Citation: WANG Yan, CHEN Weijie, MU Ruifeng, WANG Yongwei, YU Fengnian, LIU Qing. STUDY ON STYRENE-BUTADIENE BLOCK COPOLYMER FOR THE MODIFICATI0N OF TIRE TREAD[J]. Chinese Journal of Polymer Science, ;1996, 14(1): 34-40. shu

STUDY ON STYRENE-BUTADIENE BLOCK COPOLYMER FOR THE MODIFICATI0N OF TIRE TREAD

Received Date: 5 September 1994

This paper mainly deals with the design and synthesis of a novel styrene-butadieneblock copolymer. When this copolymer is used in the tread portion of tyres, it can improvewet skid resistance and reduce rolling resistance without sacrificing its general physical-mechanical properties. The visco-elastic curve of tire tread using the novel copolymer asits rubber portion was showed. Reactivity ratios for two monomers in the polymerizingsystem were calculated. The diagrams of differelitial, integral and finite difference calculi thronghout the whole melecular chain were presented.The influence of the micro- and macro-structure of the copolymer chain on wet skid resistance and rolling resistance was discussed.
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