Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-12-30
1998-05-05
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524504, 525170, 525445, 525902, C08L 5108, C08F28302
Patent
active
057475580
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.
Nishi Tadahiko
Okude Yoshitaka
Takagi Takeshi
Nippon Paint Co. Ltd.
Szekely Peter A.
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