Method of coating using pigment-containing water-based paint com

Details Method of coating using pigment-containing water-based paint com Method of coating using pigment-containing water-based paint com

1998-01-16

1999-10-26

Cameron, Erma

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

427203, 427379, 4273884, 427409, 428461, B05D 302

Patent

active

059724250

ABSTRACT:
A heat-curable, water-dispersible resin composition comprising 50 to 90% by weight of a film-forming polymer (A) obtained by copolymerizing an ethylenic monomer having a saturated C.sub.6 to C.sub.18 hydrocarbon group, a hydroxy-containing ethylenic monomer, an acidic group-containing ethylenic monomer and another ethylenic monomer, and 50 to 10% by weight of a hydroxy-terminated polyester resin (B), said resin (B) being grafted on said polymer (A) by transesterification, and at least part of the acidic groups in said polymer (A) being neutralized with a base (C); a method of producing said resin composition; a water-based paint composition comprising said resin composition and a curing agent; and a two-coat one-bake coating method which uses said paint composition as a base coat. This invention provides a water-based paint composition which shows good workability in a broad humidity condition range, and excellent in storage stability, paint film appearance and performance characteristics.

REFERENCES:
patent: 4069274 (1978-01-01), Shibata et al.
patent: 4459379 (1984-07-01), Schwarz
patent: 5280089 (1994-01-01), DeGraat et al.

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