Amino/ortho carboxylic acid ester catalyst system for isocyanate

Details Amino/ortho carboxylic acid ester catalyst system for isocyanate Amino/ortho carboxylic acid ester catalyst system for isocyanate

1988-11-30

1989-11-14

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521129, 528 48, 528 49, 528 52, 528 53, 528 54, C08G 1814

Patent

active

048808458

ABSTRACT:
The present invention is directed to an isocyanate-functional composition useful for forming a coating, adhesive, elastomer, or like article. Cure of the composition preferably involves trimerization of the isocyanate groups in the presence of an amino catalyst including a tertiary amine, an amine salt, and quaternary ammonium salts. The novel catalyst system used in achieving cure of the isocyanate-functional compound-containing liquid curable composition comprises an amino catalyst and an ortho-carboxylic acid ester.

REFERENCES:
patent: 4115300 (1978-09-01), Chakinof

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