Epoxy resins from hydroxy benzamides

Details Epoxy resins from hydroxy benzamides Epoxy resins from hydroxy benzamides

1981-03-05

1983-01-04

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

252182, 528 99, 528100, 549553, C08G 5928, C08G 5932

Patent

active

043673287

ABSTRACT:
New epoxy resins are prepared by reacting a hydroxybenzamide or derivative thereof with an epihalohydrin followed by dehydrohalogenation. These epoxy resins have crystalline melting points, self-cure at elevated temperatures and cure rapidly in the presence of the usual epoxy resin curing agents. Also disclosed are hydrolyzed products of these epoxy resins and subsequent reactions with polyisocyanates.

REFERENCES:
patent: 2730531 (1956-01-01), Payne et al.
patent: 3042692 (1962-07-01), Findley
patent: 3562297 (1971-02-01), Howe et al.
patent: 3798242 (1974-03-01), Batzer et al.
patent: 3840598 (1974-10-01), Lesher
patent: 3904658 (1975-09-01), Batzer et al.

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