Title: Catalyst combination for polyurethanes

Abstract: An excellent catalyst for polyurethane foams is a combination of 1, 3, 5-tris(3-dimethyl-aminopropyl)-s-hexahydrotriazine and 2-(dimethylamino)-ethanol. It has unexpectedly been found that this catalyst combination produces both excellent gelation and blowing reactions.

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Inventors: Raden, Daniel S. (Mt. Prospect, IL, US)
Weiner, Morton A. (Waukegan, IL, US)
Hill, Douglas W. (Fox Lake, IL, US)

Application Number: 844675
Filing Date: 1977-10-25
Publication_date: 1979-02-27
Assignee: Abbott Laboratories (North Chicago, IL)
Primary Class(es): 521/129 521/118, 521/167, 521/170
Other Classes:
US Patent Ref:

3928256	Dec, 1975	Cenker	260/2.
4029610	Jun, 1977	Narayan	260/2.

Other Refs:
Primary Examiner: Jacobs, Lewis T.
Assistant Examiner:
Attorney: Burgauer; Paul D., Niblack; Robert L.