Antistatic-coated moulding and process for its production

Details Antistatic-coated moulding and process for its production Antistatic-coated moulding and process for its production

C - Chemistry, Metallurgy

08

J

C08J 7/04 (2006.01) C09D 5/24 (2006.01)

Patent

CA 2544338

The invention relates to a method for producing molded bodies on the basis of synthetic material by coating one or mode sides of a molded body with a lacquer system in a manner known per se and leaving the lacquer to cure. Said lacquer system is constituted of a binder or a binder mixture, optionally a solvent or solvent mixture, optionally additional additives conventionally used in lacquer systems, and a thickening agent. Polymer thickening agents having a content of 0 to 20 % and oligomer thickening agents having a content of 0 to 40 %, based on the dry film, can be used (components a, c, d, e). The lacquer system further comprises 5 to 500 parts by weight, based on a), of an electrically conductive metal-oxide powder having an average primary particle size of 50 to 50 nm and an aggregation degree of 0.01 to 99 %, and 5 to 500 parts by weight, based on a), of inert nanoparticles.

Procédé de fabrication de corps moulés en plastique selon lequel un corps moulé est couvert sur une ou plusieurs faces d'un système de laque. Ledit système de laque est composé d'un liant ou d'un mélange de liants, éventuellement d'un solvant ou d'un mélange de solvants, éventuellement d'autres additifs courants dans les systèmes de laque, d'un épaississant, des épaississants polymères à raison de 0 à 20 % et des épaississants oligomères à raison de 0 à 40 %, par rapport au film sec, pouvant être utilisés (constituants a, c, d, e), et de 5 à 500 parties en masse par rapport au constituant (a) d'une poudre d'oxyde métallique électroconductrice ayant une taille moyenne des particules primaires de 5 à 50 nm et un degré d'agrégation de 0,01 à 99 %, et 5 à 500 parties en masse, par rapport au constituant (a) de nanoparticules inertes. Ledit procédé consiste ensuite à appliquer le système de laque de manière connue et à faire durcir la laque.

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