polyurethane forming composition containing fly ash, use in carpet backing precoats, laminate coats, and foam coats

摘要

A polyurethane forming composition useful for preparing a polyurethane precoat, polyurethane foam coat or a polyurethane laminate coat is claimed comprising: a) a polyol; b) chain extender; c) a polyisocyanate; d) a catalyst; e) a filler wetting agent; f) a filler wherein the filler includes class F fly ash; g) optionally a surfactant and h) optionally a blowing agent.