有机硅改性丙烯酸环氧单酯光-热混杂固化体系的表面性能

doi:10.7517/j.issn.1674-0475.2013.02.005

影像科学与光化学 ›› 2013, Vol. 31 ›› Issue (2): 125-131.DOI: 10.7517/j.issn.1674-0475.2013.02.005

有机硅改性丙烯酸环氧单酯光-热混杂固化体系的表面性能

刘红波^1,2, 林峰^1,2, 肖望东^1,2, 徐玲¹, 张武英¹

1. 深圳职业技术学院化生学院, 广东深圳 518055;
2. 深圳市高分子材料改性与加工公共技术服务平台, 广东深圳 518055

收稿日期:2012-05-30 修回日期:2012-09-24 出版日期:2013-03-15 发布日期:2013-03-15
通讯作者: 刘红波(1976-),男,高级工程师,主要从事光固化树脂合成与性能研究,E-mail:hbliu@gic.ac.cn.
基金资助:
深圳职业技术学院重点项目(2212K3070002); 深圳市科技计划项目资助(CXZZ201206 17142637531).

Surface Properties of UV-Heat Cured Films of Organosilicon Modified Epoxy Monoacrylates

LIU Hong-bo^1,2, LIN Feng^1,2, XIAO Wang-dong^1,2, XU Ling¹, ZHANG Wu-ying¹

1. School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen 518055, Guangdong, P.R. China;
2. Shenzhen Public Technology Service Platform of Modification and Processing of Polymer Materials, Shenzhen 518055, Guangdong, P.R. China

Received:2012-05-30 Revised:2012-09-24 Online:2013-03-15 Published:2013-03-15

摘要/Abstract

摘要： 以有机硅改性丙烯酸环氧单酯为树脂配制了一系列紫外光-热混杂固化体系.通过FTIR表征了光-热固化过程双键和环氧特征吸收峰的变化.研究了不同的稀释剂对光固化和光-热混杂固化膜的凝胶率、吸水率、表面水接触角等性能的影响,并用能谱仪(EDS)测试了固化膜表面硅元素的含量.结果表明:光固化膜的凝胶率低于86.5%,而光-热混杂固化膜的凝胶率在97.0%左右.与丙烯酸环氧单酯光-热固化体系相比,有机硅改性丙烯酸环氧单酯光-热固化膜的表面水接触角有显著提高,由62.53°提高到99.27°,EDS测试也表明有机硅有富集于固化膜表面的特性.

关键词: 紫外光固化, 热固化, 有机硅, 改性, 丙烯酸环氧单酯

Abstract: A series of UV-heat hybrid curable compositions were prepared by using organosilicon modified epoxy monoacrylates (OMEMA) as resins. The change of absorption peaks of double bond and epoxy group were identified by FTIR spectra during UV-heat curing process. The influence of different kinds and content of active diluents on the gel content, water absorption and water contact angle of UV-heat cured films were investigated. Mass content of Si in surface of UV-heat cured films was tested by the energy dispersive spectrometer(EDS). The gel contents of UV cured films were lower than 86.5%, and the gel contents of UV-heat cured films were about 97%. Compared to the epoxy monoacrylates (EMA) compositions with same active diluents, the water contact angle of UV-heat cured films of OMEMA system was increased from 62.53 to 99.27. The data of EDS testing proved that the Si content of air side of UV-heat cured films was higher than glass side.

Key words: UV-curable, heat-curable, organosilicon, modified, epoxy monoacrylates

中图分类号:

刘红波, 林峰, 肖望东, 徐玲, 张武英. 有机硅改性丙烯酸环氧单酯光-热混杂固化体系的表面性能[J]. 影像科学与光化学, 2013, 31(2): 125-131.

LIU Hong-bo, LIN Feng, XIAO Wang-dong, XU Ling, ZHANG Wu-ying. Surface Properties of UV-Heat Cured Films of Organosilicon Modified Epoxy Monoacrylates[J]. Imaging Science and Photochemistry, 2013, 31(2): 125-131.

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有机硅改性丙烯酸环氧单酯光-热混杂固化体系的表面性能

Surface Properties of UV-Heat Cured Films of Organosilicon Modified Epoxy Monoacrylates

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