Non-nucleophilic acid salts of amines as cure accelerators

Details Non-nucleophilic acid salts of amines as cure accelerators Non-nucleophilic acid salts of amines as cure accelerators

1987-08-12

1988-10-04

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 91, 528 92, 528 93, 528361, 528407, 528408, C08G 5968

Patent

active

047757345

ABSTRACT:
A curable composition comprising a polyepoxide, an amine curing agent and a catalytic amount of a non-nucleophilic acid salt of an amine having the formula R(R')(R")NH.sup.+ X.sup.- wherein R, R' and R" independently represent an alkyl group having from 1 to 20 carbon atoms, an alkaryl group having from 7 to 20 carbon atoms or an oxyalkylene group having from 2 to 50 carbon atoms and wherein R' and R" independently also may represent hydrogen and R may also represent the formula [--Y--(R')(R")NH.sup.+ X.sup.- ].sub.n wherein R' and R" have the foregoing designations, Y represents an alkylene or alkylene ether group having from 2 to 50 carbon atoms and n represents an integer of from 1 to 5 is described.

REFERENCES:
patent: 3720634 (1973-03-01), Statton
patent: 3909480 (1975-09-01), Ogata et al.
patent: 4000115 (1976-12-01), Jacobs
patent: 4092296 (1978-05-01), Skiff
patent: 4396754 (1983-08-01), Brownscombe
patent: 4668758 (1987-05-01), Corley

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