Patent ID: 8242184
Filing Date: 2012-08-14
Classification: C08G,C08J

Abstract:
1. A process for producing a flexible polyurethane foam, which comprises reacting a polyol composition (I) comprising at least a polyol compound and a polyisocyanate composition (II) comprising a polyisocyanate compound in the presence of a urethane-forming catalyst and a blowing agent, in an open system substantially without using a silicone foam stabilizer, wherein the urethane-forming catalyst is made of a metal catalyst and an amine catalyst, and the polyol composition (I) comprises, as the only polyol compound, a polyol compound (A) obtained by ring-opening polymerization of an alkylene oxide with an initiator by using a double metal cyanide complex catalyst and/or a monool compound (X) obtained by ring-opening polymerization of an alkylene oxide with an initiator by using a double metal cyanide complex catalyst, wherein polyol compound (A) has an average number of hydroxyl groups of 3, the amine catalyst is present in an amount of 0.1 to 1.5 parts, per 100 parts by mass of polyol composition (I), and the metal catalyst is present in an amount of 0.3 to 0.8 part, per 100 parts by mass of polyol composition (I).