JP6804203B2 - Rubber composition and its manufacturing method - Google Patents
Rubber composition and its manufacturing method Download PDFInfo
- Publication number
- JP6804203B2 JP6804203B2 JP2016037158A JP2016037158A JP6804203B2 JP 6804203 B2 JP6804203 B2 JP 6804203B2 JP 2016037158 A JP2016037158 A JP 2016037158A JP 2016037158 A JP2016037158 A JP 2016037158A JP 6804203 B2 JP6804203 B2 JP 6804203B2
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- Prior art keywords
- rubber
- parts
- mass
- rubber composition
- recycled
- Prior art date
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- 229920001971 elastomer Polymers 0.000 title claims description 165
- 239000005060 rubber Substances 0.000 title claims description 165
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000004073 vulcanization Methods 0.000 claims description 43
- 239000006229 carbon black Substances 0.000 claims description 14
- 239000012990 dithiocarbamate Substances 0.000 claims description 11
- 150000003557 thiazoles Chemical class 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 150000004659 dithiocarbamates Chemical class 0.000 claims description 6
- 150000003585 thioureas Chemical class 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 20
- 239000011593 sulfur Substances 0.000 description 20
- 229910052717 sulfur Inorganic materials 0.000 description 20
- 238000004898 kneading Methods 0.000 description 15
- -1 thiurams Chemical class 0.000 description 13
- 239000004636 vulcanized rubber Substances 0.000 description 12
- 229960002447 thiram Drugs 0.000 description 10
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 9
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 8
- 239000004594 Masterbatch (MB) Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- CSNJTIWCTNEOSW-UHFFFAOYSA-N carbamothioylsulfanyl carbamodithioate Chemical compound NC(=S)SSC(N)=S CSNJTIWCTNEOSW-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000009257 reactivity Effects 0.000 description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 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 4
- 239000000654 additive Substances 0.000 description 4
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 229920003048 styrene butadiene rubber Polymers 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- JAEZSIYNWDWMMN-UHFFFAOYSA-N 1,1,3-trimethylthiourea Chemical compound CNC(=S)N(C)C JAEZSIYNWDWMMN-UHFFFAOYSA-N 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VLCDUOXHFNUCKK-UHFFFAOYSA-N N,N'-Dimethylthiourea Chemical compound CNC(=S)NC VLCDUOXHFNUCKK-UHFFFAOYSA-N 0.000 description 2
- FLVIGYVXZHLUHP-UHFFFAOYSA-N N,N'-diethylthiourea Chemical compound CCNC(=S)NCC FLVIGYVXZHLUHP-UHFFFAOYSA-N 0.000 description 2
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 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 2
- 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 2
- WITDFSFZHZYQHB-UHFFFAOYSA-N dibenzylcarbamothioylsulfanyl n,n-dibenzylcarbamodithioate Chemical compound C=1C=CC=CC=1CN(CC=1C=CC=CC=1)C(=S)SSC(=S)N(CC=1C=CC=CC=1)CC1=CC=CC=C1 WITDFSFZHZYQHB-UHFFFAOYSA-N 0.000 description 2
- LEOJDCQCOZOLTQ-UHFFFAOYSA-N dibutylcarbamothioyl n,n-dibutylcarbamodithioate Chemical compound CCCCN(CCCC)C(=S)SC(=S)N(CCCC)CCCC LEOJDCQCOZOLTQ-UHFFFAOYSA-N 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- JMZIXJCNBHXTSI-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-pentylpentan-1-amine Chemical compound C1=CC=C2SC(SN(CCCCC)CCCCC)=NC2=C1 JMZIXJCNBHXTSI-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- AUMBZPPBWALQRO-UHFFFAOYSA-L zinc;n,n-dibenzylcarbamodithioate Chemical compound [Zn+2].C=1C=CC=CC=1CN(C(=S)[S-])CC1=CC=CC=C1.C=1C=CC=CC=1CN(C(=S)[S-])CC1=CC=CC=C1 AUMBZPPBWALQRO-UHFFFAOYSA-L 0.000 description 2
- 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 2
- DUBNHZYBDBBJHD-UHFFFAOYSA-L ziram Chemical compound [Zn+2].CN(C)C([S-])=S.CN(C)C([S-])=S DUBNHZYBDBBJHD-UHFFFAOYSA-L 0.000 description 2
- VXLFMCZPFIKKDZ-UHFFFAOYSA-N (4-methylphenyl)thiourea Chemical compound CC1=CC=C(NC(N)=S)C=C1 VXLFMCZPFIKKDZ-UHFFFAOYSA-N 0.000 description 1
- KCOYHFNCTWXETP-UHFFFAOYSA-N (carbamothioylamino)thiourea Chemical compound NC(=S)NNC(N)=S KCOYHFNCTWXETP-UHFFFAOYSA-N 0.000 description 1
- LFMQNMXVVXHZCC-UHFFFAOYSA-N 1,3-benzothiazol-2-yl n,n-diethylcarbamodithioate Chemical compound C1=CC=C2SC(SC(=S)N(CC)CC)=NC2=C1 LFMQNMXVVXHZCC-UHFFFAOYSA-N 0.000 description 1
- KWPNNZKRAQDVPZ-UHFFFAOYSA-N 1,3-bis(2-methylphenyl)thiourea Chemical compound CC1=CC=CC=C1NC(=S)NC1=CC=CC=C1C KWPNNZKRAQDVPZ-UHFFFAOYSA-N 0.000 description 1
- ULNVBRUIKLYGDF-UHFFFAOYSA-N 1,3-bis(4-methylphenyl)thiourea Chemical compound C1=CC(C)=CC=C1NC(=S)NC1=CC=C(C)C=C1 ULNVBRUIKLYGDF-UHFFFAOYSA-N 0.000 description 1
- KREOCUNMMFZOOS-UHFFFAOYSA-N 1,3-di(propan-2-yl)thiourea Chemical compound CC(C)NC(S)=NC(C)C KREOCUNMMFZOOS-UHFFFAOYSA-N 0.000 description 1
- KAJICSGLHKRDLN-UHFFFAOYSA-N 1,3-dicyclohexylthiourea Chemical compound C1CCCCC1NC(=S)NC1CCCCC1 KAJICSGLHKRDLN-UHFFFAOYSA-N 0.000 description 1
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- MRORKWHSOOKUDV-UHFFFAOYSA-N 1h-benzo[e][1,3]benzothiazole-2-thione Chemical compound C1=CC=C2C(NC(S3)=S)=C3C=CC2=C1 MRORKWHSOOKUDV-UHFFFAOYSA-N 0.000 description 1
- NGCCQISMNZBKJJ-UHFFFAOYSA-N 2,6-dichloro-3-methylquinoline Chemical compound ClC1=CC=C2N=C(Cl)C(C)=CC2=C1 NGCCQISMNZBKJJ-UHFFFAOYSA-N 0.000 description 1
- GSFSVEDCYBDIGW-UHFFFAOYSA-N 2-(1,3-benzothiazol-2-yl)-6-chlorophenol Chemical compound OC1=C(Cl)C=CC=C1C1=NC2=CC=CC=C2S1 GSFSVEDCYBDIGW-UHFFFAOYSA-N 0.000 description 1
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 1
- OTBXXHSYWPTXET-UHFFFAOYSA-N 2-ethylhexyl carbamodithioate Chemical compound CCCCC(CC)CSC(N)=S OTBXXHSYWPTXET-UHFFFAOYSA-N 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
- KRXFTOUYGXMRRU-UHFFFAOYSA-N 3h-1,3-benzothiazole-2-thione;sodium Chemical compound [Na].C1=CC=C2SC(=S)NC2=C1 KRXFTOUYGXMRRU-UHFFFAOYSA-N 0.000 description 1
- JACGKHGTBZGVMW-UHFFFAOYSA-N 4-methyl-3h-1,3-benzothiazole-2-thione Chemical compound CC1=CC=CC2=C1N=C(S)S2 JACGKHGTBZGVMW-UHFFFAOYSA-N 0.000 description 1
- NKYDKCVZNMNZCM-UHFFFAOYSA-N 5-chloro-3h-1,3-benzothiazole-2-thione Chemical compound ClC1=CC=C2SC(S)=NC2=C1 NKYDKCVZNMNZCM-UHFFFAOYSA-N 0.000 description 1
- PNJKZDLZKILFNF-UHFFFAOYSA-N 5-methoxy-1,3-benzothiazole Chemical compound COC1=CC=C2SC=NC2=C1 PNJKZDLZKILFNF-UHFFFAOYSA-N 0.000 description 1
- IDPNFKLUBIKHSW-UHFFFAOYSA-N 6-amino-3h-1,3-benzothiazole-2-thione Chemical compound NC1=CC=C2N=C(S)SC2=C1 IDPNFKLUBIKHSW-UHFFFAOYSA-N 0.000 description 1
- QPOZGXKWWKLJDK-UHFFFAOYSA-N 6-nitro-3h-1,3-benzothiazole-2-thione Chemical compound [O-][N+](=O)C1=CC=C2NC(=S)SC2=C1 QPOZGXKWWKLJDK-UHFFFAOYSA-N 0.000 description 1
- PIVQQUNOTICCSA-UHFFFAOYSA-N ANTU Chemical compound C1=CC=C2C(NC(=S)N)=CC=CC2=C1 PIVQQUNOTICCSA-UHFFFAOYSA-N 0.000 description 1
- ALCOKGCBWMPEIJ-UHFFFAOYSA-N C(N)(S)=S.C(C)C(C[Zn]CC(CCCC)CC)CCCC Chemical compound C(N)(S)=S.C(C)C(C[Zn]CC(CCCC)CC)CCCC ALCOKGCBWMPEIJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UDIPTWFVPPPURJ-UHFFFAOYSA-M Cyclamate Chemical compound [Na+].[O-]S(=O)(=O)NC1CCCCC1 UDIPTWFVPPPURJ-UHFFFAOYSA-M 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical compound S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 description 1
- 101150096839 Fcmr gene Proteins 0.000 description 1
- KFFQABQEJATQAT-UHFFFAOYSA-N N,N'-dibutylthiourea Chemical compound CCCCNC(=S)NCCCC KFFQABQEJATQAT-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- FULZLIGZKMKICU-UHFFFAOYSA-N N-phenylthiourea Chemical compound NC(=S)NC1=CC=CC=C1 FULZLIGZKMKICU-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- RMMPZDDLWLALLJ-UHFFFAOYSA-N Thermophillin Chemical compound COC1=CC(=O)C(OC)=CC1=O RMMPZDDLWLALLJ-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- GNVMUORYQLCPJZ-UHFFFAOYSA-N carbamothioic s-acid Chemical compound NC(S)=O GNVMUORYQLCPJZ-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- KGGZTXSNARMULX-UHFFFAOYSA-L copper;dicarbamodithioate Chemical compound [Cu+2].NC([S-])=S.NC([S-])=S KGGZTXSNARMULX-UHFFFAOYSA-L 0.000 description 1
- MQDOGYRERAPWMG-UHFFFAOYSA-L copper;n,n-di(propan-2-yl)carbamodithioate Chemical compound [Cu+2].CC(C)N(C(C)C)C([S-])=S.CC(C)N(C(C)C)C([S-])=S MQDOGYRERAPWMG-UHFFFAOYSA-L 0.000 description 1
- OWOSAYLCCBKRRF-UHFFFAOYSA-L copper;n,n-dibenzylcarbamodithioate Chemical compound [Cu+2].C=1C=CC=CC=1CN(C(=S)[S-])CC1=CC=CC=C1.C=1C=CC=CC=1CN(C(=S)[S-])CC1=CC=CC=C1 OWOSAYLCCBKRRF-UHFFFAOYSA-L 0.000 description 1
- IXPUJMULXNNEHS-UHFFFAOYSA-L copper;n,n-dibutylcarbamodithioate Chemical compound [Cu+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC IXPUJMULXNNEHS-UHFFFAOYSA-L 0.000 description 1
- ZUDFCOMXXISUCA-UHFFFAOYSA-L copper;n,n-didecylcarbamodithioate Chemical compound [Cu+2].CCCCCCCCCCN(C([S-])=S)CCCCCCCCCC.CCCCCCCCCCN(C([S-])=S)CCCCCCCCCC ZUDFCOMXXISUCA-UHFFFAOYSA-L 0.000 description 1
- LIBRBEVIHIUZSY-UHFFFAOYSA-L copper;n,n-didodecylcarbamodithioate Chemical compound [Cu+2].CCCCCCCCCCCCN(C([S-])=S)CCCCCCCCCCCC.CCCCCCCCCCCCN(C([S-])=S)CCCCCCCCCCCC LIBRBEVIHIUZSY-UHFFFAOYSA-L 0.000 description 1
- OBBCYCYCTJQCCK-UHFFFAOYSA-L copper;n,n-diethylcarbamodithioate Chemical compound [Cu+2].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S OBBCYCYCTJQCCK-UHFFFAOYSA-L 0.000 description 1
- NXAYMCHMSQGCHF-UHFFFAOYSA-L copper;n,n-diheptylcarbamodithioate Chemical compound [Cu+2].CCCCCCCN(C([S-])=S)CCCCCCC.CCCCCCCN(C([S-])=S)CCCCCCC NXAYMCHMSQGCHF-UHFFFAOYSA-L 0.000 description 1
- WIIJVOHQGQETTP-UHFFFAOYSA-L copper;n,n-dihexylcarbamodithioate Chemical compound [Cu+2].CCCCCCN(C([S-])=S)CCCCCC.CCCCCCN(C([S-])=S)CCCCCC WIIJVOHQGQETTP-UHFFFAOYSA-L 0.000 description 1
- QLZAQPISXVBVJN-UHFFFAOYSA-L copper;n,n-dioctylcarbamodithioate Chemical compound [Cu+2].CCCCCCCCN(C([S-])=S)CCCCCCCC.CCCCCCCCN(C([S-])=S)CCCCCCCC QLZAQPISXVBVJN-UHFFFAOYSA-L 0.000 description 1
- BTSJZPQOSLORGE-UHFFFAOYSA-L copper;n,n-dipentylcarbamodithioate Chemical compound [Cu+2].CCCCCN(C([S-])=S)CCCCC.CCCCCN(C([S-])=S)CCCCC BTSJZPQOSLORGE-UHFFFAOYSA-L 0.000 description 1
- UQMKZLGQBFCRSN-UHFFFAOYSA-L copper;n,n-dipropylcarbamodithioate Chemical compound [Cu+2].CCCN(C([S-])=S)CCC.CCCN(C([S-])=S)CCC UQMKZLGQBFCRSN-UHFFFAOYSA-L 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 150000003946 cyclohexylamines Chemical class 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- GWXMDJKGVWQLBZ-UHFFFAOYSA-N di(propan-2-yl)carbamodithioic acid Chemical compound CC(C)N(C(C)C)C(S)=S GWXMDJKGVWQLBZ-UHFFFAOYSA-N 0.000 description 1
- ZUYREEAWHZRZDX-UHFFFAOYSA-N di(propan-2-yl)carbamothioylsulfanyl n,n-di(propan-2-yl)carbamodithioate Chemical compound CC(C)N(C(C)C)C(=S)SSC(=S)N(C(C)C)C(C)C ZUYREEAWHZRZDX-UHFFFAOYSA-N 0.000 description 1
- OKGXJRGLYVRVNE-UHFFFAOYSA-N diaminomethylidenethiourea Chemical compound NC(N)=NC(N)=S OKGXJRGLYVRVNE-UHFFFAOYSA-N 0.000 description 1
- PCERBVBQNKZCFS-UHFFFAOYSA-N dibenzylcarbamodithioic acid Chemical compound C=1C=CC=CC=1CN(C(=S)S)CC1=CC=CC=C1 PCERBVBQNKZCFS-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
- SZRLKIKBPASKQH-UHFFFAOYSA-M dibutyldithiocarbamate Chemical group CCCCN(C([S-])=S)CCCC SZRLKIKBPASKQH-UHFFFAOYSA-M 0.000 description 1
- DJWLPDXKMXJIEW-UHFFFAOYSA-N didodecylcarbamodithioic acid Chemical compound CCCCCCCCCCCCN(C(S)=S)CCCCCCCCCCCC DJWLPDXKMXJIEW-UHFFFAOYSA-N 0.000 description 1
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 description 1
- BQCRLWBELMWYQA-UHFFFAOYSA-N dipropylcarbamodithioic acid Chemical compound CCCN(C(S)=S)CCC BQCRLWBELMWYQA-UHFFFAOYSA-N 0.000 description 1
- ICEXLMACENYGPP-UHFFFAOYSA-N dipropylcarbamothioylsulfanyl n,n-dipropylcarbamodithioate Chemical compound CCCN(CCC)C(=S)SSC(=S)N(CCC)CCC ICEXLMACENYGPP-UHFFFAOYSA-N 0.000 description 1
- 229950004394 ditiocarb Drugs 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 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
- 238000005187 foaming Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- WGPCJVLKOFIRMS-UHFFFAOYSA-K n,n-diethylcarbamodithioate;iron(3+) Chemical compound [Fe+3].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S.CCN(CC)C([S-])=S WGPCJVLKOFIRMS-UHFFFAOYSA-K 0.000 description 1
- MGJYZNJAQSLHOL-UHFFFAOYSA-M n,n-dioctylcarbamodithioate Chemical compound CCCCCCCCN(C([S-])=S)CCCCCCCC MGJYZNJAQSLHOL-UHFFFAOYSA-M 0.000 description 1
- IUJLOAKJZQBENM-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine Chemical compound C1=CC=C2SC(SNC(C)(C)C)=NC2=C1 IUJLOAKJZQBENM-UHFFFAOYSA-N 0.000 description 1
- KOLMHNJKZFYFIT-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-butylbutan-1-amine Chemical compound C1=CC=C2SC(SN(CCCC)CCCC)=NC2=C1 KOLMHNJKZFYFIT-UHFFFAOYSA-N 0.000 description 1
- XCVCGXVRMPQCEO-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-ethylhexan-1-amine Chemical compound C1=CC=C2SC(SN(CC)CCCCCC)=NC2=C1 XCVCGXVRMPQCEO-UHFFFAOYSA-N 0.000 description 1
- NXEAKBQEDOCYSE-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-hexylhexan-1-amine Chemical compound C1=CC=C2SC(SN(CCCCCC)CCCCCC)=NC2=C1 NXEAKBQEDOCYSE-UHFFFAOYSA-N 0.000 description 1
- KCTKXOFIEXKKER-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-octyloctan-1-amine Chemical compound C1=CC=C2SC(SN(CCCCCCCC)CCCCCCCC)=NC2=C1 KCTKXOFIEXKKER-UHFFFAOYSA-N 0.000 description 1
- ZXPPCUWCNWEURJ-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-propylpropan-1-amine Chemical compound C1=CC=C2SC(SN(CCC)CCC)=NC2=C1 ZXPPCUWCNWEURJ-UHFFFAOYSA-N 0.000 description 1
- AVLRJVPAKJCVMC-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)butan-1-amine Chemical compound C1=CC=C2SC(SNCCCC)=NC2=C1 AVLRJVPAKJCVMC-UHFFFAOYSA-N 0.000 description 1
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 1
- LWGSHPYNLKAOON-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)decan-1-amine Chemical compound C1=CC=C2SC(SNCCCCCCCCCC)=NC2=C1 LWGSHPYNLKAOON-UHFFFAOYSA-N 0.000 description 1
- UGXCRNVYXOVTDX-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)ethanamine Chemical compound C1=CC=C2SC(SNCC)=NC2=C1 UGXCRNVYXOVTDX-UHFFFAOYSA-N 0.000 description 1
- RBMMKPRWKSVIRU-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)hexan-1-amine Chemical compound C1=CC=C2SC(SNCCCCCC)=NC2=C1 RBMMKPRWKSVIRU-UHFFFAOYSA-N 0.000 description 1
- UZBIEGBACHITGH-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)methanamine Chemical compound C1=CC=C2SC(SNC)=NC2=C1 UZBIEGBACHITGH-UHFFFAOYSA-N 0.000 description 1
- RFTULHBDHZSJJH-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)octan-1-amine Chemical compound C1=CC=C2SC(SNCCCCCCCC)=NC2=C1 RFTULHBDHZSJJH-UHFFFAOYSA-N 0.000 description 1
- REVYZZCZMXHVMS-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)pentan-1-amine Chemical compound C1=CC=C2SC(SNCCCCC)=NC2=C1 REVYZZCZMXHVMS-UHFFFAOYSA-N 0.000 description 1
- INLFGGOWMRGCMP-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)propan-1-amine Chemical compound C1=CC=C2SC(SNCCC)=NC2=C1 INLFGGOWMRGCMP-UHFFFAOYSA-N 0.000 description 1
- ACLZYRNSDLQOIA-UHFFFAOYSA-N o-tolylthiourea Chemical compound CC1=CC=CC=C1NC(N)=S ACLZYRNSDLQOIA-UHFFFAOYSA-N 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- JCBJVAJGLKENNC-UHFFFAOYSA-M potassium ethyl xanthate Chemical compound [K+].CCOC([S-])=S JCBJVAJGLKENNC-UHFFFAOYSA-M 0.000 description 1
- OMKVZYFAGQKILB-UHFFFAOYSA-M potassium;butoxymethanedithioate Chemical compound [K+].CCCCOC([S-])=S OMKVZYFAGQKILB-UHFFFAOYSA-M 0.000 description 1
- ROKMMAWTMJKDKE-UHFFFAOYSA-M potassium;decoxymethanedithioate Chemical compound [K+].CCCCCCCCCCOC([S-])=S ROKMMAWTMJKDKE-UHFFFAOYSA-M 0.000 description 1
- IQICNHWUOUBTNT-UHFFFAOYSA-M potassium;dodecoxymethanedithioate Chemical compound [K+].CCCCCCCCCCCCOC([S-])=S IQICNHWUOUBTNT-UHFFFAOYSA-M 0.000 description 1
- UONHJSWTEBJXNB-UHFFFAOYSA-M potassium;heptoxymethanedithioate Chemical compound [K+].CCCCCCCOC([S-])=S UONHJSWTEBJXNB-UHFFFAOYSA-M 0.000 description 1
- PEEXCRJDFUVJRT-UHFFFAOYSA-M potassium;methoxymethanedithioate Chemical compound [K+].COC([S-])=S PEEXCRJDFUVJRT-UHFFFAOYSA-M 0.000 description 1
- YEEBCCODSASHMM-UHFFFAOYSA-M potassium;octoxymethanedithioate Chemical compound [K+].CCCCCCCCOC([S-])=S YEEBCCODSASHMM-UHFFFAOYSA-M 0.000 description 1
- YIBBMDDEXKBIAM-UHFFFAOYSA-M potassium;pentoxymethanedithioate Chemical compound [K+].CCCCCOC([S-])=S YIBBMDDEXKBIAM-UHFFFAOYSA-M 0.000 description 1
- ZMWBGRXFDPJFGC-UHFFFAOYSA-M potassium;propan-2-yloxymethanedithioate Chemical compound [K+].CC(C)OC([S-])=S ZMWBGRXFDPJFGC-UHFFFAOYSA-M 0.000 description 1
- NZUFLKMNMAHESJ-UHFFFAOYSA-M potassium;propoxymethanedithioate Chemical compound [K+].CCCOC([S-])=S NZUFLKMNMAHESJ-UHFFFAOYSA-M 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- RZFBEFUNINJXRQ-UHFFFAOYSA-M sodium ethyl xanthate Chemical compound [Na+].CCOC([S-])=S RZFBEFUNINJXRQ-UHFFFAOYSA-M 0.000 description 1
- AAJRIJBGDLLRAE-UHFFFAOYSA-M sodium;butoxymethanedithioate Chemical compound [Na+].CCCCOC([S-])=S AAJRIJBGDLLRAE-UHFFFAOYSA-M 0.000 description 1
- CMVMSEZGNOBNAR-UHFFFAOYSA-M sodium;decoxymethanedithioate Chemical compound [Na+].CCCCCCCCCCOC([S-])=S CMVMSEZGNOBNAR-UHFFFAOYSA-M 0.000 description 1
- MXYZLWDAMHUDMX-UHFFFAOYSA-M sodium;dodecoxymethanedithioate Chemical compound [Na+].CCCCCCCCCCCCOC([S-])=S MXYZLWDAMHUDMX-UHFFFAOYSA-M 0.000 description 1
- XQKPOQKTYXHCRM-UHFFFAOYSA-M sodium;heptoxymethanedithioate Chemical compound [Na+].CCCCCCCOC([S-])=S XQKPOQKTYXHCRM-UHFFFAOYSA-M 0.000 description 1
- FNRCSECOAFDAOJ-UHFFFAOYSA-M sodium;hexoxymethanedithioate Chemical compound [Na+].CCCCCCOC([S-])=S FNRCSECOAFDAOJ-UHFFFAOYSA-M 0.000 description 1
- AFLAOXOHBAMFHT-UHFFFAOYSA-M sodium;methoxymethanedithioate Chemical compound [Na+].COC([S-])=S AFLAOXOHBAMFHT-UHFFFAOYSA-M 0.000 description 1
- XXPMBGMBGWRNRH-UHFFFAOYSA-M sodium;n,n-bis(2-ethylhexyl)carbamodithioate Chemical compound [Na+].CCCCC(CC)CN(C([S-])=S)CC(CC)CCCC XXPMBGMBGWRNRH-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
- HSMJHYIKSKAADV-UHFFFAOYSA-M sodium;n,n-didecylcarbamodithioate Chemical compound [Na+].CCCCCCCCCCN(C([S-])=S)CCCCCCCCCC HSMJHYIKSKAADV-UHFFFAOYSA-M 0.000 description 1
- DCPCEBPTHKRZIJ-UHFFFAOYSA-M sodium;n,n-didodecylcarbamodithioate Chemical compound [Na+].CCCCCCCCCCCCN(C([S-])=S)CCCCCCCCCCCC DCPCEBPTHKRZIJ-UHFFFAOYSA-M 0.000 description 1
- LAHATCIHENQQOP-UHFFFAOYSA-M sodium;n,n-dioctylcarbamodithioate Chemical compound [Na+].CCCCCCCCN(C([S-])=S)CCCCCCCC LAHATCIHENQQOP-UHFFFAOYSA-M 0.000 description 1
- DWVJEMMXXKPJTE-UHFFFAOYSA-M sodium;n,n-dipentylcarbamodithioate Chemical compound [Na+].CCCCCN(C([S-])=S)CCCCC DWVJEMMXXKPJTE-UHFFFAOYSA-M 0.000 description 1
- ILNWEIMZWZNAKF-UHFFFAOYSA-M sodium;n,n-dipropylcarbamodithioate Chemical compound [Na+].CCCN(C([S-])=S)CCC ILNWEIMZWZNAKF-UHFFFAOYSA-M 0.000 description 1
- NMACXHISEGVEII-UHFFFAOYSA-M sodium;octoxymethanedithioate Chemical compound [Na+].CCCCCCCCOC([S-])=S NMACXHISEGVEII-UHFFFAOYSA-M 0.000 description 1
- RFKHZOHSRQNNPW-UHFFFAOYSA-M sodium;pentoxymethanedithioate Chemical compound [Na+].CCCCCOC([S-])=S RFKHZOHSRQNNPW-UHFFFAOYSA-M 0.000 description 1
- IRZFQKXEKAODTJ-UHFFFAOYSA-M sodium;propan-2-yloxymethanedithioate Chemical compound [Na+].CC(C)OC([S-])=S IRZFQKXEKAODTJ-UHFFFAOYSA-M 0.000 description 1
- PGGWALFSVWIQLA-UHFFFAOYSA-M sodium;propoxymethanedithioate Chemical compound [Na+].CCCOC([S-])=S PGGWALFSVWIQLA-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- CTPKSRZFJSJGML-UHFFFAOYSA-N sulfiram Chemical compound CCN(CC)C(=S)SC(=S)N(CC)CC CTPKSRZFJSJGML-UHFFFAOYSA-N 0.000 description 1
- 150000003464 sulfur compounds Chemical class 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
- 239000012991 xanthate Substances 0.000 description 1
- 150000003751 zinc Chemical class 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
- 239000011787 zinc oxide Substances 0.000 description 1
- NEYNBSGIXOOZGZ-UHFFFAOYSA-L zinc;butoxymethanedithioate Chemical compound [Zn+2].CCCCOC([S-])=S.CCCCOC([S-])=S NEYNBSGIXOOZGZ-UHFFFAOYSA-L 0.000 description 1
- NHEULSZPXJJAOK-UHFFFAOYSA-L zinc;decoxymethanedithioate Chemical compound [Zn+2].CCCCCCCCCCOC([S-])=S.CCCCCCCCCCOC([S-])=S NHEULSZPXJJAOK-UHFFFAOYSA-L 0.000 description 1
- MBZYPLKDVWDBFH-UHFFFAOYSA-L zinc;dodecoxymethanedithioate Chemical compound [Zn+2].CCCCCCCCCCCCOC([S-])=S.CCCCCCCCCCCCOC([S-])=S MBZYPLKDVWDBFH-UHFFFAOYSA-L 0.000 description 1
- WPZFNRZRCODGMX-UHFFFAOYSA-L zinc;ethoxymethanedithioate Chemical compound [Zn+2].CCOC([S-])=S.CCOC([S-])=S WPZFNRZRCODGMX-UHFFFAOYSA-L 0.000 description 1
- FNDQJQQFCFQLTP-UHFFFAOYSA-L zinc;heptoxymethanedithioate Chemical compound [Zn+2].CCCCCCCOC([S-])=S.CCCCCCCOC([S-])=S FNDQJQQFCFQLTP-UHFFFAOYSA-L 0.000 description 1
- FEOHQWJWLSYWDJ-UHFFFAOYSA-L zinc;hexoxymethanedithioate Chemical compound [Zn+2].CCCCCCOC([S-])=S.CCCCCCOC([S-])=S FEOHQWJWLSYWDJ-UHFFFAOYSA-L 0.000 description 1
- KGOSNXIBMGHQBR-UHFFFAOYSA-L zinc;methoxymethanedithioate Chemical compound [Zn+2].COC([S-])=S.COC([S-])=S KGOSNXIBMGHQBR-UHFFFAOYSA-L 0.000 description 1
- WQEXWHWDGOERGS-UHFFFAOYSA-L zinc;n,n-di(propan-2-yl)carbamodithioate Chemical compound [Zn+2].CC(C)N(C(C)C)C([S-])=S.CC(C)N(C(C)C)C([S-])=S WQEXWHWDGOERGS-UHFFFAOYSA-L 0.000 description 1
- PMHSRCWSZWJZFN-UHFFFAOYSA-L zinc;n,n-didecylcarbamodithioate Chemical compound [Zn+2].CCCCCCCCCCN(C([S-])=S)CCCCCCCCCC.CCCCCCCCCCN(C([S-])=S)CCCCCCCCCC PMHSRCWSZWJZFN-UHFFFAOYSA-L 0.000 description 1
- WKPMJWCYKAGOLT-UHFFFAOYSA-L zinc;n,n-didodecylcarbamodithioate Chemical compound [Zn+2].CCCCCCCCCCCCN(C([S-])=S)CCCCCCCCCCCC.CCCCCCCCCCCCN(C([S-])=S)CCCCCCCCCCCC WKPMJWCYKAGOLT-UHFFFAOYSA-L 0.000 description 1
- YTKAYKIKGOITDD-UHFFFAOYSA-L zinc;n,n-diheptylcarbamodithioate Chemical compound [Zn+2].CCCCCCCN(C([S-])=S)CCCCCCC.CCCCCCCN(C([S-])=S)CCCCCCC YTKAYKIKGOITDD-UHFFFAOYSA-L 0.000 description 1
- VSWBCXJHSLMWFY-UHFFFAOYSA-L zinc;n,n-dihexylcarbamodithioate Chemical compound [Zn+2].CCCCCCN(C([S-])=S)CCCCCC.CCCCCCN(C([S-])=S)CCCCCC VSWBCXJHSLMWFY-UHFFFAOYSA-L 0.000 description 1
- JGSUMMPGKPITGK-UHFFFAOYSA-L zinc;n,n-dipentylcarbamodithioate Chemical compound [Zn+2].CCCCCN(C([S-])=S)CCCCC.CCCCCN(C([S-])=S)CCCCC JGSUMMPGKPITGK-UHFFFAOYSA-L 0.000 description 1
- QUPAJUAGQJQKQE-UHFFFAOYSA-L zinc;n,n-dipropylcarbamodithioate Chemical compound [Zn+2].CCCN(C([S-])=S)CCC.CCCN(C([S-])=S)CCC QUPAJUAGQJQKQE-UHFFFAOYSA-L 0.000 description 1
- XCZHWCHDGLXWQU-UHFFFAOYSA-L zinc;octoxymethanedithioate Chemical compound [Zn+2].CCCCCCCCOC([S-])=S.CCCCCCCCOC([S-])=S XCZHWCHDGLXWQU-UHFFFAOYSA-L 0.000 description 1
- WKEANFGAGCEWSA-UHFFFAOYSA-L zinc;pentoxymethanedithioate Chemical compound [Zn+2].CCCCCOC([S-])=S.CCCCCOC([S-])=S WKEANFGAGCEWSA-UHFFFAOYSA-L 0.000 description 1
- SZNCKQHFYDCMLZ-UHFFFAOYSA-L zinc;propan-2-yloxymethanedithioate Chemical compound [Zn+2].CC(C)OC([S-])=S.CC(C)OC([S-])=S SZNCKQHFYDCMLZ-UHFFFAOYSA-L 0.000 description 1
- GPTVLJQJAOTUCP-UHFFFAOYSA-L zinc;propoxymethanedithioate Chemical compound [Zn+2].CCCOC([S-])=S.CCCOC([S-])=S GPTVLJQJAOTUCP-UHFFFAOYSA-L 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Description
本発明は、ゴム組成物およびその製造方法に関し、詳しくは、得られるゴム製品の破断強力の低下が改善されたゴム組成物およびその製造方法に関する。 The present invention relates to a rubber composition and a method for producing the same, and more particularly to a rubber composition having an improved reduction in breaking strength of the obtained rubber product and a method for producing the same.
従来、使用済みのタイヤ等の加硫ゴム製品は、その多くが再利用されることなく廃棄処分されてきたが、環境問題、省資源化等の観点から、タイヤ等の加硫ゴムの廃棄物のリサイクルが急務となってきている。加硫ゴムの再生方法としては、例えば、２軸押出機を使用して、加硫ゴムに熱と剪断力を加えることにより行う方法が知られている。また、特許文献１では、加硫ゴムを脱硫して未加硫のゴムとして再生する技術が提案されている。 Conventionally, most of used vulcanized rubber products such as tires have been disposed of without being reused. However, from the viewpoint of environmental problems and resource saving, vulcanized rubber products such as tires are discarded. There is an urgent need to recycle tires. As a method for regenerating vulcanized rubber, for example, a method is known in which heat and shearing force are applied to the vulcanized rubber by using a twin-screw extruder. Further, Patent Document 1 proposes a technique for desulfurizing vulcanized rubber and regenerating it as unvulcanized rubber.
特許文献１で提案されている技術は、加硫ゴム廃棄物を１００℃〜４５０℃の高温水蒸気と接触反応させることにより、加硫ゴムを脱加硫させた後、この脱加硫物を回収し、ゴム材料として再利用するものである。これによれば、加硫ゴムが高温水蒸気と接触することにより、加硫ゴムの加硫点が選択的に切断され、ゴム分子の低分子量化が抑制され、再利用性の高い高品質の再生ゴムを得ることができる。また、再生ゴムの生成は、高温水蒸気と接触させるだけであるため、処理にあたって特別な設備を必要とせず、従来の方法に比べ、設備に要する費用を低減することができ、また、回収も容易であるという利点を有している。 The technique proposed in Patent Document 1 recovers the vulcanized rubber after devulcanizing the vulcanized rubber by contact-reacting the vulcanized rubber waste with high-temperature steam at 100 ° C. to 450 ° C. However, it is reused as a rubber material. According to this, when the vulcanized rubber comes into contact with high-temperature steam, the vulcanization point of the vulcanized rubber is selectively cut, the reduction of the molecular weight of the rubber molecule is suppressed, and high-quality regeneration with high reusability. You can get rubber. In addition, since the production of recycled rubber is only in contact with high-temperature steam, no special equipment is required for processing, the cost required for the equipment can be reduced as compared with the conventional method, and recovery is easy. It has the advantage of being.
通常、再生ゴムは天然ゴム等のゴム成分１００質量部に対して１〜３０質量部配合される。しかしながら、再生ゴムを用いたゴム製品は、再生ゴムを用いていないゴム製品と比べて破断強力が劣るという問題がある。このように、加硫ゴムの廃棄物をリサイクルするにあたっては、改善すべき点が残されており、さらなる検討が求められているのが現状である。 Usually, the recycled rubber is blended in an amount of 1 to 30 parts by mass with respect to 100 parts by mass of a rubber component such as natural rubber. However, a rubber product using recycled rubber has a problem that the breaking strength is inferior to that of a rubber product not using recycled rubber. As described above, there are still some points to be improved in recycling the vulcanized rubber waste, and the current situation is that further studies are required.
そこで、本発明の目的は、得られるゴム製品の破断強力の低下が改善されたゴム組成物およびその製造方法を提供することにある。 Therefore, an object of the present invention is to provide a rubber composition having improved reduction in breaking strength of the obtained rubber product and a method for producing the same.
本発明者は、上記課題を解消するために鋭意検討した結果、再生ゴムに予め加硫促進剤を配合し、加硫促進剤マスターバッチとすることで、上記課題を解消することができることを見出し、本発明を完成するに至った。 As a result of diligent studies to solve the above problems, the present inventor has found that the above problems can be solved by preliminarily blending a vulcanization accelerator with recycled rubber to form a vulcanization accelerator masterbatch. , The present invention has been completed.
すなわち、本発明のゴム組成物は、未加硫のゴム１００質量部に対して、再生ゴムが１〜３０質量部とカーボンブラックとが添加されてなり、
前記再生ゴムが、再生ゴム１００質量部に対して、加硫促進剤が０．０２５質量部以上添加されてなる再生ゴムであって、
前記加硫促進剤が、スルフェンアミド類、チアゾール類、チオウレア類、ジチオカルバミン酸塩類、およびキサントゲン酸塩類からなる群から選ばれる化合物であることを特徴とするものである。
That is, in the rubber composition of the present invention, 1 to 30 parts by mass of recycled rubber and carbon black are added to 100 parts by mass of unvulcanized rubber.
The recycled rubber is a recycled rubber obtained by adding 0.025 parts by mass or more of a vulcanization accelerator to 100 parts by mass of the recycled rubber.
The vulcanization accelerator is characterized in that it is a compound selected from the group consisting of sulfenamides, thiazoles, thioureas, dithiocarbamates, and xanthogenates.
本発明のゴム組成物においては、前記加硫促進剤が、スルフェンアミド類およびチアゾール類からなる群から選ばれる化合物であることが好ましい。また、本発明のゴム組成物においては、前記加硫促進剤の添加量は、０．９５質量部未満であることが好ましい。 In the rubber composition of the present invention, it is preferable that the vulcanization accelerator is a compound selected from the group consisting of sulfenamides and thiazoles. Further, in the rubber composition of the present invention, the amount of the vulcanization accelerator added is preferably less than 0.95 parts by mass.
さらに、本発明のゴム組成物の製造方法は、未加硫のゴム１００質量部に対して、再生ゴムを１〜３０質量部とカーボンブラックとを添加するゴム組成物の製造方法であって、
前記再生ゴムが、再生ゴム１００質量部に対して、加硫促進剤が０．０２５質量部以上添加されてなる再生ゴムであって、
前記加硫促進剤が、スルフェンアミド類、チアゾール類、チオウレア類、ジチオカルバミン酸塩類、およびキサントゲン酸塩類からなる群から選ばれる化合物であることを特徴とするものである。
Further, the method for producing a rubber composition of the present invention is a method for producing a rubber composition in which 1 to 30 parts by mass of recycled rubber and carbon black are added to 100 parts by mass of unvulcanized rubber.
The recycled rubber is a recycled rubber obtained by adding 0.025 parts by mass or more of a vulcanization accelerator to 100 parts by mass of the recycled rubber.
The vulcanization accelerator is characterized in that it is a compound selected from the group consisting of sulfenamides, thiazoles, thioureas, dithiocarbamates, and xanthogenates.
本発明のゴム組成物の製造方法においては、前記加硫促進剤が、スルフェンアミド類およびチアゾール類からなる群から選ばれる化合物であることが好ましい。また、本発明のゴム組成物の製造方法においては、前記加硫促進剤の添加量は、０．９５質量部未満であることが好ましい。 In the method for producing a rubber composition of the present invention, it is preferable that the vulcanization accelerator is a compound selected from the group consisting of sulfenamides and thiazoles. Further, in the method for producing a rubber composition of the present invention, the amount of the vulcanization accelerator added is preferably less than 0.95 parts by mass.
本発明によれば、得られるゴム製品の破断強力の低下が改善されたゴム組成物およびその製造方法を提供することができる。 According to the present invention, it is possible to provide a rubber composition in which a decrease in breaking strength of the obtained rubber product is improved and a method for producing the same.
以下、本発明の再生ゴムについて、詳細に説明する。
本発明の再生ゴムは、再生ゴム１００質量部に対して、加硫促進剤が０．０２５質量部以上、好ましくは０．９５質量部未満添加されてなるものである。上述のとおり、再生ゴムを用いたゴム製品は、再生ゴムを用いていないゴム製品と比べて破断強力が劣る。しかしながら、本発明の再生ゴムを用いたゴム組成物は、得られるゴム製品の破断強力の低下を改善することができる。その理由は、以下のとおりであると考えられる。
Hereinafter, the recycled rubber of the present invention will be described in detail.
The recycled rubber of the present invention is obtained by adding 0.025 parts by mass or more, preferably less than 0.95 parts by mass of a vulcanization accelerator to 100 parts by mass of the recycled rubber. As described above, the rubber product using recycled rubber is inferior in breaking strength to the rubber product not using recycled rubber. However, the rubber composition using the recycled rubber of the present invention can improve the decrease in breaking strength of the obtained rubber product. The reason is considered to be as follows.
通常の天然ゴム等では、ゴム成分１００質量部に対し、約２質量部の硫黄を配合することで破断強力が最大となるが、それ以上硫黄を配合すると破断強力が低下してしまう。一方、再生ゴムは、再生ゴム１００質量部に対して、４質量部前後の硫黄を配合することで破断強力が最大となる。すなわち、再生ゴムと未加硫ゴムとでは、破断強度が最大となる硫黄の添加量にはずれが存在する。しかしながら、未加硫ゴムは硫黄の配合を大きくすると破断強力が低下してしまうため、再生ゴムを含有するゴム組成物の硫黄の配合量を増やすことができない。その結果、再生ゴムを添加したゴム組成物中の再生ゴムは十分な破断強力を発揮することができず、再生ゴムを用いたゴム製品は、未加硫ゴムのみからなるゴム製品と比べて破断強力が小さくなってしまう。 In ordinary natural rubber and the like, the breaking strength is maximized by adding about 2 parts by mass of sulfur to 100 parts by mass of the rubber component, but if more sulfur is added, the breaking strength is lowered. On the other hand, the recycled rubber has the maximum breaking strength by blending about 4 parts by mass of sulfur with respect to 100 parts by mass of the recycled rubber. That is, there is a difference in the amount of sulfur added that maximizes the breaking strength between the recycled rubber and the unvulcanized rubber. However, since the breaking strength of unvulcanized rubber decreases when the amount of sulfur is increased, the amount of sulfur in the rubber composition containing recycled rubber cannot be increased. As a result, the recycled rubber in the rubber composition to which the recycled rubber was added could not exhibit sufficient breaking strength, and the rubber product using the recycled rubber broke as compared with the rubber product consisting only of unvulcanized rubber. The power becomes smaller.
そこで、本発明の再生ゴムにおいては、再生ゴムに加硫促進剤を予め添加してマスターバッチとしている。再生ゴムに添加された加硫促進剤は、再生ゴム中の加硫を促進し、遊離硫黄を消費する。このようなゴムマスターバッチを未加硫ゴムに加えたゴム組成物は、ゴム組成物中の再生ゴム成分の中の遊離硫黄が少なくなるため、未加硫ゴム中の遊離の硫黄が再生ゴム中に移動してくる。その結果、再生ゴム中のみ、局所的に硫黄量が多くなり、再生ゴムの破断強力を最大に発揮できる硫黄量にすることができ、未加硫ゴムおよび再生ゴム共に、破断強力を十分に発揮できるようになる。なお、再生ゴム１００質量部に対して加硫促進剤の添加量が０．０２５質量部未満であると、本発明の効果を十分に得ることができない。一方、加硫促進剤の上限については特に制限はないが、０．９５質量部を超えても得られる効果はほぼ同じなので、０．９５質量部未満が好ましい。 Therefore, in the recycled rubber of the present invention, a vulcanization accelerator is added to the recycled rubber in advance to form a masterbatch. The vulcanization accelerator added to the recycled rubber promotes vulcanization in the recycled rubber and consumes free sulfur. In a rubber composition obtained by adding such a rubber master batch to unvulcanized rubber, the amount of free sulfur in the regenerated rubber component in the rubber composition is reduced, so that the free sulfur in the unvulcanized rubber is contained in the regenerated rubber. Move to. As a result, the amount of sulfur is locally increased only in the recycled rubber, and the amount of sulfur that can maximize the breaking strength of the recycled rubber can be obtained, and both the unvulcanized rubber and the recycled rubber sufficiently exhibit the breaking strength. become able to. If the amount of the vulcanization accelerator added is less than 0.025 parts by mass with respect to 100 parts by mass of the recycled rubber, the effect of the present invention cannot be sufficiently obtained. On the other hand, the upper limit of the vulcanization accelerator is not particularly limited, but it is preferably less than 0.95 parts by mass because the effect obtained even if it exceeds 0.95 parts by mass is almost the same.
本発明の再生ゴムに用いることができる再生ゴムとしては特に制限はなく、ポリマーに、硫黄または硫黄化合物を混合し、炭素主鎖間にモノスルフィド結合、ジスルフィド結合、ポリスルフィド結合等の多種の硫黄架橋結合が形成され、ゴム弾性を示すようにしたものであればよい。このようなポリマー成分としては、天然ゴム、ブタジエンゴム、イソプレンゴム、ブチルゴム、エチレン−プロピレンゴム、スチレン−ブタジエンゴム、ＥＰＤＭ（エチレンプロピレンジエンターポリマー）、アクリルゴム、アクリロニトリル−ブタジエンゴム等を挙げることができる。このような加硫ゴムは、ゴムタイヤ、ウェザーストリップ、ホース類等の使用済み廃材、成形の際に生成する不要の端材、成形不良品等から得ることができる。 The regenerated rubber that can be used for the regenerated rubber of the present invention is not particularly limited, and a polymer is mixed with sulfur or a sulfur compound, and various sulfur crosslinks such as monosulfide bond, disulfide bond, and polysulfide bond are formed between the carbon main chains. Any material may be used as long as it has a bond formed and exhibits rubber elasticity. Examples of such polymer components include natural rubber, butadiene rubber, isoprene rubber, butyl rubber, ethylene-propylene rubber, styrene-butadiene rubber, EPDM (ethylene propylene dienter polymer), acrylic rubber, acrylonitrile-butadiene rubber and the like. it can. Such vulcanized rubber can be obtained from used waste materials such as rubber tires, weather strips, hoses, unnecessary scraps generated during molding, defective molding products, and the like.
また、本発明の再生ゴムに用いることができる加硫促進剤としては、特に制限はなく、スルフェンアミド類、チアゾール類、チウラム類、チオウレア類、ジチオカルバミン酸塩類およびキサントゲン酸塩類から選ばれる化合物を用いることができる。本発明の再生ゴムにおいては、これらの加硫促進剤は、１種を単独で用いてもよく、２種以上を併用してもよい。 The vulcanization accelerator that can be used in the regenerated rubber of the present invention is not particularly limited, and a compound selected from sulfenamides, thiazoles, thiurams, thioureas, dithiocarbamates and xanthogenates can be used. Can be used. In the recycled rubber of the present invention, these vulcanization accelerators may be used alone or in combination of two or more.
スルフェンアミド類としては、Ｎ−シクロヘキシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジシクロヘキシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−ｔｅｒｔ−ブチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−オキシジエチレン−２−ベンゾチアゾリルスルフェンアミド、Ｎ−メチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−エチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−プロピル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−ブチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−ペンチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−ヘキシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−ペンチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−オクチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−２−エチルヘキシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−デシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−ドデシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ−ステアリル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジメチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジエチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジプロピル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジブチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジペンチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジヘキシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジペンチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジオクチル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジ−２−エチルヘキシルベンゾチアゾリルスルフェンアミド、Ｎ−デシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジドデシル−２−ベンゾチアゾリルスルフェンアミド、Ｎ，Ｎ−ジステアリル−２−ベンゾチアゾリルスルフェンアミド等が挙げられる。これらの中でも、Ｎ−シクロヘキシル−２−ベンゾチアゾリルスルフェンアミドおよびＮ−ｔｅｒｔ−ブチル−２−ベンゾチアゾリルスルフェンアミドは、カーボンブラックとの反応性が高いので好ましい。 Examples of sulfene amides include N-cyclohexyl-2-benzothiazolyl sulfeneamide, N, N-dicyclohexyl-2-benzothiazolyl sulfeneamide, N-tert-butyl-2-benzothiazolyl sulfeneamide, N-oxydiethylene-2-benzothiazolyl sulphenamide, N-methyl-2-benzothiazolyl sulphenamide, N-ethyl-2-benzothiazolyl sulphenamide, N-propyl-2-benzothiazolyl sulphenamide Fenamide, N-butyl-2-benzothiazolyl sulphenamide, N-pentyl-2-benzothiazolyl sulphenamide, N-hexyl-2-benzothiazolyl sulphenamide, N-pentyl-2-benzothia Zoryl sulphenamide, N-octyl-2-benzothiazolyl sulphen amide, N-2-ethylhexyl-2-benzothiazolyl sulphen amide, N-decyl-2-benzothiazolyl sulphenamide, N-dodecyl- 2-benzothiazolyl sulfene amide, N-stearyl-2-benzothiazolyl sulfene amide, N, N-dimethyl-2-benzothiazolyl sulfene amide, N, N-diethyl-2-benzothiazolyl sulfene Amide, N, N-dipropyl-2-benzothiazolyl sulphenamide, N, N-dibutyl-2-benzothiazolyl sulphenamide, N, N-dipentyl-2-benzothiazolyl sulphenamide, N, N -Dihexyl-2-benzothiazolyl sulphenamide, N, N-dipentyl-2-benzothiazolyl sulphenamide, N, N-dioctyl-2-benzothiazolyl sulphenamide, N, N-di-2- Ethylhexyl benzothiazolyl sulfene amide, N-decyl-2-benzothiazolyl sulfene amide, N, N-didodecyl-2-benzothiazolyl sulfene amide, N, N-distearyl-2-benzothiazolyl sulfene Examples include amides. Among these, N-cyclohexyl-2-benzothiazolyl sulphenamide and N-tert-butyl-2-benzothiazolyl sulphenamide are preferable because they have high reactivity with carbon black.
チアゾール類としては、２−メルカプトベンゾチアゾール、ビス（４−メチルベンゾチアゾリル−２）−ジスルフィド、ジ−２−ベンゾチアゾリルジスルフィド、２−メルカプトベンゾチアゾールの亜鉛塩、２−メルカプトベンゾチアゾールのシクロヘキシルアミン塩、２−（Ｎ，Ｎ−ジエチルチオカルバモイルチオ）ベンゾチアゾール、２−（４’−モルホリノジチオ）ベンゾチアゾール、４−メチル−２−メルカプトベンゾチアゾール、ジ−（４−メチル−２−ベンゾチアゾリル）ジスルフィド、５−クロロ−２−メルカプトベンゾチアゾール、２−メルカプトベンゾチアゾールナトリウム、２−メルカプト−６−ニトロベンゾチアゾール、２−メルカプト−ナフト［１，２−ｄ］チアゾール、２−メルカプト−５−メトキシベンゾチアゾール、６−アミノ−２−メルカプトベンゾチアゾール等が挙げられる。これらの中でも、２−メルカプトベンゾチアゾール、ビス（４−メチルベンゾチアゾリル−２）−ジスルフィド、およびジ−２−ベンゾチアゾリルジスルフィドは、カーボンブラックとの反応性が高いので好ましい。 Examples of thiazoles include 2-mercaptobenzothiazole, bis (4-methylbenzothiazolyl-2) -disulfide, di-2-benzothiazolyl disulfide, zinc salt of 2-mercaptobenzothiazole, and 2-mercaptobenzothiazole. Cyclohexylamine salt, 2- (N, N-diethylthiocarbamoylthio) benzothiazole, 2- (4'-morpholinodithio) benzothiazole, 4-methyl-2-mercaptobenzothiazole, di- (4-methyl-2) -Benzothiazole) disulfide, 5-chloro-2-mercaptobenzothiazole, 2-mercaptobenzothiazole sodium, 2-mercapto-6-nitrobenzothiazole, 2-mercapto-naphtho [1,2-d] thiazole, 2-mercapto- Examples thereof include 5-methoxybenzothiazole and 6-amino-2-mercaptobenzothiazole. Among these, 2-mercaptobenzothiazole, bis (4-methylbenzothiazolyl-2) -disulfide, and di-2-benzothiazolyl disulfide are preferable because they have high reactivity with carbon black.
チウラム類としては、テトラメチルチウラムジスルフィド、テトラエチルチウラムジスルフィド、テトラプロピルチウラムジスルフィド、テトライソプロピルチウラムジスルフィド、テトラブチルチウラムジスルフィド、テトラペンチルチウラムジスルフィド、テトラヘキシルチウラムジスルフィド、テトラヘプチルチウラムジスルフィド、テトラオクチルチウラムジスルフィド、テトラノニルチウラムジスルフィド、テトラデシルチウラムジスルフィド、テトラドデシルチウラムジスルフィド、テトラステアリルチウラムジスルフィド、テトラベンジルチウラムジスルフィド、テトラキス（２−エチルヘキシル）チウラムジスルフィド、テトラメチルチウラムモノスルフィド、テトラエチルチウラムモノスルフィド、テトラプロピルチウラムモノスルフィド、テトライソプロピルチウラムモノスルフィド、テトラブチルチウラムモノスルフィド、テトラペンチルチウラムモノスルフィド、テトラヘキシルチウラムモノスルフィド、テトラヘプチルチウラムモノスルフィド、テトラオクチルチウラムモノスルフィド、テトラノニルチウラムモノスルフィド、テトラデシルチウラムモノスルフィド、テトラドデシルチウラムモノスルフィド、テトラステアリルチウラムモノスルフィド、テトラベンジルチウラムモノスルフィド、ジペンタメチレンチウラムテトラスルフィド等が挙げられる。これらの中でも、テトラキス（２−エチルヘキシル）チウラムジスルフィドおよびテトラベンジルチウラムジスルフィドは、カーボンブラックとの反応性が高いので好ましい。 Examples of chiurams include tetramethylthium disulfide, tetraethyl thiuram disulfide, tetrapropyl thiuram disulfide, tetraisopropyl thiuram disulfide, tetrabutyl thiuram disulfide, tetrapentyl thiuram disulfide, tetrahexyl thiuram disulfide, tetraheptyl thiuram disulfide, tetraoctyl thiuram disulfide, and tetra. Nonyl thiuram disulfide, tetradecyl thiuram disulfide, tetradodecyl thiuram disulfide, tetrastearyl thiuram disulfide, tetrabenzyl thiuram disulfide, tetrakis (2-ethylhexyl) thiuram disulfide, tetramethyl thiuram monosulfide, tetraethyl thiuram monosulfide, tetrapropyl thiuram monosulfide, Tetraisopropyl thiuram monosulfide, tetrabutyl thiuram monosulfide, tetrapentyl thiuram monosulfide, tetrahexyl thiuram monosulfide, tetraheptyl thiuram monosulfide, tetraoctyl thiuram monosulfide, tetranonyl thiuram monosulfide, tetradecyl thiuram monosulfide, tetradodecyl Examples thereof include thiuram monosulfide, tetrastearyl thiuram monosulfide, tetrabenzyl thiuram monosulfide, dipentamethylene thiuram tetrasulfide and the like. Among these, tetrakis (2-ethylhexyl) thiuram disulfide and tetrabenzyl thiuram disulfide are preferable because they have high reactivity with carbon black.
チオウレア類としては、チオ尿素、Ｎ，Ｎ’−ジフェニルチオ尿素、トリメチルチオ尿素、Ｎ，Ｎ’−ジエチルチオ尿素、Ｎ，Ｎ’−ジメチルチオ尿素、Ｎ，Ｎ’−ジブチルチオ尿素、エチレンチオ尿素、Ｎ，Ｎ’−ジイソプロピルチオ尿素、Ｎ，Ｎ’−ジシクロヘキシルチオ尿素、１，３−ジ（ｏ−トリル）チオ尿素、１，３−ジ（ｐ−トリル）チオ尿素、１，１−ジフェニル−２−チオ尿素、２，５−ジチオビ尿素、グアニルチオ尿素、１−（１−ナフチル）−２−チオ尿素、１−フェニル−２−チオ尿素、ｐ−トリルチオ尿素、ｏ−トリルチオ尿素等が挙げられる。これらの中でも、チオ尿素、Ｎ，Ｎ’−ジエチルチオ尿素、トリメチルチオ尿素、Ｎ，Ｎ’−ジフェニルチオ尿素及びＮ，Ｎ’−ジメチルチオ尿素は、カーボンブラックとの反応性が高いので好ましい。 Examples of thioureas include thiourea, N, N'-diphenylthiourea, trimethylthiourea, N, N'-diethylthiourea, N, N'-dimethylthiourea, N, N'-dibutylthiourea, ethylenethiourea, N, N'-diisopropylthiourea, N, N'-dicyclohexylthiourea, 1,3-di (o-tolyl) thiourea, 1,3-di (p-tolyl) thiourea, 1,1-diphenyl-2- Examples thereof include thiourea, 2,5-dithiobiurea, guanylthiourea, 1- (1-naphthyl) -2-thiourea, 1-phenyl-2-thiourea, p-tolylthiourea, o-tolylthiourea and the like. Among these, thiourea, N, N'-diethylthiourea, trimethylthiourea, N, N'-diphenylthiourea and N, N'-dimethylthiourea are preferable because they have high reactivity with carbon black.
ジチオカルバミン酸塩類としては、ジメチルジチオカルバミン酸亜鉛、ジエチルジチオカルバミン酸亜鉛、ジプロピルジチオカルバミン酸亜鉛、ジイソプロピルジチオカルバミン酸亜鉛、ジブチルジチオカルバミン酸亜鉛、ジペンチルジチオカルバミン酸亜鉛、ジヘキシルジチオカルバミン酸亜鉛、ジヘプチルジチオカルバミン酸亜鉛、ジオクチルジチオカルバミン酸亜鉛、ジ（２−エチルヘキシル）ジチオカルバミン酸亜鉛、ジデシルジチオカルバミン酸亜鉛、ジドデシルジチオカルバミン酸亜鉛、Ｎ−ペンタメチレンジチオカルバミン酸亜鉛、Ｎ−エチル−Ｎ−フェニルジチオカルバミン酸亜鉛、ジベンジルジチオカルバミン酸亜鉛、ジメチルジチオカルバミン酸銅、ジエチルジチオカルバミン酸銅、ジプロピルジチオカルバミン酸銅、ジイソプロピルジチオカルバミン酸銅、ジブチルジチオカルバミン酸銅、ジペンチルジチオカルバミン酸銅、ジヘキシルジチオカルバミン酸銅、ジヘプチルジチオカルバミン酸銅、ジオクチルジチオカルバミン酸銅、ジ（２−エチルヘキシル）ジチオカルバミン酸銅、ジデシルジチオカルバミン酸銅、ジドデシルジチオカルバミン酸銅、Ｎ−ペンタメチレンジチオカルバミン酸銅、ジベンジルジチオカルバミン酸銅、ジメチルジチオカルバミン酸ナトリウム、ジエチルジチオカルバミン酸ナトリウム、ジプロピルジチオカルバミン酸ナトリウム、ジイソプロピルジチオカルバミン酸ナトリウム、ジブチルジチオカルバミン酸ナトリウム、ジペンチルジチオカルバミン酸ナトリウム、ジヘキシルジチオカルバミン酸ナトリウム、ジヘプチルジチオカルバミン酸ナトリウム、ジオクチルジチオカルバミン酸ナトリウム、ジ（２−エチルヘキシル）ジチオカルバミン酸ナトリウム、ジデシルジチオカルバミン酸ナトリウム、ジドデシルジチオカルバミン酸ナトリウム、Ｎ−ペンタメチレンジチオカルバミン酸ナトリウム、ジベンジルジチオカルバミン酸ナトリウム、ジメチルジチオカルバミン酸第二鉄、ジエチルジチオカルバミン酸第二鉄、ジプロピルジチオカルバミン酸第二鉄、ジイソプロピルジチオカルバミン酸第二鉄、ジブチルジチオカルバミン酸第二鉄、ジペンチルジチオカルバミン酸第二鉄、ジヘキシルジチオカルバミン酸第二鉄、ジヘプチルジチオカルバミン酸第二鉄、ジオクチルジチオカルバミン酸第二鉄、ジ（２−エチルヘキシル）ジチオカルバミン酸第二鉄、ジデシルジチオカルバミン酸第二鉄、ジドデシルジチオカルバミン酸第二鉄、Ｎ−ペンタメチレンジチオカルバミン酸第二鉄、ジベンジルジチオカルバミン酸第二鉄等が挙げられる。これらの中でも、ジベンジルジチオカルバミン酸亜鉛、Ｎ−エチル−Ｎ−フェニルジチオカルバミン酸亜鉛、ジメチルジチオカルバミン酸亜鉛およびジメチルジチオカルバミン酸銅は、カーボンブラックとの反応性が高いので好ましい。 Examples of dithiocarbamates include zinc dimethyldithiocarbamate, zinc diethyldithiocarbamate, zinc dipropyldithiocarbamate, zinc diisopropyldithiocarbamate, zinc dibutyldithiocarbamate, zinc dipentyldithiocarbamate, zinc dihexyldithiocarbamate, zinc diheptyldithiocarbamate, and dioctyldithiocarbamine. Zinc acid, di (2-ethylhexyl) zinc dithiocarbamate, zinc didecyldithiocarbamate, zinc didodecyldithiocarbamate, zinc N-pentamethylenedithiocarbamate, zinc N-ethyl-N-phenyldithiocarbamate, zinc dibenzyldithiocarbamate, Copper dimethyldithiocarbamate, copper diethyldithiocarbamate, copper dipropyldithiocarbamate, copper diisopropyldithiocarbamate, copper dibutyldithiocarbamate, copper dipentyldithiocarbamate, copper dihexyldithiocarbamate, copper diheptyldithiocarbamate, copper dioctyldithiocarbamate, di (2) -Ethethylhexyl) Copper dithiocarbamate, copper didecyldithiocarbamate, copper didodecyldithiocarbamate, copper N-pentamethylenedithiocarbamate, copper dibenzyldithiocarbamate, sodium dimethyldithiocarbamate, sodium diethyldithiocarbamate, sodium dipropyldithiocarbamate, diisopropyl Sodium dithiocarbamate, sodium dibutyldithiocarbamate, sodium dipentyl dithiocarbamate, sodium dihexyl dithiocarbamate, sodium diheptyl dithiocarbamate, sodium dioctyl dithiocarbamate, sodium di (2-ethylhexyl) dithiocarbamate, sodium didecyldithiocarbamate, didodecyldithiocarbamate Sodium, sodium N-pentamethylenedithiocarbamate, sodium dibenzyldithiocarbamate, ferric dimethyldithiocarbamate, ferric diethyldithiocarbamate, ferric dipropyldithiocarbamate, ferric diisopropyldithiocarbamate, secondary dibutyldithiocarbamate Iron, dipentyl dithiocarbamate ferric, dihexyl dithiocarbamate ferric, diheptyl dithiocarbamate ferric, dioctyl dithiocarbamate ferric, di (2-ethylhexyl) dithiocarbamate ferric, didecyldi Examples thereof include ferric thiocarbamic acid, ferric didodecyldithiocarbamic acid, ferric N-pentamethylene dithiocarbamic acid, ferric dibenzyldithiocarbamate and the like. Among these, zinc dibenzyldithiocarbamate, zinc N-ethyl-N-phenyldithiocarbamate, zinc dimethyldithiocarbamate and copper dimethyldithiocarbamate are preferable because they have high reactivity with carbon black.
キサントゲン酸塩類としては、メチルキサントゲン酸亜鉛、エチルキサントゲン酸亜鉛、プロピルキサントゲン酸亜鉛、イソプロピルキサントゲン酸亜鉛、ブチルキサントゲン酸亜鉛、ペンチルキサントゲン酸亜鉛、ヘキシルキサントゲン酸亜鉛、ヘプチルキサントゲン酸亜鉛、オクチルキサントゲン酸亜鉛、２−エチルヘキシルキサントゲン酸亜鉛、デシルキサントゲン酸亜鉛、ドデシルキサントゲン酸亜鉛、メチルキサントゲン酸カリウム、エチルキサントゲン酸カリウム、プロピルキサントゲン酸カリウム、イソプロピルキサントゲン酸カリウム、ブチルキサントゲン酸カリウム、ペンチルキサントゲン酸カリウム、ヘキシルキサントゲン酸カリウム、ヘプチルキサントゲン酸カリウム、オクチルキサントゲン酸カリウム、２−エチルヘキシルキサントゲン酸カリウム、デシルキサントゲン酸カリウム、ドデシルキサントゲン酸カリウム、メチルキサントゲン酸ナトリウム、エチルキサントゲン酸ナトリウム、プロピルキサントゲン酸ナトリウム、イソプロピルキサントゲン酸ナトリウム、ブチルキサントゲン酸ナトリウム、ペンチルキサントゲン酸ナトリウム、ヘキシルキサントゲン酸ナトリウム、ヘプチルキサントゲン酸ナトリウム、オクチルキサントゲン酸ナトリウム、２−エチルヘキシルキサントゲン酸ナトリウム、デシルキサントゲン酸ナトリウム、ドデシルキサントゲン酸ナトリウム等が挙げられる。これらの中でも、イソプロピルキサントゲン酸亜鉛は、カーボンブラックとの反応性が高いので好ましい。 Examples of xanthates include zinc methylxanthate, zinc ethylxanthate, zinc propylxanthate, zinc isopropylxanthate, zinc butylxanthate, zinc pentylxanthate, zinc hexylxanthate, zinc heptylxanthate, and zinc octylxanthate. , 2-ethylhexanthate, zinc decylxanthate, zinc dodecylxanthate, potassium methylxanthate, potassium ethylxanthate, potassium propylxanthate, potassium isopropylxanthate, potassium butylxanthate, potassium pentylxanthate, hexylxanthogen Potassium acid, potassium heptylxanthate, potassium octylxanthate, potassium 2-ethylhexanthate, potassium decylxanthate, potassium dodecylxanthate, sodium methylxanthate, sodium ethylxanthate, sodium propylxanthate, sodium isopropylxanthate, Examples thereof include sodium butylxanthate, sodium pentylxanthate, sodium hexylxanthate, sodium heptylxanthate, sodium octylxanthate, sodium 2-ethylhexanthate, sodium decylxanthate, and sodium dodecylxanthate. Among these, zinc isopropylxanthogenate is preferable because it has high reactivity with carbon black.
本発明の再生ゴムは再生ゴム１００質量部に対して、加硫促進剤が０．０２５質量部以上添加されてなるものであれば、これ以外に特に制限はなく、再生ゴムおよび加硫促進剤の他、ゴム業界で通常用いられている老化防止剤等の各種添加剤を、本発明の効果を阻害しない範囲で適宜配合することができる。 The recycled rubber of the present invention is not particularly limited as long as 0.025 parts by mass or more of the vulcanization accelerator is added to 100 parts by mass of the recycled rubber, and the recycled rubber and the vulcanization accelerator are not particularly limited. In addition, various additives such as an antiaging agent commonly used in the rubber industry can be appropriately blended as long as the effects of the present invention are not impaired.
本発明の再生ゴムは、再生ゴム１００質量部に対して、加硫促進剤を０．０２５質量部以上、好ましくは０．９５質量部未満添加し、混練等の既知の方法にて製造することができる。この混練の条件としては特に制限はなく、混練装置への投入体積、ローターの回転速度、ラム圧、混練温度、混練時間、混練装置の種類等の諸条件については、目的に応じて適宜選択することができる。混練装置としては、例えば、バンバリーミキサー、インターミックス、ニーダー等が挙げられる。 The regenerated rubber of the present invention is produced by adding 0.025 parts by mass or more, preferably less than 0.95 parts by mass of a vulcanization accelerator to 100 parts by mass of the regenerated rubber, and by a known method such as kneading. Can be done. The conditions for this kneading are not particularly limited, and various conditions such as the volume charged into the kneading device, the rotation speed of the rotor, the ram pressure, the kneading temperature, the kneading time, and the type of the kneading device are appropriately selected according to the purpose. be able to. Examples of the kneading device include a Banbury mixer, an intermix, a kneader and the like.
次に、本発明のゴム組成物について説明する。本発明のゴム組成物は、未加硫のゴム１００質量部に対して、本発明の再生ゴムが１〜３０質量部添加されてなるものである。上述のとおり、本発明の再生ゴムには、加硫促進剤が添加されているため、再生ゴム中の加硫が促進され、再生ゴム中の遊離硫黄が消費される。その結果、ゴム組成物中の再生ゴム成分の中の遊離硫黄が少なくなり、未加硫ゴム中の遊離の硫黄が再生ゴム中に移動してくる。これにより、再生ゴム中のみ、局所的に硫黄量が多くなり、再生ゴムも破断強力が十分に発揮されることになる。なお、本発明のゴム組成物に添加する硫黄の量は、好適にはゴム成分１００質量部に対して０．５〜２．５質量部であり、このような硫黄量で、本発明の再生ゴムを含有するゴム組成物が、十分な破断強力を発揮するためには、未加硫ゴム１００質量部に対して、本発明の再生ゴムの配合量は、好適には３〜２０質量部である。 Next, the rubber composition of the present invention will be described. The rubber composition of the present invention is obtained by adding 1 to 30 parts by mass of the regenerated rubber of the present invention to 100 parts by mass of unvulcanized rubber. As described above, since the vulcanization accelerator is added to the regenerated rubber of the present invention, vulcanization in the regenerated rubber is promoted and free sulfur in the regenerated rubber is consumed. As a result, the amount of free sulfur in the regenerated rubber component in the rubber composition is reduced, and the free sulfur in the unvulcanized rubber moves into the regenerated rubber. As a result, the amount of sulfur is locally increased only in the recycled rubber, and the recycled rubber also exhibits sufficient breaking strength. The amount of sulfur added to the rubber composition of the present invention is preferably 0.5 to 2.5 parts by mass with respect to 100 parts by mass of the rubber component, and such an amount of sulfur is the regeneration of the present invention. In order for the rubber composition containing rubber to exhibit sufficient breaking strength, the blending amount of the recycled rubber of the present invention is preferably 3 to 20 parts by mass with respect to 100 parts by mass of unvulcanized rubber. is there.
本発明のゴム組成物は、未加硫のゴム１００質量部に対して、本発明の再生ゴムが１〜３０質量部添加されてなることのみが重要であり、それ以外に特に制限はない。例えば、本発明のゴム組成物には、ゴム業界で通常用いられている各種添加剤を、本発明の効果を阻害しない範囲で適宜配合することができる。例えば、カーボンブラック、シリカ、炭酸カルシウム等の無機充填剤、シランカップリング剤等のカップリング剤、軟化剤、Ｎ−シクロへキシル−２−ベンゾチアジル−スルフェンアミド、Ｎ−オキシジエチレン−ベンゾチアジル−スルフェンアミド等の老化防止剤、酸化亜鉛、ステアリン酸、オゾン劣化防止剤、発泡剤、発泡助剤等が挙げられ、これらは１種を単独で使用してもよいし、２種以上を併用してもよい。なお、これら各種添加剤としては、市販品を使用することができる。 In the rubber composition of the present invention, it is only important that 1 to 30 parts by mass of the regenerated rubber of the present invention is added to 100 parts by mass of the unvulcanized rubber, and there is no particular limitation other than that. For example, various additives usually used in the rubber industry can be appropriately blended in the rubber composition of the present invention as long as the effects of the present invention are not impaired. For example, inorganic fillers such as carbon black, silica and calcium carbonate, coupling agents such as silane coupling agents, softeners, N-cyclohexyl-2-benzothiazil-sulfenamide, N-oxydiethylene-benzothiazyl-sulfenamide. Examples thereof include antiaging agents such as fenamide, zinc oxide, stearic acid, ozone deterioration inhibitors, foaming agents, foaming aids, etc., and one of these may be used alone or in combination of two or more. You may. Commercially available products can be used as these various additives.
本発明のゴム組成物は、未加硫のゴム１００質量部に対して、本発明の再生ゴムを１〜３０質量部添加およびその他の添加剤を適宜選択した装置、条件、手法等にて混練り、熱入れ、押出等することにより製造することができる。 The rubber composition of the present invention is mixed with 100 parts by mass of unvulcanized rubber by adding 1 to 30 parts by mass of the regenerated rubber of the present invention and appropriately selecting other additives by an apparatus, conditions, method or the like. It can be manufactured by kneading, heating, extruding, or the like.
混練りは、混練り装置への投入体積、ローターの回転速度、ラム圧等や、混練り温度、混練り時間、混練り装置等の諸条件について特に制限はなく、所望に応じ適宜選択することができる。混練り装置としては、例えば、ロールなどの開放式混練機やバンバリーミキサーなどの密閉式混練機等が挙げられ、市販品を好適に使用することができる。 The kneading is not particularly limited in terms of the volume charged into the kneading device, the rotation speed of the rotor, the ram pressure, etc., the kneading temperature, the kneading time, the kneading device, etc., and should be appropriately selected as desired. Can be done. Examples of the kneading device include an open kneader such as a roll and a closed kneader such as a Banbury mixer, and commercially available products can be preferably used.
熱入れまたは押出についても、熱入れまたは押出の時間、熱入れまたは押出の装置等の諸条件について特に制限はなく、所望に応じ適宜選択することができる。また、熱入れまたは押出の装置についても、市販品を好適に使用することができる。 The heating or extrusion is also not particularly limited in terms of the heating or extrusion time, the heating or extrusion device, and the like, and can be appropriately selected as desired. Further, as for the heating or extrusion device, a commercially available product can be preferably used.
本発明のゴム組成物は、タイヤ等のゴム製品に用いることができる。タイヤに用いる場合、適用箇所には特に制限はなく、その具体的な構造や他の材料等についても特に制限されるものではない。 The rubber composition of the present invention can be used for rubber products such as tires. When used for tires, there are no particular restrictions on the applicable locations, and the specific structure, other materials, etc. are not particularly limited.
以下、本発明を、実施例を用いてより詳細に説明する。
＜実施例１−１〜１−６＞
再生ゴムとしてタイヤリク（村岡ゴム工業（株）社製）を用いた。この再生ゴム１０質量部に対して、下記表１、２に示す量の加硫促進剤（ノクセラーＣＺ：大内新興化学工業（株）社製）を添加し、各促進剤マスターバッチ再生ゴムを調製した。なお、表中の配合量の単位は質量部である。
Hereinafter, the present invention will be described in more detail with reference to examples.
<Examples 1-1 to 1-6>
Tire Riku (manufactured by Muraoka Rubber Industry Co., Ltd.) was used as the recycled rubber. To 10 parts by mass of this recycled rubber, an amount of vulcanization accelerator (Noxeller CZ: manufactured by Ouchi Shinko Kagaku Kogyo Co., Ltd.) shown in Tables 1 and 2 below was added to add each accelerator masterbatch recycled rubber. Prepared. The unit of the blending amount in the table is a mass part.
未加硫のスチレンブタジエンゴム（ＳＢＲ）１００質量部に対して、先に調製した促進剤マスターバッチ再生ゴム（全量）、カーボンブラック５０質量部（旭カーボン（株）社製）、老化防止剤２質量部、ステアリン酸２質量部、亜鉛華２．５質量部、硫黄１．６質量部および加硫促進剤１．８質量部加え、混練してゴム組成物を得た。得られたゴム組成物につき、引張強さ（ＴＢ）の試験を、ＪＩＳ基準に準じて行った。得られた結果について、後記の比較例１−１を１００として指数表示にし、表１、２に併記する。この指数が大きいほど、結果が優れていることを意味する。なお、加硫条件は１４５℃で３３分とし、試験温度は２５℃とした。また、引張特性はＪＩＳ Ｋ ６２５１に準じて行った。この際、試験片幅は５ｍｍ、試験片長は２０ｍｍとし、引張速度は５００ｍｍ／ｍｉｎとした。 For 100 parts by mass of unvulcanized styrene-butadiene rubber (SBR), the accelerator master batch recycled rubber (total amount) prepared above, 50 parts by mass of carbon black (manufactured by Asahi Carbon Co., Ltd.), anti-aging agent 2 A rubber composition was obtained by adding parts by mass, 2 parts by mass of stearic acid, 2.5 parts by mass of carbon black, 1.6 parts by mass of sulfur and 1.8 parts by mass of a vulcanization accelerator and kneading. The obtained rubber composition was tested for tensile strength (TB) according to JIS standards. The obtained results are displayed in exponential notation with Comparative Example 1-1 described later as 100, and are also shown in Tables 1 and 2. The larger this index, the better the result. The vulcanization condition was 145 ° C. for 33 minutes, and the test temperature was 25 ° C. Moreover, the tensile property was performed according to JIS K 6251. At this time, the width of the test piece was 5 mm, the length of the test piece was 20 mm, and the tensile speed was 500 mm / min.
＜比較例１−１＞
再生ゴムを用いなかったこと以外は、実施例１−１〜１−６と同様にゴム組成物を調製し、引張強さ（ＴＢ）につき試験を行った。得られた結果を表１に併記する。
<Comparative Example 1-1>
A rubber composition was prepared in the same manner as in Examples 1-1 to 1-6 except that recycled rubber was not used, and a test was conducted for tensile strength (TB). The results obtained are also shown in Table 1.
＜比較例１−２＞
再生ゴムに加硫促進剤を添加しなかったこと以外は、実施例１−１〜１−６と同様にゴム組成物を調製し、引張強さ（ＴＢ）につき試験を行った。得られた結果を表１に併記する。
<Comparative Example 1-2>
A rubber composition was prepared in the same manner as in Examples 1-1 to 1-6 except that a vulcanization accelerator was not added to the regenerated rubber, and a test was conducted for tensile strength (TB). The results obtained are also shown in Table 1.
＜比較例１−３〜１−６＞
再生ゴムに加硫促進剤を添加せず、ゴム組成物に添加する加硫促進剤を、それぞれ０．００、０．０１、０．０３、および０．０５質量部追加したこと以外、実施例１−１〜１−６と同様にゴム組成物を調製し、引張強さ（ＴＢ）につき試験を行った。得られた結果を表１に併記する。
<Comparative Examples 1-3 to 1-6>
Examples except that 0.00, 0.01, 0.03, and 0.05 parts by mass of vulcanization accelerators to be added to the rubber composition were added to the regenerated rubber without adding the vulcanization accelerators, respectively. A rubber composition was prepared in the same manner as in 1-1 to 1-6, and the tensile strength (TB) was tested. The results obtained are also shown in Table 1.
＜実施例２−１、２−２＞
加硫促進剤を下記表３に示すものに変更したこと以外、実施例１−１〜１−６と同様にしてゴム組成物を調製し、得られたゴム組成物につき、引張強さ（ＴＢ）につき試験を行った。得られた結果を表３に併記する。
<Examples 2-1 and 2-2>
A rubber composition was prepared in the same manner as in Examples 1-1 to 1-6 except that the vulcanization accelerator was changed to that shown in Table 3 below, and the obtained rubber composition had a tensile strength (TB). ) Was tested. The results obtained are also shown in Table 3.
＜実施例３−１〜３−４＞
未加硫ゴムをＳＢＲから、未加硫のＳＢＲにカーボンブラック５０質量部（旭カーボン（株）社製）、シリカ７５質量部（東ソーシリカ社製）添加したゴムとし、加硫促進剤を下記表４に示すものに変更したこと以外、実施例１−１〜１−６と同様にしてゴム組成物を調製し、得られたゴム組成物につき、引張強さ（ＴＢ）につき試験を行った。得られた結果を表４に併記する。
<Examples 3-1 to 3-4>
Unvulcanized rubber is made from SBR, and 50 parts by mass of carbon black (manufactured by Asahi Carbon Co., Ltd.) and 75 parts by mass of silica (manufactured by Toso Silica) are added to the unvulcanized SBR, and the vulcanization accelerator is as follows. A rubber composition was prepared in the same manner as in Examples 1-1 to 1-6 except that it was changed to that shown in Table 4, and the obtained rubber composition was tested for tensile strength (TB). .. The results obtained are also shown in Table 4.
＜比較例３−１＞
再生ゴムを用いなかったこと以外は、実施例３−１〜３−４と同様にゴム組成物を得た。得られたゴム組成物につき、引張強さ（ＴＢ）につき試験を行った。得られた結果を表４に併記する。
<Comparative Example 3-1>
A rubber composition was obtained in the same manner as in Examples 3-1 to 3-4, except that recycled rubber was not used. The obtained rubber composition was tested for tensile strength (TB). The results obtained are also shown in Table 4.
＜比較例３−２＞
再生ゴムに加硫促進剤を添加しなかったこと以外は実施例３−１〜３−４と同様にゴム組成物を調製した。得られたゴム組成物につき、引張強さ（ＴＢ）につき試験を行った。得られた結果を表４に併記する。
<Comparative Example 3-2>
A rubber composition was prepared in the same manner as in Examples 3-1 to 3-4 except that a vulcanization accelerator was not added to the regenerated rubber. The obtained rubber composition was tested for tensile strength (TB). The results obtained are also shown in Table 4.
表１〜４より、再生ゴムに予め加硫促進剤を添加して加硫促進剤マスターバッチとすることで、再生ゴムを用いたゴム組成物から得られたゴム製品の破断強力を改善できることがわかる。 From Tables 1 to 4, it is possible to improve the breaking strength of the rubber product obtained from the rubber composition using the recycled rubber by adding the vulcanization accelerator to the recycled rubber in advance to prepare the vulcanization accelerator masterbatch. Understand.
Claims (6)
前記再生ゴムが、再生ゴム１００質量部に対して、加硫促進剤が０．０２５質量部以上添加されてなる再生ゴムであって、
前記加硫促進剤が、スルフェンアミド類、チアゾール類、チオウレア類、ジチオカルバミン酸塩類、およびキサントゲン酸塩類からなる群から選ばれる化合物であることを特徴とするゴム組成物。 The rubber 100 weight parts of unvulcanized, Ri playback rubber Na is added and 1 to 30 parts by weight of carbon black,
The recycled rubber is a recycled rubber obtained by adding 0.025 parts by mass or more of a vulcanization accelerator to 100 parts by mass of the recycled rubber.
A rubber composition, wherein the vulcanization accelerator is a compound selected from the group consisting of sulfenamides, thiazoles, thioureas, dithiocarbamates, and xanthogenates .
前記再生ゴムが、再生ゴム１００質量部に対して、加硫促進剤が０．０２５質量部以上添加されてなる再生ゴムであって、
前記加硫促進剤が、スルフェンアミド類、チアゾール類、チオウレア類、ジチオカルバミン酸塩類、およびキサントゲン酸塩類からなる群から選ばれる化合物であることを特徴とするゴム組成物の製造方法。 The rubber 100 weight parts of unvulcanized a method of manufacturing a playback rubber a rubber composition is added and 1 to 30 parts by weight of carbon black,
The recycled rubber is a recycled rubber obtained by adding 0.025 parts by mass or more of a vulcanization accelerator to 100 parts by mass of the recycled rubber.
A method for producing a rubber composition, wherein the vulcanization accelerator is a compound selected from the group consisting of sulfenamides, thiazoles, thioureas, dithiocarbamates, and xanthogenates .
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