유리 전이 온도가 -120~-90℃인 말단 변성기 함유 고리형 올레핀 개환 중합체 15~55 중량%와, 유리 전이 온도가 -60~-10℃이고, 방향족 비닐 단량체 단위의 함유 비율이 30 중량% 초과, 50 중량% 이하인 말단 변성기 함유 용액 중합 공액 디엔계 중합체 45~85 중량%를 포함하는 고무 성분과, 실리카와, 모노술파이드기 및/또는 티올기를 포함하는 실란 커플링제를 함유하고, 상기 고무 성분 100 중량부에 대한, 상기 실리카의 함유량이 30~200 중량부이며, 상기 실리카 100 중량부에 대한, 상기 모노술파이드기 및/또는 티올기를 포함하는 실란 커플링제의 함유량이 0.3~20 중량부인 타이어용 고무 조성물을 제공한다.
Provided is a rubber composition for a tire containing a rubber component including 15 to 55 wt% of an end modified group-containing cycloolefin ring-opening polymer having a glass transition temperature of -120 to -90°C and 45 to 85 wt% of an end modified group-containing solution polymerized conjugated diene polymer having a glass transition temperature of -60 to -10°C and having an aromatic vinyl monomer unit content ratio of more than 30 wt% and 50 wt% or less, a silica, and a silane coupling agent including a monosulfide group and/or a thiol group, wherein the content of the silica with respect to 100 parts by weight of the rubber component is 30 to 200 parts by weight, and the content of the silane coupling agent including a monosulfide group and/or a thiol group with respect to 100 parts by weight of the silica is 0.3 to 20 parts by weight.
RUBBER COMPOSITION FOR TIRE
타이어용 고무 조성물
2017-06-28
Patent
Elektronische Ressource
Koreanisch
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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