WO2022102247A1 - クロロプレン重合体組成物及びその製造方法、並びに、浸漬成形体 - Google Patents
クロロプレン重合体組成物及びその製造方法、並びに、浸漬成形体 Download PDFInfo
- Publication number
- WO2022102247A1 WO2022102247A1 PCT/JP2021/034390 JP2021034390W WO2022102247A1 WO 2022102247 A1 WO2022102247 A1 WO 2022102247A1 JP 2021034390 W JP2021034390 W JP 2021034390W WO 2022102247 A1 WO2022102247 A1 WO 2022102247A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mass
- acid
- chloroprene polymer
- chloroprene
- less
- Prior art date
Links
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 title claims abstract description 185
- 229920000642 polymer Polymers 0.000 title claims abstract description 148
- 239000000203 mixture Substances 0.000 title claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 73
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 72
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 42
- 150000003839 salts Chemical class 0.000 claims abstract description 24
- BTXXTMOWISPQSJ-UHFFFAOYSA-N 4,4,4-trifluorobutan-2-one Chemical compound CC(=O)CC(F)(F)F BTXXTMOWISPQSJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- BQACOLQNOUYJCE-FYZZASKESA-N Abietic acid Natural products CC(C)C1=CC2=CC[C@]3(C)[C@](C)(CCC[C@@]3(C)C(=O)O)[C@H]2CC1 BQACOLQNOUYJCE-FYZZASKESA-N 0.000 claims abstract description 9
- QUUCYKKMFLJLFS-UHFFFAOYSA-N Dehydroabietan Natural products CC1(C)CCCC2(C)C3=CC=C(C(C)C)C=C3CCC21 QUUCYKKMFLJLFS-UHFFFAOYSA-N 0.000 claims abstract description 7
- NFWKVWVWBFBAOV-UHFFFAOYSA-N Dehydroabietic acid Natural products OC(=O)C1(C)CCCC2(C)C3=CC=C(C(C)C)C=C3CCC21 NFWKVWVWBFBAOV-UHFFFAOYSA-N 0.000 claims abstract description 7
- NFWKVWVWBFBAOV-MISYRCLQSA-N dehydroabietic acid Chemical compound OC(=O)[C@]1(C)CCC[C@]2(C)C3=CC=C(C(C)C)C=C3CC[C@H]21 NFWKVWVWBFBAOV-MISYRCLQSA-N 0.000 claims abstract description 7
- 229940118781 dehydroabietic acid Drugs 0.000 claims abstract description 7
- 230000000379 polymerizing effect Effects 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims description 112
- 238000004073 vulcanization Methods 0.000 claims description 57
- 239000000178 monomer Substances 0.000 claims description 47
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 34
- 238000007654 immersion Methods 0.000 claims description 34
- 229910052717 sulfur Inorganic materials 0.000 claims description 34
- 239000011593 sulfur Substances 0.000 claims description 34
- LIFLRQVHKGGNSG-UHFFFAOYSA-N 2,3-dichlorobuta-1,3-diene Chemical compound ClC(=C)C(Cl)=C LIFLRQVHKGGNSG-UHFFFAOYSA-N 0.000 claims description 25
- MXYATHGRPJZBNA-KRFUXDQASA-N isopimaric acid Chemical compound [C@H]1([C@](CCC2)(C)C(O)=O)[C@@]2(C)[C@H]2CC[C@@](C=C)(C)CC2=CC1 MXYATHGRPJZBNA-KRFUXDQASA-N 0.000 abstract description 18
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound 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 abstract description 15
- 238000000034 method Methods 0.000 abstract description 14
- MHVJRKBZMUDEEV-UHFFFAOYSA-N (-)-ent-pimara-8(14),15-dien-19-oic acid Natural products C1CCC(C(O)=O)(C)C2C1(C)C1CCC(C=C)(C)C=C1CC2 MHVJRKBZMUDEEV-UHFFFAOYSA-N 0.000 abstract description 11
- MXYATHGRPJZBNA-UHFFFAOYSA-N 4-epi-isopimaric acid Natural products C1CCC(C(O)=O)(C)C2C1(C)C1CCC(C=C)(C)CC1=CC2 MXYATHGRPJZBNA-UHFFFAOYSA-N 0.000 abstract description 9
- RWWVEQKPFPXLGL-ONCXSQPRSA-N L-Pimaric acid Chemical compound [C@H]1([C@](CCC2)(C)C(O)=O)[C@@]2(C)[C@H]2CC=C(C(C)C)C=C2CC1 RWWVEQKPFPXLGL-ONCXSQPRSA-N 0.000 abstract description 3
- RWWVEQKPFPXLGL-UHFFFAOYSA-N Levopimaric acid Natural products C1CCC(C(O)=O)(C)C2C1(C)C1CC=C(C(C)C)C=C1CC2 RWWVEQKPFPXLGL-UHFFFAOYSA-N 0.000 abstract description 3
- MHVJRKBZMUDEEV-APQLOABGSA-N (+)-Pimaric acid Chemical compound [C@H]1([C@](CCC2)(C)C(O)=O)[C@@]2(C)[C@H]2CC[C@](C=C)(C)C=C2CC1 MHVJRKBZMUDEEV-APQLOABGSA-N 0.000 abstract description 2
- UZZYXZWSOWQPIS-UHFFFAOYSA-N 3-fluoro-5-(trifluoromethyl)benzaldehyde Chemical compound FC1=CC(C=O)=CC(C(F)(F)F)=C1 UZZYXZWSOWQPIS-UHFFFAOYSA-N 0.000 abstract description 2
- MLBYBBUZURKHAW-UHFFFAOYSA-N 4-epi-Palustrinsaeure Natural products CC12CCCC(C)(C(O)=O)C1CCC1=C2CCC(C(C)C)=C1 MLBYBBUZURKHAW-UHFFFAOYSA-N 0.000 abstract 1
- KGMSWPSAVZAMKR-UHFFFAOYSA-N Me ester-3, 22-Dihydroxy-29-hopanoic acid Natural products C1CCC(C(O)=O)(C)C2C1(C)C1CCC(=C(C)C)C=C1CC2 KGMSWPSAVZAMKR-UHFFFAOYSA-N 0.000 abstract 1
- KGMSWPSAVZAMKR-ONCXSQPRSA-N Neoabietic acid Chemical compound [C@H]1([C@](CCC2)(C)C(O)=O)[C@@]2(C)[C@H]2CCC(=C(C)C)C=C2CC1 KGMSWPSAVZAMKR-ONCXSQPRSA-N 0.000 abstract 1
- MLBYBBUZURKHAW-MISYRCLQSA-N Palustric acid Chemical compound C([C@@]12C)CC[C@@](C)(C(O)=O)[C@@H]1CCC1=C2CCC(C(C)C)=C1 MLBYBBUZURKHAW-MISYRCLQSA-N 0.000 abstract 1
- 239000000047 product Substances 0.000 description 45
- 239000004816 latex Substances 0.000 description 30
- 229920000126 latex Polymers 0.000 description 30
- 239000003795 chemical substances by application Substances 0.000 description 17
- -1 2-ethylhexyl Chemical group 0.000 description 12
- 238000011156 evaluation Methods 0.000 description 12
- 239000007787 solid Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- 239000012986 chain transfer agent Substances 0.000 description 8
- 238000007720 emulsion polymerization reaction Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000004817 gas chromatography Methods 0.000 description 7
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 6
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- 150000004665 fatty acids Chemical class 0.000 description 5
- 238000004108 freeze drying Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 206010020751 Hypersensitivity Diseases 0.000 description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- 238000010306 acid treatment Methods 0.000 description 4
- 150000005215 alkyl ethers Chemical class 0.000 description 4
- 230000007815 allergy Effects 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000003945 anionic surfactant Substances 0.000 description 3
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000012990 dithiocarbamate Substances 0.000 description 3
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- 238000000045 pyrolysis gas chromatography Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- YWPOLRBWRRKLMW-UHFFFAOYSA-M sodium;naphthalene-2-sulfonate Chemical compound [Na+].C1=CC=CC2=CC(S(=O)(=O)[O-])=CC=C21 YWPOLRBWRRKLMW-UHFFFAOYSA-M 0.000 description 3
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 3
- 229960002447 thiram Drugs 0.000 description 3
- OPNUROKCUBTKLF-UHFFFAOYSA-N 1,2-bis(2-methylphenyl)guanidine Chemical compound CC1=CC=CC=C1N\C(N)=N\C1=CC=CC=C1C OPNUROKCUBTKLF-UHFFFAOYSA-N 0.000 description 2
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- GXCDLJXPZVCHBX-UHFFFAOYSA-N 3-methylpent-1-yn-3-yl carbamate Chemical compound CCC(C)(C#C)OC(N)=O GXCDLJXPZVCHBX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 230000006208 butylation Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- OKJPEAGHQZHRQV-UHFFFAOYSA-N iodoform Chemical compound IC(I)I OKJPEAGHQZHRQV-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- PCPYTNCQOSFKGG-ONEGZZNKSA-N (1e)-1-chlorobuta-1,3-diene Chemical compound Cl\C=C\C=C PCPYTNCQOSFKGG-ONEGZZNKSA-N 0.000 description 1
- JAEZSIYNWDWMMN-UHFFFAOYSA-N 1,1,3-trimethylthiourea Chemical compound CNC(=S)N(C)C JAEZSIYNWDWMMN-UHFFFAOYSA-N 0.000 description 1
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 1
- BGPJLYIFDLICMR-UHFFFAOYSA-N 1,4,2,3-dioxadithiolan-5-one Chemical compound O=C1OSSO1 BGPJLYIFDLICMR-UHFFFAOYSA-N 0.000 description 1
- SQZCAOHYQSOZCE-UHFFFAOYSA-N 1-(diaminomethylidene)-2-(2-methylphenyl)guanidine Chemical compound CC1=CC=CC=C1N=C(N)N=C(N)N SQZCAOHYQSOZCE-UHFFFAOYSA-N 0.000 description 1
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- CPGFMWPQXUXQRX-UHFFFAOYSA-N 3-amino-3-(4-fluorophenyl)propanoic acid Chemical compound OC(=O)CC(N)C1=CC=C(F)C=C1 CPGFMWPQXUXQRX-UHFFFAOYSA-N 0.000 description 1
- BUZICZZQJDLXJN-UHFFFAOYSA-N 3-azaniumyl-4-hydroxybutanoate Chemical compound OCC(N)CC(O)=O BUZICZZQJDLXJN-UHFFFAOYSA-N 0.000 description 1
- XTDMOBIAHSICBE-UHFFFAOYSA-N 3h-1,3-benzothiazole-2-thione;cyclohexanamine Chemical compound NC1CCCCC1.C1=CC=C2SC(S)=NC2=C1 XTDMOBIAHSICBE-UHFFFAOYSA-N 0.000 description 1
- XESZUVZBAMCAEJ-UHFFFAOYSA-N 4-tert-butylcatechol Chemical compound CC(C)(C)C1=CC=C(O)C(O)=C1 XESZUVZBAMCAEJ-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 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
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- IQAOOXSQYILFSN-UHFFFAOYSA-N C(N)(S)=S.C(CCC)[Zn]CCCC Chemical compound C(N)(S)=S.C(CCC)[Zn]CCCC IQAOOXSQYILFSN-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- UDIPTWFVPPPURJ-UHFFFAOYSA-M Cyclamate Chemical compound [Na+].[O-]S(=O)(=O)NC1CCCCC1 UDIPTWFVPPPURJ-UHFFFAOYSA-M 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- FVIGODVHAVLZOO-UHFFFAOYSA-N Dixanthogen Chemical compound CCOC(=S)SSC(=S)OCC FVIGODVHAVLZOO-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical compound S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 description 1
- FLVIGYVXZHLUHP-UHFFFAOYSA-N N,N'-diethylthiourea Chemical compound CCNC(=S)NCC FLVIGYVXZHLUHP-UHFFFAOYSA-N 0.000 description 1
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RMMPZDDLWLALLJ-UHFFFAOYSA-N Thermophillin Chemical compound COC1=CC(=O)C(OC)=CC1=O RMMPZDDLWLALLJ-UHFFFAOYSA-N 0.000 description 1
- QLGLKGKYKXRALK-UHFFFAOYSA-N [Na].CC=C Chemical group [Na].CC=C QLGLKGKYKXRALK-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 125000003118 aryl group Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- VTEKOFXDMRILGB-UHFFFAOYSA-N bis(2-ethylhexyl)carbamothioylsulfanyl n,n-bis(2-ethylhexyl)carbamodithioate Chemical compound CCCCC(CC)CN(CC(CC)CCCC)C(=S)SSC(=S)N(CC(CC)CCCC)CC(CC)CCCC VTEKOFXDMRILGB-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- ZOUQIAGHKFLHIA-UHFFFAOYSA-L copper;n,n-dimethylcarbamodithioate Chemical compound [Cu+2].CN(C)C([S-])=S.CN(C)C([S-])=S ZOUQIAGHKFLHIA-UHFFFAOYSA-L 0.000 description 1
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 1
- PGAXJQVAHDTGBB-UHFFFAOYSA-N dibutylcarbamothioylsulfanyl n,n-dibutylcarbamodithioate Chemical compound CCCCN(CCCC)C(=S)SSC(=S)N(CCCC)CCCC PGAXJQVAHDTGBB-UHFFFAOYSA-N 0.000 description 1
- 229940116901 diethyldithiocarbamate Drugs 0.000 description 1
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 description 1
- FVCOIAYSJZGECG-UHFFFAOYSA-N diethylhydroxylamine Chemical compound CCN(O)CC FVCOIAYSJZGECG-UHFFFAOYSA-N 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 229960002377 dixanthogen Drugs 0.000 description 1
- CFNDRVCFJKQSHT-UHFFFAOYSA-N dodecyl benzenesulfonate;potassium Chemical compound [K].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 CFNDRVCFJKQSHT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- WHDGWKAJBYRJJL-UHFFFAOYSA-K ferbam Chemical compound [Fe+3].CN(C)C([S-])=S.CN(C)C([S-])=S.CN(C)C([S-])=S WHDGWKAJBYRJJL-UHFFFAOYSA-K 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- KVBGVZZKJNLNJU-UHFFFAOYSA-M naphthalene-2-sulfonate Chemical compound C1=CC=CC2=CC(S(=O)(=O)[O-])=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-M 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- ZWWQICJTBOCQLA-UHFFFAOYSA-N o-propan-2-yl (propan-2-yloxycarbothioyldisulfanyl)methanethioate Chemical compound CC(C)OC(=S)SSC(=S)OC(C)C ZWWQICJTBOCQLA-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- GEVPMUPAXHXQQS-UHFFFAOYSA-N potassium;nitrate;tetrahydrate Chemical compound O.O.O.O.[K+].[O-][N+]([O-])=O GEVPMUPAXHXQQS-UHFFFAOYSA-N 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 208000017520 skin disease Diseases 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 1
- HUMLQUKVJARKRN-UHFFFAOYSA-M sodium;n,n-dibutylcarbamodithioate Chemical compound [Na+].CCCCN(C([S-])=S)CCCC HUMLQUKVJARKRN-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010059 sulfur vulcanization Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- AUZONCFQVSMFAP-UHFFFAOYSA-N tetraethylthiuram disulfide Natural products CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012989 trithiocarbonate Substances 0.000 description 1
- HIZCIEIDIFGZSS-UHFFFAOYSA-L trithiocarbonate Chemical compound [S-]C([S-])=S HIZCIEIDIFGZSS-UHFFFAOYSA-L 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- BOXSVZNGTQTENJ-UHFFFAOYSA-L zinc dibutyldithiocarbamate Chemical compound [Zn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC BOXSVZNGTQTENJ-UHFFFAOYSA-L 0.000 description 1
- RKQOSDAEEGPRER-UHFFFAOYSA-L zinc diethyldithiocarbamate Chemical compound [Zn+2].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S RKQOSDAEEGPRER-UHFFFAOYSA-L 0.000 description 1
- PGNWIWKMXVDXHP-UHFFFAOYSA-L zinc;1,3-benzothiazole-2-thiolate Chemical compound [Zn+2].C1=CC=C2SC([S-])=NC2=C1.C1=CC=C2SC([S-])=NC2=C1 PGNWIWKMXVDXHP-UHFFFAOYSA-L 0.000 description 1
- KMNUDJAXRXUZQS-UHFFFAOYSA-L zinc;n-ethyl-n-phenylcarbamodithioate Chemical compound [Zn+2].CCN(C([S-])=S)C1=CC=CC=C1.CCN(C([S-])=S)C1=CC=CC=C1 KMNUDJAXRXUZQS-UHFFFAOYSA-L 0.000 description 1
- DUBNHZYBDBBJHD-UHFFFAOYSA-L ziram Chemical compound [Zn+2].CN(C)C([S-])=S.CN(C)C([S-])=S DUBNHZYBDBBJHD-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
-
- 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
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
-
- 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
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and 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
- C08F36/04—Homopolymers and 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
- C08F36/14—Homopolymers and 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 containing elements other than carbon and hydrogen
- C08F36/16—Homopolymers and 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 containing elements other than carbon and hydrogen containing halogen
- C08F36/18—Homopolymers and 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 containing elements other than carbon and hydrogen containing halogen containing chlorine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
- C08L11/02—Latex
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2011/00—Use of rubber derived from chloroprene as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
- B29L2031/4864—Gloves
Definitions
- the present invention relates to a chloroprene polymer composition, a method for producing the same, a dip-molded article, and the like.
- the chloroprene polymer is known as a material for immersion molded products such as medical surgical gloves, inspection gloves, industrial gloves, balloons, catheters, and rubber boots.
- Various techniques relating to chloroprene polymers for dip-molded articles have been proposed (see, for example, Patent Document 1 below).
- Immersion-molded products (coatings) obtained by using a chloroprene polymer composition containing a chloroprene polymer generally tend to be inferior in flexibility when the mechanical properties are enhanced, and the mechanical properties are improved and the flexibility is improved. It is required to be compatible with the granting of.
- sulfur molecular sulfur; cyclic sulfur such as S8
- a vulcanization accelerator at the time of vulcanization, but sulfur and vulcanization promotion. Since the agent is a causative substance of type IV allergy that adversely affects the human body (for example, skin diseases such as dermatitis), reduction or non-use of these components is being investigated.
- the chloroprene polymer composition and the method for producing the chloroprene polymer composition have excellent flexibility and flexibility even when sulfur and a vulcanization accelerator are not mixed with the chloroprene polymer composition at the time of producing the immersion molded product. It is required to obtain a dip-molded article having mechanical properties, and in particular, to obtain a dip-molded article having excellent flexibility and breaking strength.
- One aspect of the present invention is the production of a chloroprene polymer composition capable of obtaining a dip-molded article having excellent flexibility and breaking strength even when sulfur and a vulcanization accelerator are not used during vulcanization.
- the purpose is to provide a method.
- Another aspect of the present invention is a chloroprene polymer composition capable of obtaining a dip-molded article having excellent flexibility and breaking strength even when sulfur and a vulcanization accelerator are not used during vulcanization.
- the purpose is to provide.
- Another aspect of the present invention is to provide a dip-molded article of the above-mentioned chloroprene polymer composition.
- One aspect of the present invention is polymerization to obtain a chloroprene polymer composition containing a chloroprene polymer by polymerizing chloroprene in the presence of at least one loginic acid component selected from the group consisting of loginate and rosinate.
- the total amount of dehydroavietic acid, pimalic acid, isopimalic acid, dihydroavietic acid and salts thereof in the loginic acid component comprises a step, and the total amount of avietinic acid, neoavietic acid, palastolic acid, levopimalic acid and salts thereof with respect to A1.
- the present invention relates to a method for producing a chloroprene polymer composition, wherein the mass ratio B1 / A1 of the amount B1 is 0.10 to 3.00, and the toluene insoluble content of the chloroprene polymer is 50% by mass or more.
- Another aspect of the present invention comprises a chloroprene polymer, in which abietic acid, neoavietic acid, relative to the total amount A2 of dehydroabietic acid, pimalic acid, isopimaric acid, dihydroavietic acid and salts thereof, Chloroprene polymer composition in which the mass ratio B2 / A2 of the total amount B2 of palastolic acid, levopimaric acid and salts thereof is 0.10 to 3.00, and the toluene insoluble content of the chloroprene polymer is 50% by mass or more. Regarding things.
- Another aspect of the present invention relates to an immersion molded product of the above-mentioned chloroprene polymer composition.
- a chloroprene polymer composition capable of obtaining a dip-molded article having excellent flexibility and breaking strength even when sulfur and a vulcanization accelerator are not used at the time of vulcanization.
- Production method can be provided.
- the composition can be provided.
- a or more in the numerical range means A and a range exceeding A.
- a or less in the numerical range means A and a range less than A.
- the upper or lower limit of the numerical range at one stage may be optionally combined with the upper or lower limit of the numerical range at another stage.
- the upper limit value or the lower limit value of the numerical range may be replaced with the value shown in the examples.
- “A or B” may include either A or B, and may include both. Unless otherwise specified, the materials exemplified in the present specification may be used alone or in combination of two or more.
- each component in the composition means the total amount of the plurality of substances present in the composition when a plurality of substances corresponding to each component are present in the composition, unless otherwise specified.
- process is included in this term not only in an independent process but also in the case where the intended action of the process is achieved even if it cannot be clearly distinguished from other processes.
- JIS means Japanese Industrial Standards (Japanese Industrial Standards).
- the method for producing a chloroprene polymer composition according to the present embodiment contains a chloroprene polymer by polymerizing chloroprene in the presence of at least one loginic acid component selected from the group consisting of rosinate and rosinate. It comprises a polymerization step for obtaining a chloroprene polymer composition.
- avietinic acid, neoavietic acid, and parastrin with respect to the total amount A1 of dehydroavietic acid, pimalic acid, isopimaric acid, dihydroavietic acid and salts thereof.
- the mass ratio B1 / A1 of the total amount B1 of the acid, levopimalic acid and salts thereof is 0.10 to 3.00, and the toluene insoluble content of the chloroprene polymer obtained in the polymerization step is 50% by mass or more.
- the chloroprene polymer composition according to the present embodiment contains a chloroprene polymer, and in the chloroprene polymer, abietic acid and neoavietic acid with respect to the total amount A2 of dehydroavietic acid, pimaric acid, isopimalic acid, dihydroavietic acid and salts thereof.
- the mass ratio B2 / A2 of the total amount B2 of the acid, palastolic acid, levopimaric acid and salts thereof is 0.10 to 3.00, and the toluene insoluble content of the chloroprene polymer is 50% by mass or more.
- the chloroprene polymer composition according to the present embodiment can be obtained by the method for producing a chloroprene polymer composition according to the present embodiment.
- the chloroprene polymer composition according to this embodiment may be a chloroprene polymer latex.
- a breaking strength of 19.0 MPa or more (for example, 20.0 to 30.0 MPa) measured in accordance with JIS K6251 can be obtained.
- 0.7 to 2.5 MPa for example, 0.7 to 2.
- 1.5 MPa or more for example, 1.5 to 2.5 MPa
- the chloroprene polymer composition is a chloroprene polymer, zinc oxide, a vulcanization reaction product of p-cresol and dicyclopentadiene, and a sodium salt of a ⁇ -naphthalene sulfonate formalin condensate.
- sulfur and a vulcanization accelerator are not used at the time of vulcanization, a dip-molded body having excellent flexibility and breaking strength can be obtained.
- it is possible to reduce the cost of producing an immersion molded product while suppressing the use of substances that cause type IV allergies that adversely affect the human body. can.
- the chloroprene polymer composition according to the present embodiment may be any as long as it is possible to obtain a dip-molded body having excellent flexibility and breaking strength when sulfur and a vulcanization accelerator are not used at the time of vulcanization.
- Sulfur and / or a vulcanization accelerator may be mixed with a chloroprene polymer composition capable of obtaining such a dip-molded product to obtain a dip-molded product.
- a dip-molded body having excellent flexibility, breaking strength and breaking elongation even when sulfur and a vulcanization accelerator are not used at the time of vulcanization.
- a dip-molded body having excellent flexibility such as breaking strength and breaking elongation can be obtained.
- 800 to 1500% of elongation at break can be obtained as measured according to JIS K6251.
- At least chloroprene (2-chloro-1,3) is present in the presence of at least one chloroprene component selected from the group consisting of rosinate and rosinate. -Butadiene) to obtain a chloroprene polymer composition containing a chloroprene polymer.
- Examples of the chloroprene polymer include a homoprene homopolymer, a chloroprene copolymer (a copolymer of chloroprene and a monomer copolymerizable with chloroprene), and the like, and a mixture of these polymers is used. May be good.
- chloroprene may be polymerized alone, or chloroprene and a monomer copolymerizable with chloroprene may be copolymerized.
- Examples of monomers copolymerizable with chloroprene include esters of (meth) acrylic acid (methyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, etc.) and hydroxyalkyl (meth).
- the amount of chloroprene used in the polymerization step is the total amount of the monomers used for the polymerization of the chloroprene polymer from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (break strength, break elongation, etc.) in the immersion molded product.
- the range may be as follows based on the total amount of chloroprene and 2,3-dichloro-1,3-butadiene.
- the amount of chloroprene used in the polymerization step is 50% by mass or more, 60% by mass or more, 70% by mass or more, 75% by mass or more, 76% by mass or more, 76% by mass or more, 80% by mass or more, 83% by mass or more, 85.
- the amount of chloroprene used in the polymerization step is 100% by mass or less, less than 100% by mass, 95% by mass or less, 93% by mass or less, less than 93% by mass, 90% by mass or less, 88% by mass or less, 85% by mass or less, 83. It may be 0% by mass or less, 80% by mass or less, 76% by mass or less, less than 76% by mass, 75% by mass or less, or 70% by mass or less. From these viewpoints, the amount of chloroprene used in the polymerization step may be 50 to 100% by mass, 70 to 95% by mass, or 80 to 90% by mass.
- the content of the monomer unit of chloroprene in the chloroprene polymer constitutes the chloroprene polymer from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (break strength, break elongation, etc.) in the dip-molded product.
- the range may be as follows based on the total amount of the polymer units or the total amount of the monomer units of chloroprene and the monomer units of 2,3-dichloro-1,3-butadiene.
- the content of the monomer unit of chloroprene is 50% by mass or more, 60% by mass or more, 70% by mass or more, 75% by mass or more, 76% by mass or more, 76% by mass or more, 80% by mass or more, 83% by mass or more.
- the content of the monomer unit of chloroprene is 100% by mass or less, less than 100% by mass, 95% by mass or less, 93% by mass or less, less than 93% by mass, 90% by mass or less, 88% by mass or less, 85% by mass or less. , 83% by mass or less, 80% by mass or less, 76% by mass or less, less than 76% by mass, 75% by mass or less, or 70% by mass or less. From these viewpoints, the content of the monomer unit of chloroprene may be 50 to 100% by mass, 60 to 95% by mass, or 70 to 90% by mass.
- chloroprene and 2,3-dichloro-1,3-butadiene are polymerized from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (break strength, break elongation, etc.) in the immersion molded product. good.
- the amount of 2,3-dichloro-1,3-butadiene used in the polymerization step is the polymerization of the chloroprene polymer from the viewpoint of adjusting the balance between flexibility and mechanical properties (break strength, break elongation, etc.) in the dip-molded product.
- the range may be as follows based on the total amount of the monomers used in the above or the total amount of chloroprene and 2,3-dichloro-1,3-butadiene.
- the amount of 2,3-dichloro-1,3-butadiene used in the polymerization step is 50% by mass or less, 40% by mass or less, 30% by mass or less, 25% by mass or less, 24% by mass or less, less than 24% by mass, 20. It may be 1% by mass or less, 17% by mass or less, 15% by mass or less, 12% by mass or less, 10% by mass or less, 7% by mass or less, less than 7% by mass, or 5% by mass or less.
- the amount of 2,3-dichloro-1,3-butadiene used in the polymerization step is 0% by mass or more, 0% by mass or more, 5% by mass or more, 7% by mass or more, 7% by mass or more, 10% by mass or more, 12 It may be mass% or more, 15% by mass or more, 17% by mass or more, 20% by mass or more, 24% by mass or more, more than 24% by mass, 25% by mass or more, or 30% by mass or more. From these viewpoints, the amount of 2,3-dichloro-1,3-butadiene used in the polymerization step is more than 0% by mass and 50% by mass or less, 5 to 40% by mass, 10 to 30% by mass, or 0% by mass. It may be more than% and 20% by mass or less.
- the chloroprene polymer is a monomer unit of chloroprene and 2,3-dichloro-1, from the viewpoint of appropriately adjusting the balance of flexibility and mechanical properties (break strength, break elongation, etc.) in the immersion molded product. It may have a monomeric unit of 3-butadiene.
- the content of the monomer unit of 2,3-dichloro-1,3-butadiene (copolymerization amount of 2,3-dichloro-1,3-butadiene) in the chloroprene polymer is a single amount constituting the chloroprene polymer.
- the range may be as follows based on the total amount of body units or the total amount of chloroprene monomer units and 2,3-dichloro-1,3-butadiene monomer units.
- the content of the monomer unit of 2,3-dichloro-1,3-butadiene is 50% by mass or less, 40% by mass or less, 30% by mass or less, 25% by mass or less, 24% by mass or less, and less than 24% by mass. , 20% by mass or less, 17% by mass or less, 15% by mass or less, 12% by mass or less, 10% by mass or less, 7% by mass or less, less than 7% by mass, or 5% by mass or less.
- the content of the monomer unit of 2,3-dichloro-1,3-butadiene is 0% by mass or more, more than 0% by mass, 5% by mass or more, 7% by mass or more, more than 7% by mass, and 10% by mass or more. , 12% by mass or more, 15% by mass or more, 17% by mass or more, 20% by mass or more, 24% by mass or more, more than 24% by mass, 25% by mass or more, or 30% by mass or more. From these viewpoints, the content of the monomer unit of 2,3-dichloro-1,3-butadiene is more than 0% by mass and 50% by mass or less, 5 to 40% by mass, 10 to 30% by mass, or.
- the content of the monomer unit of 2,3-dichloro-1,3-butadiene can be determined by thermal decomposition gas chromatography of the chloroprene polymer obtained by freeze-drying the chloroprene polymer composition. Specifically, it can be obtained by the method described in Examples.
- the chloroprene polymer does not have to contain at least one (meth) acrylic acid selected from the group consisting of acrylic acid and methacrylic acid as a monomer unit.
- the content of the monomer unit of acrylic acid or the monomer unit of methacrylic acid is less than 2.0% by mass or 1.0% by mass based on the total amount of the monomer units constituting the chloroprene polymer. It may be less than, 0.5% by mass or less, or 0.1% by mass or less, and may be 0% by mass.
- the amount of acrylic acid or methacrylic acid used is less than 2.0% by mass, less than 1.0% by mass, or 0, based on the total amount of the monomers used for the polymerization of the chloroprene polymer. It may be 0.5% by mass or less, 0.1% by mass or less, or 0% by mass.
- the chloroprene polymer may be a sulfur-modified chloroprene polymer, a mercaptan-modified chloroprene polymer, a xanthogen-modified chloroprene polymer, a dithiocarbonate-based chloroprene polymer, a trithiocarbonate-based chloroprene polymer, a carbamate-based chloroprene polymer, or the like. ..
- chloroprene can be emulsion-polymerized in the presence of a rosin acid component.
- the rosinate include alkali metal salts such as sodium salt and potassium salt.
- the rosin acid component contains at least one selected from the group consisting of a conjugated resin acid component and a non-conjugated resin acid component.
- the conjugated resin acid component include abietic acid, neo-avietic acid, palastolic acid, levopimalic acid, and salts thereof.
- the non-conjugated resin acid component include dehydroabietic acid, pimalic acid, isopimaric acid, dihydropimaric acid, dihydroavietic acid, salts thereof and the like.
- the mass ratio B1 / A1 of is 0.10 to 3.00 from the viewpoint of obtaining a dip-molded body having excellent flexibility and breaking strength.
- the mass ratio B1 / A1 is 0.20 or more, 0.30 or more, 0.40 or more, from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (break strength, break elongation, etc.) in the immersion molded body. 0.50 or more, 0.60 or more, 0.70 or more, 0.80 or more, 1.00 or more, 1.20 or more, 1.50 or more, 1.80 or more, 2.00 or more, or 2.20 That may be the above.
- the mass ratio B1 / A1 is 5.00 or less, 4.00 or less, 3.00 or less, from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (breaking strength, breaking elongation, etc.) in the immersion molded body.
- the mass ratio B1 / A1 may be 0.30 to 2.50, 0.10 to 2.00, 0.50 to 2.00, or 0.60 to 1.20.
- the mass ratio B1 / A1 is the mass ratio of the entire logonic acid component, and when a plurality of logonic acid components are used in the polymerization step, it is based on the mass ratio B1 / A1 of each lognic acid component and the amount of the loginic acid component used. It is an average value of the calculated mass ratio B1 / A1.
- the mass ratio B1 / A1 is a solution obtained by dissolving a loginic acid component in an ethanol / toluene azeotropic mixture (ETA solution) defined by JIS K6229 and subjecting it to hydrochloric acid treatment (loginic acid component: 1.5% by mass). ) Is performed, and the area percentage of the peak area of each component with respect to the total peak area value can be obtained by regarding it as the content of each component. Specifically, the mass ratio B1 / A1 can be obtained by the method described in Examples.
- the loginic acid component in the polymerization step is dehydroavietic acid, pimalic acid, isopimaric acid, dihydroavietic acid and the total amount of dihydroavietic acid and salts thereof.
- the mass ratio b1 / a1 may contain a logonic acid component of 0.10 to 3.00, the mass ratio b1 / a1 may contain a logonic acid component of 0.10 to 2.00, and the mass ratio b1 / a1 may be contained. May contain a loginic acid component of 0.60 to 1.20.
- the content of the logonic acid component having these mass ratios b1 / a1 is based on the total amount of the logonic acid component in the polymerization step (the total amount of the logonic acid component used in the polymerization step), and the flexibility and the machine in the dip-molded body. From the viewpoint of appropriately adjusting the balance of target characteristics (breaking strength, breaking elongation, etc.), 50% by mass or more, 60% by mass or more, 70% by mass or more, 73% by mass or more, 75% by mass or more, 80% by mass or more, It may be 85% by mass or more, 90% by mass or more, 95% by mass or more, or 98% by mass or more.
- the logonic acid component in the polymerization step (loginic acid component used in the polymerization step) has a mass ratio b1 / a1 of 0.10 to 3.00 and a mass ratio of b1 / a1 of 0.10 to 2.00.
- the amount of the rosin acid component used in the polymerization step may be in the following range with respect to 100 parts by mass of the monomer used for the polymerization of the chloroprene polymer.
- the amount of the loginic acid component used is 1.0 part by mass or more, 2.0 parts by mass or more, and 3.0 mass from the viewpoint of easily obtaining particularly excellent mechanical properties (breaking strength, breaking elongation, etc.) in the immersion molded body.
- the amount of the loginic acid component used is 10 parts by mass or less, 8.0 parts by mass or less, 6.0 parts by mass or less, 5.5 parts by mass or less, and 5 by mass from the viewpoint of easily obtaining particularly excellent flexibility in the immersion molded body. It may be 0.3 parts by mass or less, 5.0 parts by mass or less, or 4.8 parts by mass or less.
- the amount of the rosin acid component used may be 1.0 to 10 parts by mass, 3.0 to 5.0 parts by mass, or 4.0 to 5.0 parts by mass.
- the amount of the loginic acid component used is 4.6 parts by mass or less, 4.5 parts by mass or less, and 4. It may be 0 parts by mass or less, 3.5 parts by mass or less, or 3.3 parts by mass or less.
- emulsifiers (excluding the rosin acid component) and / or fatty acids may be used.
- the emulsifier include metal salts of aromatic formalinic sulfate condensate, sodium dodecylbenzene sulphonate, potassium dodecylbenzene sulphonate, sodium alkyldiphenyl ether sulphonate, potassium alkyldiphenyl ether sulphonate, polyoxyethylene alkyl ether sodium sulphonate, and polyoxy.
- fatty acids include fatty acids (for example, saturated or unsaturated fatty acids having 6 to 22 carbon atoms), metal salts of fatty acids (for example, sodium lauryl sulfate) and the like.
- Anionic surfactants can be used as emulsifiers (excluding rosin acid components) and / or fatty acids.
- the content of the anionic surfactant in the chloroprene polymer composition may be 0.2 to 1.0 part by mass with respect to 100 parts by mass of the chloroprene polymer.
- the amount of the anionic surfactant used in the polymerization step is 100 parts by mass of the monomer used for the polymerization of the chloroprene polymer, or 100 parts by mass of chloroprene and 2,3-dichloro-1,3-butadiene in total. It may be 0.2 to 0.9 parts by mass.
- chloroprene may be polymerized (for example, emulsion polymerization) in the presence of a chain transfer agent.
- the chain transfer agent is not particularly limited, and known chain transfer agents generally used for emulsion polymerization of chloroprene can be used.
- chain transfer agent examples include alkyl mercaptans (eg, long-chain alkyl mercaptans) such as dodecyl mercaptan (n-dodecyl mercaptan, tert-dodecyl mercaptan, etc.); dialkylxanthogen disulfides such as diisopropylxanthogen disulfide, diethylxanthogen disulfide; iodoform and the like. Can be mentioned.
- alkyl mercaptans eg, long-chain alkyl mercaptans
- dodecyl mercaptan n-dodecyl mercaptan, tert-dodecyl mercaptan, etc.
- dialkylxanthogen disulfides such as diisopropylxanthogen disulfide, diethylxanthogen disulfide; iodoform and the like.
- the amount of the chain transfer agent used before the start of polymerization is 100 parts by mass of the monomer used for the polymerization of the chloroprene polymer, or 100 parts in total of chloroprene and 2,3-dichloro-1,3-butadiene.
- the range may be as follows with respect to the part by mass.
- the amount of the chain transfer agent used is 0.001 part by mass or more, 0.005 part by mass or more, 0.008 part by mass or more, and 0.01 part by mass from the viewpoint of easily improving the storage stability of the chloroprene polymer composition. As mentioned above, it may be 0.02 parts by mass or more, or 0.03 parts by mass or more.
- the amount of the chain transfer agent used is 1 part by mass or less, 0.5 part by mass or less, 0.1 part by mass or less, 0.05 part by mass or less, 0 from the viewpoint of easily obtaining excellent mechanical properties of the immersion molded product. It may be .04 parts by mass or less, or 0.03 parts by mass or less. From these viewpoints, the amount of the chain transfer agent used may be 0.001 to 1 part by mass, 0.01 to 0.1 part by mass, or 0.02 to 0.05 part by mass.
- the pH of the aqueous emulsion at the start of emulsion polymerization may be 10.5-13.5.
- the aqueous emulsified solution refers to a mixed solution of chloroprene, 2,3-dichloro-1,3-butadiene, alkyl mercaptan, etc. immediately before the start of emulsion polymerization, but by adding each component afterwards or by adding in portions. , The case where the composition changes is also included.
- the pH of the aqueous emulsion at the start of emulsion polymerization is 10.5 or more, it is easy to stably control the polymerization reaction.
- the pH is 13.5 or less, an excessive increase in viscosity during polymerization is suppressed, and it is easy to stably control the polymerization reaction.
- a polymerization initiator used in ordinary radical polymerization can be used, and potassium persulfate, benzoyl peroxide, ammonium persulfate, hydrogen peroxide and the like can be used. Can be mentioned.
- the polymerization temperature of polymerization may be in the following range.
- the polymerization temperature is 5 ° C. or higher, 10 ° C. or higher, 15 ° C. or higher, 20 ° C. or higher, 25 ° C. from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (breaking strength, breaking elongation, etc.) in the immersion molded product.
- the temperature may be higher than 25 ° C., 30 ° C. or higher, 35 ° C. or higher, 40 ° C. or higher, or 45 ° C. or higher.
- the polymerization temperature is 50 ° C. or lower, 45 ° C. or lower, 40 ° C. or lower, 35 ° C.
- the polymerization temperature may be 5 to 50 ° C., 10 to 45 ° C., or 15 to 35 ° C.
- the polymerization reaction can be stopped by adding a polymerization inhibitor.
- the polymerization inhibitor include thiodiphenylamine, 4-tert-butylcatechol, 2,2'-methylenebis-4-methyl-6-tert-butylphenol and the like.
- the unreacted monomer after the completion of the polymerization can be removed by a method such as conventional vacuum distillation.
- the polymerization conversion rate of the polymerization reaction may be in the following range.
- the polymerization conversion rate is 50% or more, 55% or more, 60 from the viewpoint of appropriately adjusting the balance of flexibility and mechanical properties (break strength, breaking elongation, etc.) in the immersion molded product and from the viewpoint of excellent production cost. % Or more, 62% or more, 65% or more, 70% or more, 75% or more, 80% or more, 80% or more, 83% or more, or 85% or more.
- the polymerization conversion rate is a viewpoint for appropriately adjusting the balance between flexibility and mechanical properties (break strength, break elongation, etc.) in the dip-molded body, and it is easy to avoid a decrease in polymerization reactivity due to a decrease in unreacted monomers.
- the polymerization conversion may be 50 to 95%, 60 to 90%, or 70 to 85%.
- the chloroprene polymer composition according to the present embodiment may contain a residue of the components used in the synthesis of the chloroprene polymer, and may contain an additive added after the polymerization step.
- Additives include emulsifiers (sodium salt of ⁇ -naphthalene sulfonic acid formalin condensate, etc.), polymerization inhibitors (butylation reaction products of p-cresol and dicyclopentadiene, etc.), freeze stabilizers, emulsion stabilizers, etc. Examples include viscosity modifiers, antioxidants, preservatives and the like.
- the potassium ion content in the chloroprene polymer composition according to the present embodiment is 1 part by mass or less, less than 0.5 part by mass, or 0.1 part by mass or less with respect to 100 parts by mass of the chloroprene polymer. It's okay.
- the chloroprene polymer composition according to the present embodiment in the chloroprene polymer, abietic acid, neoavietic acid, palastolic acid, levopimar with respect to the total amount A2 of dehydroabietic acid, pimalic acid, isopimaric acid, dihydroavietic acid and salts thereof.
- the mass ratio B2 / A2 of the total amount B2 of the acid and these salts is 0.10 to 3.00 from the viewpoint of obtaining a dip-molded body having excellent flexibility and breaking strength.
- the mass ratio B2 / A2 is 0.20 or more, 0.30 or more, 0.40 or more, from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (break strength, break elongation, etc.) in the immersion molded body. 0.50 or more, 0.60 or more, 0.70 or more, 0.80 or more, 1.00 or more, 1.20 or more, 1.50 or more, 1.80 or more, 2.00 or more, or 2.20 That may be the above.
- the mass ratio B2 / A2 is 5.00 or less, 4.00 or less, 3.00 or less, from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (breaking strength, breaking elongation, etc.) in the immersion molded body.
- the mass ratio B2 / A2 may be 0.30 to 2.50, 0.10 to 2.00, 0.50 to 2.00, or 0.60 to 1.20.
- the mass ratio B2 / A2 is obtained by extracting from the chloroprene polymer obtained by freeze-drying the chloroprene polymer composition with an ethanol / toluene azeotropic mixture (ETA solution) specified by JIS K6229 and subjecting it to hydrochloric acid treatment. Gas chromatography can be performed using the obtained extract, and the area percentage of the peak area of each component with respect to the total peak area value can be regarded as the content of each component. Specifically, the mass ratio B2 / A2 can be obtained by the method described in Examples.
- the toluene insoluble content of the chloroprene polymer is 50% by mass or more based on the whole chloroprene polymer from the viewpoint of obtaining excellent breaking strength of the immersion molded product. It is presumed that when the toluene insoluble content is 50% by mass or more, excellent breaking strength can be obtained by forming a crosslinked structure by entanglement of polymers (gel). However, the factors for obtaining the effect are not limited to the content.
- the toluene insoluble content of the chloroprene polymer preferably adjusts the balance between flexibility and mechanical properties (break strength, break elongation, etc.) in the dip-molded body, and thus is 55% by mass or more, 60% by mass or more, and 65% by mass or more. , 70% by mass or more, 75% by mass or more, 80% by mass or more, 85% by mass or more, or 89% by mass or more.
- the toluene insoluble content of the chloroprene polymer is 100% by mass or less, and 95% by mass or less, 90 from the viewpoint of appropriately adjusting the balance between flexibility and mechanical properties (breaking strength, breaking elongation, etc.) in the immersion molded product.
- the toluene insoluble content of the chloroprene polymer may be 50 to 100% by mass, 60 to 95% by mass, or 70 to 90% by mass.
- the toluene insoluble content of the chloroprene polymer can be adjusted by the type or amount of the chain transfer agent used during the polymerization of the chloroprene polymer, the polymerization conversion rate during the polymerization of the chloroprene polymer, and the like.
- Toluene insoluble matter of chloroprene polymer is obtained by lyophilizing the chloroprene polymer composition, dissolving the chloroprene polymer in toluene, centrifuging, and then drying the insoluble matter separated using a 200 mesh wire mesh. It can be obtained by measuring the mass of the dried product obtained. Specifically, the toluene insoluble component of the chloroprene polymer can be obtained by the method described in Examples.
- a vulcanized product may be obtained by vulcanizing the chloroprene polymer composition according to the present embodiment.
- the vulcanized product according to the present embodiment is a vulcanized product of the chloroprene polymer composition according to the present embodiment, and is obtained by vulcanizing the chloroprene polymer composition according to the present embodiment.
- the method for producing a vulcanized product according to the present embodiment includes a step of vulcanizing the chloroprene polymer composition according to the present embodiment to obtain a vulcanized product.
- the vulcanized product according to this embodiment may be in the form of a film.
- the dip-molded product according to the present embodiment is a dip-molded product of the chloroprene polymer composition according to the present embodiment.
- the dip-molded article according to the present embodiment is a dip-molded article using the chloroprene polymer composition according to the present embodiment, and is obtained by dip-molding the chloroprene polymer composition according to the present embodiment. ..
- the method for producing a dip-molded article according to the present embodiment includes a step of dip-molding the chloroprene polymer composition according to the present embodiment.
- Examples of the molding method for producing the immersion molded product according to the present embodiment include, but are not limited to, the coagulation liquid immersion method, and molding may be performed according to a conventional method.
- the dip-molded body according to the present embodiment may be a dip-molded film formed on a base material.
- the immersion molded product according to the present embodiment has low modulus and flexibility, and is excellent in mechanical properties such as breaking strength and breaking elongation.
- the immersion molded product according to the present embodiment may be a molded product of the vulcanized product according to the present embodiment.
- the immersion molded product according to the present embodiment may be gloves, balloons, catheters or boots.
- the thickness of the dip-molded body (for example, the minimum thickness) is 0.01 to 0.5 mm, 0.1 to 0.5 mm, 0.1 to 0.3 mm, or 0.1 to 0.2 mm. It's okay.
- the immersion molded product according to the present embodiment may contain a vulcanizing agent and / or a vulcanization accelerator, and may not contain a vulcanizing agent and / or a vulcanization accelerator. Whether or not to add the vulcanization agent and / or the vulcanization accelerator may be determined according to the target dip-molded article.
- the immersion molded product according to the present embodiment exhibits excellent flexibility and mechanical properties (breaking strength, breaking elongation, etc.) regardless of the presence or absence of a vulcanizing agent and / or a vulcanization accelerator, but reduces allergies and reduces allergies. From the viewpoint of cost reduction, it is not necessary to contain sulfur (molecular sulfur, for example, cyclic sulfur such as S8) and a vulcanization accelerator.
- vulcanizing agent examples include sulfur (molecular sulfur, for example, cyclic sulfur such as S8), zinc oxide, magnesium oxide and the like.
- the vulcanization accelerator acts with the vulcanizing agent to increase the vulcanization rate when vulcanizing the raw material rubber, shortening the vulcanization time, lowering the vulcanization temperature, reducing the amount of the vulcanizing agent, and the physical properties of the vulcanized rubber. It is a component added for the purpose of improvement, etc., and usually refers to a component that promotes the sulfur vulcanization reaction.
- vulcanization accelerator examples include thiuram-based, dithiocarbamate-based, thiourea-based, guanidine-based, xanthogenate-based, and thiazole-based vulcanization accelerators.
- the immersion molded product according to the present embodiment does not have to contain at least one of thiuram-based, dithiocarbamate-based, thiourea-based, guanidine-based, xanthogenate-based, and thiazole-based vulcanization accelerators.
- thiuram-based sulfide accelerating agent examples include tetramethylthium disulfide, tetraethyl thiuram disulfide, tetrabutyl thiuram disulfide, tetrakis (2-ethylhexyl) thiuram disulfide, tetramethyl thiuram monosulfide, and dipentamethylene thiuram tetrasulfide.
- dithiocarbamate-based sulfide accelerator examples include zinc dibutyldithiocarbamate, sodium dibutyldithiocarbamate, zinc dimethyldithiocarbamate, zinc diethyldithiocarbamate, zinc N-ethyl-N-phenyldithiocarbamate, and zinc N-pentamethylene dithiocarbamate. , Copper dimethyldithiocarbamate, ferric dimethyldithiocarbamate, tellurium diethyldithiocarbamate and the like.
- thiourea-based vulcanization accelerator examples include ethylene thiourea, N, N'-diethyl thiourea, trimethyl thiourea, N, N'-diphenyl thiourea and the like.
- Examples of the guanidine-based vulcanization accelerator include 1,3-diphenylguanidine, 1,3-di-o-tolylguanidine, 1-o-tolylbiguanide, and di-o-tolylguanidine salt of dicatechol borate. ..
- Examples of the xanthogenate-based vulcanization accelerator include zinc butylxanthogenate and zinc isopropylxanthogenate.
- thiazole-based vulfurization accelerator examples include 2-mercaptobenzothiazole, di-2-benzothiazolyl disulfide, 2-mercaptobenzothiazole zinc salt, 2-mercaptobenzothiazole cyclohexylamine salt, and 2- (4'-). Morphorinodithio) benzothiazole and the like can be mentioned.
- a polymer can with an internal volume of 40 L, 85 parts by mass of chloroprene (monomer), 15 parts by mass of 2,3-dichloro-1,3-butadiene (monomer), 0.03 parts by mass of n-dodecyl mercaptan, pure water. 90 parts by mass, 4.8 parts by mass of Logonic acid A (in-house prepared product), 1.50 parts by mass of potassium hydroxide, and sodium salt of ⁇ -naphthalene sulfonic acid formarin condensate (trade name "Demor N", Kao shares (Manufactured by the company) 0.40 parts by mass was added.
- the pH of the aqueous emulsion before the start of polymerization was 12.9. 0.1 part by mass of potassium persulfate was added as a polymerization initiator, and the polymerization was carried out at a polymerization temperature of 20 ° C. under a nitrogen stream. When the polymerization conversion rate reached 83%, 0.01 part by mass of diethyl hydroxyamine, which is a polymerization inhibitor, was added to terminate the polymerization to obtain a latex before distillation. The latex before distillation was distilled under reduced pressure to remove unreacted monomers to obtain Latex A after distillation (solid content: 55% by mass) containing a mercaptan-modified chloroprene polymer.
- Latex B to O solid content: 55% by mass
- Latex B and C in-house prepared products
- Disproportionate potassium rosinate X trade name "Londis K-25", manufactured by Arakawa Chemical Industry Co., Ltd.
- radicals which are active species of polymerization, were trapped by the conjugated resin acid and polymerization was inhibited, so that the chloroprene polymer could not be polymerized, and the following evaluation was not performed.
- the peaks of the conjugated resin acid components of the abietic acid component (avietic acid and its salts; the same applies to other resin acids), the neo-avietic acid component, the palastolic acid component, and the levopimalic acid component.
- the area was determined, and the peak area of each non-conjugated resin acid component of the dehydroabietic acid component, the pimalic acid component, the isopimaric acid component, and the dihydroavietic acid component was determined.
- the content of the conjugated resin acid component and the non-conjugated resin acid component was measured by regarding the area percentage of the peak area of each component with respect to the total peak area as the content of each component.
- the area percentage of the conjugated resin acid component is 31.2% for the abietic acid component, 0.8% for the neo-avietic acid component, 4.0% for the palastolic acid component, and 2.7% for the levopimalic acid component.
- the total area of the conjugated resin acid component was 38.7%.
- the area percentage of the non-conjugated resin acid component is 35.3% for the dehydroabietic acid component, 7.5% for the pimalic acid component, 3.2% for the isopimaric acid component, and 2.4% for the dihydroabietic acid component, and the non-conjugated resin.
- the mass ratio b1 / a1 of the conjugated resin acid component / non-conjugated resin acid component was 2.20 for rosin B and 3.20 for rosin C.
- the mass ratio b1 / a1 of the acid component was 0.
- a test piece was obtained by cutting 3 g of the solid content of the chloroprene polymer obtained by freeze-drying the above-mentioned chloroprene polymer latex into 2 mm squares. After placing this test piece in a eggplant-shaped flask attached to a condenser, the extract obtained by extracting with an ethanol / toluene co-boiling mixture (ETA solution) specified in JIS K 6229 and subjecting to hydrochloric acid treatment was used.
- ETA solution ethanol / toluene co-boiling mixture
- a test piece was obtained by cutting 1 g of the chloroprene polymer obtained by freeze-drying the above-mentioned chloroprene polymer latex into 2 mm squares. After placing the test piece in a conical beaker, the test piece was dissolved in toluene for 16 hours. Subsequently, after centrifugation, the gel component (insoluble component) was separated using a 200 mesh wire mesh. Then, after the gel content was dried, the mass of the dried product was measured to calculate the toluene insoluble content in the chloroprene polymer. The results are shown in Tables 1 and 2.
- a coagulated liquid was obtained by mixing 62 parts by mass of water, 35 parts by mass of potassium nitrate tetrahydrate and 3 parts by mass of calcium carbonate.
- a ceramic cylinder manufactured by Shinko Co., Ltd.
- This coagulant 23 ° C.
- the film was washed with running water at 45 ° C. for 1 minute and then vulcanized at 100 ° C. for 30 minutes to prepare an evaluation film on the outer peripheral surface of the cylinder and the like.
- the evaluation film was peeled off from the outer peripheral surface of the cylinder and the following evaluation was performed.
- Example 12 An aqueous dispersion B was obtained in the same manner as the aqueous dispersion A except that 1 part by mass of sulfur (S8. Vulcanizing agent) was further used and the amount of water used was changed to 13 parts by mass. After mixing 7.1 parts by mass of this aqueous dispersion B with 100 parts by mass of the solid content of the above-mentioned latex A, water is added to adjust the solid content concentration to 30% by mass to obtain sulfur (vulcanizing agent). A latex composition II containing but not containing a vulcanization accelerator was prepared. An evaluation film was prepared by performing the same as the latex composition I except that the latex composition II was used instead of the latex composition I described above.
- Example 13 1 part by mass of sulfur (S8. Vulcanizing agent) and 2 parts by mass of vulcanization accelerator (di-n-butyl-zinc dithiocarbamate, trade name "Noxeller BZ", manufactured by Ouchi Shinko Kagaku Kogyo Co., Ltd.) are further used.
- An aqueous dispersion C was obtained by carrying out the same procedure as the aqueous dispersion A except that the amount of water used was changed to 11 parts by mass.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
本実施形態に係るクロロプレン重合体組成物の製造方法は、ロジン酸及びロジン酸塩からなる群より選ばれる少なくとも一種のロジン酸成分の存在下においてクロロプレンを重合することにより、クロロプレン重合体を含有するクロロプレン重合体組成物を得る重合工程を備える。本実施形態に係るクロロプレン重合体組成物の製造方法では、ロジン酸成分において、デヒドロアビエチン酸、ピマール酸、イソピマール酸、ジヒドロアビエチン酸及びこれらの塩の合計量A1に対するアビエチン酸、ネオアビエチン酸、パラストリン酸、レボピマール酸及びこれらの塩の合計量B1の質量比B1/A1が0.10~3.00であり、重合工程において得られるクロロプレン重合体のトルエン不溶分が50質量%以上である。
本実施形態に係るクロロプレン重合体組成物を加硫することにより加硫物を得てよい。本実施形態に係る加硫物は、本実施形態に係るクロロプレン重合体組成物の加硫物であり、本実施形態に係るクロロプレン重合体組成物を加硫して得られたものである。本実施形態に係る加硫物の製造方法は、本実施形態に係るクロロプレン重合体組成物を加硫して加硫物を得る工程を含む。本実施形態に係る加硫物は、膜状であってよい。
内容積40Lの重合缶に、クロロプレン(単量体)85質量部、2,3-ジクロロ-1,3-ブタジエン(単量体)15質量部、n-ドデシルメルカプタン0.03質量部、純水90質量部、ロジン酸A(自社調製品)4.8質量部、水酸化カリウム1.50質量部、及び、β-ナフタレンスルホン酸ホルマリン縮合物のナトリウム塩(商品名「デモールN」、花王株式会社製)0.40質量部を添加した。重合開始前の水性乳化液のpHは12.9であった。重合開始剤として過硫酸カリウム0.1質量部を添加し、重合温度20℃にて窒素気流下で重合を行った。重合転化率83%となった時点で、重合禁止剤であるジエチルヒドロキシアミン0.01質量部を加えて重合を停止させることにより蒸留前のラテックスを得た。この蒸留前のラテックスを減圧蒸留して未反応の単量体を除去することにより、メルカプタン変性クロロプレン重合体を含有する蒸留後のラテックスA(固形分:55質量%)を得た。
上述のロジン酸A~Cにおける共役樹脂酸成分/非共役樹脂酸成分の質量比を測定した。まず、JIS K 6229で規定されるエタノール/トルエン共沸混合物(ETA溶液)にロジン酸を溶解させ塩酸処理を施すことにより溶液(ロジン酸:1.5質量%)を得た。この溶液を用いて下記条件でガスクロマトグラフィーを行った。
・ガスクロマトグラフ質量分析装置:商品名「JEOL Jms-Q1050GC」、日本電子株式会社製
・使用カラム:FFAP 0.32mmφ×25m(膜厚0.3μm)
・カラム温度:200℃→250℃
・昇温速度:10℃/min
・注入口温度:270℃
・注入量:1μL
・インターフェイス温度:270℃
・イオン源温度:270℃
・イオン化電流:50μA
・イオン化電圧:70eV
・検出器:FID
・検出器電圧:-1000V
・検出器電圧:EI法
・検出器温度:270℃
上述のクロロプレン重合体ラテックスを凍結乾燥させて得られるクロロプレン重合体の固形分3gを2mm角に裁断することにより試験片を得た。コンデンサー付属のナス型フラスコにこの試験片を入れた後、JIS K 6229で規定されるエタノール/トルエン共沸混合物(ETA溶液)で抽出し塩酸処理を施すことにより得られた抽出物を用いて、ロジン酸成分における共役樹脂酸成分/非共役樹脂酸成分の質量比の分析と同様の上述の条件でガスクロマトグラフィーを行い、クロロプレン重合体における共役樹脂酸成分/非共役樹脂酸成分の質量比B2/A2を算出した。結果を表1及び表2に示す。
上述のクロロプレン重合体ラテックスを凍結乾燥させて得られるクロロプレン重合体の固形分を裁断することにより0.05mgの試験片を得た。この試験片を用いて下記条件で熱分解ガスクロマトグラフィーを行うことにより、クロロプレン重合体における2,3-ジクロロ-1,3-ブタジエン共重合量(基準:クロロプレン重合体を構成する単量体単位の全量=クロロプレンの単量体単位及び2,3-ジクロロ-1,3-ブタジエンの単量体単位の合計量)を算出した。結果を表1及び表2に示す。
・熱分解ガスクロマトグラフィー装置:商品名「Agilent 5890」、アジレント・テクノロジー株式会社製
・使用カラム:DB-5 0.25mmφ×30m(膜厚1.0μm)
・カラム温度:50℃→10℃/min→120℃→25℃/min→300℃
・注入口温度:270℃
・試料量:0.05mg
・検出器:FID
・検出器温度:280℃
上述のクロロプレン重合体ラテックスを凍結乾燥させて得られるクロロプレン重合体1gを2mm角に裁断することにより試験片を得た。コニカルビーカーにこの試験片を入れた後、トルエンで試験片を16時間かけて溶解した。続いて、遠心分離を行った後、200メッシュ金網を用いてゲル分(不溶分)を分離した。その後、ゲル分を乾燥させた後に乾燥物の質量を測定することにより、クロロプレン重合体におけるトルエン不溶分を算出した。結果を表1及び表2に示す。
(実施例1~11及び比較例1~3)
陶器製ボールミルを用いて、酸化亜鉛(商品名「酸化亜鉛2種」、堺化学工業株式会社製)2質量部、p-クレゾールとジシクロペンタジエンとのブチル化反応生成物(商品名「ノクラックPBK」、大内新興化学工業株式会社製)2質量部、β-ナフタレンスルホン酸ホルマリン縮合物のナトリウム塩(商品名「デモールN」、花王株式会社製)0.1質量部、及び、水14質量部を20℃で16時間混合することにより水分散液Aを得た。
硫黄(S8。加硫剤)1質量部を更に用いると共に水の使用量を13質量部に変更したことを除き水分散液Aと同様に行うことにより水分散液Bを得た。上述のラテックスAの固形分100質量部にこの水分散液Bを7.1質量部混合した後、水を加えて固形分濃度を30質量%に調整することにより、硫黄(加硫剤)を含有するものの加硫促進剤を含有しないラテックス組成物IIを作製した。上述のラテックス組成物Iに代えてラテックス組成物IIを用いること以外はラテックス組成物Iと同様に行うことにより評価用フィルムを作製した。
硫黄(S8。加硫剤)1質量部及び加硫促進剤(ジ-n-ブチル-ジチオカルバミン酸亜鉛、商品名「ノクセラーBZ」、大内新興化学工業株式会社製)2質量部を更に用いると共に水の使用量を11質量部に変更したことを除き水分散液Aと同様に行うことにより水分散液Cを得た。上述のラテックスAの固形分100質量部にこの水分散液Cを7.1質量部混合した後、水を加えて固形分濃度を30質量%に調整することにより、硫黄(加硫剤)及び加硫促進剤を含有するラテックス組成物IIIを作製した。上述のラテックス組成物Iに代えてラテックス組成物IIIを用いること以外はラテックス組成物Iと同様に行うことにより評価用フィルムを作製した。
上述のラテックスLの固形分100質量部に上述の水分散液Cを7.1質量部混合した後、水を加えて固形分濃度を30質量%に調整することにより、硫黄(加硫剤)及び加硫促進剤を含有するラテックス組成物IVを作製した。上述のラテックス組成物Iに代えてラテックス組成物IVを用いること以外はラテックス組成物Iと同様に行うことにより評価用フィルムを作製した。
試験片測厚器(商品名「ASKER SDA-12」、高分子計器株式会社製)を用いて評価用フィルムの中央部の3か所の厚さ(フィルム厚)を測定し、最小の厚さを評価用フィルムの厚さとして得た。結果を表1及び表2に示す。
Claims (10)
- ロジン酸及びロジン酸塩からなる群より選ばれる少なくとも一種のロジン酸成分の存在下においてクロロプレンを重合することにより、クロロプレン重合体を含有するクロロプレン重合体組成物を得る重合工程を備え、
前記ロジン酸成分において、デヒドロアビエチン酸、ピマール酸、イソピマール酸、ジヒドロアビエチン酸及びこれらの塩の合計量A1に対するアビエチン酸、ネオアビエチン酸、パラストリン酸、レボピマール酸及びこれらの塩の合計量B1の質量比B1/A1が0.10~3.00であり、
前記クロロプレン重合体のトルエン不溶分が50質量%以上である、クロロプレン重合体組成物の製造方法。 - 前記重合工程においてクロロプレンと2,3-ジクロロ-1,3-ブタジエンとを重合する、請求項1に記載のクロロプレン重合体組成物の製造方法。
- 前記2,3-ジクロロ-1,3-ブタジエンの使用量が、前記クロロプレン重合体の重合に用いる単量体の全量を基準として0質量%を超え20質量%以下である、請求項2に記載のクロロプレン重合体組成物の製造方法。
- 前記ロジン酸成分の使用量が、前記クロロプレン重合体の重合に用いる単量体100質量部に対して3.0~5.0質量部である、請求項1~3のいずれか一項に記載のクロロプレン重合体組成物の製造方法。
- クロロプレン重合体を含有し、
前記クロロプレン重合体においてデヒドロアビエチン酸、ピマール酸、イソピマール酸、ジヒドロアビエチン酸及びこれらの塩の合計量A2に対するアビエチン酸、ネオアビエチン酸、パラストリン酸、レボピマール酸及びこれらの塩の合計量B2の質量比B2/A2が0.10~3.00であり、
前記クロロプレン重合体のトルエン不溶分が50質量%以上である、クロロプレン重合体組成物。 - 前記クロロプレン重合体が、クロロプレンの単量体単位、及び、2,3-ジクロロ-1,3-ブタジエンの単量体単位を有する、請求項5に記載のクロロプレン重合体組成物。
- 前記2,3-ジクロロ-1,3-ブタジエンの単量体単位の含有量が、前記クロロプレン重合体を構成する単量体単位の全量を基準として0質量%を超え20質量%以下である、請求項6に記載のクロロプレン重合体組成物。
- 請求項5~7のいずれか一項に記載のクロロプレン重合体組成物の浸漬成形体。
- 手袋、風船、カテーテル又は長靴である、請求項8に記載の浸漬成形体。
- 硫黄及び加硫促進剤を含有していない、請求項8又は9に記載の浸漬成形体。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21891495.0A EP4227328A4 (en) | 2020-11-10 | 2021-09-17 | CHLOROPRENE POLYMER COMPOSITION, METHOD FOR MANUFACTURING SAME AND DIMP-MOLDED ARTICLE |
JP2022561307A JP7470207B2 (ja) | 2020-11-10 | 2021-09-17 | クロロプレン重合体組成物及びその製造方法、並びに、浸漬成形体 |
CN202180068873.4A CN116348507A (zh) | 2020-11-10 | 2021-09-17 | 氯丁二烯聚合物组合物及其制造方法、以及浸渍成型体 |
US18/251,300 US20230416509A1 (en) | 2020-11-10 | 2021-09-17 | Chloroprene polymer composition, manufacturing method therefor, and dip-molded article |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020187108 | 2020-11-10 | ||
JP2020-187108 | 2020-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022102247A1 true WO2022102247A1 (ja) | 2022-05-19 |
Family
ID=81601917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/034390 WO2022102247A1 (ja) | 2020-11-10 | 2021-09-17 | クロロプレン重合体組成物及びその製造方法、並びに、浸漬成形体 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230416509A1 (ja) |
EP (1) | EP4227328A4 (ja) |
JP (1) | JP7470207B2 (ja) |
CN (1) | CN116348507A (ja) |
WO (1) | WO2022102247A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010126586A (ja) * | 2008-11-26 | 2010-06-10 | Tosoh Corp | 加硫ゴム製造用クロロプレン重合体ラテックス及びその製造方法 |
JP2014114342A (ja) | 2012-12-07 | 2014-06-26 | Denki Kagaku Kogyo Kk | ポリクロロプレンラテックス、ポリクロロプレンラテックス組成物及び浸漬成形製品 |
WO2017221881A1 (ja) * | 2016-06-22 | 2017-12-28 | デンカ株式会社 | 難燃ゴム組成物、その加硫物及び成形品 |
JP2018083773A (ja) * | 2016-11-22 | 2018-05-31 | 株式会社大阪ソーダ | 有機珪素化合物、およびそれを用いたゴム組成物 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4141875A (en) * | 1974-02-13 | 1979-02-27 | E. I. Du Pont De Nemours And Company | Polychloroprene-polyvinyl alcohol latex |
JP5369135B2 (ja) * | 2011-04-11 | 2013-12-18 | 電気化学工業株式会社 | ポリクロロプレンラテックス及びその製造方法 |
JP7014792B2 (ja) * | 2017-07-04 | 2022-02-01 | デンカ株式会社 | メルカプタン変性ポリクロロプレンラテックス及びその製造方法 |
-
2021
- 2021-09-17 CN CN202180068873.4A patent/CN116348507A/zh active Pending
- 2021-09-17 EP EP21891495.0A patent/EP4227328A4/en active Pending
- 2021-09-17 US US18/251,300 patent/US20230416509A1/en active Pending
- 2021-09-17 WO PCT/JP2021/034390 patent/WO2022102247A1/ja active Application Filing
- 2021-09-17 JP JP2022561307A patent/JP7470207B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010126586A (ja) * | 2008-11-26 | 2010-06-10 | Tosoh Corp | 加硫ゴム製造用クロロプレン重合体ラテックス及びその製造方法 |
JP2014114342A (ja) | 2012-12-07 | 2014-06-26 | Denki Kagaku Kogyo Kk | ポリクロロプレンラテックス、ポリクロロプレンラテックス組成物及び浸漬成形製品 |
WO2017221881A1 (ja) * | 2016-06-22 | 2017-12-28 | デンカ株式会社 | 難燃ゴム組成物、その加硫物及び成形品 |
JP2018083773A (ja) * | 2016-11-22 | 2018-05-31 | 株式会社大阪ソーダ | 有機珪素化合物、およびそれを用いたゴム組成物 |
Non-Patent Citations (1)
Title |
---|
See also references of EP4227328A4 |
Also Published As
Publication number | Publication date |
---|---|
JP7470207B2 (ja) | 2024-04-17 |
JPWO2022102247A1 (ja) | 2022-05-19 |
US20230416509A1 (en) | 2023-12-28 |
EP4227328A4 (en) | 2024-04-24 |
EP4227328A1 (en) | 2023-08-16 |
CN116348507A (zh) | 2023-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7014792B2 (ja) | メルカプタン変性ポリクロロプレンラテックス及びその製造方法 | |
JP7568829B2 (ja) | クロロプレン重合体ラテックス組成物、及び、浸漬成形体 | |
JP7496354B2 (ja) | クロロプレン共重合体ラテックス及びその製造方法、加硫物、並びに、浸漬成形体及びその製造方法 | |
JP5969985B2 (ja) | ポリクロロプレンラテックス、ゴム組成物及び浸漬成形品 | |
WO2021132460A1 (ja) | クロロプレン共重合体ラテックス組成物及びその成形物 | |
EP4245778A1 (en) | Chloroprene copolymer latex and method for producing same | |
WO2021079981A1 (ja) | クロロプレン共重合体ラテックス及びその製造方法 | |
WO2023190144A1 (ja) | クロロプレン系重合体及び浸漬成形物 | |
WO2023058526A1 (ja) | クロロプレン系重合体ラテックス組成物及びその浸漬成形体 | |
WO2022102247A1 (ja) | クロロプレン重合体組成物及びその製造方法、並びに、浸漬成形体 | |
WO2022130737A1 (ja) | クロロプレン重合体組成物、浸漬成形体及びこれらの製造方法 | |
CN113840850B (en) | Chloroprene copolymer latex and method for producing same, sulfide, and dip-molded article and method for producing same | |
JP7472395B2 (ja) | クロロプレン重合体ラテックス及びその製造方法、並びに、浸漬成形体 | |
WO2020065789A1 (ja) | クロロプレン共重合体ラテックス組成物及びその成形物 | |
WO2023188801A1 (ja) | クロロプレン系重合体組成物の製造方法 | |
WO2024162143A1 (ja) | クロロプレン系重合体、クロロプレン系重合体ラテックス及び浸漬成形物 | |
WO2024176939A1 (ja) | クロロプレン系重合体ラテックス組成物、及び浸漬成形体 | |
WO2023190145A1 (ja) | クロロプレン系重合体ラテックス及び浸漬成形物 | |
EP4378969A1 (en) | Polymer latex composition, immersion molded body, and method for producing polymer latex composition |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21891495 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022561307 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202347028775 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18251300 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2021891495 Country of ref document: EP Effective date: 20230510 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |