JP5185528B2 - Rubber composition for coating steel cord, and tire having belt or breaker obtained by coating steel cord with the same - Google Patents
Rubber composition for coating steel cord, and tire having belt or breaker obtained by coating steel cord with the same Download PDFInfo
- Publication number
- JP5185528B2 JP5185528B2 JP2006344625A JP2006344625A JP5185528B2 JP 5185528 B2 JP5185528 B2 JP 5185528B2 JP 2006344625 A JP2006344625 A JP 2006344625A JP 2006344625 A JP2006344625 A JP 2006344625A JP 5185528 B2 JP5185528 B2 JP 5185528B2
- Authority
- JP
- Japan
- Prior art keywords
- steel cord
- rubber
- weight
- parts
- coating
- 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.)
- Active
Links
- 229920001971 elastomer Polymers 0.000 title claims description 59
- 239000005060 rubber Substances 0.000 title claims description 59
- 229910000831 Steel Inorganic materials 0.000 title claims description 54
- 239000010959 steel Substances 0.000 title claims description 54
- 239000000203 mixture Substances 0.000 title claims description 36
- 239000011248 coating agent Substances 0.000 title claims description 29
- 238000000576 coating method Methods 0.000 title claims description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 46
- 239000005011 phenolic resin Substances 0.000 claims description 29
- 239000000377 silicon dioxide Substances 0.000 claims description 23
- -1 thiosulfate compound Chemical class 0.000 claims description 21
- JQALNNOQTGZTJZ-UHFFFAOYSA-N [[4,6-bis[bis(methoxymethyl)amino]-1,3,5-triazin-2-yl]-(methoxymethyl)amino]methanol Chemical compound COCN(CO)C1=NC(N(COC)COC)=NC(N(COC)COC)=N1 JQALNNOQTGZTJZ-UHFFFAOYSA-N 0.000 claims description 18
- 150000002989 phenols Chemical class 0.000 claims description 14
- BJSBGAIKEORPFG-UHFFFAOYSA-N [[6-amino-1,2,3,4-tetramethoxy-4-(methoxyamino)-1,3,5-triazin-2-yl]-methoxyamino]methanol Chemical compound CONC1(N(C(N(C(=N1)N)OC)(N(CO)OC)OC)OC)OC BJSBGAIKEORPFG-UHFFFAOYSA-N 0.000 claims description 12
- 244000043261 Hevea brasiliensis Species 0.000 claims description 8
- 229920003049 isoprene rubber Polymers 0.000 claims description 8
- 229920003052 natural elastomer Polymers 0.000 claims description 8
- 229920001194 natural rubber Polymers 0.000 claims description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical group [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000005062 Polybutadiene Substances 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002857 polybutadiene Polymers 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- RTACIUYXLGWTAE-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene;styrene Chemical compound C=CC=C.CC(=C)C=C.C=CC1=CC=CC=C1 RTACIUYXLGWTAE-UHFFFAOYSA-N 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 230000007850 degeneration Effects 0.000 claims 1
- 229920001568 phenolic resin Polymers 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 26
- 239000011593 sulfur Substances 0.000 description 26
- 229910052717 sulfur Inorganic materials 0.000 description 26
- 239000000306 component Substances 0.000 description 17
- 238000013329 compounding Methods 0.000 description 15
- 239000006229 carbon black Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 229910017052 cobalt Inorganic materials 0.000 description 11
- 239000010941 cobalt Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 8
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 8
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 150000007524 organic acids Chemical class 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000004312 hexamethylene tetramine Substances 0.000 description 4
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 4
- 229960001755 resorcinol Drugs 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- 239000004636 vulcanized rubber Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 3
- MIIBUHIQXLFJFP-UHFFFAOYSA-N 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CC1=CC=CC(CN2C(C(C)=CC2=O)=O)=C1 MIIBUHIQXLFJFP-UHFFFAOYSA-N 0.000 description 3
- 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 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- AMFIJXSMYBKJQV-UHFFFAOYSA-L cobalt(2+);octadecanoate Chemical compound [Co+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AMFIJXSMYBKJQV-UHFFFAOYSA-L 0.000 description 3
- 229930003836 cresol Natural products 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- FOBUIZYJIZIDBY-UHFFFAOYSA-N 3-methyl-1-[[2-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CC1=CC=CC=C1CN1C(=O)C(C)=CC1=O FOBUIZYJIZIDBY-UHFFFAOYSA-N 0.000 description 2
- 244000226021 Anacardium occidentale Species 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- XMEKHKCRNHDFOW-UHFFFAOYSA-N O.O.[Na].[Na] Chemical compound O.O.[Na].[Na] XMEKHKCRNHDFOW-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 235000020226 cashew nut Nutrition 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- URMSIZAJUFVFFU-UHFFFAOYSA-N hydroxy-(6-hydroxysulfonothioyloxyhexoxy)-oxo-sulfanylidene-lambda6-sulfane Chemical compound OS(=O)(=S)OCCCCCCOS(O)(=O)=S URMSIZAJUFVFFU-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- HYFLWBNQFMXCPA-UHFFFAOYSA-N 1-ethyl-2-methylbenzene Chemical compound CCC1=CC=CC=C1C HYFLWBNQFMXCPA-UHFFFAOYSA-N 0.000 description 1
- DGPKJHGPIAETKL-UHFFFAOYSA-N 2,2-bis(sulfanylidene)-1,3,2-dioxathionane;sodium;dihydrate Chemical compound O.O.[Na].[Na].S=S1(=S)OCCCCCCO1 DGPKJHGPIAETKL-UHFFFAOYSA-N 0.000 description 1
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
- HMLWKJQWTFLGBG-UHFFFAOYSA-N 3-methyl-1-[2-(3-methyl-2,5-dioxopyrrol-1-yl)-2-phenylethyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CC(C=1C=CC=CC=1)N1C(=O)C(C)=CC1=O HMLWKJQWTFLGBG-UHFFFAOYSA-N 0.000 description 1
- IHVWVUYZDQTTBI-UHFFFAOYSA-N 3-methyl-1-[2-[2-[2-(3-methyl-2,5-dioxopyrrol-1-yl)ethyl]phenyl]ethyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CCC1=CC=CC=C1CCN1C(=O)C(C)=CC1=O IHVWVUYZDQTTBI-UHFFFAOYSA-N 0.000 description 1
- JOGSYZJZCCASMU-UHFFFAOYSA-N 3-methyl-1-[2-[3-methyl-2-[2-(3-methyl-2,5-dioxopyrrol-1-yl)ethyl]phenyl]ethyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CCC1=CC=CC(C)=C1CCN1C(=O)C(C)=CC1=O JOGSYZJZCCASMU-UHFFFAOYSA-N 0.000 description 1
- ZGFQPGIWGMKMOB-UHFFFAOYSA-N 3-methyl-1-[2-[3-methyl-4-[2-(3-methyl-2,5-dioxopyrrol-1-yl)ethyl]phenyl]ethyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CCC(C=C1C)=CC=C1CCN1C(=O)C(C)=CC1=O ZGFQPGIWGMKMOB-UHFFFAOYSA-N 0.000 description 1
- PHSVHXHRAZSIGH-UHFFFAOYSA-N 3-methyl-1-[2-[4-[2-(3-methyl-2,5-dioxopyrrol-1-yl)ethyl]phenyl]ethyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CCC(C=C1)=CC=C1CCN1C(=O)C(C)=CC1=O PHSVHXHRAZSIGH-UHFFFAOYSA-N 0.000 description 1
- OIYZFSAIULKUTG-UHFFFAOYSA-N 3-methyl-1-[2-[4-methyl-3-[2-(3-methyl-2,5-dioxopyrrol-1-yl)ethyl]phenyl]ethyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CCC1=CC=C(C)C(CCN2C(C(C)=CC2=O)=O)=C1 OIYZFSAIULKUTG-UHFFFAOYSA-N 0.000 description 1
- BQUBIXJPSXWDTJ-UHFFFAOYSA-N 3-methyl-1-[[2-methyl-3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CC1=CC=CC(CN2C(C(C)=CC2=O)=O)=C1C BQUBIXJPSXWDTJ-UHFFFAOYSA-N 0.000 description 1
- SAYKMUXLMJZMQK-UHFFFAOYSA-N 3-methyl-1-[[3-methyl-4-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CC(C=C1C)=CC=C1CN1C(=O)C(C)=CC1=O SAYKMUXLMJZMQK-UHFFFAOYSA-N 0.000 description 1
- JKESVDKRKITDTD-UHFFFAOYSA-N 3-methyl-1-[[4-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CC(C=C1)=CC=C1CN1C(=O)C(C)=CC1=O JKESVDKRKITDTD-UHFFFAOYSA-N 0.000 description 1
- QUBHJGGCYMYVOQ-UHFFFAOYSA-N 3-methyl-1-[[4-methyl-3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CC1=CC=C(C)C(CN2C(C(C)=CC2=O)=O)=C1 QUBHJGGCYMYVOQ-UHFFFAOYSA-N 0.000 description 1
- YPIFGDQKSSMYHQ-UHFFFAOYSA-M 7,7-dimethyloctanoate Chemical compound CC(C)(C)CCCCCC([O-])=O YPIFGDQKSSMYHQ-UHFFFAOYSA-M 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 235000019492 Cashew oil Nutrition 0.000 description 1
- 229940126062 Compound A Drugs 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- 239000006237 Intermediate SAF Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 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 1
- ONTAEZSXZGCILH-UHFFFAOYSA-N [(4,6-diamino-1,3,5-triazin-2-yl)-methoxyamino]methanol Chemical compound CON(CO)C1=NC(N)=NC(N)=N1 ONTAEZSXZGCILH-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229940059459 cashew oil Drugs 0.000 description 1
- 239000010467 cashew oil Substances 0.000 description 1
- KDMCQAXHWIEEDE-UHFFFAOYSA-L cobalt(2+);7,7-dimethyloctanoate Chemical compound [Co+2].CC(C)(C)CCCCCC([O-])=O.CC(C)(C)CCCCCC([O-])=O KDMCQAXHWIEEDE-UHFFFAOYSA-L 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- YGGXZTQSGNFKPJ-UHFFFAOYSA-N methyl 2-naphthalen-1-ylacetate Chemical compound C1=CC=C2C(CC(=O)OC)=CC=CC2=C1 YGGXZTQSGNFKPJ-UHFFFAOYSA-N 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- WZWGGYFEOBVNLA-UHFFFAOYSA-N sodium;dihydrate Chemical compound O.O.[Na] WZWGGYFEOBVNLA-UHFFFAOYSA-N 0.000 description 1
- NASFKTWZWDYFER-UHFFFAOYSA-N sodium;hydrate Chemical compound O.[Na] NASFKTWZWDYFER-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 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 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2061—Physical properties or dimensions of the belt coating rubber
- B60C2009/2064—Modulus; Hardness; Loss modulus or "tangens delta"
Landscapes
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
本発明は、スチールコード被覆用ゴム組成物、ならびにそれでスチールコードを被覆して得られるベルトまたはブレーカーを有するタイヤに関する。 The present invention relates to a rubber composition for coating a steel cord, and a tire having a belt or breaker obtained by coating a steel cord with the rubber composition.
タイヤのベルトまたはブレーカーに使用されるゴム組成物には、スチールコードなどのコードとの接着性や複素弾性率（Ｅ＊）の改善が求められている。 Rubber compositions used for tire belts or breakers are required to have improved adhesion to cords such as steel cords and complex elastic modulus (E *).
これらの要求を満たす手法として、レゾルシン縮合物、変性レゾルシン縮合物、クレゾール樹脂などを配合する手法が知られている。たとえば、レゾルシン縮合物を配合した場合、スチールコード周辺のゴム被覆層を硬化させ、スチールコードの真鍮メッキ層の銅がゴム中へ拡散するのを抑制できる。しかし、これらを配合した場合、破断時伸び（ＥＢ）が著しく低下し、ドラム耐久性が悪化する。 As a method for satisfying these requirements, a method of blending a resorcin condensate, a modified resorcin condensate, a cresol resin or the like is known. For example, when a resorcin condensate is blended, the rubber coating layer around the steel cord can be cured, and copper in the brass plating layer of the steel cord can be prevented from diffusing into the rubber. However, when these are blended, the elongation at break (EB) is remarkably lowered, and the drum durability is deteriorated.
また、コードとの接着性を向上させる手法としては、ヘキサメチレンビスチオサルフェート２ナトリウム塩２水和物を配合する手法（たとえば、特許文献１参照）も知られている。しかし、この手法の場合、Ｅ＊向上の効果が少ないため、改善の余地がある。 Further, as a technique for improving the adhesiveness with the cord, a technique of blending hexamethylene bisthiosulfate disodium salt dihydrate (for example, see Patent Document 1) is also known. However, this method has room for improvement because the effect of improving E * is small.
一方、Ｅ＊およびＥＢを向上させる手法としては、フェノール樹脂を使用する手法が知られている。しかし、フェノール樹脂にはスチールコード周辺のゴム被覆層を硬化させる硬化はなく、接着性の点で改善の余地がある。 On the other hand, as a technique for improving E * and EB, a technique using a phenol resin is known. However, the phenol resin does not cure to cure the rubber coating layer around the steel cord, and there is room for improvement in terms of adhesion.
本発明は、操縦安定性、低燃費性および耐久性をバランスよく向上させ、被覆するスチールコードの腐食を抑制することができるスチールコード被覆用ゴム組成物、ならびにそれでスチールコードを被覆して得られるベルトまたはブレーカーを有するタイヤを提供することを目的とする。 The present invention provides a rubber composition for coating a steel cord capable of improving steering stability, fuel economy and durability in a well-balanced manner and suppressing corrosion of the steel cord to be coated, and obtained by coating the steel cord with the rubber composition. It is an object to provide a tire having a belt or breaker.
本発明は、ゴム成分１００重量部に対して、シリカを４〜１５重量部、フェノール樹脂および／または変性フェノール樹脂を４〜１５重量部、ヘキサメチロールメラミンペンタメチルエーテルの部分縮合物および／またはヘキサメトキシメチロールメラミンの部分縮合物を０．５〜１０重量部、ならびに有機チオサルフェート化合物および／またはシトラコンイミド化合物を０．１〜１．０重量部含有するスチールコード被覆用ゴム組成物に関する。 In the present invention, 4 to 15 parts by weight of silica, 4 to 15 parts by weight of phenol resin and / or modified phenol resin, and a partial condensate of hexamethylol melamine pentamethyl ether and / or hexa per 100 parts by weight of the rubber component. The present invention relates to a rubber composition for coating a steel cord containing 0.5 to 10 parts by weight of a partial condensate of methoxymethylolmelamine and 0.1 to 1.0 parts by weight of an organic thiosulfate compound and / or a citraconimide compound.
また、本発明は、前記スチールコード被覆用ゴム組成物を用いたスチールプライを有するタイヤに関する。 The present invention also relates to a tire having a steel ply using the steel cord covering rubber composition.
さらに、本発明は、スチールコードを前記スチールコード被覆用ゴム組成物で被覆して得られるベルトまたはブレーカーを有するタイヤに関する。 Furthermore, the present invention relates to a tire having a belt or a breaker obtained by coating a steel cord with the rubber composition for coating a steel cord.
本発明によれば、ゴム成分、シリカ、フェノール樹脂および／または変性フェノール樹脂、ヘキサメチロールメラミンペンタメチルエーテルの部分縮合物および／またはヘキサメトキシメチロールメラミンの部分縮合物、ならびに有機チオサルフェート化合物を所定量含有することで、操縦安定性、低燃費性および耐久性をバランスよく向上させ、被覆するスチールコードの腐食を抑制することができるスチールコード被覆用ゴム組成物、ならびにそれでスチールコードを被覆して得られるベルトまたはブレーカーを有するタイヤを提供することができる。 According to the present invention, a predetermined amount of a rubber component, silica, phenol resin and / or modified phenol resin, a partial condensate of hexamethylol melamine pentamethyl ether and / or a partial condensate of hexamethoxymethylol melamine, and an organic thiosulfate compound A rubber composition for steel cord coating that can improve handling stability, fuel efficiency and durability in a well-balanced manner and suppress corrosion of the steel cord to be coated, and obtained by coating the steel cord with it. A tire having a belt or breaker that can be provided can be provided.
本発明のスチールコード被覆用ゴム組成物は、ゴム成分、シリカ、フェノール樹脂および／または変性フェノール樹脂、ヘキサメチロールメラミンペンタメチルエーテルの部分縮合物および／またはヘキサメトキシメチロールメラミンの部分縮合物、ならびに有機チオサルフェート化合物および／またはシトラコンイミド化合物を含有する。 The rubber composition for coating a steel cord of the present invention comprises a rubber component, silica, a phenol resin and / or a modified phenol resin, a partial condensate of hexamethylol melamine pentamethyl ether and / or a partial condensate of hexamethoxymethylol melamine, and an organic Contains a thiosulfate compound and / or a citraconimide compound.
ゴム成分としては、とくに制限はなく、たとえば、天然ゴム（ＮＲ）、イソプレンゴム（ＩＲ）、スチレンブタジエンゴム（ＳＢＲ）、ブタジエンゴム（ＢＲ）、アクリロニトリルブタジエンゴム（ＮＢＲ）、クロロプレンゴム（ＣＲ）、エチレンプロピレンジエンゴム（ＥＰＤＭ）、スチレンブタジエンイソプレンゴム（ＳＢＩＲ）などがあげられ、単独で用いてもよく、２種以上を組み合わせて用いてもよい。なかでも、接着性に優れるという理由から、ＮＲおよび／またはＩＲが好ましい。なお、ＮＲおよび／またはＩＲのみからなるゴム成分を使用することがより好ましい。 The rubber component is not particularly limited. For example, natural rubber (NR), isoprene rubber (IR), styrene butadiene rubber (SBR), butadiene rubber (BR), acrylonitrile butadiene rubber (NBR), chloroprene rubber (CR), Examples thereof include ethylene propylene diene rubber (EPDM) and styrene butadiene isoprene rubber (SBIR), which may be used alone or in combination of two or more. Among these, NR and / or IR are preferable because of excellent adhesiveness. It is more preferable to use a rubber component consisting only of NR and / or IR.
ＮＲとしては、とくに制限はなく、従来からゴム工業で使用されるＲＳＳ♯３、ＴＳＲ２０などを使用することができる。また、ＩＲとしても、とくに制限はなく、従来からゴム工業で使用されるものを使用することができる。 The NR is not particularly limited, and RSS # 3, TSR20 and the like conventionally used in the rubber industry can be used. Further, IR is not particularly limited, and those conventionally used in the rubber industry can be used.
シリカとしては、乾式法で調製されたものと、湿式法で調製されたものがあげられるが、とくに制限はないが、含有する水分が接着性を向上させるため、湿式法で調整されたものが好ましい。 Silica includes those prepared by a dry method and those prepared by a wet method, but there is no particular limitation, but since the contained water improves adhesion, a silica prepared by a wet method is used. preferable.
シリカのＢＥＴ比表面積（ＢＥＴ）は８０ｍ2／ｇ以上が好ましく、１００ｍ2／ｇ以上がより好ましい。シリカのＢＥＴが８０ｍ2／ｇ未満では、Ｅ＊が小さい傾向がある。また、シリカのＢＥＴは２２０ｍ2／ｇ以下が好ましく、２００ｍ2／ｇ以下がより好ましい。シリカのＢＥＴが２２０ｍ2／ｇをこえると、分散性および加工性が悪化する傾向がある。 The BET specific surface area (BET) of silica is preferably 80 m 2 / g or more, and more preferably 100 m 2 / g or more. When the BET of silica is less than 80 m 2 / g, E * tends to be small. The BET of silica is preferably 220 m 2 / g or less, and more preferably 200 m 2 / g or less. When the BET of silica exceeds 220 m 2 / g, dispersibility and processability tend to deteriorate.
シリカの配合量は、ゴム成分１００重量部に対して４重量部以上、好ましくは７重量部以上である。シリカの配合量が４重量部未満では、スチールコードとの接着性が不充分となり、さらに、破断時伸びが低下するため耐久性に劣る。また、シリカの配合量は１５重量部以下、好ましくは１２重量部以下、より好ましくは１０重量部以下である。シリカの配合量が１５重量部をこえると、シリカの分散性が悪化する傾向がある。 The compounding amount of silica is 4 parts by weight or more, preferably 7 parts by weight or more with respect to 100 parts by weight of the rubber component. When the blending amount of silica is less than 4 parts by weight, the adhesion with the steel cord becomes insufficient, and further, the elongation at break is lowered, so that the durability is inferior. Moreover, the compounding quantity of a silica is 15 weight part or less, Preferably it is 12 weight part or less, More preferably, it is 10 weight part or less. When the amount of silica exceeds 15 parts by weight, the dispersibility of silica tends to deteriorate.
フェノール樹脂は、とくに限定されるわけではないが、たとえば、フェノールと、ホルムアルデヒド、アセトアルデヒド、フルフラールなどのアルデヒド類を酸あるいはアルカリ触媒で反応させることにより得られるものなどがあげられる。なお、レゾルシン樹脂やクレゾール樹脂などは、モノマーとなるレゾルシンやクレゾールが、ベンゼン環に置換基を２つ有しており、立体障害のために末端での反応がメインとなり、直鎖状となりやすいため、充分な硬度が得られない。一方、フェノール樹脂では、モノマーとなるフェノールが、ベンゼン環に置換基を１つしか有しておらず、立体障害が少ないために３次元的に反応が進み、大きな塊をつくりやすいため、充分な硬度が得られる。 The phenol resin is not particularly limited, and examples thereof include those obtained by reacting phenol with aldehydes such as formaldehyde, acetaldehyde, and furfural with an acid or alkali catalyst. Resorcinol resin and cresol resin, such as resorcinol and cresol, which are monomers, have two substituents on the benzene ring, and the reaction at the end is mainly due to steric hindrance, and it tends to be linear. , Sufficient hardness cannot be obtained. On the other hand, in the phenol resin, the phenol used as a monomer has only one substituent on the benzene ring, and since there is little steric hindrance, the reaction proceeds three-dimensionally and a large lump is easily formed. Hardness is obtained.
変性フェノール樹脂としては、とくに限定されるわけではないが、たとえば、カシューオイル、トールオイル、アマニ油、各種動植物油、不飽和脂肪酸、ロジン、アルキルベンゼン樹脂、アニリン、メラミンなどを使用して変性したフェノール樹脂などがあげられる。 The modified phenolic resin is not particularly limited. For example, phenol modified with cashew oil, tall oil, linseed oil, various animal and vegetable oils, unsaturated fatty acid, rosin, alkylbenzene resin, aniline, melamine, etc. Examples thereof include resins.
フェノール樹脂および／または変性フェノール樹脂としては、複素弾性率（Ｅ＊）を向上させられるという理由から、変性フェノール樹脂が好ましく、カシューオイル変性フェノール樹脂がより好ましい。 As the phenol resin and / or the modified phenol resin, a modified phenol resin is preferable and a cashew oil-modified phenol resin is more preferable because the complex elastic modulus (E *) can be improved.
フェノール樹脂および／または変性フェノール樹脂の配合量は、ゴム成分１００重量部に対して４重量部以上、好ましくは５重量部以上である。フェノール樹脂および／または変性フェノール樹脂の配合量が４重量部未満では、Ｅ＊が低下してしまうため、操縦安定性が悪化する。また、フェノール樹脂および／または変性フェノール樹脂の配合量は１５重量部以下、好ましくは１２重量部以下である。フェノール樹脂および／または変性フェノール樹脂の配合量が１５重量部をこえると、Ｅ＊が過度に上昇してしまい、破断時伸びが低下してしまうため、耐久性が悪化する。 The compounding amount of the phenol resin and / or the modified phenol resin is 4 parts by weight or more, preferably 5 parts by weight or more with respect to 100 parts by weight of the rubber component. When the blending amount of the phenol resin and / or the modified phenol resin is less than 4 parts by weight, the E * is lowered, and the steering stability is deteriorated. Moreover, the compounding quantity of a phenol resin and / or a modified phenol resin is 15 weight part or less, Preferably it is 12 weight part or less. When the blending amount of the phenol resin and / or the modified phenol resin exceeds 15 parts by weight, the E * is excessively increased and the elongation at break is lowered, so that the durability is deteriorated.
ヘキサメチロールメラミンペンタメチルエーテル（ＨＭＭＰＭＥ）の部分縮合物とは、以下の化学式（１）で表されるものをいう。 The partial condensate of hexamethylol melamine pentamethyl ether (HMMPME) refers to one represented by the following chemical formula (1).
なお、通常、式中のｎは１〜３の整数である。 In general, n in the formula is an integer of 1 to 3.
また、ヘキサメトキシメチロールメラミン（ＨＭＭＭ）の部分縮合物とは、以下の化学式（２）で表されるものをいう。 Moreover, the partial condensate of hexamethoxymethylol melamine (HMMM) means what is represented by the following chemical formula (2).
なお、通常、式中のｎは１〜３の整数である。 In general, n in the formula is an integer of 1 to 3.
ＨＭＭＰＭＥの部分縮合物とＨＭＭＭの部分縮合物には機能の相違はないが、ＨＭＭＭＥの部分縮合物のほうが、原料メーカーでの収率が高く、生産性が高い。 There is no functional difference between the partial condensate of HMMPME and the partial condensate of HMMM, but the partial condensate of HMMPME has a higher yield at the raw material manufacturer and higher productivity.
ＨＭＭＰＭＥの部分縮合物および／またはＨＭＭＭの部分縮合物の配合量は、ゴム成分１００重量部に対して０．５重量部以上、好ましくは０．７重量部以上である。ＨＭＭＰＭＥの部分縮合物および／またはＨＭＭＭの部分縮合物の配合量が０．５重量部未満では、Ｅ＊が低下してしまうため、操縦安定性が悪化する。また、ＨＭＭＰＭＥの部分縮合物および／またはＨＭＭＭの部分縮合物の配合量は１０重量部以下、好ましくは７重量部以下、より好ましくは５重量部以下である。ＨＭＭＰＭＥの部分縮合物および／またはＨＭＭＭの部分縮合物の配合量が１０重量部をこえると、発熱性が高くなる。 The amount of the partial condensate of HMMPME and / or the partial condensate of HMMM is 0.5 parts by weight or more, preferably 0.7 parts by weight or more with respect to 100 parts by weight of the rubber component. When the blending amount of the partial condensate of HMMPME and / or the partial condensate of HMMM is less than 0.5 parts by weight, the E * is lowered, so that the steering stability is deteriorated. The amount of the partial condensate of HMMPME and / or the partial condensate of HMMM is 10 parts by weight or less, preferably 7 parts by weight or less, more preferably 5 parts by weight or less. When the blending amount of the partial condensate of HMMPME and / or the partial condensate of HMMM exceeds 10 parts by weight, the exothermic property becomes high.
有機チオサルフェート化合物とは、以下の化学式（３）で表されるものである。
Ｍ1Ｏ3Ｓ−Ｓ−（ＣＨ2）m−Ｓ−ＳＯ3Ｍ2 （３）
（式中、ｍは３〜１０であり、Ｍ1およびＭ2はリチウム、カリウム、ナトリウム、マグネシウム、カルシウム、バリウム、亜鉛、ニッケルまたはコバルトであり、Ｍ1とＭ2は同一でも異なっていてもよい。また、結晶水を含有していてもよい。）
The organic thiosulfate compound is represented by the following chemical formula (3).
M 1 O 3 S—S— (CH 2 ) m —S—SO 3 M 2 (3)
(Wherein m is 3 to 10, M 1 and M 2 are lithium, potassium, sodium, magnesium, calcium, barium, zinc, nickel or cobalt, and M 1 and M 2 may be the same or different. It may also contain water of crystallization.)
ｍは３〜１０が好ましく、３〜６がより好ましい。ｍが２以下では、ゴム間に挿入した場合、柔軟性が不足し、破断特性が悪化する傾向があり、ｍが１１以上では、ゴム間に挿入した場合、結合間隔が大きく、熱安定性に劣る傾向がある。 m is preferably from 3 to 10, and more preferably from 3 to 6. When m is 2 or less, when inserted between rubbers, flexibility tends to be insufficient, and the breaking property tends to deteriorate. When m is 11 or more, when inserted between rubbers, the bonding interval is large, and thermal stability is improved. There is a tendency to be inferior.
Ｍ1およびＭ2はリチウム、カリウム、ナトリウム、マグネシウム、カルシウム、バリウム、亜鉛、ニッケルまたはコバルトが好ましく、カリウムまたはナトリウムがより好ましい。なお、Ｍ1とＭ2は同一でも異なっていてもよい。 M 1 and M 2 are preferably lithium, potassium, sodium, magnesium, calcium, barium, zinc, nickel or cobalt, more preferably potassium or sodium. M 1 and M 2 may be the same or different.
また、分子内に結晶水を含んでいてもよい。 Moreover, crystal water may be included in the molecule.
具体的には、ナトリウム塩１水和物、ナトリウム塩２水和物などがあげられ、経済的理由から、チオ硫酸ナトリウムからの誘導体、たとえば、ヘキサメチレンビスチオサルフェート２ナトリウム塩・２水和物（ＨＴＳ）が好ましい。 Specific examples include sodium salt monohydrate and sodium salt dihydrate. For economic reasons, derivatives from sodium thiosulfate such as hexamethylenebisthiosulfate disodium salt dihydrate. (HTS) is preferred.
ＨＴＳとは、以下の化学式（４）で表されるものである。 HTS is represented by the following chemical formula (4).
シトラコンイミド化合物としては、熱的に安定であり、ゴム中への分散性に優れるという理由から、ビスシトラコンイミド類が好ましい。具体的には、１，２−ビスシトラコンイミドメチルベンゼン、１，３−ビスシトラコンイミドメチルベンゼン、１，４−ビスシトラコンイミドメチルベンゼン、１，６−ビスシトラコンイミドメチルベンゼン、２，３−ビスシトラコンイミドメチルトルエン、２，４−ビスシトラコンイミドメチルトルエン、２，５−ビスシトラコンイミドメチルトルエン、２，６−ビスシトラコンイミドメチルトルエン、１，２−ビスシトラコンイミドエチルベンゼン、１，３−ビスシトラコンイミドエチルベンゼン、１，４−ビスシトラコンイミドエチルベンゼン、１，６−ビスシトラコンイミドエチルベンゼン、２，３−ビスシトラコンイミドエチルトルエン、２，４−ビスシトラコンイミドエチルトルエン、２，５−ビスシトラコンイミドエチルトルエン、２，６−ビスシトラコンイミドエチルトルエンなどがあげられる。なかでも、熱的に安定であり、ゴム中への分散性に優れるという理由から、１，３−ビスシトラコンイミドメチルベンゼンが好ましい。 As the citraconimide compound, biscitraconimides are preferable because they are thermally stable and have excellent dispersibility in rubber. Specifically, 1,2-biscitraconimidomethylbenzene, 1,3-biscitraconimidomethylbenzene, 1,4-biscitraconimidomethylbenzene, 1,6-biscitraconimidomethylbenzene, 2,3-bis Citraconimidomethyltoluene, 2,4-biscitraconimidomethyltoluene, 2,5-biscitraconimidomethyltoluene, 2,6-biscitraconimidomethyltoluene, 1,2-biscitraconimidoethylbenzene, 1,3-biscitracon Imidoethylbenzene, 1,4-biscitraconimidoethylbenzene, 1,6-biscitraconimidoethylbenzene, 2,3-biscitraconimidoethyltoluene, 2,4-biscitraconimidoethyltoluene, 2,5-biscitraconimidoethyltoluene Emissions, such as 2,6-biscitraconimide ethyltoluene and the like. Among these, 1,3-biscitraconimidomethylbenzene is preferable because it is thermally stable and has excellent dispersibility in rubber.
１，３−ビスシトラコンイミドメチルベンゼンとは、下記化学式で表されるものである。 1,3-biscitraconimidomethylbenzene is represented by the following chemical formula.
とくに、ＨＴＳを使用した場合、スチールコードとイオウとが接着反応により結合を作る際に、その含水成分を供出して適度なＨ2Ｏを供給し、接着反応を促進するため、スチールコードとの接着性が向上する。 In particular, when HTS is used, when steel cord and sulfur are bonded by an adhesion reaction, the water component is supplied to supply appropriate H 2 O to promote the adhesion reaction. Adhesion is improved.
有機チオサルフェート化合物および／またはシトラコンイミド化合物の配合量は、ゴム成分１００重量部に対して０．１重量部以上、好ましくは０．２重量部以上、より好ましくは０．３重量部以上である。有機チオサルフェート化合物および／またはシトラコンイミド化合物の配合量が０．１重量部未満では、スチールコードの接着性が充分に得られない。また、有機チオサルフェート化合物および／またはシトラコンイミド化合物の配合量は１．０重量部以下、好ましくは０．８重量部以下、より好ましくは０．７重量部以下である。有機チオサルフェート化合物および／またはシトラコンイミド化合物の配合量が１．０重量部をこえると、ゴム硬度が増大するため伸びが低下して耐久性が低下し、さらに熱酸化劣化による引張特性が低下する。 The compounding amount of the organic thiosulfate compound and / or citraconimide compound is 0.1 parts by weight or more, preferably 0.2 parts by weight or more, more preferably 0.3 parts by weight or more with respect to 100 parts by weight of the rubber component. . When the blending amount of the organic thiosulfate compound and / or citraconimide compound is less than 0.1 parts by weight, sufficient adhesion of the steel cord cannot be obtained. Moreover, the compounding quantity of an organic thiosulfate compound and / or a citraconimide compound is 1.0 weight part or less, Preferably it is 0.8 weight part or less, More preferably, it is 0.7 weight part or less. When the compounding amount of the organic thiosulfate compound and / or citraconimide compound exceeds 1.0 part by weight, the rubber hardness increases, so the elongation decreases and the durability decreases, and the tensile properties due to thermal oxidative deterioration also decrease. .
本発明では、Ｅ＊を向上させるためにフェノール樹脂および／または変性フェノール樹脂、ＨＭＭＰＭＥの部分縮合物を配合するが、この場合、スチールコードとの接着性および破断時伸び（ＥＢ）が悪化する。そのため、シリカと有機チオサルフェート化合物を配合することによりスチールコードとの接着性およびＥＢを向上させ、操縦安定性、低燃費性および耐久性をバランスよく向上させ、被覆するスチールコードの腐食を抑制することができる。 In the present invention, in order to improve E *, a phenol resin and / or a modified phenol resin and a partial condensate of HMMPME are blended. In this case, adhesion to a steel cord and elongation at break (EB) deteriorate. Therefore, by adding silica and an organic thiosulfate compound, the adhesion and EB with the steel cord are improved, the steering stability, fuel efficiency and durability are improved in a well-balanced manner, and the corrosion of the steel cord to be coated is suppressed. be able to.
本発明のスチールコード被覆用ゴム組成物は、他にも、カーボンブラックを含有することができる。 In addition, the rubber composition for coating a steel cord of the present invention can contain carbon black.
カーボンブラックとしては、とくに制限はなく、従来からゴム工業で使用されるＳＡＦ、ＩＳＡＦ、ＨＡＦ、ＦＥＦなどのグレードを使用することができる。 Carbon black is not particularly limited, and grades such as SAF, ISAF, HAF, FEF and the like conventionally used in the rubber industry can be used.
カーボンブラックの配合量は、ゴム成分１００重量部に対して３０重量部以上が好ましく、３５重量部以上がより好ましい。カーボンブラックの配合量が３０重量部未満では、Ｅ＊が小さい傾向がある。また、カーボンブラックの配合量は７０重量部以下が好ましく、６０重量部以下がより好ましい。カーボンブラックの配合量が７０重量部をこえると、発熱性が高い傾向がある。 The compounding amount of carbon black is preferably 30 parts by weight or more and more preferably 35 parts by weight or more with respect to 100 parts by weight of the rubber component. When the blending amount of carbon black is less than 30 parts by weight, E * tends to be small. The amount of carbon black is preferably 70 parts by weight or less, and more preferably 60 parts by weight or less. When the blending amount of the carbon black exceeds 70 parts by weight, the heat generation tends to be high.
シリカおよびカーボンブラックの合計配合量は、ゴム成分１００重量部に対して３５重量部以上が好ましく、４０重量部以上がより好ましく、４５重量部以上がさらに好ましい。シリカおよびカーボンブラックの合計配合量が３５重量部未満では、Ｅ＊が小さい傾向がある。また、シリカおよびカーボンブラックの合計配合量は７５重量部以下が好ましく、６５重量部以下がより好ましい。シリカおよびカーボンブラックの合計配合量が７５重量部をこえると、発熱性が高い傾向がある。 The total amount of silica and carbon black is preferably 35 parts by weight or more, more preferably 40 parts by weight or more, and still more preferably 45 parts by weight or more with respect to 100 parts by weight of the rubber component. When the total amount of silica and carbon black is less than 35 parts by weight, E * tends to be small. The total amount of silica and carbon black is preferably 75 parts by weight or less, and more preferably 65 parts by weight or less. When the total amount of silica and carbon black exceeds 75 parts by weight, the heat build-up tends to be high.
本発明のスチールコード被覆用ゴム組成物には、さらに、有機酸コバルトを含有することが好ましい。有機酸コバルトはスチールコードとゴムとを架橋する役目を果たすため、スチールコードとの接着性を向上させることができる。 The rubber composition for coating a steel cord of the present invention preferably further contains cobalt organic acid. Since the organic acid cobalt serves to crosslink the steel cord and the rubber, the adhesion with the steel cord can be improved.
有機酸コバルトとしては、たとえば、ステアリン酸コバルト、ナフテン酸コバルト、ネオデカン酸コバルト、ホウ素３ネオデカン酸コバルトなどがあげられる。なかでも、接着性を向上させるだけでなく、常温において固体で、空気下で安定性が優れており、さらに、加工性を向上させることができるという理由から、ステアリン酸コバルトが好ましい。 Examples of the organic acid cobalt include cobalt stearate, cobalt naphthenate, cobalt neodecanoate, and boron 3 neodecanoate cobalt. Among these, cobalt stearate is preferable because it not only improves adhesiveness but also is solid at normal temperature, has excellent stability under air, and can improve workability.
有機酸コバルトの配合量は、ゴム成分１００重量部に対して、コバルト金属に換算して０．０５重量部以上が好ましく、０．１重量部以上がより好ましい。有機酸コバルトの配合量が０．０５重量部未満では、スチールコードとゴムとの接着性が充分ではない傾向がある。また、有機酸コバルトの配合量は０．８重量部以下が好ましく、０．２重量部以下がより好ましい。該含有量が０．８重量部をこえると、ゴムの酸化劣化が顕著になり、破断特性が悪化する。 The compounding amount of the organic acid cobalt is preferably 0.05 parts by weight or more and more preferably 0.1 parts by weight or more in terms of cobalt metal with respect to 100 parts by weight of the rubber component. If the amount of the organic acid cobalt is less than 0.05 parts by weight, the adhesion between the steel cord and the rubber tends to be insufficient. Moreover, the compounding amount of the organic acid cobalt is preferably 0.8 parts by weight or less, and more preferably 0.2 parts by weight or less. When the content exceeds 0.8 parts by weight, the oxidative deterioration of the rubber becomes remarkable, and the breaking property is deteriorated.
本発明のスチールコード被覆用ゴム組成物には、さらに、硫黄を含有することが好ましい。 The rubber composition for coating a steel cord of the present invention preferably further contains sulfur.
硫黄としては、従来からゴム工業で使用される硫黄を用いることができるが、とくに不溶性硫黄を用いることが好ましい。ここで不溶性硫黄とは、天然硫黄Ｓ8を加熱、急冷し、Ｓx（ｘ＝１０万〜３０万）となるように高分子量化した硫黄のことをいう。不溶性硫黄を用いることで、硫黄を加硫剤として用いた場合に生じるブルーミングを防止することができる。 As sulfur, sulfur conventionally used in the rubber industry can be used, but insoluble sulfur is particularly preferably used. Here, the insoluble sulfur refers to sulfur obtained by heating and quenching natural sulfur S 8 to increase the molecular weight so that S x (x = 100,000 to 300,000) is obtained. By using insoluble sulfur, blooming that occurs when sulfur is used as a vulcanizing agent can be prevented.
硫黄の配合量は、ゴム成分１００重量部に対して３重量部以上が好ましく、４重量部以上がより好ましい。硫黄の配合量が３重量部未満では、スチールコードと接着する際に充分な硫黄が供給されず、スチールコードとの接着性に劣る傾向がある。また、硫黄の配合量は６．５重量部以下が好ましく、６重量部以下がより好ましい。硫黄の配合量が６．５重量部をこえると、硫黄架橋の密度が大きくなり、破断抗力および破断時伸びなどのゴム特性が充分に得られない傾向がある。なお、硫黄として不溶性硫黄を使用する場合、硫黄の配合量は、オイル分を除いた純硫黄分の配合量を示す。 3 parts by weight or more is preferable with respect to 100 parts by weight of the rubber component, and the amount of sulfur is more preferably 4 parts by weight or more. When the amount of sulfur is less than 3 parts by weight, sufficient sulfur is not supplied when adhering to the steel cord, and the adhesion to the steel cord tends to be poor. The amount of sulfur is preferably 6.5 parts by weight or less, and more preferably 6 parts by weight or less. When the amount of sulfur exceeds 6.5 parts by weight, the density of sulfur crosslinks increases, and rubber properties such as breaking resistance and elongation at break tend to be insufficient. In addition, when insoluble sulfur is used as sulfur, the compounding amount of sulfur indicates the compounding amount of pure sulfur component excluding the oil component.
本発明のスチールコード被覆用ゴム組成物には、前記ゴム成分、シリカ、フェノール樹脂および／または変性フェノール樹脂、ＨＭＭＰＭＥの部分縮合物および／またはＨＭＭＭの部分縮合物、有機チオサルフェート化合物、カーボンブラック、有機酸コバルトならびに硫黄以外にも、従来からゴム工業で使用される配合剤、たとえば、酸化亜鉛、老化防止剤、アロマオイル、加硫促進剤などを必要に応じて適宜配合することができる。 The rubber composition for coating a steel cord of the present invention includes the rubber component, silica, phenol resin and / or modified phenol resin, partial condensate of HMMPME and / or partial condensate of HMMM, organic thiosulfate compound, carbon black, In addition to the organic acid cobalt and sulfur, compounding agents conventionally used in the rubber industry, such as zinc oxide, anti-aging agent, aroma oil, vulcanization accelerator, and the like can be appropriately blended as necessary.
本発明のスチールコード被覆用ゴム組成物は、一般的な方法で製造される。すなわち、バンバリーミキサーやニーダー、オープンロールなどで前記配合剤を混練りしたのち、加硫することにより、本発明のスチールコード被覆用ゴム組成物を製造することができる。 The rubber composition for coating a steel cord of the present invention is produced by a general method. That is, the rubber composition for coating a steel cord of the present invention can be produced by kneading the compounding agent with a Banbury mixer, a kneader, an open roll or the like and then vulcanizing the mixture.
本発明のスチールコード被覆用ゴム組成物は、Ｅ＊が大きく、スチールコードの真鍮メッキ層との接着性が向上するという理由から、タイヤ部材の中でもスチールプライ、ベルトまたはブレーカーとして用いられるものである。 The rubber composition for coating a steel cord of the present invention is used as a steel ply, a belt or a breaker among tire members because E * is large and the adhesion of the steel cord to the brass plating layer is improved. .
本発明のタイヤは、本発明のスチールコード被覆用ゴム組成物を用いて、通常の方法で製造することができる。すなわち、必要に応じて前記配合剤を配合した未加硫の状態の本発明のスチールコード被覆用ゴム組成物でスチールコードを被覆してベルトまたはブレーカーの形状にあわせて押出し加工し、タイヤ成型機上にて他のタイヤ部材とともに貼り合わせて未加硫タイヤを形成する。この未加硫タイヤを加硫機中で加熱加圧することにより、本発明のタイヤを製造することができる。 The tire of the present invention can be produced by a usual method using the rubber composition for coating a steel cord of the present invention. That is, if necessary, a steel cord is coated with a rubber composition for coating a steel cord of the present invention in an unvulcanized state containing the above compounding agent, and extruded according to the shape of a belt or a breaker. The unvulcanized tire is formed by pasting together with other tire members. The tire of the present invention can be manufactured by heating and pressurizing the unvulcanized tire in a vulcanizer.
実施例に基づいて、本発明を具体的に説明するが、本発明はこれらのみに限定されるものではない。 The present invention will be specifically described based on examples, but the present invention is not limited to these examples.
以下、実施例および比較例で使用した各種薬品について、まとめて説明する。
天然ゴム（ＮＲ）：ＲＳＳ♯３
カーボンブラック：キャボットジャパン（株）製のショウブラックＮ３２６
シリカ：ローディア社製のＺ１１５Ｇｒ
変性フェノール樹脂：住友ベークライト（株）製のＰＲ１２６８６（カシューオイル変性フェノール樹脂）
変性レゾルシン樹脂：住友化学（株）製のスミカノール６２０
有機チオサルフェート化合物：フレキシス社製のヘキサメチレンビスチオサルフェート２ナトリウム塩・２水和物（ＨＴＳ）
Hereinafter, various chemicals used in Examples and Comparative Examples will be described together.
Natural rubber (NR): RSS # 3
Carbon Black: Show Black N326 manufactured by Cabot Japan
Silica: Z115Gr made by Rhodia
Modified phenolic resin: PR12686 (cashew oil-modified phenolic resin) manufactured by Sumitomo Bakelite Co., Ltd.
Modified resorcin resin: Sumikanol 620 manufactured by Sumitomo Chemical Co., Ltd.
Organic Thiosulfate Compound: Hexamethylenebisthiosulfate disodium salt dihydrate (HTS) manufactured by Flexis
ヘキサメチロールメラミンペンタメチルエーテル（ＨＭＭＰＭＥ）の部分縮合物：田岡化学工業（株）製のスミカノール５０７Ａ（メチレン基を有する物質約６５％とシリカおよびオイルの混合物）の有効樹脂分（化学式（１）においてｎ＝１〜３） Hexamethylol melamine pentamethyl ether (HMMPME) partial condensate: effective resin content of Sumikanol 507A (mixture of about 65% methylene-containing substance and silica and oil) manufactured by Taoka Chemical Co., Ltd. (in the chemical formula (1)) n = 1 to 3)
ヘキサメチレンテトラミン（ＨＭＴ）：大内新興化学工業（株）製のノクセラーＨ
酸化亜鉛：三井金属鉱業（株）製
ステアリン酸コバルト：大日本インキ化学工業（株）製
老化防止剤：大内新興化学工業（株）製のノクラック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）
アロマオイル：（株）ジャパンエナジー製のプロセスＸ−１４０
不溶性硫黄：フレキシス社製のクリステックスＨＳＯＴ２０（硫黄８０重量％およびオイル分２０重量％含む不溶性硫黄）
加硫促進剤：大内新興化学工業（株）製のノクセラーＤＺ−Ｇ（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）
Hexamethylenetetramine (HMT): Noxeller H manufactured by Ouchi Shinsei Chemical Co., Ltd.
Zinc oxide: Cobalt stearate manufactured by Mitsui Mining & Smelting Co., Ltd .: Anti-aging agent manufactured by Dainippon Ink & Chemicals, Inc .: NOCRACK 6C (N-1,3-dimethylbutyl-N manufactured by Ouchi Shinsei Chemical Co., Ltd.) '-Phenyl-p-phenylenediamine)
Aroma oil: Process X-140 manufactured by Japan Energy Co., Ltd.
Insoluble sulfur: Kristex HSOT 20 (insoluble sulfur containing 80% sulfur and 20% oil) by Flexis
Vulcanization accelerator: Noxeller DZ-G (N, N'-dicyclohexyl-2-benzothiazolylsulfenamide) manufactured by Ouchi Shinsei Chemical Industry Co., Ltd.
実施例１〜６および比較例１〜５
表１に示す配合処方にしたがい、バンバリーミキサーを用いて、有機チオサルフェート化合物、ＨＭＴ、不溶性硫黄および加硫促進剤以外の薬品を混練りし、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有機チオサルフェート化合物、ＨＭＴ、不溶性硫黄および加硫促進剤を添加して混練りし、未加硫ゴム組成物を得た。得られた未加硫ゴム組成物を１７０℃の条件下で１２分間プレス加硫することにより、実施例１〜６および比較例１〜４の加硫ゴム組成物を得た。
Examples 1-6 and Comparative Examples 1-5
In accordance with the formulation shown in Table 1, a Banbury mixer was used to knead chemicals other than the organic thiosulfate compound, HMT, insoluble sulfur and vulcanization accelerator to obtain a kneaded product. Next, using an open roll, an organic thiosulfate compound, HMT, insoluble sulfur and a vulcanization accelerator were added to the kneaded product and kneaded to obtain an unvulcanized rubber composition. The obtained unvulcanized rubber composition was press vulcanized for 12 minutes at 170 ° C. to obtain vulcanized rubber compositions of Examples 1 to 6 and Comparative Examples 1 to 4.
（粘弾性試験）
（株）岩本製作所製の粘弾性スペクトロメータＶＥＳを用いて、周波数１０Ｈｚ、初期歪１０％および動歪２％の条件下で、７０℃における前記加硫ゴム組成物の複素弾性率（Ｅ＊）および損失正接（ｔａｎδ）を測定した。なお、Ｅ＊が大きいほど剛性が高く、操縦安定性が優れることを示し、ｔａｎδが小さいほど低燃費性に優れることを示す。
(Viscoelasticity test)
Complex elastic modulus (E *) of the vulcanized rubber composition at 70 ° C. using a viscoelastic spectrometer VES manufactured by Iwamoto Seisakusho under the conditions of a frequency of 10 Hz, an initial strain of 10% and a dynamic strain of 2%. The loss tangent (tan δ) was measured. In addition, it shows that rigidity is so high that E * is large and steering stability is excellent, and it shows that it is excellent in low-fuel-consumption property, so that tan-delta is small.
（引張試験）
前記加硫ゴム組成物からからなる３号ダンベル型試験片を用いて、ＪＩＳ Ｋ ６２５１「加硫ゴムおよび熱可塑性ゴム−引張特性の求め方」に準じて引張試験を実施し、破断時伸びＥＢ（％）を測定した。なお、ＥＢが大きいほど、耐久性に優れることを示す。
(Tensile test)
Using a No. 3 dumbbell-shaped test piece composed of the vulcanized rubber composition, a tensile test was conducted according to JIS K 6251 “Vulcanized Rubber and Thermoplastic Rubber—How to Obtain Tensile Properties”, and elongation at break EB (%) Was measured. In addition, it shows that it is excellent in durability, so that EB is large.
（耐セパレーション再現ドラム試験）
スチールコードを前記未加硫ゴム組成物で被覆してベルトの形状に成形し、他のタイヤ部材とともに貼り合わせて未加硫タイヤを形成し、１８５℃の条件下で１０分間プレス加硫することで、実施例１〜６および比較例１〜４の試験用タイヤ（タイヤサイズ：１９５／６５Ｒ１５）を製造した。
(Separation resistance reproduction drum test)
A steel cord is coated with the unvulcanized rubber composition, formed into a belt shape, and pasted together with other tire members to form an unvulcanized tire, and press vulcanized at 185 ° C. for 10 minutes. Thus, test tires (tire size: 195 / 65R15) of Examples 1 to 6 and Comparative Examples 1 to 4 were manufactured.
前記タイヤをオーブンにいれ、８０℃で３週間劣化させたのち、ＪＩＳ規格の最大荷重（最大空気圧条件）に対して、１４０％である荷重オーバーロード条件で、タイヤをドラム走行させたときのトレッド部の膨れ等の異常発生までの走行距離を測定した。そして、実施例１の耐久性指数を１００とし、以下の計算式により、各配合の走行距離をそれぞれ指数表示した。なお、耐久性指数が大きいほど、耐久性に優れ、スチールコードの腐食を抑制できることを示す。 After treading the tire in an oven and degrading at 80 ° C for 3 weeks, the tread when the tire was drum run under a load overload condition of 140% of the maximum load (maximum air pressure condition) of JIS standard The travel distance until the occurrence of abnormality such as swelling of the part was measured. And the durability index of Example 1 was set to 100, and the travel distance of each formulation was displayed as an index according to the following calculation formula. In addition, it shows that it is excellent in durability and the corrosion of a steel cord can be suppressed, so that a durability index is large.
前記評価結果を表１に示す。 The evaluation results are shown in Table 1.
Claims (5)
シリカを４〜１５重量部、
変性フェノール樹脂を４〜１５重量部、
ヘキサメチロールメラミンペンタメチルエーテルの部分縮合物および／またはヘキサメトキシメチロールメラミンの部分縮合物を０．５〜１０重量部、ならびに
有機チオサルフェート化合物を０．１〜１．０重量部含有するスチールコード被覆用ゴム組成物であり、
前記変性フェノール樹脂が、フェノールとアルデヒド類を酸あるいはアルカリ触媒で反応させることにより得られるフェノール樹脂を変性させることで得られる変性フェノール樹脂であるスチールコード被覆用ゴム組成物。 For 100 parts by weight of a rubber component consisting of at least one selected from the group consisting of natural rubber, isoprene rubber, styrene butadiene rubber, butadiene rubber, acrylonitrile butadiene rubber, chloroprene rubber, ethylene propylene diene rubber and styrene butadiene isoprene rubber ,
4-15 parts by weight of silica ,
4-15 parts by weight of denatured phenol resin,
Steel cord coating containing 0.5 to 10 parts by weight of a partial condensate of hexamethylol melamine pentamethyl ether and / or a partial condensate of hexamethoxymethylol melamine and 0.1 to 1.0 part by weight of an organic thiosulfate compound Rubber composition for
Before SL degeneration phenol resin, rubber composition for coating a steel cord is a modified phenolic resin obtained by denaturing the phenolic resins obtained by reacting phenols and aldehydes with acid or alkali catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006344625A JP5185528B2 (en) | 2006-12-21 | 2006-12-21 | Rubber composition for coating steel cord, and tire having belt or breaker obtained by coating steel cord with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006344625A JP5185528B2 (en) | 2006-12-21 | 2006-12-21 | Rubber composition for coating steel cord, and tire having belt or breaker obtained by coating steel cord with the same |
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| JP2008156418A JP2008156418A (en) | 2008-07-10 |
| JP5185528B2 true JP5185528B2 (en) | 2013-04-17 |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009046576A (en) * | 2007-08-20 | 2009-03-05 | Sumitomo Rubber Ind Ltd | Rubber composition for breaker edge-covering, and tire having breaker edge-covering by using the same |
| JP5406964B2 (en) * | 2011-11-08 | 2014-02-05 | 住友ゴム工業株式会社 | Rubber composition for tire cord covering, breaker edge strip, breaker cushion or cord adjacent strip, and pneumatic tire |
| JP5715609B2 (en) | 2012-10-15 | 2015-05-07 | 住友ゴム工業株式会社 | Steel cord coating, breaker edge strip, rubber composition for breaker cushion or cord adjacent strip, and pneumatic tire |
| BR102013028645A2 (en) | 2012-11-08 | 2016-06-21 | Sumitomo Rubber Ind | tread rubber and pneumatic composition |
| US9023928B2 (en) | 2012-11-08 | 2015-05-05 | Sumitomo Rubber Industries, Ltd. | Rubber compositions for bead apex, sidewall packing, base tread, breaker cushion, steel cord topping, strip adjacent to steel cords, tie gum, and sidewall, and pneumatic tires |
| CN103804724B (en) | 2012-11-08 | 2018-01-12 | 住友橡胶工业株式会社 | Rubber composition and pneumatic tire |
| JP5727989B2 (en) * | 2012-11-08 | 2015-06-03 | 住友ゴム工業株式会社 | Steel cord coating, steel cord adjacent strip or rubber composition for tie gum and pneumatic tire |
| JP7140949B2 (en) * | 2017-12-08 | 2022-09-22 | 株式会社ブリヂストン | Rubber composition, vulcanized rubber, belt coating rubber, rubber and tire |
| JP7260268B2 (en) * | 2018-02-22 | 2023-04-18 | 株式会社ブリヂストン | tire |
| JPWO2020080444A1 (en) * | 2018-10-17 | 2021-09-30 | 株式会社ブリヂストン | Elastomer-metal cord complex and tires using it |
| JPWO2020080442A1 (en) * | 2018-10-17 | 2021-10-07 | 株式会社ブリヂストン | Elastomer-metal cord complex and tires using it |
| WO2021079672A1 (en) * | 2019-10-25 | 2021-04-29 | 住友ゴム工業株式会社 | Tire |
| JPWO2021079673A1 (en) * | 2019-10-25 | 2021-04-29 | ||
| JP6819028B1 (en) * | 2020-08-20 | 2021-01-27 | 住友ゴム工業株式会社 | Pneumatic tires |
| JP7567291B2 (en) | 2020-08-28 | 2024-10-16 | 住友ゴム工業株式会社 | Rubber composition for fiber coating and tire |
| US20240051339A1 (en) * | 2020-12-28 | 2024-02-15 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715029B2 (en) * | 1990-06-06 | 1995-02-22 | 横浜ゴム株式会社 | Rubber composition |
| JPH10195237A (en) * | 1997-01-09 | 1998-07-28 | Bridgestone Corp | Adhesive rubber composition |
| JP3894626B2 (en) * | 1997-09-09 | 2007-03-22 | 横浜ゴム株式会社 | Rubber composition for tire |
| JP2001026669A (en) * | 1999-07-13 | 2001-01-30 | Sumitomo Rubber Ind Ltd | Tire rubber composition and pneumatic tire using the composition in breaker |
| JP2002069404A (en) * | 2000-08-28 | 2002-03-08 | Toyo Tire & Rubber Co Ltd | Rubber composition for steel cord adhesion |
| JP2002194139A (en) * | 2000-10-19 | 2002-07-10 | Bridgestone Corp | Rubber composition and tire containing polymaleimide |
| JP4323133B2 (en) * | 2001-04-02 | 2009-09-02 | 株式会社ブリヂストン | Radial tires for large vehicles |
| JP4777535B2 (en) * | 2001-05-01 | 2011-09-21 | 東洋ゴム工業株式会社 | Adhesive rubber composition and pneumatic tire |
| JP4057336B2 (en) * | 2002-04-22 | 2008-03-05 | 住友ゴム工業株式会社 | Rubber composition and pneumatic tire |
| JP2005068277A (en) * | 2003-08-22 | 2005-03-17 | Bridgestone Corp | Radial tire |
| JP4553682B2 (en) * | 2004-10-27 | 2010-09-29 | 住友ゴム工業株式会社 | Rubber composition for coating steel cord and steel cord coated thereby |
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