Conducting unsaturated polyester resin compositions.

摘要

The present invention relates to conducting unsaturated polyester resin compositions. Composition comprises an unsaturated polyester, a copolymerisable monomer and from 0.1% to 8% by weight of an electrically conducting grade of carbon black, uniformly dispersed throughout the composition by high shear mixing. The resin composition of the present invention can be converted to cured products having an electrical conductivity of at least 1 x 10<-><6> reciprocal ohms per cm. The resins may be used to coat pipes which enables them to be electrically heated, if desired.