纳米SiO2改性苯基缩水甘油醚丙烯酸酯的紫外光固化性能研究

doi:10.7517/issn.1674-0475.190410

影像科学与光化学 ›› 2019, Vol. 37 ›› Issue (4): 304-314.DOI: 10.7517/issn.1674-0475.190410

纳米SiO₂改性苯基缩水甘油醚丙烯酸酯的紫外光固化性能研究

吴保林, 黄笔武, 杜志鹏, 雍涛, 韩琳琳

南昌大学材料科学与工程学院, 江西南昌 330031

收稿日期:2019-04-26 出版日期:2019-07-15 发布日期:2019-07-15
通讯作者: 黄笔武
基金资助:
国家自然科学基金项目（51563017）

Study on UV-curing Properties of Phenyl Glycidyl Ether Acrylate Modified by Nano-SiO₂

WU Baolin, HUANG Biwu, DU Zhipeng, YONG Tao, HAN Linlin

School of Material Science and Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China

Received:2019-04-26 Online:2019-07-15 Published:2019-07-15
Supported by:
National Natural Science Foundation of China (51563017)

摘要/Abstract

摘要： 以苯基缩水甘油醚（PGE）和丙烯酸（AA）为原料，三苯基膦为催化剂，4-甲氧基苯酚为抑制剂，合成了一种新型光敏预聚物苯基缩水甘油醚丙烯酸酯（PGEA）。然后用十六烷基三甲基溴化铵处理纳米SiO₂，并用硅烷偶联剂γ-甲基丙烯酰氧基丙基三甲氧基硅烷（KH-570）进行表面改性，并加入到预聚物PGEA中，制成紫外纳米复合涂层。用扫描电子显微镜（SEM）发现涂层含量小于5%时，改性纳米SiO₂的分散效果较好。用扫描原子力显微镜（AFM）观察到固化膜表面光滑。而适量的改性纳米SiO₂可以提高紫外光固化材料的拉伸强度、伸长率和冲击强度。

关键词: UV固化, 苯基缩水甘油醚丙烯酸酯, 纳米SiO₂, 硅烷偶联剂

Abstract: A new photosensitive prepolymer phenyl glycidyl ether acrylate (PGEA) was synthesized from phenyl glycidyl ether (PGE) and acrylic acid (AA) as raw materials, triphenylphosphine as the catalyst and 4-methoxy phenol as the inhibitor. Then, nano-SiO₂ was treated with cetyltrimethylammonium bromide and surface-modified with silane coupling agent γ-meth-acryloxypropyltrimethoxysilane (KH-570), and added to the synthetic prepolymer PGEA, formulated as UV nanocomposite coating.By scanning electron microscopy (SEM) observation, it was found that the dispersion of modified nano-SiO₂ was better when its content of the coating was less than 5%. Scanning atomic force microscope (AFM) observation showed that the surface of curing film was smooth. And the modified nano-SiO₂ in a appropriate amount can improve the tensile strength, elongation and impact strength of the UV-curing materials.

Key words: UV-curing, phenyl glycidyl ether acrylate, nano-SiO₂, silane coupling agent

吴保林, 黄笔武, 杜志鹏, 雍涛, 韩琳琳. 纳米SiO₂改性苯基缩水甘油醚丙烯酸酯的紫外光固化性能研究[J]. 影像科学与光化学, 2019, 37(4): 304-314.

WU Baolin, HUANG Biwu, DU Zhipeng, YONG Tao, HAN Linlin. Study on UV-curing Properties of Phenyl Glycidyl Ether Acrylate Modified by Nano-SiO₂[J]. Imaging Science and Photochemistry, 2019, 37(4): 304-314.

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纳米SiO₂改性苯基缩水甘油醚丙烯酸酯的紫外光固化性能研究

Study on UV-curing Properties of Phenyl Glycidyl Ether Acrylate Modified by Nano-SiO₂

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