STUDY ON RADIATION CROSSLINKING OF PVC INSULATION MATERIALS PART Ⅱ DGDA EFFECT

Zhou Jichun; Zhu Zhenkang; Shi Songyuan; Feng Youfang; Liu Yuming; Zhao Yizheng; Ren Huifang; Chen Xianwei; Zhao Jie; Chen Jiancong; Yin Xiufeng

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STUDY ON RADIATION CROSSLINKING OF PVC INSULATION MATERIALS PART Ⅱ DGDA EFFECT

更新时间：2023-04-23

- STUDY ON RADIATION CROSSLINKING OF PVC INSULATION MATERIALS PART Ⅱ DGDA EFFECT
- Journal of Radiation Research and Radiation Processing Vol. 7, Issue 1, Pages: 45-50(1989)
- 作者机构：
  
  1.上海科学技术大学，上海
  2.上海化工厂，上海
- 作者简介：
- 基金信息：
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Zhou Jichun, Zhu Zhenkang, Shi Songyuan, et al. STUDY ON RADIATION CROSSLINKING OF PVC INSULATION MATERIALS PART Ⅱ DGDA EFFECT. [J]. Journal of Radiation Research and Radiation Processing 7(1):45-50(1989)
DOI：

Zhou Jichun, Zhu Zhenkang, Shi Songyuan, et al. STUDY ON RADIATION CROSSLINKING OF PVC INSULATION MATERIALS PART Ⅱ DGDA EFFECT. [J]. Journal of Radiation Research and Radiation Processing 7(1):45-50(1989) DOI：

摘要

本文研究了聚氯乙烯（PVC）在添加一缩二乙二醇二丙烯酸酯双官能团单体（DGDA）条件下的辐射交联效应。辐射初期PVC的交联反应速度较快，当剂量达到40 kGy以后，凝胶含量达到最大值。在相同剂量条件下，PVC的凝胶含量、交联G值随DGDA添加量的增加而提高。,交联PVC比未交联PVC的体积电阻系数有明显的提高，说明PVC辐射交联后的电绝缘性能得到很大改善。交联后，它的机械性能也有一定的提高。,辐射交联PVC的热老化失重比未交联的PVC有较大的减少，而拉伸强度残留率K,1,和断裂伸长率残留率K,2,比未交联的PVC有较大提高，也就是说PVC交联后的耐温性提高了。

Abstract

This paper reports the effect of difunctional monomer, diethylene glycol diacrylate (DGDA) on radiation crosslinking of PVC.,Crosslinking of PVC proceeds very rapidly during the initial period of irradiation. When the dose reaches 40 kGy, it slows down and the gel content tends to level off. Under the same dose condition, PVC gel content and G value increase with increase of the amount of DGDA.,Radiation Crosslinked PVC has a good insulating property and mechanical property.,By comparing crosslinked PVC with uncrosslinked PVC, the loss weight after thermal aging of crosslinked PVC has a great decrease. But the tensile strength after aging (K,1,) and the elongation after aging (K,2,) of crosslinked PVC have a great increase respectively. It was also found that the heat-resisting property of PVC had been improved after being crosslinked.

关键词

辐射引发辐射交联聚氯乙烯一缩二乙二醇二丙烯酸酯凝胶含量

Keywords

RadiationRadiation CrosslinkingPolyvinyl chloride (PVC)Diethylene glycol diacrylate (DGDA)Gel content

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