Process for preparing polyurethane foam

A process for preparing a polyurethane foam by reacting a polyisocyanate and an active hydrogen-containing component, including water and an organic polyol, in the presence of a delayed amine catalyst, said delayed amine catalyst formed in situ consisting of a tertiary amino and an aryloxy substituted carboxylic acid to form a catalyst mixture, and adding said catalyst mixture to said hydrogen-containing component, including water and said organic polyol.

A process for preparing a polyurethane foam by reacting a resin premix comprising an organic polyol, a tertiary amine, and water, with a phenoxy acid selected from the group consisting of phenoxyacetic acid, (dichlorophenoxy)acetic acid, phenoxybenzoic acid, chloromethylphenoxyacetic acid, 5-(4-hydroxymethyl-3-methoxyphenoxy) valeric acid, naphthoxyacetic acid, 4-hydroxymethyl phenoxyacetic acid, 3-(4-hydroxymethyl-phenoxy)propionic acid, phenoxy butyric acid, 2-(4hydroxymethyl-3-methoxy phenoxy)butyric acid, 4-(4-hydroxymethyl-3-methoxyphenoxy) butyric acid, 4-hydroxymethyl-3-methoxyphenoxyacetic acid and mixtures thereof, followed by addition of a polyisocyanate such that a reaction product of the tertiary amine and the phenoxy acid generates a delayed action catalyst to delay the onset of a reaction between said polyisocyanate, water, and said organic polyol.