Keywords tungsten catalyst system;butadiene;styrene;solution polymerization;copolymer;microstructure;Ziegler-Natta catalyst;catalytic activity;

• 钨系催化体系;丁二烯;苯乙烯;溶液聚合;共聚物;微观结构;齐格勒-纳塔催化剂;催化活性;