PROBLEM TO BE SOLVED: To provide a rubber composition that has excellent wear resistance while maintaining excellent low heat generation, and a pneumatic tire prepared therewith.SOLUTION: A rubber composition comprises a diene rubber (A), and an acid-modified polyolefin derivative (B) obtained by making a reaction to occur between an acid-modified polyolefin (b1) and a compound having an amino group (b2) previously, where a content of the acid-modified polyolefin derivative (B) is 1-40 pts.mass relative to the diene rubber (A) 100 pts.mass.SELECTED DRAWING: None
【課題】本発明の課題は、優れた低発熱化を維持しつつ、耐摩耗性が良好となるゴム組成物およびそれを用いた空気入りタイヤを提供することである。【解決手段】ジエン系ゴム(A)と、酸変性ポリオレフィン(b1)およびアミノ基を有する化合物(b2)を予め反応させて得られた酸変性ポリオレフィン誘導体(B)と、を含有し、上記酸変性ポリオレフィン誘導体(B)の含有量が、上記ジエン系ゴム(A)100質量部に対して1〜40質量部である、ゴム組成物。【選択図】なし
RUBBER COMPOSITION AND PNEUMATIC TIRE PREPARED THEREWITH
ゴム組成物およびそれを用いた空気入りタイヤ
2016-09-15
Patent
Elektronische Ressource
Japanisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind |
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