Catalyst combination for polyurethanes

Details Catalyst combination for polyurethanes Catalyst combination for polyurethanes

1977-10-25

1979-02-27

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521118, 521167, 521170, C08J 900

Patent

active

041418620

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.

REFERENCES:
patent: 3928256 (1975-12-01), Cenker
patent: 4029610 (1977-06-01), Narayan

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