Coating processes – Direct application of electrical – magnetic – wave – or... – Electrostatic charge – field – or force utilized
Patent
1996-02-16
1997-02-04
Pianalto, Bernard
Coating processes
Direct application of electrical, magnetic, wave, or...
Electrostatic charge, field, or force utilized
264104, 427 58, 427322, 427421, 427444, 427475, 427536, 427540, 427569, B05D 104
Patent
active
055995918
ABSTRACT:
A nitrogen-containing compound of the following general formula (1) is kneaded into a resin molding material, the kneaded mixture is molded and the surface of the resulting article is subjected to corona discharge treatment. Further, a coating material having electrostatic charges is sprayed and deposited on the article after the corona discharge treatment. This can provide a shaped resin article with remarkably improved electrical conductivity from a less electrically conductive resin, without substantially deteriorating the physical properties and the color of the article. Further, electrostatic coating excellent in coating efficiency, surface appearance, productivity or the like is possible. ##STR1## where R.sup.1 represents an alkyl group or alkenyl group of 5 to 21 carbon atoms, R.sup.2 represents --H or --CH.sub.3, R.sup.3 and R.sup.4 may be the same or different and each represents an alkyl group of 1 to 4 carbon atoms, A represents --(CH.sub.2).sub.n -- or ##STR2## and n is 1 to 5.
Dai-Ichi Kogyo Seiyaku Co. Ltd.
Pianalto Bernard
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