Coating processes – Direct application of electrical – magnetic – wave – or...
Patent
1997-11-25
1999-07-27
Cameron, Erma
Coating processes
Direct application of electrical, magnetic, wave, or...
427595, 427340, 427421, 427435, 427440, 204471, 204492, 204493, 204494, 204498, 204499, 204501, 204502, 204504, 204507, 204509, B05D 136
Patent
active
059287306
ABSTRACT:
A process for forming a cured paint film from a paint containing, as a binder, a resin containing a carbonyl group, or a resin, or a resin mixture containing a carbonyl group and a carboxyl group or a paint containing, as a binder, a resin containing a resin or a resin mixture containing a group which forms a carboxyl group in the subsequent contact step with a hydrazine compound or polyhydrazide compound. The uncured paint film, which contains a carbonyl group, or a carbonyl group and a carboxyl group or a group that forms a carboxyl group, is subjected to a step of curing the paint film by allowing the uncured paint film to contact with a hydrazine compound or a polyhydrazide compound.
REFERENCES:
patent: 4176103 (1979-11-01), Cruden et al.
patent: 4933213 (1990-06-01), Fourquier et al.
patent: 5432229 (1995-07-01), Aoki et al.
Cameron Erma
Kansai Paint Co. Ltd.
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