王奎;李乾波;王冲;黄伟江;田琴;严伟;

• 1:贵阳学院化学与材料工程学院
• 2:贵州建设职业技术学院

摘要(Abstract)：

采用硅烷偶联剂对纳米二氧化硅(SiO2)进行表面改性,制备有机改性纳米二氧化硅(O-SiO2),并与环氧树脂(EP)合成EP/O-SiO2纳米复合材料。利用TG、UL-94垂直燃烧测试和锥形量热测试(CCT)等对EP复合材料的力学性能和阻燃性能进行研究。结果表明:一定量的O-SiO2可以提高复合材料的弹性模量,O-SiO2的添加量为10%时,复合材料的弹性模量最大;O-SiO2的加入可以改善EP的阻燃性能,添加量为20%时,复合材料的阻燃效果最好。

关键词(KeyWords)： 纳米二氧化硅;环氧树脂;阻燃性能;力学性能

Abstract:

Keywords:

基金项目(Foundation): 贵阳市科技局贵阳学院专项资金（GYU-KY-[2021]）;; 贵州省教育厅创新群体项目（黔教合KY字[2020]024）;; 贵州省“千”层次创新型人才项目（黔人领发[2020]04）

作者(Authors): 王奎;李乾波;王冲;黄伟江;田琴;严伟;

DOI: 10.15925/j.cnki.issn1005-3360.2021.08.010

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