发明名称 |
Composition of biphenyl epoxy resin, phenolbiphenylaralkyl resin and filler |
摘要 |
An epoxy resin composition which can be used as a semiconductor encapsulating resin and in which the improvement of flame retardancy can be attained by suitably adapting a crosslinked structure itself of a cured article without using any flame retardant material and without particularly highly filling an inorganic filler. The epoxy resin composition includes an epoxy resin (A), a phenolic resin (B), an inorganic filler (C) and a curing accelerator (D), wherein a flexural modulus E (kgf/mm2) at 240±20% C of a cured article obtained by curing the composition is a value satisfying 0.015 W+4.1≦̸E≦̸0.27 W+21.8 in the case of 30≦̸W<60, or a value satisfying 0.30 W−13≦̸E≦̸3.7 W−184 in the case of 60≦̸W≦̸95 wherein W (wt %) is a content of the inorganic filler (C) in the cured article. The cured article of this composition forms a foamed layer during thermal decomposition or at ignition to exert flame retardancy.
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申请公布号 |
US7799852(B2) |
申请公布日期 |
2010.09.21 |
申请号 |
US20060477524 |
申请日期 |
2006.06.30 |
申请人 |
NEC CORPORATION;SUMITOMO BAKELITE COMPANY LIMITED |
发明人 |
KIUCHI YUKIHIRO;IJI MASATOSHI;TERAJIMA KATSUSHI;KATAYAMA ISAO;MATSUI YASUO;OOTA KEN |
分类号 |
C08K3/00;C08K3/36;C08G59/62;C08L61/06;C08L61/10;C08L63/00;H01L23/29;H01L23/31 |
主分类号 |
C08K3/00 |
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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