Invention Grant
US07671147B2 Composition of oxazolidine epoxy resin, epoxy phosphazene, phosphorus compound or polyphenylene ether and curing agent 失效
恶唑烷环氧树脂,环氧磷腈,磷化合物或聚苯醚和固化剂的组成

Composition of oxazolidine epoxy resin, epoxy phosphazene, phosphorus compound or polyphenylene ether and curing agent
Abstract:
Disclosed is a flame-retardant epoxy resin composition characterized by containing (A) an epoxy resin containing 0.5-10 equivalent/kg of oxazolidone rings, (B) an epoxy group-containing phosphazene compound, (C) at least one compound selected from the group consisting of phosphates, condensed phosphates, quinone derivatives of phosphine compounds, and polyphenylene ethers, and (D) at least one curing agent selected from the group consisting of guanidine derivatives, phenol novolacs, bisphenol A novolacs, cresol novolacs and naphthol novolacs.
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