Epoxide resin-modified polyester coat with alkyd topcoat

Details Epoxide resin-modified polyester coat with alkyd topcoat Epoxide resin-modified polyester coat with alkyd topcoat

1995-01-10

1995-10-24

Sellers, Robert E.

Stock material or miscellaneous articles

Composite

Of epoxy ether

428418, 523402, 523416, 523403, 525438, B32B 1508, B32B 2736, B32B 2738

Patent

active

054608899

ABSTRACT:
A coating composition comprises an alkyd resin based topcoat and a water dilutable coating comprising an epoxy resin-modified polyester binder which is water-dilutable upon base neutralization of the free carboxyl groups and is prepared by the reaction of (A) a polyester containing (cyclo)aliphatic groups having at least six carbon atoms derived from (a.sub.1) a polycarboxylic acid with at least three carboxyl groups and/or (a.sub.2) a polyol with at least one carboxyl group, (a.sub.3) a polycarboxylic acid with two carboxyl groups and (a.sub.4) a polyol; and (B) a bisphenol epoxide resin.

REFERENCES:
patent: 3502620 (1970-03-01), Caldwell
patent: 3749758 (1973-07-01), Gannon
patent: 3992346 (1976-11-01), Hartman et al.
patent: 4085159 (1978-04-01), Marsiat
patent: 5183835 (1993-02-01), Gross et al.

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