Water dispersible polyamine-epoxy adduct and epoxy coating compo

Details Water dispersible polyamine-epoxy adduct and epoxy coating compo Water dispersible polyamine-epoxy adduct and epoxy coating compo

1993-05-13

1994-09-27

Marquis, Melvyn J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 320, C08L 6302

Patent

active

053507843

ABSTRACT:
A two-component water-dispersible coating composition based on a blend of a water compatible polyamine-epoxy adduct and a resin compatible polyamine-epoxy adduct, and a polyepoxide resin. The water compatible polyamine-epoxy adduct is formed by reacting a polyamine having primary amine groups with a mixture of a monoepoxide and polyepoxide in which the amounts of monoepoxide and polyepoxide are such that the monoepoxide reacts with 10 to 50% of the primary amine groups and the polyepoxide reacts with 5 to 65% of the remaining primary amine groups. The resin compatible polyamine-epoxy adduct is formed by reacting a polyamine having primary amine groups with a monoepoxide or a polyepoxide in an amount which provides from about 0.4 to 1 equivalents epoxide per primary amine group. The amount of polyepoxide resin is such that there is from about 0.5 to 1.5 equivalents epoxide per active hydrogen equivalent.

REFERENCES:
patent: 3449281 (1969-06-01), Sullivan et al.
patent: 4246148 (1981-01-01), Shimp et al.
patent: 4501832 (1985-02-01), Albers
patent: 4608405 (1986-08-01), DeGooyer
patent: 4992516 (1991-02-01), Schipfer et al.
patent: 5087647 (1992-02-01), Flakue

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