Provided is a rubber composition for a tire tread which simultaneously improves wet road braking performance, abrasion resistance, and fuel economy performance. The rubber composition for a tire tread according to the present invention comprises: 100 parts by weight of raw rubber; and 90 to 140 parts by weight of a reinforcing filler, wherein the raw rubber comprises: 25 to 65 parts by weight of Gosis neodymium butadiene rubber (Nd-BR); 5 to 45 parts by weight of high functional lithium butadiene rubber (functionalized Li-BR); and 20 to 50 parts by weight of solution polymerization styrene-butadiene rubber.
젖은 노면 제동 성능과 내마모, 연비 성능을 동시에 향상시키는 타이어 트레드용 고무 조성물이 제공된다. 본 발명에 따른 타이어 트레드용 고무 조성물은, 원료 고무 100 중량부; 및 보강성 충진제 90 내지 140 중량부를 포함하되, 상기 원료 고무는, 고시스 네오디뮴 부타디엔 고무(Nd-BR) 25 내지 65 중량부, 고기능성 리튬 부타디엔 고무(functionalized Li-BR) 5 내지 45중량부, 및 용액 중합 스티렌-부타디엔 고무 20 내지 50중량부를 포함한다.
RUBBER COMPOSITION FOR TIRE TREAD AND TIRE COMPRISING THE RUBBER COMPOSITION
타이어 트레드용 고무 조성물 및 이를 포함하는 타이어
05.04.2022
Patent
Elektronische Ressource
Koreanisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / 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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