TIRE TREAD RUBBER COMPOSITION HAVING AN IMPROVED WEAR RESISTANCE

• Main Authors: JOO, YONG TAE, CHO, HYUN CHUL
• Format: Patent
• Language: English; Korean
• Published: 13.01.2016
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VEHICLE TYRES; VEHICLES IN GENERAL

The present invention relates to a rubber composition which is used in a tire tread and has enhanced wear resistance. The rubber composition of the present invention comprises: 30-70 parts by weight of silica; 5-30 parts by weight of a process oil; 10-70 wt% of a filler; 1-5 parts by weight of a silane coupling agent; 1-3 parts by weight of a vulcanizing agent; 1-5 parts by weight of a vulcanization accelerator; and 1-10 parts by weight of a vulcanization activator, with respect to 100 parts by weight of rubber containing 80-99 wt% of styrene-butadiene rubber (SBR) and 1-20 wt% of liquid acrylonitrile butadiene rubber (NBR). 본 발명은 내마모성능이 향상된 타이어 트레드 고무 조성물에 관한 것으로서, 본 발명의 타이어 트레드 고무 조성물은 스티렌 부타디엔 고무(SBR) 80 내지 99 중량% 및 액상 아크릴로니트릴 부타디엔 고무 (NBR) 1 내지 20 중량%를 포함하는 고무 100 중량부에 대하여, 실리카 30 내지 70 중량부; 프로세스 오일 5 내지 30 중량부; 충전제 10 내지 70 중량부; 실란 커플링제 1 내지 5 중량부; 가황제 1 내지 3 중량부; 가황촉진제 1 내지 5 중량부; 및 가황활성제 1 내지 10 중량부;를 포함한다.