Effect coatings with colour impression depending on viewing...

C - Chemistry – Metallurgy – 09 – D

Patent

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C09D 5/36 (2006.01) B05D 1/36 (2006.01) B05D 5/06 (2006.01) B05D 7/24 (2006.01) C08G 63/60 (2006.01) C09B 67/00 (2006.01) C09D 167/00 (2006.01) C09K 19/00 (2006.01) C09K 19/38 (2006.01)

Patent

CA 2250709

A process for producing an effect coating with a colour impression depending on the viewing angle in which one or more no-setting cholesteric liquid crystalline polymer(s) or at least one non-setting nematic and at least one non-setting cholesteric liquid crystalline polymer is/are applied in the form of a melt of in solution to the object to be coated and converted by heat treatment into a film with a colour effect depending on the viewing angle.

Procédé permettant de fabriquer un revêtement à effets avec lequel la perception de la couleur dépend de l'angle d'observation, caractérisé par le fait qu'un ou plusieurs polymères cristallins liquides cholestériques, non thermodurcissables, ou au moins un polymère cristallin liquide nématique, non thermodurcissable et au moins un polymère cristallin liquide cholestérique, non thermodurcissable, sont appliqués sur l'objet à revêtir à l'état fondu ou en solution, et transformés par traitement thermique en une couche pour laquelle la perception de la couleur dépend de l'angle d'observation.

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