Catalyst systems useful for forming isocyanurate, amide and/or o

Details Catalyst systems useful for forming isocyanurate, amide and/or o Catalyst systems useful for forming isocyanurate, amide and/or o

1992-07-14

1993-05-04

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 49, 528 53, 502167, C08G 1814

Patent

active

052082709

ABSTRACT:
Two component catalyst systems containing (1) a N,N',N"-tris(N,N-dialkylaminoalkyl)-s-triazine component, and (2) a monocarboxylic acid component wherein the monocarboxylic acid component is one or more monocarboxylic acids having 4 to about 18 carbons are useful for polymerizing di- or poly-isocyanates, and, optionally, epoxies. The catalyst systems can often be particularly useful for preparing polymer foams which have good heat resistivity and dimensional stability properties compared to conventionally formed foams. The ratio of the two components of the catalyst system, along with the amount of the catalyst system used to prepare a polymer formulation, can be adjusted such that the monocarboxylic acid component can react with isocyanate group containing compounds in the foam formulations to provide carbon dioxide to function as a sole blowing agent, or as a partial blowing agent used in conjunction with other conventional blowing agents.

REFERENCES:
U.S. patent application 07/612,723 filed Nov. 13, 1990 which is a continuation in part of U.S. patent application 07/382,527 filed Jul. 19, 1989; Applicants: T. W. Bodner, L. A. Cole and S. A. Dai.

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