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LIU Hongbo LIN Feng XIAO Wangdong ZHANG Wuying XU Ling

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- Journal of Radiation Research and Radiation Processing Vol. 31, Issue 3, Pages: 9-030303(2013)
- 作者机构：
  
  1. 1（深圳职业技术学院化生学院深圳 518055） 2（深圳市高分子材料改性与加工公共技术服务平台 ),深圳,518055
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LIU Hongbo LIN Feng XIAO Wangdong ZHANG Wuying XU Ling. [J]. Journal of Radiation Research and Radiation Processing 31(3):9-030303(2013)
DOI：

LIU Hongbo LIN Feng XIAO Wangdong ZHANG Wuying XU Ling. [J]. Journal of Radiation Research and Radiation Processing 31(3):9-030303(2013) DOI：

摘要

合成了一系列同时具有双键（光固化）和环氧基团（热固化）的有机硅改性丙烯酸环氧单酯，配制了光-热混杂固化体系。测试了有机硅链段长短对改性丙烯酸环氧单酯光-热混杂固化膜的凝胶率、吸水率、力学性能、体积收缩率和热性能的影响，结果表明：在相同稀释剂条件下，与丙烯酸环氧单酯光-热固化膜相比，有机硅改性丙烯酸环氧单酯光-热固化膜的凝胶率为97％左右，与未改性前相似，断裂强度有所下降，但断裂伸长率由4.8%提高到14.1%，体积收缩率由6.19%下降到4.93%，光-热固化膜的热分解温度有所增加。

Abstract

A series of organosilicon modified epoxy monoacrylates (OMEMA) containing both C=C (UV-curable groups) and epoxy (heat-curable groups) were synthesized, and a number of UV-heat curable systems were prepared. The influence of the length of the organosilicon segment on the gel content, water absorption, mechanical, volume shrinkage and thermal characterizations of UV-heat cured films using modified epoxy monoacrylates as resins were measured. Compared to the epoxy monoacrylates (EMA), UV-heat curable systems with the same active diluents, the gel contents of UV-heat cured films of OMEMA systems were about 97% and was similar to the EMA systems. Its breaking strength decreased. However, the relative elongation UV-heat cured films of OMEMA systems increased from 4.8% to 14.1%, and volume shrinkage was decreased from 6.19% to 4.93%. The decomposition temperature of UV-heat cured films was increased.Cited

关键词

紫外光固化热固化硅改性丙烯酸环氧单酯

Keywords

UV-curableHeat-curableSiliconModifiedEpoxy monoacrylates

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School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic

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