General Electric Company

Jan Wagenaar

Johannes Everardus Fortuijn

Johannes Hubertus Lohmeijer

Christiaan Henricus Koevoets

Johannes Everardus Fortuyn

Gerd Claus Hochberg

Ron Van Hoorn

Johannes Hubertus Marie Lohmeijer

A method for electrostatic painting (coating) of a non-conductive compatibilized poly(arylene ether)/polyamide polymer surface is disclosed, comprising applying a conductive layer on or adjacent to all or part of a side opposite the non-conductive polymer surface to be painted so as to provide sufficient conductivity to enable electrostatic painting of the non-conductive polymer surface. With the conductive layer in place the article can then be painted electrostatically. After painting, the conductive layer can optionally be removed without affecting the painted surface.

Electrostatic powder coating on non-conductive plastics

The present invention deals with a thermoplastic composition comprising (a) a compatibilized polyphenylene ether-polyamide base resin, and (b) 1-7 parts by weight per 100 parts by weight of (a) of an electroconductive carbon black, with an Izod notched impact strength of more than 15 kJ/m.sup.2 and a volume resistivity of less than 10.sup.6 Ohm.cm. The compositions of the invention are suitable for molding objects which can easily be painted by an electrostatic coating process. The invention further provides a process for the preparation of the composition of the invention comprising at least two steps. In the first step the base resin is formed. In a further step the carbon black is incorporated in the base resin. The invention further relates to articles formed out of the composition of the invention and to such articles which have been painted by an electrostatic coating process.

Thermoplastic composition comprising a compatibilized polyphenylene

The present invention deals with a thermoplastic composition comprising (a) a compatibilized polyphenylene ether-polyamide base resin, and (b) 1-7 parts by weight per 100 parts by weight of (a) of an electroconductive carbon black, with an Izod notched impact strength of more than 15 kJ/m.sup.2 and a volume resistivity of less than 10.sup.6 Ohm.multidot.cm.

Thermoplastic composition comprising a compatibilizer polyphenylene

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Bergen op Zoom, Netherlands

Jan Wagenaar