Epoxy resins from hydroxy benzamides

Details Epoxy resins from hydroxy benzamides Epoxy resins from hydroxy benzamides

1982-05-13

1983-08-09

Nielsen, Earl A.

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

Synthetic resins

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

528 98, 528 99, 525934, 428413, C08G 5928, C08G 5932

Patent

active

043980023

ABSTRACT:
New epoxy resins are prepared by reacting a hydroxybenzamide or derivative thereof with an epihalo-hydrin 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.
patent: 4229563 (1980-10-01), Foscante et al.

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