Delayed action catalysts for polyurethanes

Details Delayed action catalysts for polyurethanes Delayed action catalysts for polyurethanes

1978-08-28

1979-08-21

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521129, 521130, 528 53, C08G 1818, C08G 1820, C08G 1814

Patent

active

041654129

ABSTRACT:
Novel salts of tertiary amines and alpha-substituted carboxylic acids have advantages as delayed action thermally activated catalyts such as in urethane and epoxy catalysis. Some salts of tertiary amines tend to dissociate reversibly when heated. However, the compounds of the present invention preferentially decompose, irreversibly, to generate carbon dioxide when heated.

REFERENCES:
patent: 2957831 (1960-10-01), Parker
patent: 3706687 (1972-12-01), Rudzki
patent: 3728291 (1973-04-01), Carroll et al.
patent: 3769244 (1973-10-01), Hashimoto et al.
patent: 3862150 (1975-01-01), Bechara et al.
patent: 4009130 (1977-02-01), Zimmerman et al.

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