发明名称 |
RESIN COMPOSITION FOR OPTICAL-SEMICONDUCTOR ENCAPSULATION |
摘要 |
A photosemiconductor encapsulating resin composition, excellent in light transmittance, ultraviolet resistance and heat resistance, comprising the following component (A) and component (B): (A): a (meth)acrylic polymer containing an epoxy group, and (B): at least one hardener selected from the group consisting of the following components (b1) to (b4): (b1) a polyvalent carboxylic acid, (b2) a polyvalent carboxylic anhydride, (b3) a reaction product of a polyvalent carboxylic acid with a compound of the following general formula (B-1), and (b4) a reaction product of a polyvalent carboxylic anhydride with a compound of the following general formula (B-2) <CHEM> <CHEM> wherein R<1> to R<6> represent each independently a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, R<3> and R<4> may be bonded to form an alkylene group having 1 to 8 carbon atoms; R<7> represents an alkylene group; a methylene group contained the alkylene group and the alkyl group represented by R<1> to R<7> may be substituted by an ether group and/or carbonyl group; Y<1> and Y<2> represent each independently an oxygen atom, or sulfur atom, is provided. |
申请公布号 |
EP1426394(A4) |
申请公布日期 |
2010.11.03 |
申请号 |
EP20020798825 |
申请日期 |
2002.09.12 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED;KAWAGUCHI, YUJIRO |
发明人 |
KAWAGUCHI, YUJIRO;NAITOH, SHIGEKI;HASEGAWA, TOSHIYUKI |
分类号 |
C08G59/18;C08G59/34;C08G59/42;C08G59/68;H01L23/29;H01L31/0203;H01L51/52 |
主分类号 |
C08G59/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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