| abstract |
(57) [Summary] [Structure] Main agent (isocyanate group-terminated urethane prepolymer derived from castor oil and 4,4'-diphenylmethane diisocyanate) and curing agent [castor oil, aluminum hydroxide, tris (tribromoneopentyl). ) A flame-retardant elastomer composed of a kneaded product with a phosphate]. [Effect] Compared with conventional ones, it has better flame retardancy, workability, electrical characteristics and mechanical strength. |