Patent ID: 8906975
Filing Date: 2014-12-09
Classification: C08G

Abstract:
1. A flexible polyurethane foam having a bulk foam density of 2.5 pounds per cubic foot or lower and having a foam hardness or 25% Indentation Force Deflection (IFD) in a range of 10 to 90 lb/50 in 2 , wherein the foam results from a reaction of methylene diphenyl diisocyanate (MDI) with a polyalkyleneoxide polyether polyol and water in the presence of at least a 1,2-dimethylimidazole amine catalyst, a silicone surfactant, and an auxiliary blowing agent and without a tin catalyst and without toluene diisocyanate (TDI), and wherein the foam made without the use of a flame retardant additive passes the requirements of State of California Technical Bulletin 117.