To provide a rubber composition capable of improving on-ice performance of a tire and excellent in workability, and a vulcanized rubber capable of improving on-ice performance of a tire and excellent in productivity.SOLUTION: The rubber composition contains a rubber component containing a diene rubber, an inorganic foaming agent, and an organic acid. The organic acid has an SP value of 9.15-16.0 (cal/cm3)1/2. The vulcanized rubber is obtained by vulcanizing the rubber composition and has a foaming rate of 1-45%.SELECTED DRAWING: None
【課題】タイヤの氷上性能を向上させることが可能で作業性に優れるゴム組成物、並びに、タイヤの氷上性能を向上させることが可能で生産性に優れた加硫ゴムを提供する。【解決手段】ジエン系ゴムを含むゴム成分と、無機発泡剤と、有機酸と、を含むゴム組成物であって、前記有機酸のSP値が、9.15~16.0(cal/cm3)1/2であることを特徴とするゴム組成物、並びに、該ゴム組成物を加硫してなり、発泡率が1~45%であることを特徴とする加硫ゴムである。【選択図】なし
RUBBER COMPOSITION, VULCANIZED RUBBER, TREAD RUBBER FOR TIRE, AND TIRE
ゴム組成物、加硫ゴム、タイヤ用トレッドゴム及びタイヤ
2022-02-10
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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