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- W1567347439 abstract "通过聚苯乙烯大分子单体与乙烯、丙烯共聚得到的乙丙橡胶(EPR)为主干、聚苯乙烯(PS)为支链的接枝共聚物EPR-g-PS,在无化学交联的情况下,模压样品具有与三元乙丙硫化胶可比拟的强度(PS=37.5％,M_(300％)=113公斤/厘米~2,抗张强度=198公斤/厘米~2,伸长率=705％)。聚苯乙烯含量、平均支链数目和成型条件是影响接枝共聚物力学性能的主要因素。聚苯乙烯微区除了以热塑交联网络起到物理交联作用外,在应力作用下本身还发生非弹性形变,起到补强填料的作用,使EPR-g-PS表现出热塑弹性体的性质。" @default.
- W1567347439 created "2016-06-24" @default.
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- W1567347439 date "1984-06-20" @default.
- W1567347439 modified "2023-09-23" @default.
- W1567347439 title "EPR- g -PS热塑弹性体结构与性能的关系" @default.
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