Preparation of epoxy resins

Details Preparation of epoxy resins Preparation of epoxy resins

1983-08-16

1985-02-12

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525507, 525519, 528 99, 528409, 549514, 549517, C08G 5906, C08G 5910

Patent

active

044992556

ABSTRACT:
Epoxy resins are prepared by reacting an excess of an epihalohydrin with a phenolic hydroxyl-containing compound in the presence of the incremental addition of a basic catalyst while removing water by codistilling with a solvent and epihalohydrin.

REFERENCES:
patent: 2801227 (1957-07-01), Goppel
patent: 2824855 (1958-02-01), Freeman et al.
patent: 2848435 (1958-08-01), Griffin et al.
patent: 3121727 (1964-02-01), Baliker et al.
patent: 3417050 (1968-12-01), Price et al.
patent: 3980679 (1976-09-01), Becker
patent: 4390680 (1983-06-01), Nelson

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