JP2011252107A - Rubber composition for tire and tire - Google Patents
Rubber composition for tire and tire Download PDFInfo
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- JP2011252107A JP2011252107A JP2010127830A JP2010127830A JP2011252107A JP 2011252107 A JP2011252107 A JP 2011252107A JP 2010127830 A JP2010127830 A JP 2010127830A JP 2010127830 A JP2010127830 A JP 2010127830A JP 2011252107 A JP2011252107 A JP 2011252107A
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- rubber composition
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- gallic acid
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 59
- 239000005060 rubber Substances 0.000 title claims abstract description 59
- 239000000203 mixture Substances 0.000 title claims abstract description 51
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229940074391 gallic acid Drugs 0.000 claims abstract description 25
- 235000004515 gallic acid Nutrition 0.000 claims abstract description 25
- IUTKPPDDLYYMBE-UHFFFAOYSA-N 3,4,5-trihydroxybenzoic acid;hydrate Chemical compound O.OC(=O)C1=CC(O)=C(O)C(O)=C1 IUTKPPDDLYYMBE-UHFFFAOYSA-N 0.000 claims abstract description 19
- -1 organic acid cobalt salt Chemical class 0.000 claims abstract description 19
- 229920003244 diene elastomer Polymers 0.000 claims abstract description 16
- 244000043261 Hevea brasiliensis Species 0.000 claims description 13
- 229920003052 natural elastomer Polymers 0.000 claims description 13
- 229920001194 natural rubber Polymers 0.000 claims description 13
- 229920003049 isoprene rubber Polymers 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 9
- 239000005062 Polybutadiene Substances 0.000 claims description 8
- 229920002857 polybutadiene Polymers 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 239000002184 metal Substances 0.000 abstract description 18
- 229910052751 metal Inorganic materials 0.000 abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 20
- 238000004073 vulcanization Methods 0.000 description 11
- 239000006229 carbon black Substances 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 10
- 239000011324 bead Substances 0.000 description 8
- 239000002174 Styrene-butadiene Substances 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-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
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- AMFIJXSMYBKJQV-UHFFFAOYSA-L cobalt(2+);octadecanoate Chemical compound [Co+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AMFIJXSMYBKJQV-UHFFFAOYSA-L 0.000 description 2
- WEZJBAOYGIDDLB-UHFFFAOYSA-N cobalt(3+);borate Chemical compound [Co+3].[O-]B([O-])[O-] WEZJBAOYGIDDLB-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- DLNKOYKMWOXYQA-CBAPKCEASA-N (-)-norephedrine Chemical compound C[C@H](N)[C@H](O)C1=CC=CC=C1 DLNKOYKMWOXYQA-CBAPKCEASA-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
- YRVRZDIWEXCJSX-UHFFFAOYSA-N 2-methyl-3-(3-triethoxysilylpropyl)thiirane-2-carboxylic acid Chemical compound CCO[Si](OCC)(OCC)CCCC1SC1(C)C(O)=O YRVRZDIWEXCJSX-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
- 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 1
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 1
- 229940090248 4-hydroxybenzoic acid Drugs 0.000 description 1
- YPIFGDQKSSMYHQ-UHFFFAOYSA-N 7,7-dimethyloctanoic acid Chemical compound CC(C)(C)CCCCCC(O)=O YPIFGDQKSSMYHQ-UHFFFAOYSA-N 0.000 description 1
- ZZOXWBGGPBLVNQ-UHFFFAOYSA-N CN(C)C(SSSSC(N(C)C)=[S+]CCC[SiH2]C(OC)OC)=[S+]CCC[SiH2]C(OC)OC Chemical compound CN(C)C(SSSSC(N(C)C)=[S+]CCC[SiH2]C(OC)OC)=[S+]CCC[SiH2]C(OC)OC ZZOXWBGGPBLVNQ-UHFFFAOYSA-N 0.000 description 1
- PGTYGFUKRKVUAA-UHFFFAOYSA-N CO[SiH2]CCCC1=CC=CC2=C1N=C(S2)S Chemical compound CO[SiH2]CCCC1=CC=CC2=C1N=C(S2)S PGTYGFUKRKVUAA-UHFFFAOYSA-N 0.000 description 1
- 239000006237 Intermediate SAF Substances 0.000 description 1
- LEVWYRKDKASIDU-IMJSIDKUSA-N L-cystine Chemical compound [O-]C(=O)[C@@H]([NH3+])CSSC[C@H]([NH3+])C([O-])=O LEVWYRKDKASIDU-IMJSIDKUSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- AUMCMLHQJRXQEV-UHFFFAOYSA-J [Co+2].C(CCCCCC(C)(C)C)(=O)[O-].[Co+2].C(CCCCCC(C)(C)C)(=O)[O-].C(CCCCCC(C)(C)C)(=O)[O-].C(CCCCCC(C)(C)C)(=O)[O-] Chemical compound [Co+2].C(CCCCCC(C)(C)C)(=O)[O-].[Co+2].C(CCCCCC(C)(C)C)(=O)[O-].C(CCCCCC(C)(C)C)(=O)[O-].C(CCCCCC(C)(C)C)(=O)[O-] AUMCMLHQJRXQEV-UHFFFAOYSA-J 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229940011182 cobalt acetate Drugs 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
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 1
- FJDJVBXSSLDNJB-LNTINUHCSA-N cobalt;(z)-4-hydroxypent-3-en-2-one Chemical compound [Co].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O FJDJVBXSSLDNJB-LNTINUHCSA-N 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 229960003067 cystine Drugs 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement 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
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 229960001755 resorcinol Drugs 0.000 description 1
- HBACTRZJLWXFBM-UHFFFAOYSA-N s-[[methyl(4-trimethoxysilylbutyl)carbamoyl]trisulfanyl] n-methyl-n-(4-trimethoxysilylbutyl)carbamothioate Chemical compound CO[Si](OC)(OC)CCCCN(C)C(=O)SSSSC(=O)N(C)CCCC[Si](OC)(OC)OC HBACTRZJLWXFBM-UHFFFAOYSA-N 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- FBBATURSCRIBHN-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyldisulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSCCC[Si](OCC)(OCC)OCC FBBATURSCRIBHN-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
本発明は、タイヤ用ゴム組成物およびタイヤに関する。 The present invention relates to a tire rubber composition and a tire.
従来、タイヤ用ゴム組成物には、金属に対する優れた接着性が要求される。これは、補強材であるスチールコードとこれを被覆するゴム組成物との界面で接着破壊が起こった場合に、タイヤ故障に至るからである。
例えば、特許文献１には、本出願人により、ジエン系ゴム、カーボンブラック及び／又はシリカ、有機酸コバルト塩並びに硫黄を含んでなるゴム組成物に、シスチンを配合して接着性を改善させた発明が開示されている（［請求項１］［実施例］）。
Conventionally, the rubber composition for tires is required to have excellent adhesion to metal. This is because tire failure occurs when adhesion failure occurs at the interface between the steel cord as a reinforcing material and the rubber composition covering the steel cord.
For example, in Patent Document 1, the applicant has improved adhesion by blending cystine into a rubber composition comprising diene rubber, carbon black and / or silica, organic acid cobalt salt and sulfur. The invention is disclosed ([Claim 1] [Example]).
本発明の目的は、特許文献１に開示された発明と同様、金属に対する接着性に優れたタイヤ用ゴム組成物を提供することである。 An object of the present invention is to provide a rubber composition for tires that is excellent in adhesion to metal, as in the invention disclosed in Patent Document 1.
本発明者は、上記課題を解決するために鋭意検討した結果、ジエン系ゴムおよび有機酸コバルト塩に所定量の没食子酸および／または没食子酸水和物を配合したタイヤ用ゴム組成物が、金属に対する接着性に優れることを見出し、本発明を完成させた。
すなわち、本発明は、以下の（１）〜（４）を提供する。
As a result of intensive studies to solve the above problems, the present inventors have found that a rubber composition for tires in which a predetermined amount of gallic acid and / or gallic acid hydrate is blended with a diene rubber and an organic acid cobalt salt is a metal. As a result, the present invention was completed.
That is, the present invention provides the following (1) to (4).
（１）ジエン系ゴム１００質量部と、没食子酸および／または没食子酸水和物０．１〜１０質量部と、有機酸コバルト塩と、を含有するタイヤ用ゴム組成物。 (1) A rubber composition for tires containing 100 parts by mass of a diene rubber, 0.1 to 10 parts by mass of gallic acid and / or gallic acid hydrate, and an organic acid cobalt salt.
（２）上記有機酸コバルト塩の含有量が、コバルト量として上記ジエン系ゴム１００質量部に対して０．１〜０．５質量部である、上記（１）に記載のタイヤ用ゴム組成物。 (2) The tire rubber composition according to (1), wherein the content of the organic acid cobalt salt is 0.1 to 0.5 parts by mass with respect to 100 parts by mass of the diene rubber as a cobalt amount. .
（３）上記ジエン系ゴムが、天然ゴム（ＮＲ）、ブタジエンゴム（ＢＲ）、スチレン−ブタジエンゴム（ＳＢＲ）、イソプレンゴム（ＩＲ）、および、エチレン−プロピレン−ジエンゴム（ＥＰＤＭ）からなる群より選ばれる少なくとも１種のゴムである、上記（１）または（２）に記載のタイヤ用ゴム組成物。 (3) The diene rubber is selected from the group consisting of natural rubber (NR), butadiene rubber (BR), styrene-butadiene rubber (SBR), isoprene rubber (IR), and ethylene-propylene-diene rubber (EPDM). The rubber composition for tires according to the above (1) or (2), which is at least one kind of rubber.
（４）上記（１）〜（３）のいずれかに記載のタイヤ用ゴム組成物を、スチールコードを被覆するゴム組成物として使用したタイヤ。 (4) A tire using the tire rubber composition according to any one of (1) to (3) as a rubber composition for coating a steel cord.
本発明によれば、金属に対する接着性に優れたタイヤ用ゴム組成物を提供することができる。
また、本発明のタイヤ用ゴム組成物をスチールコードを被覆するゴム組成物として使用したタイヤは、ゴム組成物のスチールコードに対する接着性に優れ、タイヤ故障が生じにくくなり有用である。
ADVANTAGE OF THE INVENTION According to this invention, the rubber composition for tires excellent in the adhesiveness with respect to a metal can be provided.
In addition, a tire using the tire rubber composition of the present invention as a rubber composition for coating a steel cord is excellent in adhesion of the rubber composition to the steel cord, and is less likely to cause a tire failure and is useful.
本発明のタイヤ用ゴム組成物（以下、「本発明のゴム組成物」ともいう）は、ジエン系ゴム１００質量部と、没食子酸および／または没食子酸水和物０．１〜１０質量部と、有機酸コバルト塩と、を含有するタイヤ用ゴム組成物である。
以下に、本発明のゴム組成物が含有する各成分について詳細に説明する。
The rubber composition for tires of the present invention (hereinafter also referred to as “the rubber composition of the present invention”) comprises 100 parts by mass of a diene rubber, 0.1 to 10 parts by mass of gallic acid and / or gallic acid hydrate, The rubber composition for tires containing organic acid cobalt salt.
Below, each component which the rubber composition of this invention contains is demonstrated in detail.
＜ジエン系ゴム＞
本発明のゴム組成物に含有されるジエン系ゴムとしては、主鎖に二重結合を有するものであれば特に限定されず、例えば、天然ゴム（ＮＲ）、ブタジエンゴム（ＢＲ）、スチレン−ブタジエンゴム（ＳＢＲ）、イソプレンゴム（ＩＲ）、エチレン−プロピレン−ジエンゴム（ＥＰＤＭ）、アクリロニトリルブタジエンゴム、スチレン−イソプレンゴム、イソプレン−ブタジエンゴム等が挙げられ、これらを１種単独で用いてもよく、２種以上を併用してもよい。
これらのうち、金属に対する接着性がより優れるという理由から、ＮＲ、ＢＲ、ＳＢＲ、ＩＲおよびＥＰＤＭからなる群より選ばれる少なくとも１種であることが好ましい。
<Diene rubber>
The diene rubber contained in the rubber composition of the present invention is not particularly limited as long as it has a double bond in the main chain. For example, natural rubber (NR), butadiene rubber (BR), styrene-butadiene Examples thereof include rubber (SBR), isoprene rubber (IR), ethylene-propylene-diene rubber (EPDM), acrylonitrile butadiene rubber, styrene-isoprene rubber, isoprene-butadiene rubber, and these may be used alone. More than one species may be used in combination.
Of these, at least one selected from the group consisting of NR, BR, SBR, IR, and EPDM is preferable because of its superior adhesion to metal.
＜没食子酸および／または没食子酸水和物＞
本発明のゴム組成物には、没食子酸および／または没食子酸水和物が、上記ジエン系ゴム１００質量部に対して０．１〜１０質量部含有される。これにより、本発明のゴム組成物は、金属に対する接着性が優れる。
これは、没食子酸および／または没食子酸水和物が有する複数個の水酸基や、没食子酸水和物の水が、後述する有機酸コバルト塩の解離性を促進することで、ゴム組成物と金属との接着反応性が向上し、さらに、没食子酸および／または没食子酸水和物が有するカルボキシ基も金属に作用して接着性がより向上するからであると考えられる。
<Gallic acid and / or gallic acid hydrate>
The rubber composition of the present invention contains 0.1 to 10 parts by mass of gallic acid and / or gallic acid hydrate with respect to 100 parts by mass of the diene rubber. Thereby, the rubber composition of this invention is excellent in the adhesiveness with respect to a metal.
This is because a plurality of hydroxyl groups possessed by gallic acid and / or gallic acid hydrate and water of gallic acid hydrate promote dissociation properties of the organic acid cobalt salt described later, whereby the rubber composition and the metal This is considered to be because the adhesion reactivity with gallic acid and / or the carboxy group of gallic acid hydrate also acts on the metal to further improve the adhesion.
上記没食子酸としては、例えば、下記（Ｉ）式で示される化合物（３，４，５−トリヒドロキシ安息香酸）等が挙げられる。また、上記没食子酸水和物としては、例えば、下記（ＩＩ）式で示される化合物（３，４，５−トリヒドロキシ安息香酸水和物）等が挙げられる。 Examples of the gallic acid include compounds represented by the following formula (I) (3,4,5-trihydroxybenzoic acid). Examples of the gallic acid hydrate include compounds represented by the following formula (II) (3,4,5-trihydroxybenzoic acid hydrate).
上記没食子酸および／または没食子酸水和物の含有量は、ゴム組成物と金属との接着性の観点から、上記ジエン系ゴム１００質量部に対して０．１〜５．０質量部であるのが好ましく、０．２〜２．０質量部であるのがより好ましい。 The content of the gallic acid and / or gallic acid hydrate is 0.1 to 5.0 parts by mass with respect to 100 parts by mass of the diene rubber from the viewpoint of adhesion between the rubber composition and the metal. Is preferable, and it is more preferable that it is 0.2-2.0 mass parts.
＜有機酸コバルト塩＞
本発明のゴム組成物に含有される有機酸コバルト塩としては、例えば、ナフテン酸コバルト、ステアリン酸コバルト、オルトホウ酸コバルト、ネオデカン酸コバルト、酢酸コバルト、ネオデカン酸オルトホウ酸コバルト、コバルトアセチルアセトナート等が挙げられる。
上記有機酸コバルト塩の含有量は、コバルト量として上記ジエン系ゴム１００質量部に対して０．１〜０．５質量部であるのが好ましく、０．１〜０．３質量部であるのがより好ましい。
<Cobalt of organic acid>
Examples of the organic acid cobalt salt contained in the rubber composition of the present invention include cobalt naphthenate, cobalt stearate, cobalt orthoborate, cobalt neodecanoate, cobalt acetate, cobalt cobalt neodecanoate, cobalt acetylacetonate and the like. Can be mentioned.
The content of the organic acid cobalt salt is preferably 0.1 to 0.5 parts by weight, and 0.1 to 0.3 parts by weight with respect to 100 parts by weight of the diene rubber as the amount of cobalt. Is more preferable.
＜カーボンブラック、シリカ＞
本発明のゴム組成物は、フィラーとして、カーボンブラックおよび／またはシリカを含有することが好ましい。
本発明のゴム組成物に含有されるカーボンブラックとしては、特に限定されず、例えば、ＩＳＡＦ、ＨＡＦ、ＦＥＦ、ＧＰＦ、ＳＲＦ、ＦＴ、ＭＴ等を好ましく用いることができる。本発明のゴム組成物は、上記カーボンブラックを含有することにより、補強性が良好となり、また、切断時伸びに優れる。
本発明のゴム組成物に含有されるシリカとしては、特に限定されず、従来公知のシリカを用いることができる。上記カーボンブラックと共に上記シリカを配合すると発熱性低下の効果が発現するので好ましい。
上記カーボンブラックと上記シリカとの質量比（カーボンブラック／シリカ）は、１００／０〜０／１００であるのが好ましく、１００／０〜６０／４０であるのがより好ましく、１００／０〜８０／２０であるのがさらに好ましい。
<Carbon black, silica>
The rubber composition of the present invention preferably contains carbon black and / or silica as a filler.
The carbon black contained in the rubber composition of the present invention is not particularly limited, and for example, ISAF, HAF, FEF, GPF, SRF, FT, MT and the like can be preferably used. By containing the carbon black, the rubber composition of the present invention has good reinforcing properties and excellent elongation at break.
The silica contained in the rubber composition of the present invention is not particularly limited, and conventionally known silica can be used. It is preferable to blend the silica together with the carbon black because the effect of reducing the exothermic property is exhibited.
The mass ratio of carbon black to silica (carbon black / silica) is preferably 100/0 to 0/100, more preferably 100/0 to 60/40, and 100/0 to 80. More preferably, it is / 20.
なお、本発明のゴム組成物は、上記シリカを含有する場合には、補強性、加工中のヤケ等の観点から、さらに、シランカップリング剤を含有することが好ましい。上記シランカップリング剤としては、例えば、分子中に硫黄原子を含有するものを用いることができ、具体的には、例えば、３−トリメトキシシリルプロピル−Ｎ，Ｎ−ジメチルカルバモイル−テトラスルフィド、トリメトキシシリルプロピル−メルカプトベンゾチアゾールテトラスルフィド、トリエトキシシリルプロピル−メタクリレート−モノスルフィド、ジメトキシメチルシリルプロピル−Ｎ，Ｎ−ジメチルチオカルバモイル−テトラスルフィド、ビス−〔３−（トリエトキシシリル）−プロピル〕テトラスルフィド、ビス−〔３−（トリエトキシシリル）−プロピル〕ジスルフィド、３−メルカプトプロピルトリメトキシシラン等が挙げられる。 In addition, when the rubber composition of this invention contains the said silica, it is preferable to contain a silane coupling agent from viewpoints, such as reinforcement property and a burning under process. As the silane coupling agent, for example, one containing a sulfur atom in the molecule can be used. Specifically, for example, 3-trimethoxysilylpropyl-N, N-dimethylcarbamoyl-tetrasulfide, trisulfide, Methoxysilylpropyl-mercaptobenzothiazole tetrasulfide, triethoxysilylpropyl-methacrylate-monosulfide, dimethoxymethylsilylpropyl-N, N-dimethylthiocarbamoyl-tetrasulfide, bis- [3- (triethoxysilyl) -propyl] tetra Examples thereof include sulfide, bis- [3- (triethoxysilyl) -propyl] disulfide, and 3-mercaptopropyltrimethoxysilane.
本発明のゴム組成物には、上述した成分の他に、カーボンブラックやシリカ以外のフィラー；加硫または架橋剤；加硫または架橋促進剤；酸化亜鉛；オイル；老化防止剤；可塑剤；ワックス；フェノール系、レゾルシン系、クレゾール系などの熱硬化性樹脂；等のタイヤ用ゴム組成物に一般的に用いられている各種の添加剤を配合することができる。これらの添加剤の配合量は本発明の目的に反しない限り、従来の一般的な配合量とすることができる。 In addition to the components described above, the rubber composition of the present invention includes a filler other than carbon black and silica; a vulcanization or crosslinking agent; a vulcanization or crosslinking accelerator; a zinc oxide; an oil; an antiaging agent; Various additives generally used in tire rubber compositions such as phenol-based, resorcin-based, and cresol-based thermosetting resins can be blended. As long as the amount of these additives is not contrary to the object of the present invention, a conventional general amount can be used.
本発明のゴム組成物の製造方法は、特に限定されず、例えば、上述した各成分を、公知の方法、装置（例えば、バンバリーミキサー、ニーダー、ロール等）を用いて、混練する方法等が挙げられる。また、本発明のゴム組成物は、従来公知の加硫または架橋条件で加硫または架橋することができる。 The method for producing the rubber composition of the present invention is not particularly limited, and examples thereof include a method of kneading the above-described components using a known method and apparatus (for example, a Banbury mixer, a kneader, a roll, etc.). It is done. The rubber composition of the present invention can be vulcanized or crosslinked under conventionally known vulcanization or crosslinking conditions.
本発明のタイヤは、上述した本発明のゴム組成物を、スチールコードを被覆するゴム組成物として使用したタイヤである。
図１に、本発明のタイヤの実施態様の一例を表すタイヤの部分断面概略図を示すが、本発明のタイヤは図１に示す態様に限定されるものではない。
The tire of the present invention is a tire using the above-described rubber composition of the present invention as a rubber composition for coating a steel cord.
FIG. 1 shows a schematic partial sectional view of a tire representing an example of an embodiment of the tire of the present invention, but the tire of the present invention is not limited to the embodiment shown in FIG.
図１において、符号１はビード部を表し、符号２はサイドウォール部を表し、符号３はトレッド部を表す。
また、左右一対のビード部１間においては、カーカス層４が装架されており、このカーカス層４の端部はビードコア５およびビードフィラー６の廻りにタイヤ内側から外側に折り返されて巻き上げられている。
また、トレッド部３においては、カーカス層４の外側に、複数層のベルト層７がタイヤ１周に亘って配置されている。なお、図１に示すベルト層７は、２層であるが、これに限定されることはなく、例えば、１層、３層、４層等であってもよい。
また、ビード部１においては、リムに接する部分にリムクッション８が配置されている。
ここで、図１に示すカーカス層４、および、ベルト層７は、スチールコードによって構成されているため、本発明のタイヤ１０は、これらをコートするゴム（図示せず）が、上述した本発明のゴム組成物によって構成されている。
In FIG. 1, reference numeral 1 represents a bead part, reference numeral 2 represents a sidewall part, and reference numeral 3 represents a tread part.
Further, a carcass layer 4 is mounted between the pair of left and right bead portions 1, and an end portion of the carcass layer 4 is folded and wound up around the bead core 5 and the bead filler 6 from the tire inner side to the outer side. Yes.
In the tread portion 3, a plurality of belt layers 7 are disposed on the outer side of the carcass layer 4 over the circumference of the tire. The belt layer 7 shown in FIG. 1 has two layers, but is not limited to this, and may be, for example, one layer, three layers, four layers, or the like.
Moreover, in the bead part 1, the rim cushion 8 is arrange | positioned in the part which touches a rim | limb.
Here, since the carcass layer 4 and the belt layer 7 shown in FIG. 1 are made of steel cords, the tire 10 of the present invention has a rubber (not shown) that coats them as described above. It is comprised by the rubber composition of this.
本発明のタイヤは、例えば、本発明のゴム組成物に用いられたジエン系ゴム、加硫または架橋剤、加硫または架橋促進剤の種類およびその配合割合に応じた温度で加硫または架橋し、トレッド部等を形成することにより製造することができる。 The tire of the present invention is, for example, vulcanized or crosslinked at a temperature corresponding to the type of diene rubber, vulcanization or crosslinking agent, vulcanization or crosslinking accelerator used in the rubber composition of the present invention, and the blending ratio thereof. It can be manufactured by forming a tread portion or the like.
本発明のタイヤは、上述した本発明のゴム組成物がスチールコードを被覆しているため、ゴム組成物のスチールコードに対する接着性が優れ、両者の界面での接着破壊が抑制され、タイヤ故障が生じにくくなるという効果を有する。 In the tire of the present invention, since the rubber composition of the present invention described above coats the steel cord, the adhesiveness of the rubber composition to the steel cord is excellent, the adhesive failure at the interface between the two is suppressed, and the tire failure occurs. It has the effect of being less likely to occur.
以下に、実施例を挙げて本発明を具体的に説明する。本発明はこれらに限定されるものではない。 Hereinafter, the present invention will be specifically described with reference to examples. The present invention is not limited to these.
＜実施例１〜１６、比較例１〜５＞
下記第１〜３表に示す成分を、下記第１〜３表に示す割合（質量部）で配合した。
具体的には、まず、下記第１〜３表に示す成分のうち硫黄および加硫促進剤を除く成分を、２リットルの密閉型ミキサーで５分間混練し、１５０℃に達したときに放出してマスターバッチを得た。次に、得られたマスターバッチに硫黄および加硫促進剤をオープンロールで混練し、ゴム組成物を得た。次に、得られたゴム組成物を１５×１５×０．２ｃｍの金型中で１７０℃で１５分間加硫して加硫ゴムシートを調製した。
<Examples 1-16, Comparative Examples 1-5>
The components shown in Tables 1 to 3 below were blended in the proportions (parts by mass) shown in Tables 1 to 3 below.
Specifically, first, among the components shown in Tables 1 to 3 below, components other than sulfur and a vulcanization accelerator are kneaded for 5 minutes with a 2 liter closed mixer and released when the temperature reaches 150 ° C. A master batch was obtained. Next, sulfur and a vulcanization accelerator were kneaded with an open roll in the obtained master batch to obtain a rubber composition. Next, the obtained rubber composition was vulcanized at 170 ° C. for 15 minutes in a 15 × 15 × 0.2 cm mold to prepare a vulcanized rubber sheet.
＜引張試験＞
ＪＩＳ Ｋ６２５１：２００４に準拠して、調製直後（ブランク）の加硫ゴムシートからＪＩＳ３号形ダンベルにて打抜き試験サンプルとし、５００ｍｍ／分の引張速度の条件下で、引張強さ（ＴB［ＭＰａ］）および切断時伸び（ＥB［％］）を測定した。
また、８０℃に加熱したオーブン内に１００時間放置した後（熱老化後）の試験サンプルについても、同様に、引張強さおよび切断時伸びを測定した。
<Tensile test>
In accordance with JIS K6251: 2004, a punched test sample was prepared from a vulcanized rubber sheet immediately after preparation (blank) with a JIS No. 3 dumbbell, and the tensile strength (T B [MPa ]) And elongation at break (E B [%]) were measured.
Similarly, the tensile strength and elongation at break were also measured for test samples after being left in an oven heated to 80 ° C. for 100 hours (after heat aging).
＜接着試験＞
複数本の黄銅メッキスチールコード（１×５構造、素線径０．２５ｍｍ）を１２．５ｍｍ間隔で互いに平行に並べてゴム組成物に埋め込み、１７０℃で１５分間加硫して、試験サンプルを調製した。試験サンプルからＡＳＴＭ−Ｄ−２に準拠してコードを引き抜き、その引き抜き時の力（引抜力［Ｎ］）およびコードへのゴム被覆率（ゴム付［％］）を目視で測定した。
また、引抜力およびゴム付は、加硫後（ブランク）の試験サンプルの他、加硫後に１００℃に加熱したオーブン内に１００時間放置した（熱老化後）の試験サンプル、および、加硫後に７０℃の温水に２週間浸漬した（温水劣化後）の試験サンプルについても測定した。
<Adhesion test>
A plurality of brass-plated steel cords (1 × 5 structure, strand diameter 0.25 mm) are arranged parallel to each other at 12.5 mm intervals, embedded in the rubber composition, and vulcanized at 170 ° C. for 15 minutes to prepare a test sample did. The cord was pulled out from the test sample in accordance with ASTM-D-2, and the pulling force (pullout force [N]) and the rubber coverage on the cord (with rubber [%]) were visually measured.
In addition to the test sample after vulcanization (blank), the pulling force and with rubber are the test sample that was left in an oven heated to 100 ° C. after vulcanization for 100 hours (after heat aging), and after vulcanization. The measurement was also performed on a test sample immersed in warm water at 70 ° C. for 2 weeks (after hot water deterioration).
上記第１〜３表中の各成分は、以下のものを使用した。
・ＮＲ：天然ゴム、ＴＳＲ２０
・ＩＲ：イソプレンゴム、Ｎｉｐｏｌ ＩＲ−２２００、日本ゼオン社製
・ＳＢＲ：スチレン−ブタジエンゴム、Ｎｉｐｏｌ １５０２、日本ゼオン社製
・カーボンブラック：ＨＡＦ、シースト３００、東海カーボン社製
・酸化亜鉛：酸化亜鉛３種、正同化学工業社製
・老化防止剤：Ｎ−フェニル−Ｎ′−（１，３−ジメチルブチル）−ｐ−フェニレンジアミン、サントフレックス６ＰＰＤ、フレキシス社製
・硫黄：ミュークロンＯＴ―２０、四国化成工業社製
・加硫促進剤：Ｎ，Ｎ’−ジシクロヘキシル−２−ベンゾチアジルスルフェンアミド、ノクセラーＤＺ、大内新興化学工業社製
・没食子酸：関東化学社製
・没食子酸水和物：関東化学社製
・ＰＯＢ：４−ヒドロキシ安息香酸（関東化学社製）
・有機酸コバルト塩１：ステアリン酸コバルト、ｃｏｓｔ−Ｆ、大日本インキ化学工業社製、コバルト含有率９．５質量％
・有機酸コバルト塩２：ネオデカン酸オルトホウ酸コバルト、マノボンド、ローディア社製、コバルト含有率２２質量％
The following were used for each component in Tables 1-3 above.
・ NR: Natural rubber, TSR20
IR: Isoprene rubber, Nipol IR-2200, manufactured by Nippon Zeon Co., Ltd. SBR: Styrene-butadiene rubber, Nipol 1502, manufactured by Nippon Zeon Co., Ltd. Carbon black: HAF, Seast 300, manufactured by Tokai Carbon Co., Ltd. Zinc oxide: Zinc oxide 3 Species, manufactured by Shodo Chemical Industry Co., Ltd. Anti-aging agent: N-phenyl-N '-(1,3-dimethylbutyl) -p-phenylenediamine, Santoflex 6PPD, manufactured by Flexis Co., Ltd. Sulfur: Mucron OT-20, Shikoku Made by Kasei Kogyo Co., Ltd. ・ Vulcanization accelerator: N, N′-dicyclohexyl-2-benzothiazylsulfenamide, Noxeller DZ, made by Ouchi Shinsei Chemical Co., Ltd. ・ Gallic acid: manufactured by Kanto Chemical Co., Inc. : Kanto Chemical Co., Ltd. POB: 4-hydroxybenzoic acid (manufactured by Kanto Chemical Co., Ltd.)
Organic acid cobalt salt 1: cobalt stearate, cost-F, manufactured by Dainippon Ink & Chemicals, Inc., cobalt content 9.5% by mass
Organic acid cobalt salt 2: neodecanoic acid cobalt orthoborate, Manobond, Rhodia, cobalt content 22% by mass
上記第１表に示す結果から、没食子酸を含有する実施例１〜４は、没食子酸を含有しない比較例１と比べて、引張特性（ＴB、ＥB）および金属に対する接着性（引抜力、ゴム付）に優れることが分かった。 From the results shown in Table 1 above, Examples 1 to 4 containing gallic acid were compared with Comparative Example 1 not containing gallic acid in terms of tensile properties (T B and E B ) and adhesion to metal (pulling force). , With rubber).
上記第２表に示す結果から、没食子酸を含有する実施例５〜８、没食子酸水和物を含有する実施例９〜１１、および、没食子酸と没食子酸水和物とを含有する実施例１２は、没食子酸または没食子酸水和物を含有しない比較例２と比べて、引張特性および金属に対する接着性に優れることが分かった。
また、没食子酸および／または没食子酸水和物を１．０質量部含有する実施例７，１１，１２は、ＰＯＢを１．０質量部含有する比較例３と比べて、とりわけ引張特性に優れる傾向にあることが分かった。
From the results shown in Table 2 above, Examples 5 to 8 containing gallic acid, Examples 9 to 11 containing gallic acid hydrate, and Examples containing gallic acid and gallic acid hydrate No. 12 was found to be superior in tensile properties and adhesion to metal as compared with Comparative Example 2 containing no gallic acid or gallic acid hydrate.
Moreover, Examples 7, 11, and 12 containing 1.0 part by mass of gallic acid and / or gallic acid hydrate are particularly excellent in tensile properties as compared with Comparative Example 3 containing 1.0 part by mass of POB. It turned out that there was a tendency.
上記第３表に示す結果から、ＮＲとＩＲとを併用する系において、没食子酸を含有する実施例１３，１４は、没食子酸を含有しない比較例４と比べて、引張特性および金属に対する接着性に優れることが分かった。
また、ＮＲとＳＢＲとを併用する系においても同様に、没食子酸を含有する実施例１５，１６は、没食子酸を含有しない比較例５と比べて、引張特性および金属に対する接着性に優れることが分かった。
From the results shown in Table 3, in Examples 13 and 14 containing gallic acid in the system using both NR and IR, the tensile properties and the adhesion to metal were compared to Comparative Example 4 containing no gallic acid. It turned out to be excellent.
Similarly, in the system where NR and SBR are used in combination, Examples 15 and 16 containing gallic acid are excellent in tensile properties and adhesion to metal compared to Comparative Example 5 not containing gallic acid. I understood.
次に、実施例どうしについて検討する。
実施例１〜４を見ると、没食子酸の含有量が０．５質量部または１．０質量部である実施例２，３が、引張特性および金属に対する接着性により優れる傾向にあることが分かった。これは、実施例５〜８においても同様であることが分かった。
Next, examples will be examined.
Looking at Examples 1 to 4, it can be seen that Examples 2 and 3 having a gallic acid content of 0.5 parts by mass or 1.0 parts by mass tend to be more excellent in tensile properties and adhesion to metal. It was. This was found to be the same in Examples 5 to 8.
実施例５〜８と実施例９〜１１とを比較すると、没食子酸を用いた実施例５〜８と没食子酸水和物を用いた実施例９〜１１とは、いずれも同等に引張特性および金属に対する接着性が優れることが分かった。また、没食子酸と没食子酸水和物とを併用した実施例１２も同様であることが分かった。 When Examples 5 to 8 and Examples 9 to 11 are compared, Examples 5 to 8 using gallic acid and Examples 9 to 11 using gallic acid hydrate are all equivalent in tensile properties and It was found that the adhesion to metal was excellent. Moreover, it turned out that Example 12 which used gallic acid and gallic acid hydrate together is also the same.
実施例１〜４と実施例５〜８とを比較すると、有機酸コバルト塩１を用いた実施例１〜４よりも有機酸コバルト塩２を用いた実施例５〜８の方が、熱老化後における金属に対する接着性により優れる傾向にあることが分かった。 When Examples 1-4 and Examples 5-8 are compared, the direction of Examples 5-8 using organic acid cobalt salt 2 is more heat aging than Examples 1-4 using organic acid cobalt salt 1. It turned out that it exists in the tendency which is excellent by the adhesiveness with respect to the metal later.
実施例１３および１４と実施例１５および１６と比較すると、ＮＲとＩＲとを併用する実施例１３および１４と、ＮＲとＳＢＲとを併用する実施例１５および１６とは、いずれも同等に引張特性および金属に対する接着性が優れることが分かった。 As compared with Examples 13 and 14 and Examples 15 and 16, Examples 13 and 14 that use NR and IR together and Examples 15 and 16 that use NR and SBR together all have the same tensile properties. It was also found that the adhesion to metal was excellent.
１ ビード部
２ サイドウォール部
３ トレッド部
４ カーカス層
５ ビードコア
６ ビードフィラー
７ ベルト層
８ リムクッション
1 Bead part 2 Side wall part 3 Tread part 4 Carcass layer 5 Bead core 6 Bead filler 7 Belt layer 8 Rim cushion
Claims (4)
没食子酸および／または没食子酸水和物０．１〜１０質量部と、
有機酸コバルト塩と、を含有するタイヤ用ゴム組成物。 100 parts by weight of diene rubber,
0.1 to 10 parts by weight of gallic acid and / or gallic acid hydrate,
The rubber composition for tires containing organic acid cobalt salt.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012229357A (en) * | 2011-04-27 | 2012-11-22 | Yokohama Rubber Co Ltd:The | Rubber composition for tire, and pneumatic tire using the same |
| JP2017008206A (en) * | 2015-06-22 | 2017-01-12 | 株式会社ブリヂストン | Rubber composition, laminate, and conveyor belt |
| WO2017047472A1 (en) * | 2015-09-18 | 2017-03-23 | 横浜ゴム株式会社 | Rubber composition for steel cord covering and tire |
| WO2019122587A1 (en) | 2017-12-21 | 2019-06-27 | Compagnie Generale Des Etablissements Michelin | Diacid-crosslinked rubber composition comprising a phenolic compound |
| WO2019122585A1 (en) | 2017-12-21 | 2019-06-27 | Compagnie Generale Des Etablissements Michelin | Diacid-crosslinked rubber composition comprising a phenolic compound |
| WO2019122586A1 (en) | 2017-12-21 | 2019-06-27 | Compagnie Generale Des Etablissements Michelin | Sulfur-free crosslinked composition comprising a phenolic compound |
| WO2020058613A1 (en) | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising a polyphenolic compound |
| WO2020058615A1 (en) | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising an epoxide elastomer and a polyphenolic compound |
| JP2021059623A (en) * | 2019-10-03 | 2021-04-15 | 横浜ゴム株式会社 | Rubber composition for steel cord adhesion and conveyor belt |
| WO2021255376A1 (en) | 2020-06-18 | 2021-12-23 | Compagnie Generale Des Etablissements Michelin | Elastomeric composition comprising a phenolic compound and a compound from the monosaccharide family |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5243851A (en) * | 1975-10-04 | 1977-04-06 | Yokohama Rubber Co Ltd:The | Rubber compositions |
| JPS5798532A (en) * | 1980-12-11 | 1982-06-18 | Bridgestone Corp | Rubber composition for bonding steel cord |
| JPH01203473A (en) * | 1988-02-08 | 1989-08-16 | Yokohama Rubber Co Ltd:The | Rubber composition for coating steel cord |
| JPH07126441A (en) * | 1993-10-29 | 1995-05-16 | Sumitomo Chem Co Ltd | Rubber composition suitable for carrying out vulcanizing adhesion to steel cord |
| JP2001234140A (en) * | 2000-02-25 | 2001-08-28 | Bridgestone Corp | Adhesive rubber composition |
| JP2007314659A (en) * | 2006-05-25 | 2007-12-06 | Yokohama Rubber Co Ltd:The | Thermosensitive color developing display composition for rubber product, rubber product with display function and its manufacturing method |
-
2010
- 2010-06-03 JP JP2010127830A patent/JP5459079B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5243851A (en) * | 1975-10-04 | 1977-04-06 | Yokohama Rubber Co Ltd:The | Rubber compositions |
| JPS5798532A (en) * | 1980-12-11 | 1982-06-18 | Bridgestone Corp | Rubber composition for bonding steel cord |
| JPH01203473A (en) * | 1988-02-08 | 1989-08-16 | Yokohama Rubber Co Ltd:The | Rubber composition for coating steel cord |
| JPH07126441A (en) * | 1993-10-29 | 1995-05-16 | Sumitomo Chem Co Ltd | Rubber composition suitable for carrying out vulcanizing adhesion to steel cord |
| JP2001234140A (en) * | 2000-02-25 | 2001-08-28 | Bridgestone Corp | Adhesive rubber composition |
| JP2007314659A (en) * | 2006-05-25 | 2007-12-06 | Yokohama Rubber Co Ltd:The | Thermosensitive color developing display composition for rubber product, rubber product with display function and its manufacturing method |
Cited By (24)
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| JP2012229357A (en) * | 2011-04-27 | 2012-11-22 | Yokohama Rubber Co Ltd:The | Rubber composition for tire, and pneumatic tire using the same |
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| WO2017047472A1 (en) * | 2015-09-18 | 2017-03-23 | 横浜ゴム株式会社 | Rubber composition for steel cord covering and tire |
| JPWO2017047472A1 (en) * | 2015-09-18 | 2018-07-05 | 横浜ゴム株式会社 | Rubber composition for coating steel cord and tire |
| CN111511579A (en) * | 2017-12-21 | 2020-08-07 | 米其林集团总公司 | Rubber composition crosslinked with diacid and comprising phenolic compound |
| CN111491805B (en) * | 2017-12-21 | 2022-04-26 | 米其林集团总公司 | Diacid-crosslinked rubber compositions comprising phenolic compounds |
| WO2019122586A1 (en) | 2017-12-21 | 2019-06-27 | Compagnie Generale Des Etablissements Michelin | Sulfur-free crosslinked composition comprising a phenolic compound |
| US11572458B2 (en) | 2017-12-21 | 2023-02-07 | Compagnie Generale Des Etablissements Michelin | Diacid-crosslinked rubber composition comprising a phenolic compound |
| US11492458B2 (en) | 2017-12-21 | 2022-11-08 | Compagnie Generale Des Etablissements Michelin | Sulfur-free crosslinked composition comprising a phenolic compound |
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| CN111511579B (en) * | 2017-12-21 | 2022-05-24 | 米其林集团总公司 | Rubber composition crosslinked with diacid and comprising phenolic compound |
| CN111491805A (en) * | 2017-12-21 | 2020-08-04 | 米其林集团总公司 | Diacid-crosslinked rubber compositions comprising phenolic compounds |
| WO2019122587A1 (en) | 2017-12-21 | 2019-06-27 | Compagnie Generale Des Etablissements Michelin | Diacid-crosslinked rubber composition comprising a phenolic compound |
| FR3086297A1 (en) | 2018-09-21 | 2020-03-27 | Compagnie Generale Des Etablissements Michelin | RUBBER COMPOSITION COMPRISING A POLYPHENOLIC COMPOUND |
| CN112739552A (en) * | 2018-09-21 | 2021-04-30 | 米其林集团总公司 | Rubber composition comprising polyphenol compound |
| FR3086295A1 (en) | 2018-09-21 | 2020-03-27 | Compagnie Generale Des Etablissements Michelin | RUBBER COMPOSITION COMPRISING AN EPOXIDE ELASTOMER AND A POLYPHENOLIC COMPOUND |
| WO2020058615A1 (en) | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising an epoxide elastomer and a polyphenolic compound |
| WO2020058613A1 (en) | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising a polyphenolic compound |
| JP2021059623A (en) * | 2019-10-03 | 2021-04-15 | 横浜ゴム株式会社 | Rubber composition for steel cord adhesion and conveyor belt |
| JP7364879B2 (en) | 2019-10-03 | 2023-10-19 | 横浜ゴム株式会社 | Rubber composition for adhering steel cords and conveyor belts |
| WO2021255376A1 (en) | 2020-06-18 | 2021-12-23 | Compagnie Generale Des Etablissements Michelin | Elastomeric composition comprising a phenolic compound and a compound from the monosaccharide family |
| FR3111636A1 (en) | 2020-06-18 | 2021-12-24 | Compagnie Generale Des Etablissements Michelin | Elastomeric composition comprising a phenolic compound and a compound of the ose family |
| FR3127224A1 (en) | 2021-09-23 | 2023-03-24 | Compagnie Generale Des Etablissements Michelin | REINFORCED PRODUCT COMPRISING A RUBBER COMPOSITION BASED ON A POLYPHENOLIC COMPOUND, A GUANIDINE AND AT LEAST ONE PEROXIDE COMPOUND |
| WO2023047046A1 (en) | 2021-09-23 | 2023-03-30 | Compagnie Generale Des Etablissements Michelin | Reinforced product comprising a rubber composition based on a polyphenolic compound, a guanidine and at least one peroxide compound |
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