Process for preparing coated articles

Details Process for preparing coated articles Process for preparing coated articles

B - Operations, Transporting

05

D

B05D 1/04 (2006.01)

Patent

CA 2229014

A process for preparing a coated article which includes the step of electromotively coating an article molded or extruded from a composition having a conductivity of at least 10-14 Siemens/cm (S/cm) comprising: (a) a thermoplastic polymer, thermoset polymer, or mixture thereof and (b) an electronically-conductive charge transfer complex or inherently semi- conducting polymer different from (a). It has been discovered that the process of the invention provides a means by which electromotively-coated polymer articles may be conveniently prepared.

L'invention porte sur un procédé permettant de produire un article revêtu consistant à revêtir, à l'aide d'une force électromotrice, un article moulé ou extrudé à partir d'une composition dont la conductivité est au moins de 10?-14¿ Siemens/cm (S/cm) comportant: a), un polymère thermoplastique, un polymère thermodurcissable ou un mélange des deux et, b), un polymère d'un complexe rendu électroniquement conducteur par transfert de charge ou semi-conducteur de par sa nature, différent de (a). Il s'est avéré que le procédé selon l'invention offrait la possibilité de produire avantageusement des articles polymères revêtus à l'aide d'une force électromotrice.

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