文章摘要
Formulation Design and Properties of Sidewall Stocks in PCR Tires withHigh Fatigue Resistance
Received:February 22, 2017  Revised:February 22, 2017
DOI：
Key Words: trans-1,4-poly(butadiene-co-isoprene) copolymer rubbers (TBIR); NR/BR blends; high performance tire; sidewall stocks; crack-growth resistance
Author NameAffiliationE-mail
WANG Hao Chambroad Chemical Industry Institute Co., Ltd. kedawanghao@163.com 
SONG Li-yuan Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization,Key Laboratory of Rubber-plastics of Ministry of Education,School of Polymer Science and Engineering,Qingdao University of Science and Technology  
WANG Ri-guo Shandong Huaju Polymer Material Co,SLtd  
He Ai-hua* Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization,Key Laboratory of Rubber-plastics of Ministry of Education,School of Polymer Science and Engineering,Qingdao University of Science and Technology aihuahe@iccas.ac.cn 
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Abstract:
      The crystalline behavior, processing performance of two different trans-1,4-poly(butadiene-co-isoprene) copolymer rubbers (TBIR) and properties of sidewall stock of PCR tire utilized with TBIR were studied. It was found that, compared with trans-1,4-polyisoprene (TPI), TBIR showed a weaker crystallization performance and a lower glass-transition temperature (Tg). Compared with nature rubber (NR) and cis-1,4-polybutadiene rubber (BR), TBIR presented improved processing properties. Compared with NR, BR and TPI, TBIR demonstrated excellent hot oxygen ageing resistance. Compared with NR/BR and NR/BR/TPI vulcanizates, NR/BR/TBIR(45/35/20) vulcanizates showed excellent physical and mechanical properties, lower heat built-up and outstanding crack-growth resistance. So TBIR was a novel synthesis rubber for high performance tire sidewall.
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