JP6310699B2 - タイヤ - Google Patents
タイヤ Download PDFInfo
- Publication number
- JP6310699B2 JP6310699B2 JP2014001391A JP2014001391A JP6310699B2 JP 6310699 B2 JP6310699 B2 JP 6310699B2 JP 2014001391 A JP2014001391 A JP 2014001391A JP 2014001391 A JP2014001391 A JP 2014001391A JP 6310699 B2 JP6310699 B2 JP 6310699B2
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- JP
- Japan
- Prior art keywords
- mass
- parts
- rubber
- bis
- carbon black
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920001971 elastomer Polymers 0.000 claims description 74
- 239000005060 rubber Substances 0.000 claims description 74
- 239000005062 Polybutadiene Substances 0.000 claims description 67
- 229920002857 polybutadiene Polymers 0.000 claims description 66
- 239000006229 carbon black Substances 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 34
- -1 sulfide compound Chemical class 0.000 claims description 33
- 229910052717 sulfur Inorganic materials 0.000 claims description 29
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 26
- 239000011593 sulfur Substances 0.000 claims description 25
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 18
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 17
- 125000003342 alkenyl group Chemical group 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 150000002910 rare earth metals Chemical class 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 8
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical class C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 26
- ALVPFGSHPUPROW-UHFFFAOYSA-N dipropyl disulfide Chemical compound CCCSSCCC ALVPFGSHPUPROW-UHFFFAOYSA-N 0.000 description 22
- 239000000446 fuel Substances 0.000 description 19
- 238000004073 vulcanization Methods 0.000 description 14
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 11
- CETBSQOFQKLHHZ-UHFFFAOYSA-N Diethyl disulfide Chemical compound CCSSCC CETBSQOFQKLHHZ-UHFFFAOYSA-N 0.000 description 10
- 244000043261 Hevea brasiliensis Species 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000003054 catalyst Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 229920003052 natural elastomer Polymers 0.000 description 10
- 229920001194 natural rubber Polymers 0.000 description 10
- 239000002585 base Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 229920003048 styrene butadiene rubber Polymers 0.000 description 8
- 239000002174 Styrene-butadiene Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- GAZXPZNJTZIGBO-UHFFFAOYSA-N Dipropyl trisulfide Chemical compound CCCSSSCCC GAZXPZNJTZIGBO-UHFFFAOYSA-N 0.000 description 6
- 230000003712 anti-aging effect Effects 0.000 description 6
- 229920003049 isoprene rubber Polymers 0.000 description 6
- VTHOKNTVYKTUPI-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSSCCC[Si](OCC)(OCC)OCC VTHOKNTVYKTUPI-UHFFFAOYSA-N 0.000 description 6
- 229920002554 vinyl polymer Polymers 0.000 description 6
- XFSWEOBOOZNZKZ-UHFFFAOYSA-N (ethyltetrasulfanyl)ethane Chemical compound CCSSSSCC XFSWEOBOOZNZKZ-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- OPMRTBDRQRSNDN-UHFFFAOYSA-N Diethyl trisulfide Chemical compound CCSSSCC OPMRTBDRQRSNDN-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000003999 initiator Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 5
- 239000004636 vulcanized rubber Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- GJPDBURPGLWRPW-UHFFFAOYSA-N 1-(hexyldisulfanyl)hexane Chemical compound CCCCCCSSCCCCCC GJPDBURPGLWRPW-UHFFFAOYSA-N 0.000 description 3
- YSQZSPCQDXHJDJ-UHFFFAOYSA-N 1-(pentyldisulfanyl)pentane Chemical compound CCCCCSSCCCCC YSQZSPCQDXHJDJ-UHFFFAOYSA-N 0.000 description 3
- CUDSBWGCGSUXDB-UHFFFAOYSA-N Dibutyl disulfide Chemical compound CCCCSSCCCC CUDSBWGCGSUXDB-UHFFFAOYSA-N 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 150000003606 tin compounds Chemical class 0.000 description 3
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 description 2
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-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
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 229920005683 SIBR Polymers 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 150000002603 lanthanum Chemical class 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-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
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- QAZLUNIWYYOJPC-UHFFFAOYSA-M sulfenamide Chemical compound [Cl-].COC1=C(C)C=[N+]2C3=NC4=CC=C(OC)C=C4N3SCC2=C1C QAZLUNIWYYOJPC-UHFFFAOYSA-M 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 0 *NC1=Nc2ccccc2*1 Chemical compound *NC1=Nc2ccccc2*1 0.000 description 1
- MFNTTYYYVNGQPW-UHFFFAOYSA-N 1-(butyltrisulfanyl)butane Chemical compound CCCCSSSCCCC MFNTTYYYVNGQPW-UHFFFAOYSA-N 0.000 description 1
- LJAMCFROHQBCHN-UHFFFAOYSA-N 1-(hexyltetrasulfanyl)hexane Chemical compound CCCCCCSSSSCCCCCC LJAMCFROHQBCHN-UHFFFAOYSA-N 0.000 description 1
- RJPDNKQSRBYCAW-UHFFFAOYSA-N 1-(hexyltrisulfanyl)hexane Chemical compound CCCCCCSSSCCCCCC RJPDNKQSRBYCAW-UHFFFAOYSA-N 0.000 description 1
- BEUFFHMNIMJUHH-UHFFFAOYSA-N 1-(pentyltetrasulfanyl)pentane Chemical compound CCCCCSSSSCCCCC BEUFFHMNIMJUHH-UHFFFAOYSA-N 0.000 description 1
- WYFBNKJWRKAKJY-UHFFFAOYSA-N 1-(pentyltrisulfanyl)pentane Chemical compound CCCCCSSSCCCCC WYFBNKJWRKAKJY-UHFFFAOYSA-N 0.000 description 1
- UJPKMTDFFUTLGM-UHFFFAOYSA-N 1-aminoethanol Chemical compound CC(N)O UJPKMTDFFUTLGM-UHFFFAOYSA-N 0.000 description 1
- CBXRMKZFYQISIV-UHFFFAOYSA-N 1-n,1-n,1-n',1-n',2-n,2-n,2-n',2-n'-octamethylethene-1,1,2,2-tetramine Chemical compound CN(C)C(N(C)C)=C(N(C)C)N(C)C CBXRMKZFYQISIV-UHFFFAOYSA-N 0.000 description 1
- ROGIWVXWXZRRMZ-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1 ROGIWVXWXZRRMZ-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 241001441571 Hiodontidae Species 0.000 description 1
- 101000652578 Homo sapiens Thyroid transcription factor 1-associated protein 26 Proteins 0.000 description 1
- 239000002879 Lewis base Substances 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- 102100030344 Thyroid transcription factor 1-associated protein 26 Human genes 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- GCTFWCDSFPMHHS-UHFFFAOYSA-M Tributyltin chloride Chemical compound CCCC[Sn](Cl)(CCCC)CCCC GCTFWCDSFPMHHS-UHFFFAOYSA-M 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- YVHDRFKHKGNLNW-UHFFFAOYSA-L [dibutyl(octadecanoyloxy)stannyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCCCCCCCC YVHDRFKHKGNLNW-UHFFFAOYSA-L 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 229920006271 aliphatic hydrocarbon resin Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000427 antigen Substances 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ZQPHXFXBLCHXHD-UHFFFAOYSA-N bis(ethenyl)-diethylstannane Chemical compound CC[Sn](CC)(C=C)C=C ZQPHXFXBLCHXHD-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- VLLYOYVKQDKAHN-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene Chemical compound C=CC=C.CC(=C)C=C VLLYOYVKQDKAHN-UHFFFAOYSA-N 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
- YMLFYGFCXGNERH-UHFFFAOYSA-K butyltin trichloride Chemical compound CCCC[Sn](Cl)(Cl)Cl YMLFYGFCXGNERH-UHFFFAOYSA-K 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- RJGHQTVXGKYATR-UHFFFAOYSA-L dibutyl(dichloro)stannane Chemical compound CCCC[Sn](Cl)(Cl)CCCC RJGHQTVXGKYATR-UHFFFAOYSA-L 0.000 description 1
- DTYWIPLKZHQUMW-UHFFFAOYSA-N dibutyl(diphenyl)stannane Chemical compound C=1C=CC=CC=1[Sn](CCCC)(CCCC)C1=CC=CC=C1 DTYWIPLKZHQUMW-UHFFFAOYSA-N 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- LJSQFQKUNVCTIA-UHFFFAOYSA-N diethyl sulfide Chemical compound CCSCC LJSQFQKUNVCTIA-UHFFFAOYSA-N 0.000 description 1
- INCQQSKGFIBXAY-UHFFFAOYSA-N dimethyl(diphenyl)stannane Chemical compound C=1C=CC=CC=1[Sn](C)(C)C1=CC=CC=C1 INCQQSKGFIBXAY-UHFFFAOYSA-N 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- SBOSGIJGEHWBKV-UHFFFAOYSA-L dioctyltin(2+);dichloride Chemical compound CCCCCCCC[Sn](Cl)(Cl)CCCCCCCC SBOSGIJGEHWBKV-UHFFFAOYSA-L 0.000 description 1
- KUCPUSUXIGWHFB-UHFFFAOYSA-N diphenyltin Chemical compound C=1C=CC=CC=1[Sn]C1=CC=CC=C1 KUCPUSUXIGWHFB-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- UWEQNHRYSWRQOZ-UHFFFAOYSA-N ethoxy(triphenyl)stannane Chemical compound C=1C=CC=CC=1[Sn](C=1C=CC=CC=1)(OCC)C1=CC=CC=C1 UWEQNHRYSWRQOZ-UHFFFAOYSA-N 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- NJVOZLGKTAPUTQ-UHFFFAOYSA-M fentin chloride Chemical compound C=1C=CC=CC=1[Sn](C=1C=CC=CC=1)(Cl)C1=CC=CC=C1 NJVOZLGKTAPUTQ-UHFFFAOYSA-M 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- RLAWWYSOJDYHDC-BZSNNMDCSA-N lisinopril Chemical compound C([C@H](N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(O)=O)C(O)=O)CC1=CC=CC=C1 RLAWWYSOJDYHDC-BZSNNMDCSA-N 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- UIDWHMKSOZZDAV-UHFFFAOYSA-N lithium tin Chemical compound [Li].[Sn] UIDWHMKSOZZDAV-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 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
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- WBVCLUDHJDTUAU-UHFFFAOYSA-N tetrabenzylstannane Chemical compound C=1C=CC=CC=1C[Sn](CC=1C=CC=CC=1)(CC=1C=CC=CC=1)CC1=CC=CC=C1 WBVCLUDHJDTUAU-UHFFFAOYSA-N 0.000 description 1
- XJPKDRJZNZMJQM-UHFFFAOYSA-N tetrakis(prop-2-enyl)stannane Chemical compound C=CC[Sn](CC=C)(CC=C)CC=C XJPKDRJZNZMJQM-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
- PGOLTJPQCISRTO-UHFFFAOYSA-N vinyllithium Chemical compound [Li]C=C PGOLTJPQCISRTO-UHFFFAOYSA-N 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
NR:TSR20
IR:IR2200
BR1:ランクセス(株)製のCB25(ネオジム(Nd)系触媒を用いて合成したBR(Nd−BR)、シス含量:97質量%、ビニル含量:0.7質量%、Mw/Mn:1.78、Mw:50万、Mn:28万)
BR2:ランクセス(株)製のCB22(ネオジム(Nd)系触媒を用いて合成したBR(Nd−BR)、シス含量:97質量%、ビニル含量:0.6質量%、Mw/Mn:1.60、Mw:59万、Mn:37万)
BR3:宇部興産(株)製のBR150B(コバルト触媒を用いて合成したBR(ハイシスBR)、シス含量97質量%)
BR4:宇部興産(株)製のVCR617(1,2−シンジオタクチックポリブタジエン結晶を含むポリブタジエンゴム、1,2−シンジオタクチックポリブタジエン結晶(SPB)の含有率:12質量%、SPBの融点:200℃、沸騰n−ヘキサン不溶物の含有率:15〜18質量%)
BR5:日本ゼオン(株)製のBR1250(開始剤としてリチウムを用いて重合、ビニル結合量:10〜13質量%、Mw/Mn:1.5、スズ原子の含有率:250ppm、ポリスチレン換算分子量で105以下の成分の含有率:2〜3質量%)
SBR:JSR(株)製のHPR340(アミノアルコキシシランで末端が変性されたシリカ用変性SBR)
スルフィド化合物1:四国化成工業(株)製の2EBZ(2,2’−ビス(ベンズイミダゾリル−2)エチルジスルフィド、式(I)中のR1が水素原子、AがNH、nが2、xが2、N2SA:10.5m2/g、油展なし)
スルフィド化合物2:100質量部のスルフィド化合物1にオイルを30質量部添加した油展物(添加したオイル:(株)ジャパンエナジー製のプロセスオイルX−40)
カーボンブラック1:コロンビアケミカル社製のStatex N550(N2SA:40m2/g)
カーボンブラック2:コロンビアケミカル社製のStatex N660(N2SA:34m2/g)
カーボンブラック3:コロンビアケミカル社製のStatex N330(N2SA:78m2/g)
カーボンブラック4:コロンビアケミカル社製のStatex N762(N2SA:29m2/g)
カーボンブラック5:コロンビアケミカル社製のStatex N220(N2SA:119m2/g)
石油系C5レジン:丸善石油化学(株)製のマルカレッツT−100AS
TDAEオイル:H&R社製のVivaTec 400
ワックス:日本精蝋(株)製のオゾエース355
老化防止剤1:住友化学(株)製のアンチゲン6C(N−(1,3−ジメチルブチル)−N’−フェニル−p−フェニレンジアミン(6PPD))
老化防止剤2:大内新興化学工業(株)製ノクラック224(2,2,4−トリメチル−1,2−ジヒドロキノリン重合体(TMQ))
ステアリン酸:日油(株)製の椿
亜鉛華:東邦亜鉛(株)製の銀嶺R
硫黄:細井化学工業(株)製のHK−200−5(5%オイル含有粉末硫黄)
加硫促進剤:大内新興化学工業(株)製のノクセラ−NS(N−tert−ブチル−2−ベンゾチアゾリルスルフェンアミド(TBBS))
表1〜3に示す配合処方にしたがい、1.7Lの密閉型バンバリーミキサーを用いて、硫黄および加硫促進剤以外の薬品を排出温度150℃で4分間混練りし、混練り物を得た。次に、オープンロールを用いて、得られた混練り物に硫黄および加硫促進剤を添加し、排出温度105℃で2分間練り込み、未加硫ゴム組成物を得た。さらに、得られた未加硫ゴム組成物を170℃の条件下で12分間加硫し、加硫ゴム組成物を得た。
(株)岩本製作所製の粘弾性スペクトロメータVESを用いて、温度40℃、周波数10Hz、初期歪10%および動歪2%の条件下で、上記加硫ゴム組成物の損失正接tanδを測定した。結果は比較例1のtanδを100とし、下記計算式による指数で示す。低燃費性指数が大きいほど転がり抵抗特性(低燃費性)に優れることを示す。なお、110以上を性能目標値とする。
(低燃費性指数)=(比較例1のtanδ)/(各配合のtanδ)×100
加硫ゴム組成物からなる3号ダンベル型試験片を用いて、JIS K 6251「加硫ゴム及び熱可塑性ゴム−引張特性の求め方」に準じて、室温にて引張試験を実施し、破断時伸びEB(%)を測定した。結果は比較例1の破断時伸びを100とし、下記計算式による指数で示す。破断時伸び指数が大きいほどゴム強度に優れることを示す。なお、80以上を性能目標値とする。
(破断時伸び指数)=(各配合の破断時伸び)/(比較例1の破断時伸び)×100
各未加硫ゴム組成物について、JIS K 6300−1の「未加硫ゴム−物理特性−第1部:ムーニー粘度計による粘度及びスコーチタイムの求め方」に準じたムーニー粘度の測定方法に従い、130℃の温度条件にて、ムーニー粘度(ML1+4)を測定した。結果は比較例1のムーニー粘度を100とし、下記計算式による指数で示す。加工性指数が大きいほどムーニー粘度が低く、加工性に優れることを示す。なお、90以上を性能目標値とする。
(加工性指数)=(比較例1のML1+4)/(各配合のML1+4)×100
Claims (4)
- イソプレン系ゴムを40〜70質量%、ブタジエンゴムを30〜60質量%含有するゴム成分100質量部に対し、
窒素吸着比表面積が20〜40m2/gのカーボンブラックを15〜55質量部、
硫黄を1.0〜2.3質量部含有し、
カーボンブラック100質量部に対し、下記式(I)で示されるスルフィド化合物を0.05〜20質量部含有するゴム組成物により構成されたサイドウォール、ウイング、ベーストレッド、サイドウォールパッキンおよびタイガムからなる群から選ばれる少なくとも1種を備えたタイヤであって、
ブタジエンゴムがシンジオタクチックポリブタジエン結晶を含有するブタジエンゴム、希土類系ブタジエンゴムおよびスズ変性ブタジエンゴムからなる群から選ばれる少なくとも1種であるタイヤ。
- 前記スルフィド化合物のカーボンブラック100質量部に対する含有量が0.10〜10質量部である請求項1記載のタイヤ。
- 前記カーボンブラックのゴム成分100質量部に対する含有量が15〜40質量部である請求項1または2記載のタイヤ。
- 前記ブタジエンゴムがシンジオタクチックポリブタジエン結晶を含有するブタジエンゴムおよび希土類系ブタジエンゴムからなる群から選ばれる少なくとも1種である請求項1〜3のいずれか1項に記載のタイヤ。
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