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丁苯橡胶与高抗冲聚苯乙烯的区别

2025年04月06日 12:08

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网友（1）：

你好楼主：
是可以这么理解，其实是因为丁苯橡胶内含有和天然橡胶内异戊二烯的顺式聚合物（即顺式聚异戊二烯）成分差不多的1-3丁二烯，异戊二烯是天然橡胶或其胶乳的基本组分。
高抗冲聚苯乙烯是通过在聚苯乙烯中添加聚丁基橡胶颗粒的办法生产的一种抗冲击的聚苯乙烯产品。这种聚苯乙烯产品会添加微米级橡胶颗粒并通过枝接的办法把聚苯乙烯和橡胶颗粒连接在一起。当受到冲击时，裂纹扩展的尖端应力会被相对柔软的橡胶颗粒释放掉。因此裂纹的扩展受到阻碍，抗冲击性得到了提高。丁苯橡胶只是丁二烯与苯乙烯的无规共聚物。其物理机构性能，加工性能及制品的使用性能接近于天然橡胶，添加剂里面不含有抗震特性，反倒是在高温跟耐磨方面性能很好！

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