| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject composition useful for electric and electronic parts, capable of providing a cured resistance suitable for moistureproof electrical insulation, etc., excellent in heat resistance and flame-retardance, by including a specific hydride, a polyisocyanate, hydrated alumina and a phosphoric acid ester. SOLUTION: This composition comprises (A) an OH group-containing liquid hydrogenated polyisoprene, (B) a polyisocyanate, (C) hydrated alumina and (D) a phosphoric acid ester. The component A having 500-10,000 number-average molecular weight and about 0.6-1.5meq/g OH group content is used and about 0.7-1.5 equivalent of tolylene diisocyanate based on OH group of the component A is used as the component B. Preferably 1-20wt.% of the component C having 0.1-100μm particle diameter is used and about 1-20wt.% of tricresyl phosphate is used as the component D.
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