Method for preparing advanced epoxy or phenoxy resins with low a

Details Method for preparing advanced epoxy or phenoxy resins with low a Method for preparing advanced epoxy or phenoxy resins with low a

1986-09-24

1987-08-04

Nielsen, Earl

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

Synthetic resins

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

528 88, 528 95, 528104, 528110, C08G 5914

Patent

active

046847014

ABSTRACT:
Advanced epoxy resins having a low total aliphatic halide content are prepared by reacting an epoxy resin having an average of more than one 1,2-epoxide group per molecule with a material having an average of more than one phenolic hydroxyl group per molecule in the presence of a solvent having at least one aliphatic hydroxide group per molecule and a catalytic quantity of an alkali metal hydroxide. These low aliphatic halide-containing advanced epoxy resins are useful in formulations for preparing laminates, moldings, pottings and coatings for the electronics industry.

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