Spray coating with carboxyl polyol-derived polyester and epoxy r

Details Spray coating with carboxyl polyol-derived polyester and epoxy r Spray coating with carboxyl polyol-derived polyester and epoxy r

1993-10-05

1995-01-10

Sellers, Robert E.

Coating processes

Direct application of electrical, magnetic, wave, or...

Electrostatic charge, field, or force utilized

428416, 428418, 523402, 523403, 523416, 525438, B05D 102, B05D 104

Patent

active

053805658

ABSTRACT:
A substrate is spray coated with a composition containing an epoxy resin-modified polyester binder which is water-dilutable upon base neutralization of the free carboxyl groups and is prepared via 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, and (a.sub.3) a polycarboxylic acid with two carboxyl groups and (a.sub.4) a polyol; and (B) a bisphenol epoxy resin.

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

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