Styrene butadiene rubber (SBR) was cyclized with the aid of cationic catalyst system based on diethylaluminum chloride(Al) and benzyl chloride(RCl).
应用一氯二乙基铝和苄基氯催化剂体系进行了丁苯橡胶的阳离子环化反应。
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It is widely recognized that, in such cases, the particle diameter of rubber (PB latex or SBR latex) greatly governs the impact resistance and processability of the final products.
Solution polymerized styrene-butadiene rubber ( S-SBR ) was fractionated by repeated precipitation method, using redistilled toluene as solvent and ethyl alcohol as precipitant.