RUBBER COMPOSITION FOR TIRES

To provide a rubber composition for tires which improves fatigue resistance, ozone resistance and thermal aging resistance while achieving both of rubber hardness and low heat generation.SOLUTION: In a rubber composition for tires, 100 pts.mass of a diene rubber containing 10 mass% or more of isopre...

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Bibliographische Detailangaben
1. Verfasser:	KITAMURA OMIMASA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	To provide a rubber composition for tires which improves fatigue resistance, ozone resistance and thermal aging resistance while achieving both of rubber hardness and low heat generation.SOLUTION: In a rubber composition for tires, 100 pts.mass of a diene rubber containing 10 mass% or more of isoprene rubber and 10 mass% or more of hydrogenated aromatic vinyl-conjugated diene copolymers, is blended with 10 pts.mass or more of silica with a CTAB specific surface area of 60-100 m2/g.SELECTED DRAWING: None 【課題】ゴム硬度および低発熱性を両立しながら、耐疲労性、耐オゾン性および耐熱老化性を優れたものにするようにしたタイヤ用ゴム組成物を提供する。【解決手段】イソプレン系ゴムを１０質量％以上および水添芳香族ビニル－共役ジエン共重合体を１０質量％以上含むジエン系ゴム１００質量部に、ＣＴＡＢ比表面積が６０～１００ｍ２／ｇであるシリカを１０質量部以上配合したことを特徴とする。【選択図】なし