Polyurethanes prepared from hydroxy benzamides or polyols prepar

Details Polyurethanes prepared from hydroxy benzamides or polyols prepar Polyurethanes prepared from hydroxy benzamides or polyols prepar

1982-05-13

1983-07-26

Nielsen, Earl A.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 78, 564153, 564158, C08G 1828

Patent

active

043955339

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: 4215210 (1980-07-01), Okayama et al.
patent: 4358577 (1982-11-01), McCrary et al.

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