Dry toner, method for the production thereof and use thereof

Details Dry toner, method for the production thereof and use thereof Dry toner, method for the production thereof and use thereof

G - Physics

03

G

G03G 9/09 (2006.01)

Patent

CA 2588055

The invention relates to a dry toner which contains a wafer-like metal effect pigment or several wafer-like metal effect pigments and at least one resin component. The metal effect pigment and/or the metal effect pigments is and/or are provided with, preferably, a coating which increases the mechanical stability. Said coating is modified with at least one organic layer and the organic layer is and/or are selected from the group consisting of organo- functional silans, organo-functional titanates, organo-functional zirconates, phosphonic acids and phosphonates. The invention also relates to a method for producing said dry toner and also to the use thereof. The invention further relates to a toner cassette and to printed products.

L'invention concerne un toner sec contenant un ou plusieurs pigment(s) à effet métallique se présentant sous la forme de paillettes, et au moins un produit résineux. Selon l'invention, le(s) pigment(s) à effet métallique se présentant sous la forme de paillettes est/sont en outre recouvert(s) d'un revêtement qui, de préférence, augmente la stabilité mécanique. De plus, ce revêtement est modifié par au moins une couche organique constituée de composés sélectionnés dans le groupe comprenant des silanes organofonctionnels, des titanates organofonctionnels, des zirconates organofonctionnels, des acides phosphoniques, et des phosphonates. Cette invention concerne en outre des procédés de production de ce toner sec, et son utilisation. La présente invention concerne par ailleurs une cartouche de toner, et des produits d'impression.

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