (a), the copolymer latex (B), and the resorcinol-formalin resin. The adhesive composition is prepared by mixing copolymer latex for adhesives and resorcinol-formalin resin. In addition, the adhesive composition may also be prepared by mixing the copolymer latex (a) and the copolymer latex (B) with resorcinol-formalin resin.
The ratio of the resorcinol-formalin resin in the adhesive composition is, for example, 5 parts by mass or more and 100 parts by mass or less, preferably 90 parts by mass or less, based on 100 parts by mass of the copolymer latex for adhesives, in terms of solid content.
The adhesive composition may further contain, if necessary, a modified resorcinol-formalin resin such as a mixture of isocyanate, blocked isocyanate, ethylene urea, 2, 6-bis (2, 4-dihydroxyphenylmethyl) -4-chlorophenol, a condensate of resorcinol and sulfur monochloride, and a resorcinol-formalin condensate, an adhesive auxiliary agent such as a polyepoxide, modified polyvinyl chloride, or carbon black, a filler, a crosslinking agent, a vulcanizing agent, or a vulcanization accelerator.
Then, when bonding the rubber and the rubber reinforcing fiber, first, the adhesive composition is used to treat the rubber reinforcing fiber.
Specifically, the adhesive composition is impregnated with the rubber reinforcing fibers by, for example, a dip coater or the like. Next, the rubber reinforcing fiber impregnated with the adhesive composition is dried at, for example, 100 ℃ or more, preferably 110 ℃ or more and at, for example, 150 ℃ or less, preferably 130 ℃ or less for, for example, 80 seconds or more, preferably 100 seconds or more and 200 seconds or less, preferably 150 seconds or less. Thereafter, the dried rubber-reinforced fibers are heated (sintered) at, for example, 180 ℃ or more, preferably 200 ℃ or more and, for example, 300 ℃ or less, preferably 260 ℃ or less for, for example, 30 seconds or more, preferably 50 seconds or more and, for example, 100 seconds or less, preferably 80 seconds or less. This completes the treatment of the adhesive composition for rubber-reinforced fibers.
After the above treatment, the rubber reinforcing fiber treated with the adhesive composition is brought into contact with rubber, and the rubber reinforcing fiber are heated and pressurized to bond the rubber and the rubber reinforcing fiber.
4. Effect
The copolymer latex for adhesives and the adhesive composition contain a copolymer latex (A) and a copolymer latex (B). The copolymer latex (A) is an emulsion polymer of a monomer composition (a) containing 35 to 75 mass% of a butadiene monomer, 10 to 30 mass% of a vinylpyridine monomer, and 10 to 55 mass% of a styrene monomer. The copolymer latex (B) is an emulsion polymer of a monomer composition (B) containing 3 to 30 mass% of a butadiene monomer. The proportion of the solid content of the copolymer latex (B) to the total solid content of the copolymer latex (A) and the copolymer latex (B) is 5 to 15 mass%, and the number-based average particle diameter of the copolymer latex (B) is 150nm or more.
Thus, both the adhesion and the flexibility of the tire cord can be achieved.
Examples
The present invention will be described below with reference to examples and comparative examples, but the present invention is not limited to the following examples. The specific numerical values of the blending ratio or the content ratio used in the following description may be replaced with the upper limit value or the lower limit value of the blending ratio or the content ratio corresponding thereto described in the above embodiments.
1. Production of copolymer latex (A)
(1) Synthesis examples 1 and 2 and comparative Synthesis examples 1 to 3
130 parts by mass of water was added to an autoclave equipped with a stirrer, and 1 part by mass of a formalin condensate (emulsifier) of sodium naphthalenesulfonate, 0.5 part by mass of sodium hydroxide (electrolyte), and 4 parts by mass of potassium rosinate (emulsifier) were dissolved.
Subsequently, the monomer composition (a) shown in table 1 and 0.55 part by mass of t-dodecyl mercaptan (chain transfer agent) were added and emulsified.
Thereafter, 0.5 part by mass of potassium persulfate (polymerization initiator) was added to the emulsion, and the monomer composition (a) was polymerized while maintaining the internal temperature at 50 ℃.
When the polymerization conversion reached 93%, 0.1 part by mass of hydroquinone (polymerization inhibitor) was added to stop the polymerization, and then unreacted monomers were removed by reduced pressure evaporation to obtain copolymer latexes (a) of synthesis examples 1 and 2 and comparative synthesis examples 1 to 3.
The average particle diameter of the latex particles in the copolymer latex (a) is shown in table 1.
[ Table 1]
TABLE 1
(2) Synthesis example 3
135 parts by mass of water was added to an autoclave equipped with a stirrer, and 1 part by mass of a formalin condensate of sodium naphthalenesulfonate, 0.5 part by mass of sodium hydroxide, and 5.0 parts by mass of potassium rosinate (emulsifier) were dissolved therein.
Next, the monomer composition (a) in the first stage shown in Table 1 and 0.3 part by mass of t-dodecylmercaptan were added and emulsified.
Thereafter, 0.5 part by mass of potassium persulfate was added to the emulsion, and the internal temperature was maintained at 55 ℃ to polymerize the monomer composition (a) in the first stage.
When the polymerization conversion of the monomer composition (a) in the first stage reached 82%, 0.25 parts by mass of the monomer composition (a) in the second stage shown in Table 1 and tert-dodecyl mercaptan were continuously added to continue the polymerization.
When the polymerization conversion reached 93%, 0.1 part by mass of hydroquinone (polymerization inhibitor) was added to stop the polymerization, and then unreacted monomers were removed by reduced pressure distillation to obtain a copolymer latex (a) of synthesis example 3.
The average particle diameter of the latex particles in the copolymer latex (a) is shown in table 1.
2. Production of copolymer latex (B)
An autoclave equipped with a stirrer was charged with water in an amount shown in Table 2, and an emulsifier (specifically sodium dodecylbenzenesulfonate or sodium abietate), an electrolyte, and a polymerization initiator (specifically potassium persulfate) in an amount shown in Table 2 were added and stirred.
Subsequently, the monomer composition (b), the chain transfer agent (specifically, t-dodecyl mercaptan) and the hydrocarbon solvent (specifically, cyclohexene) were added in the amounts shown in table 2, and polymerization was carried out while maintaining the internal temperature as shown in table 2, and the polymerization was terminated when the polymerization conversion rate reached 98%.
Subsequently, an aqueous sodium hydroxide solution was added to adjust the pH to 8, and then unreacted monomers and the like were removed by steam distillation to obtain copolymer latexes (B) of synthesis examples 4 to 7 and comparative synthesis examples 4 to 7.
The average particle diameter of the latex particles in the copolymer latex (B) is shown in table 2.
[ Table 2]
TABLE 2
3. Preparation of copolymer latex for adhesive
The copolymer latex (a) and the copolymer latex (B) were blended and mixed in the blending ratios shown in tables 3 and 4 to obtain copolymer latexes for adhesives of examples and comparative examples.
[ Table 3]
TABLE 3
[ Table 4]
TABLE 4
4. Preparation of adhesive composition
To 260 parts by mass of water, 4 parts by mass of 10% sodium hydroxide was added and stirred, and then 7.9 parts by mass of resorcinol and 8.6 parts by mass of 37% formalin were added, and the mixture was stirred and mixed, and then aged at 30 ℃ for 6 hours to synthesize a resorcinol-formalin resin. The solid content (evaporation residue) of the resorcinol-formalin resin was 4.1 mass%.
Then, to 100 parts by mass of the copolymer latex for adhesives of each example and each comparative example, water was added under conditions such that the solid content concentration of the adhesive composition became 16.5% by mass, followed by stirring, followed by adding the total amount of resorcinol-formalin resin (280.5 parts by mass) and 11.4 parts by mass of 28% aqueous ammonia, followed by stirring and mixing.
The ratio of the resorcinol-formalin resin in the adhesive composition was 11.5 parts by mass in terms of solid content with respect to 100 parts by mass of the copolymer latex for adhesives.
Thereafter, 46.3 parts by mass of a 27% blocked isocyanate dispersion (SU-125F, manufactured by Mingchi chemical industries, Ltd.) was added thereto, and the mixture was cured at 30 ℃ for 48 hours to obtain an adhesive composition.
5. Evaluation of
(1) Preparation of evaluation sample
The pretreated polyester tire cord (1500D/2) was dipped in the adhesive composition of each example and each comparative example using a single-cord dip coater for test, dried at 120 ℃ for 120 seconds, and then sintered at 240 ℃ for 60 seconds.
(2) Measurement of flexibility of tire cord Fabric
The polyester tire cord treated with the adhesive compositions of examples and comparative examples was cut to 11cm and measured by a handle dynamometer (ハンドルオメーター). The slit width of the handle dynamometer was set to 20 mm. The average of 10 was taken as the softness value.
The results are shown in tables 3 and 4.
(3) Measurement of adhesion
The polyester tire cord treated with the adhesive compositions of examples and comparative examples was sandwiched between rubbers prepared according to the following blend formulation, and vulcanization and pressurization were carried out under conditions of 160 ℃ for 20 minutes (initial adhesion evaluation conditions) or 170 ℃ for 50 minutes (heat-resistant adhesion evaluation conditions).
< rubber formulation >
In addition, アンチゲン RD is a 2,2, 4-trimethyl-1, 2-dihydroquinoline polymer.
The initial adhesion and heat-resistant adhesion of the rubber and the rubber-reinforced fiber were measured in accordance with ASTM D2138-67(H Pull Test).
The results are shown in tables 3 and 4.
The present invention is provided as an exemplary embodiment of the present invention, but this is merely an example and is not to be construed as limiting. Variations of the present invention that are obvious to those skilled in the art are intended to be included within the scope of the claims that follow.
Possibility of industrial utilization
The copolymer latex for adhesives and the adhesive composition of the present invention can be used for bonding rubber and rubber-reinforced fibers.
Claims (5)
1. A copolymer latex for adhesives, characterized by comprising:
a copolymer latex (A) which is an emulsion polymer of a monomer composition (a) containing 35 to 75 mass% of a butadiene monomer, 10 to 30 mass% of a vinylpyridine monomer, and 10 to 55 mass% of a styrene monomer, and
a copolymer latex (B) which is an emulsion polymer of a monomer composition (B) containing 3 to 30 mass% of the butadiene monomer,
the proportion of the solid content of the copolymer latex (B) to the total amount of the solid content of the copolymer latex (A) and the solid content of the copolymer latex (B) is 5 to 15 mass%,
the average particle diameter of the copolymer latex (B) is 150nm or more based on the number of latex particles.
2. The copolymer latex for adhesives according to claim 1, wherein the monomer composition (b) further contains 50 mass% or more and 85 mass% or less of the styrene monomer and 30 mass% or less of the vinylpyridine monomer.
3. The copolymer latex for adhesives according to claim 1, wherein the monomer composition (a) contains 50% by mass or more of the butadiene monomer.
4. The copolymer latex for adhesives according to any one of claims 1 to 3, wherein the proportion of the copolymer latex (B) to the total amount of the copolymer latex (A) and the copolymer latex (B) is 10% by mass or more.
5. An adhesive composition, comprising:
a copolymer latex (A) which is an emulsion polymer of a monomer composition (a) containing 35 to 75 mass% of a butadiene monomer, 10 to 30 mass% of a vinylpyridine monomer, and 10 to 55 mass% of a styrene monomer, and
a copolymer latex (B) which is an emulsion polymer of a monomer composition (B) containing 3 to 30 mass% of the butadiene monomer, and
the resorcinol-formalin resin is prepared by the following steps of,
the proportion of the solid content of the copolymer latex (B) to the total amount of the solid content of the copolymer latex (A) and the solid content of the copolymer latex (B) is 5 to 15 mass%,
the average particle diameter of the copolymer latex (B) is 150nm or more based on the number of latex particles.
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| JP2019-123495 | 2019-07-02 | ||
| JP2019123495A JP7304753B2 (en) | 2019-07-02 | 2019-07-02 | Adhesive copolymer latex and adhesive composition |
| PCT/JP2020/023427 WO2021002181A1 (en) | 2019-07-02 | 2020-06-15 | Copolymer latex for adhesive and adhesive composition |
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| CN114040931A true CN114040931A (en) | 2022-02-11 |
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| JP (1) | JP7304753B2 (en) |
| KR (1) | KR20220029576A (en) |
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| JP2021008575A (en) | 2021-01-28 |
| KR20220029576A (en) | 2022-03-08 |
| WO2021002181A1 (en) | 2021-01-07 |
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