Epoxy resin/imidazole/polyphenol adduct as epoxy curing agent

Details Epoxy resin/imidazole/polyphenol adduct as epoxy curing agent Epoxy resin/imidazole/polyphenol adduct as epoxy curing agent

1990-02-26

1991-12-31

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525484, 525934, C08L 6302, C08L 6304

Patent

active

050773550

ABSTRACT:
A powder coating composition is disclosed which includes an epoxy resin which is solid at room temperature, and a curing agent, characterized in that the curing agent includes an adduct obtained by reaction of (a) a polyfunctional epoxy resin, (b) an imidazole compound having a secondary amino group in the imidazole ring thereof and (c) a polyhydric phenol.

REFERENCES:
patent: 3647726 (1972-03-01), Ulmer
patent: 4066625 (1978-03-01), Yallourakis
patent: 4067838 (1978-01-01), Hayashi et al.
patent: 4223097 (1980-09-01), Johannes et al.

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