POLYURETHANE FOAMING COMPOSITION AND METHOD FOR PRODUCING FLEXIBLE POLYURETHANE FOAM

摘要

An expandable polyurethane composition includes (A) polyisocyanate, (B) active hydrogen containing compound including (B1) polyol and (B2) water, a catalyst, and (C) cross-linking agent composition. The (C) cross-linking agent composition includes at least one kind of (C1) cross-linking agent selected from (CA) ethoxylate derivative having MW of 2000 or less and (CB) ester compound having MW of 2500 or less, and (C2) non-protic polar solvent, and a mass ratio ((a + b)/c) of a sum of content a of the (CA) ethoxylate derivative and content b of the (CB) ester compound relative to content c of the (C2) non-protic polar solvent is 1/10 to 10/1. A flexible polyurethane foam can be obtained of which wet set is improved and feeling is good.