Preparation of aqueous epoxy resin dispersions, and their use

Details Preparation of aqueous epoxy resin dispersions, and their use Preparation of aqueous epoxy resin dispersions, and their use

1981-06-15

1983-11-01

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523414, C08L 6310

Patent

active

044130716

ABSTRACT:
A process for the preparation of aqueous epoxy resin dispersions, wherein an epoxy resin having more than one 1,2-epoxide group per molecule is reacted with from 1 to 30% by weight, based on epoxy resin, of a protective colloid, containing basic nitrogen and having an amine number of from 10 to 90, in the presence of from 50 to 1,000 mole percent, relative to the amount of basic nitrogen in the protective colloid, of an acid, and in the presence or absence of one or more organic solvents, at from 50.degree. to 150.degree. C., the reaction product is dispersed by adding water, and any organic solvent present is distilled off. The novel aqueous epoxy resin dispersions are used, for example, to produce coatings.

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patent: 4174332 (1979-11-01), Honig

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