STUDY ON PHOTOCROSSLINKING OF POLYVINYL CHLORIDE (PVC) Ⅰ. THE CROSSLINKING REACTION OF PVC WITH PHOTOINITIATOR AND CROSSLINKING AGENT

Liu Jingbin; Lu Xianliang; Cao Jin

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STUDY ON PHOTOCROSSLINKING OF POLYVINYL CHLORIDE (PVC) Ⅰ. THE CROSSLINKING REACTION OF PVC WITH PHOTOINITIATOR AND CROSSLINKING AGENT

更新时间：2023-04-23

- STUDY ON PHOTOCROSSLINKING OF POLYVINYL CHLORIDE (PVC) Ⅰ. THE CROSSLINKING REACTION OF PVC WITH PHOTOINITIATOR AND CROSSLINKING AGENT
- Journal of Radiation Research and Radiation Processing Vol. 11, Issue 1, Pages: 11-17(1993)
- 作者机构：
  
  1.华东化工学院，上海　200237
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Liu Jingbin, Lu Xianliang, Cao Jin. STUDY ON PHOTOCROSSLINKING OF POLYVINYL CHLORIDE (PVC) Ⅰ. THE CROSSLINKING REACTION OF PVC WITH PHOTOINITIATOR AND CROSSLINKING AGENT. [J]. Journal of Radiation Research and Radiation Processing 11(1):11-17(1993)
DOI：

Liu Jingbin, Lu Xianliang, Cao Jin. STUDY ON PHOTOCROSSLINKING OF POLYVINYL CHLORIDE (PVC) Ⅰ. THE CROSSLINKING REACTION OF PVC WITH PHOTOINITIATOR AND CROSSLINKING AGENT. [J]. Journal of Radiation Research and Radiation Processing 11(1):11-17(1993) DOI：

摘要

在以二苯甲酮（BP）为光敏剂，三羟甲基丙烷三甲基丙烯酸酯（TMPTMA）为交联剂存在下，研究了聚氯乙烯的紫外辐射交联过程；考察了光敏剂和交联剂的用量、光辐照温度、光照时间、光照气氛和增塑剂等因素对交联过程的影响。发现其凝胶产率随辐照时间的延长和交联剂用量的增加而增大，辐照温度较高、交联剂用量大则交联密度也较大，增塑剂能促进交联反应的进行。

Abstract

The photocrosslinking of PVC with benzophenone as photoinitiator and trimethylolpropanetrimethacrylate (TMPTMA) as crosslinking agent has been examined. Various factors affecting the crosslinking process (the concentration of photoinitiator and crosslinking agent, irradiation temperature and time, atmosphere, plasticizer) were investigated. Gel yield increased with increased irradiation time and TMPTMA content. Crosslink density increased at higher irradiation temperature and TMPTMA content. The rates of PVC crosslinking reaction were enhanced with the plasticizer.

关键词

聚氯乙烯紫外光辐照光交联交联剂光敏剂

Keywords

Polyvinyl chlorideUV-irradiationPhotocrosslinkingPhotoinitiatorCrosslinking agent

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