RADIATION EFFECTS ON THE BLENDS OF POLYISOBUTYLENE

Zhang Wanxi; Wang Hong; Sun Jiazhen

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RADIATION EFFECTS ON THE BLENDS OF POLYISOBUTYLENE

更新时间：2023-04-23

- RADIATION EFFECTS ON THE BLENDS OF POLYISOBUTYLENE
- Journal of Radiation Research and Radiation Processing Vol. 9, Issue 1, Pages: 23-27(1991)
- 作者机构：
  
  1.中国科学院长春应用化学研究所，长春
- 作者简介：
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Zhang Wanxi, Wang Hong, Sun Jiazhen. RADIATION EFFECTS ON THE BLENDS OF POLYISOBUTYLENE. [J]. Journal of Radiation Research and Radiation Processing 9(1):23-27(1991)
DOI：

Zhang Wanxi, Wang Hong, Sun Jiazhen. RADIATION EFFECTS ON THE BLENDS OF POLYISOBUTYLENE. [J]. Journal of Radiation Research and Radiation Processing 9(1):23-27(1991) DOI：

摘要

本文研究了聚异丁烯（PIB）与聚乙烯（PE）、乙烯-醋酸乙烯酯共聚物（EVA）、丁苯橡胶（SBR）、乙丙橡胶（EPR）、1，2-聚丁二烯（1,2-PB）共混物的辐射效应。发现聚异丁烯与EPR的机械共混物，经辐照后共混物中的PIB发生交联，而且交联是在一定辐照剂量和组成比范围内发生的。当聚异丁烯含量为70%时交联度最高。聚异丁烯与PE、1,2-PB的共混物中的聚异丁烯只发生了部分交联，而它与其它聚合物的共混物经辐照后共混物中的聚异丁烯仍然发生裂解。

Abstract

In this paper, the radiation effects on the blends of polyisobutylene with polyethylene, EVA, SBR,EPR and 1,2-Polybutadiene have been studied. It was found that radiation crosslinking take place in the melt mixing PIB/EPR blend at the range of R=4×10,4, - 3×10,5, Gy and PIB%=50—80 and when the content of PIB in the blend reach 70%, the crosslinking density of PIB is the largest. PIB in PIB/PE and PIB/1,2-PB blends produce a little crosslinking, while PIB in the blends of PIB with the other polymers take place degradation after irradiation.

关键词

聚异丁烯聚乙烯EPR辐射交联辐射裂解

Keywords

PolyisobutylenePolyethyleneEPRRadiation crosslinkingRadiation degradation

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