LIQUID ELECTROPHOTOGRAPHIC PRINTER CLEANING METHODS AND CLEANING COMPOSITIONS

Described herein are methods of cleaning liquid electrophotographic printers and liquid electrophotographic cleaning compositions for use in such methods. The cleaning compositions comprise a resin and a charge director dispersed in a carrier liquid. The cleaning compositions comprise from about 3 w...

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Bibliographic Details
Main Authors BACHAR, Eyal, KAPLOUN, Vladislav
Format Patent
LanguageEnglish
French
Published 26.12.2019
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:Described herein are methods of cleaning liquid electrophotographic printers and liquid electrophotographic cleaning compositions for use in such methods. The cleaning compositions comprise a resin and a charge director dispersed in a carrier liquid. The cleaning compositions comprise from about 3 wt. % to about 6 wt. % non-volatile solids (NVS). The methods comprise flushing upstream ink feed components of the liquid electrophotographic printer with the cleaning compositions. L'invention concerne des procédés de nettoyage d'imprimantes électrophotographiques liquides ainsi que des compositions de nettoyage électrophotographiques liquides destinées à être utilisées dans de tels procédés. Les compositions de nettoyage comprennent une résine et un directeur de charge dispersé dans un liquide porteur. Les compositions de nettoyage comprennent environ entre 3 % en poids poids et environ 6% en poids de solides non volatils (NVS). Les procédés comprennent le rinçage des composants d'alimentation en encre situés en amont de l'imprimante électrophotographique liquide avec les compositions de nettoyage.
Bibliography:Application Number: WO2018US38031