应用化学 ›› 1990, Vol. 0 ›› Issue (1): 38-42.

• 研究论文 • 上一篇    下一篇

顺丁橡胶/低密度聚乙烯的共混

高歌, 殷敬华, 黄葆同   

  1. 中国科学院长春应用化学研究所 长春 130022
  • 收稿日期:1989-04-05 修回日期:1989-07-25 出版日期:1990-02-10 发布日期:1990-02-10

STUDY ON BLENDS OF POLY(CIS-1,4-BUTADIENE)AND LOW DENSITY POLYETHYLENE

Gao Ge, Yin Jinghua, Huang Baotong   

  1. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022
  • Received:1989-04-05 Revised:1989-07-25 Published:1990-02-10 Online:1990-02-10

摘要: 比较了未交联和动态交联不同组成PB/LDPE共混物的力学性能。共混物的TgTmTd不随组成而变化,表明PB和LDPE不具有相容性。但共混物中PE的γ转变向高温方向位移,说明PE非晶部分的分子短链和PB有界面相互作用。形态研究表明,未交联体系中量多的组份形成连续相,动态交联体系在PB/LDPE≤70/30时,PE呈连续相,交联的PB为分散相。

关键词: 聚丁二烯, 低密度聚乙烯, 共混, 动态交联

Abstract: The mechanical properties, dynamic mechanical and thermal behavior, crystalline structure and morphology of PB/LDPE blends were investigated. Comparison of the propertiesof uncured and dynamically cured blends of various compositions showed that the PB/LDPE blend system is incompatible.

Key words: polybutadiene, polyethylene, blend, dynamic vulcanization