Patent ID: 8716359
Filing Date: 2014-05-06
Classification: C08G,C08K

Abstract:
1. A polyurethane foam composition comprising polyol and a scorch inhibitor composition at about 0.10 to 0.75 parts per 100 parts polyol, the scorch inhibitor composition comprising: (a) one or more derivatized phenolic compounds in an amount of about 60-80% by weight; (b) one or more aromatic amines in the form of a liquid in an amount of about 15-35% by weight; (c) an alkyl-substituted hydroquinone in an amount of about 4-8% by weight, selected from 2,5-di-tert-amyl-hydroquinone and di-tert-butyl-hydroquinone; and (d) phenothiazine at 0 to about 1.0% by weight.