Powdered thermosetting composition for coatings

Details Powdered thermosetting composition for coatings Powdered thermosetting composition for coatings

2005-01-18

2005-01-18

Robertson, Jeffrey B. (Department: 1712)

Stock material or miscellaneous articles

Composite

Of epoxy ether

C428S480000, C427S386000, C524S601000, C525S176000, C525S934000

Reexamination Certificate

active

06844072

ABSTRACT:
The present invention relates to powdered thermosetting compositions including a binder which comprises a carboxyl group containing amorphous isophthalic acid containing polyester, a carboxyl group containing semi-crystalline polyester, at least 10 parts by weight, based on the total weight of the binder, of a specific glycidyl group containing acrylic copolymer and a curing agent having functional groups reactive with the polyesters' carboxyl groups. The powdered thermosetting compositions are useful for the preparation of powdered paints and varnishes which give low gloss coatings having an outstanding flow, a remarkable weatherability and excellent mechanical properties.

REFERENCES:
patent: 5525370 (1996-06-01), Hoebeke et al.
patent: 6635721 (2003-10-01), Moens et al.
patent: 1 067 159 (2001-01-01), None
patent: WO9114745 (1991-10-01), None
patent: 9501407 (1995-01-01), None
patent: WO9720895 (1997-06-01), None
DATABASE WPI, Section Ch, Week 199132, Derwent Publications Ltd., London, GB; AN 1991-234980 XPOO2204854—Abstract of JP 03 153771 (Jul. 1991).

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