Patent ID: 6774177
Filing Date: 2004-08-10
Classification: C08G,C09D,Y10T

Abstract:
An electrically conductive hydroprimer for plastics comprisingI) at least one component comprising A) at least one aqueous polyurethane dispersion and B) at least one electronically conductive pigment; and II) at least one component comprising at least one polyisocyanate, wherein at least one of the components I and II comprise at least one aromatic solvent that is at least one of mononuclear aromatic, polynuclear aromatic, mononuclear heteroaromatic, and/or polynuclear heteroaromatic, wherein the aromatic solvent is unsubstituted or is mono-, di-, or tri-substituted by at least one of an alkyl group, a cycloalkyl group, a perhaloalkyl group, a perhalocycloalkyl alkyloxy group, a cycloalkoxy group, a perhaloalkyloxy group, a nitrile group, a nitro group and/or a halogen atom, and optionally, wherein the alkyl group, the cycloalkyl group, the perhaloalkyl group, the perhalocycloalkyl alkyloxy group, the cycloalkoxy group, and/or the perhaloalkyloxy group can be linked cyclically to the aromatic nucleus or nuclei wherein the mononuclear aromatic is at least one of benzene, pseudocumene, hemellitene, ethyl-benzene, cumene, p-cymene, tert-butylbenzine, chlorobenzene, o-dichlorobenzene, m-dichlorobenzene, p-dichlorobenzene, flourobenzene, o-difluorobenzene, m-difluorobenzene, p-difluorobenzene, perfluorobenzene, nitrobenzene, benzonitrile, methoxybenzene, and/or ethoxybenzene.