Trifluoromethanesulfonic acid-assisted one-pot catalytic synthesis of phenyl silicone resins

被引：0
|
作者：
Chunyan Ma
Junwei Bai
Zhenlong Zhou
Bing Gao
Jianguo Deng
机构：
[1] Institute of Chemical Materials,Pine Ridge Laboratory of Advanced Materials
[2] China Academy of Engineering Physics,undefined
[3] Si Chuan Research Center of New Materials,undefined
[4] Sichuan Easy Scientific Research Community Technology Co.,undefined
[5] Ltd,undefined
[6] Sichuan University,undefined
来源：
Polymer Bulletin | 2022年 / 79卷
关键词：
Phenyl silicone resin; Trifluoromethanesulfonic acid; One-pot method; LED encapsulation;
D O I：
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中图分类号：
学科分类号：
摘要：
A facial one-pot method for the preparation of phenyl silicone resins is introduced. Vinyl end-capped phenyl silicone resin (i) and phenyl hydrosilicone resin (ii) were successfully prepared by selecting trifluoromethanesulfonic acid (TfOH) as the catalyst. The structures and the thermo-optical performances of the resulting resins were investigated by IR, NMR, GPC, TGA and UV–Vis, respectively. The results show that the yield, the transparency and the refractive index for resin (i) are 95%, 90.4% and 1.5253, respectively, and for resin (ii) are 94%, 92.8% and 1.5201, respectively. The properties of the cake obtained by hydrosilylation of resin (i) and (ii) in the ratio of 1:1 for LED chip encapsulation were studied, and the packaging effect was examined preliminarily.
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页码：985 / 1000
页数：15
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