Studies on UV-Stable silicone-epoxy resins

被引：67

作者：

Huang, Wei ^{[1
]}

Zhang, Ying ^{[1
]}

Yu, Yunzhao ^{[1
]}

Yuan, Youxue ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2007年 / 104卷 / 06期

关键词：

silicone-epoxy resin; curing; UV stability; packaging material;

D O I：

10.1002/app.26188

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Silicone-epoxy resins were synthesized through hydrosilylation of 1,2-epoxy-4-vinyl-cyclohexane with 1,3,5,7-tetramethycyclotetrasiloxane. The silicone-epoxy resins showed high reactivity in the presence of aluminum complex/silanol compound catalysts. Curing of the resins was effected at extremely low concentrations of the aluminum acetylacetonate/Ph2Si(OH)(2) catalyst to give hard materials with optical clarity. For the silicone-epoxy resins containing Si-H bonds, Al(acac)(3) alone is effective for the curing. The cured silicone-epoxy resins showed excellent UV resistance. An improvement in the lifetime of UV-LEDs was achieved using the silicme-epoxy compositions as encapsulant. (C) 2007 Wiley Periodicals, Inc.

引用

页码：3954 / 3959

页数：6

共 23 条

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