中华医学超声杂志

应用化学 ›› 1993, Vol. 0 ›› Issue (3): 24-27.

• 研究论文 • 上一篇    下一篇

PPC/NBR弹性体的结构与性能

杨向宏, 黄玉惠, 赵树录, 薛巍, 丛广民, 陈立班   

  1. 中国科学院广州化学研究所 510650 广州
  • 收稿日期:1992-05-15 修回日期:1992-11-23 出版日期:1993-06-10 发布日期:1993-06-10
  • 基金资助:
    国家自然科学基金;中国科学院高分子物理开放实验室资助项目

STRUCTURE AND PROPERTY OF PPC/NBR ELASTOMERS

Yang Xianghong, Huang Yuhu, Zhou Shulu, Xue Wei, Cong Guangmin, Chen Liban   

  1. Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650 Guangzhou
  • Received:1992-05-15 Revised:1992-11-23 Published:1993-06-10 Online:1993-06-10

PDF

503

被引次数

5

摘要： 本文研究了聚丙撑碳酸酯(PPC)/丁腈橡胶(NBR)弹性体结构形态、动态力学性能、力学性能、耐油、耐热氧老化及耐化学介质稳定性。发现PPC/NBR弹性体呈现IPN结构特征,加入PPC使NBR拉伸强度、扯断伸长率大幅度提高。PPC/NBR弹陸体具有优良的耐油及耐热氧老化稳定性。

关键词: 丁腈橡胶, 聚丙撑碳酸酯, 共混物, 弹性体, 性能

Abstract: A blend elastomer has been prepared from hydroxyl-terminated polypropylene carbonate (PPC) and nitrile-butadiene rubber(NBR) in the presence of dicumyl peroxide and 2-mercaptobenzimidazole. The dynamic mechanical analysis and TEM photos showed that the PPC/NBR blend has two-phase structure. Its tensile strength and elongation at break were greatly increased. The oil resistance and heat stability of PPC/NBR elastomers are as good as pure NBR elastomer,

Key words: nitrile-butadiene rubber, polypropylene carbonate, blend, elastomer, property

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