espuma sintática consistindo no produto de reação de diisocianato de difenilmetano com componente reativo com isocianato, bem como seu processo de produção

摘要

This invention relates to syntactic foams comprising the reaction product of a liquid diphenylmethane diisocyanate component, with an isocyanate-reactive component, a filler having a density of less than 1 g/cm 3, and at least one organo-metallic catalyst. This invention also relates to the use of these syntactic foams for insulating pipes.