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US 4,048,107 AGranted
Polyurethane foam preparation using amio acetal catalyst
AssigneeOlin Corporation
InventorsJohn S. Babiec, Jr., Steven T. Nakos, Stephen L. Goldstein
Life of this patent
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Abstract
Selected amines are used as catalysts in the preparation of polyurethane foam.
Claims17
A process for preparing a polyurethane foam from a reaction mixture which comprises an organic polyisocyanate, a polyol, a foaming agent and a catalytic proportion of an amino acetal catalyst selected from the group consisting of:
- 1,1-bis(2-dimethylaminoethoxy)ethane,
- bis(2-dimethylaminoethoxy)methane,
- 1,1-bis(2-dimethylaminoethoxy)propane, and
- 1,1,2,2-tetrakis(2-dimethylaminoethoxy)ethane.
1 more element
Dependencies are inferred from the claim text.