Method for reducing the aliphatic halide content of epoxy resins

Details Method for reducing the aliphatic halide content of epoxy resins Method for reducing the aliphatic halide content of epoxy resins

1987-08-13

1988-11-15

Kight, John

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

Synthetic resins

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

549514, 549541, 528487, 528488, 528489, 528493, 528497, 528492, C08G 5914

Patent

active

047850612

ABSTRACT:
The total halide content of epoxy resins is reduced by heating a resin containing undesirable halide dissolved in a solvent mixture containing at least one polar aprotic solvent in the presence of an alkali metal hydroxide for a time sufficient to reduce the total halide content.

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patent: 3121727 (1964-02-01), Baliker, Jr. et al.
patent: 3145191 (1964-08-01), Perfetti
patent: 3766221 (1973-10-01), Becker
patent: 4132718 (1979-01-01), Vargiu et al.
patent: 4447598 (1984-05-01), Caskey et al.
patent: 4499255 (1985-02-01), Wang et al.
patent: 4585838 (1986-04-01), Wang et al.
patent: 4624975 (1986-11-01), Pham
patent: 4684701 (1987-08-01), Wang et al.

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