Flame-retardant resin composition, and prepregs and laminates using such composition
AssigneeSumitomo Bakelite Co., Ltd.
InventorAkihiko Tobisawa
Life of this patent
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Abstract
The present invention provides a resin composition having excellent flame retardancy without using any halogen-containing flame retardant, and prepregs and laminates using such a resin composition. More specifically, the present invention provides a flame-retardant resin composition comprising as essential components (A) an epoxy resin, (B) a curing agent and (C) a phosphorus compound containing at least as part thereof a phosphine oxide compound, a prepreg produced by impregnating this flame-retardant resin composition in a fiber base, and a laminate produced by hot-pressing a single sheet or a pile of two or more sheets of the prepreg.
Claims12
A flame-retardant resin composition consisting essentially of (A) an epoxy resin, (B) a curing agent, and (C) a phosphorus compound,
- wherein the phosphorous compound (C) comprises a phosphine oxide compound and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide.
Dependencies are inferred from the claim text.