Acid anhydride mixtures in paste form useful for curing epoxy re

Details Acid anhydride mixtures in paste form useful for curing epoxy re Acid anhydride mixtures in paste form useful for curing epoxy re

1984-12-24

1987-05-05

Terapane, John F.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

528 91, 528115, 528365, C08G 5942, C08G 5972

Patent

active

046630724

ABSTRACT:
This invention relates to a stable acid anhydride paste mixture useful as a crosslinking agent for epoxy resins and a dual catalyst system therefor. In particular, the anhydride mixture comprises high melting point acid anhydride, a liquid acid anhydride, and a low melting point acid anhydride. The dual catalyst system comprises tertiary amine catalysts with boron trihalide amine complex catalysts.

REFERENCES:
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patent: 3296148 (1967-01-01), Talbert et al.
patent: 3580857 (1971-05-01), Cheng et al.
patent: 3580858 (1971-05-01), Evans et al.
patent: 4045408 (1974-08-01), Griffith et al.
patent: 4273914 (1981-06-01), Smith et al.
patent: 4349645 (1982-09-01), Griggs
patent: 4490511 (1984-12-01), Li et al.

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