Process of reacting a polyepoxide compound with a phenol in aque

Details Process of reacting a polyepoxide compound with a phenol in aque Process of reacting a polyepoxide compound with a phenol in aque

1977-10-07

1978-10-24

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260 292EP, 260 13, 528 86, 528 88, 528 93, 528102, 528104, C08G 5902

Patent

active

041220676

ABSTRACT:
Polyhydroxypolyether resins are prepared by reacting in water as a dispersion an epoxide compound which has more than one 1,2-epoxy group per molecule with a dihydric phenol. The reaction is conducted in the presence of a nonionic dispersant at a temperature of about 80.degree. C. to about 100.degree. C. using, as a catalyst, an organic phosphine, a tertiary amine, or a quaternary ammonium or phosphonium compound. The polyhydroxypolyether resins are useful in coating compositions, molding compounds, encapsulating compositions, adhesives and the like.

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