Electrically conducting hydroprimer for plastics

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 175/06 (2006.01) C09D 5/02 (2006.01) C09D 5/24 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2386803

The invention relates to an electrically conducting hydroprimer comprising at least one component (I), which itself comprises at least one aqueous polyurethane dispersion (A) and at least one electrically conducting pigment (B), and at least one component (II), which itself comprises a polyisocyanate. At least one of the components (I) and/or (II) comprises an aromatic solvent. The invention further relates to the use of said hydroprimer for producing multi-coat coloured or special effect paints for plastic components and plastic components coated with said multi-coat paints.

L'invention concerne une couche de fond aqueuse électroconductrice pour matières plastiques, contenant au moins un composant (I) qui comprend au moins une dispersion aqueuse de polyuréthanne (A) et au moins un pigment électroconducteur (B) ; et au moins un composant (II) qui comprend au moins un polyisocyanate. Au moins un des composants (I) et/ou (II) contient au moins un solvant aromatique. L'invention concerne également l'utilisation de cette couche de fond aqueuse pour la production de revêtements multicouches colorants et/ou à effet, destinés à des matières plastiques. Elle concerne en outre des matières plastiques ainsi revêtues.

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