Novel amino catalyst mixture for stabilization of polyurethane foam
AssigneeUnion Carbide Corporation
InventorsFeyyaz O. Baskent, Michael R. Sandner
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Abstract
Amino catalyst mixtures containing from 10 to 95 percent by weight of 2-diisopropylamino ethanol and from 5 to 90 percent by weight of an amine or mixture of amines selected from the group described herein has been found to be a replacement for N-ethylmorpholine in the production of polyurethane foams.
Claims13
A method for producing a cellular urethane polymer which comprises reacting (a) an organic polyisocyanate and (b) a polyester polyol containing at least two active hydrogen atoms, in the presence of a blowing agent and an amino catalyst mixture and foaming the product, wherein the amino catalyst mixture comprises from about 10 to 95 percent by weight of 2-diisopropylamino ethanol and from 5 to 90 weight percent of an amine or a mixture of amines selected from the group consisting of 2-(2-dimethylaminoethoxy) ethanol;
- bis-(2-dimethylamino) ethyl ether;
- and 1,4-diazo-bicyclo[2.2.2]octane.
Dependencies are inferred from the claim text.