To provide a rubber composition enhancing abrasion resistance while suppressing reduction of on-ice performance to minimum, a vulcanizate and a tire.SOLUTION: There are provided a rubber composition containing a rubber component (A) containing a natural rubber of 30 mass% or more and a modified diene polymer of 20 mass% or more, a linear polyalcohol (B) of prescribed amount based on the rubber component (A), a foaming agent (C), and a filler (D), a vulcanizate by vulcanizing the rubber composition, and a tire using them.SELECTED DRAWING: None
【課題】氷上性能の低下を最小限に抑制しながら、耐摩耗性を向上するゴム組成物、加硫ゴム及びタイヤを提供すること。【解決手段】天然ゴム30質量%以上、及び変性ジエン系重合体20質量%以上を含むゴム成分(A)と、該ゴム成分(A)に対して所定量の直鎖状多価アルコール(B)及び発泡剤(C)を含み、かつ充填剤(D)を含むゴム組成物、該ゴム組成物を加硫してなる加硫ゴム、並びにこれらを用いたタイヤである。【選択図】なし
RUBBER COMPOSITION, VULCANIZATE AND TIRE
ゴム組成物、加硫ゴム及びタイヤ
2019-06-24
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / 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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