Application of acylphosphine oxide photoinitiator in the synthesis of super absorbent resin by UV photopolymerization

RUAN Weiqing; QIAO Jinliang; HUANG Yuli; NIU Aijie

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Application of acylphosphine oxide photoinitiator in the synthesis of super absorbent resin by UV photopolymerization

更新时间：2023-03-30

- Application of acylphosphine oxide photoinitiator in the synthesis of super absorbent resin by UV photopolymerization
- Journal of Radiation Research and Radiation Processing Vol. 22, Issue 4, Pages: 213-218(2004)
- 作者机构：
  
  1.北京化工大学材料科学与工程学院　北京　100029
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RUAN Weiqing, QIAO Jinliang, HUANG Yuli, et al. Application of acylphosphine oxide photoinitiator in the synthesis of super absorbent resin by UV photopolymerization. [J]. Journal of Radiation Research and Radiation Processing 22(4):213-218(2004)
DOI：

RUAN Weiqing, QIAO Jinliang, HUANG Yuli, et al. Application of acylphosphine oxide photoinitiator in the synthesis of super absorbent resin by UV photopolymerization. [J]. Journal of Radiation Research and Radiation Processing 22(4):213-218(2004) DOI：

摘要

介绍了Irgacure 819、Irgacure 1800和Irgacure 1700三种新型的酰基膦氧化物光引发剂，用紫外-可见分光光度等方法探讨了其结构及光分解的机理。这三种高效的光引发剂可用于紫外光（UV）光聚合法合成聚丙烯酸-丙烯酸铵高吸水树脂。对曝光时间和光引发剂含量对树脂的吸水性能的影响进行了综合比较。以Irgacure 1700为光引发剂，UV光聚合法合成的高吸水性树脂，其吸水率最高可达835mL/g，交联率达到94.5%。

Abstract

In this paper, three typical acylphosphine oxide photoinitiators (Irgacure 819, Irgacure 1800 and Irgacure 1700) were introduced, and their structure and photolysis mechanism were studied by ultraviolet-visible spectrophotometry. These photoinitiators were used in the synthesis of super absorbent resin (SAR) by UV photopolymerization. The effects of exposure time and content of these photoinitiators on water absorbent properties of SAR were studied. Use Irgacure 1700 as photoinitiator, the water absorbency of the SAR prepared by UV photopolymerization of acrylic acid and ammonium acrylate reaches 835mL/g, and the crosslinking ratio reaches 94.5%.

关键词

酰基膦光引发剂紫外光聚合高吸水性树脂紫外−可见分光光度法

Keywords

Acylphosphine oxide photoinitiatorUV photopolymerizationSuper absorbent resinultravio let-visible spectrophotometry

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The effect of photoinitiators on synthesis of super-absorbent resin by uv photopolymerization

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Beijing University of Chemical Technology, College of Material Science and Engineering

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