Accelerator for anhydride-cured epoxy resins

Details Accelerator for anhydride-cured epoxy resins Accelerator for anhydride-cured epoxy resins

1981-10-14

1983-08-09

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

523455, 525337, 525340, 528 91, 528 92, 528361, 528365, 20415911, C08G 5968

Patent

active

043980139

ABSTRACT:
An improved process for curing a polyepoxide composition with a polycarboxylic acid or polycarboxylic acid anhydride is described wherein the addition of a diphenyliodonium salt accelerator provides for shortened curing reaction times at lower reaction temperatures or at room temperatures if the composition is exposed to a source of ultraviolet radiation.

REFERENCES:
patent: 3547885 (1970-12-01), Dante et al.
patent: 3981897 (1976-09-01), Crivello
patent: 4173551 (1979-11-01), Crivello
patent: 4283312 (1981-08-01), Crivello
patent: 4319974 (1982-03-01), Crivello

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