A polycarbodiimide having excellent heat resistance and humidity resistance, which comprises a structural unit represented by the following formula (A)
(̵ R-N=C=N )̵n (A)
wherein R represents a divalent organic group represented by any one of the following formulae (I) and (II), n is an integer of 2 to 400
wherein X1 to X4 independently represent a hydrogen or an alkyl group having 1 to 3 carbon atoms.
Resin for optical-semiconductor element encapsulation
申请人:NITTO DENKO CORPORATION
公开号:EP1621563A1
公开(公告)日:2006-02-01
The present invention provides a resin for encapsulating an optical-semiconductor element, comprising a polycarbodiimide represented by the following general formula (1):
wherein R represents a diisocyanate residue, provided that at least one of the n pieces of the R groups is a diisocyanate residue having the framework represented by the following structural formula (2);
R1 represents a monoisocyanate residue; and n is an integer of 1 to 100.
本发明提供了一种用于封装光学半导体元件的树脂,该树脂由以下通式 (1) 所代表的聚碳二亚胺组成:
其中 R 代表二异氰酸酯残基,条件是 n 个 R 基团中至少有一个是二异氰酸酯残基,其框架由以下结构式(2)表示;
R1 代表单异氰酸酯残基;n 为 1 至 100 的整数。
Polycarbodiimide compositions for optical use
申请人:NITTO DENKO CORPORATION
公开号:EP1647561A2
公开(公告)日:2006-04-19
The present invention provides a resin composition for optical use which comprises a phenolic compound and a polycarbodiimide represented by the following general formula (1):
wherein R represents a diisocyanate residue, R1 represents a monoisocyanate residue, and n is an integer of 1 to 100, wherein the phenolic compound has a substituent at at least one of the ortho positions to its phenolic hydroxyl group. Also disclosed are a resin sheet for obtained from the resin composition and an optical semiconductor device using the resin composition or the resin sheet.
本发明提供了一种光学用树脂组合物,它由酚类化合物和聚碳二亚胺组成,其通式如下(1):
其中 R 代表二异氰酸酯残基,R1 代表单异氰酸酯残基,n 为 1 至 100 的整数,其中酚类化合物在其酚羟基的至少一个正交位置上具有取代基。此外,还公开了由该树脂组合物制得的树脂片和使用该树脂组合物或该树脂片的光学半导体器件。
Resin composition for optical use
申请人:Uwada Kazuki
公开号:US20060084766A1
公开(公告)日:2006-04-20
The present invention provides a resin composition for optical use which comprises a phenolic compound and a polycarbodiimide represented by the following general formula (1):
wherein R represents a diisocyanate residue, R
1
represents a monoisocyanate residue, and n is an integer of 1 to 100, wherein the phenolic compound has a substituent at at least one of the ortho positions to its phenolic hydroxyl group. Also disclosed are a resin sheet for obtained from the resin composition and an optical semiconductor device using the resin composition or the resin sheet.