双酚A型环氧树脂中二氧化硅的分散性研究

doi:1004-7018（2020）02-0060-03

微特电机 ›› 2020, Vol. 48 ›› Issue (2): 60-62.doi: 1004-7018（2020）02-0060-03

• 生产技术 • 上一篇

双酚A型环氧树脂中二氧化硅的分散性研究

冯旭,章晨,王永艳

中国电子科技集团公司第二十一研究所,上海 200233

收稿日期:2019-09-06 出版日期:2020-02-28 发布日期:2020-02-28

Dispersion Study of Silica in Bisphenol A Type Expoxy Resin

FENG Xu,ZHANG Chen,WANG Yong-yan

No.21 Research Institute of CETC,Shanghai 200233,China

Received:2019-09-06 Online:2020-02-28 Published:2020-02-28

摘要/Abstract

摘要：

采用了悬浮实验,粒径分析等手段,研究不同分散剂在环氧树脂中对 SiO₂颗粒的分散效果,并进行了比较。结果表明,用丙烯酸类三元共聚物作为分散剂,树脂中SiO₂的沉降明显降低,粒径最小,悬浮率达到97.20%,有效控制了直流力矩电机环氧浇注后的浇注材料分层现象。

关键词: 二氧化硅, 分散剂, 环氧树脂

Abstract:

The experiment of suspension and particle size analysis were conducted to study different dispersing agent in epoxy resin on the SiO₂ dispersion effect.The results show that,with three acrylic copolymer as dispersing agent,settlement of SiO₂ in the resin was decreased and the particle size was the smallest,the suspension rate was up to 97.20%,which effectively control the casting material of epoxy casting after stratification for DC torque motor.

Key words: silica, dispersion, expoxy resin

中图分类号:

TM305

冯旭,章晨,王永艳. 双酚A型环氧树脂中二氧化硅的分散性研究[J]. 微特电机, 2020, 48(2): 60-62.

FENG Xu,ZHANG Chen,WANG Yong-yan. Dispersion Study of Silica in Bisphenol A Type Expoxy Resin[J]. Small & Special Electrical Machines, 2020, 48(2): 60-62.

双酚A型环氧树脂中二氧化硅的分散性研究

Dispersion Study of Silica in Bisphenol A Type Expoxy Resin

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