Powder primer composition and method for forming coating film

Details Powder primer composition and method for forming coating film Powder primer composition and method for forming coating film

2007-04-25

2010-12-28

Feely, Michael J (Department: 1796)

Coating processes

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

Electrostatic charge, field, or force utilized

C427S409000, C427S410000, C427S458000, C427S532000, C428S416000, C428S418000, C428S480000, C525S438000, C525S523000, C525S524000, C525S533000

Reexamination Certificate

active

07858153

ABSTRACT:
A powder primer composition comprising as essential components (A) a carboxyl group-containing thermosetting polyester resin, (B1) a bisphenol A-type epoxy resin with an epoxy equivalent of 400-2000 g/eq or (B2) a bisphenol-type epoxy resin with an epoxy equivalent of 400-2000 g/eq and (C1) a bisphenol F-type epoxy resin with an epoxy equivalent of 400-2000 g/eq or (C2) a modified epoxy resin containing phenolic hydroxyl groups, obtained by reacting (a) a bifunctional epoxy resin with (b) an excess of a bifunctional phenol. Coating films obtained using the powder primer composition have excellent finished appearance and corrosion resistance.

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Machine translation of JP 2005-162929 A, provided by the JPO website (2005).

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