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公开(公告)号:US20220206408A1
公开(公告)日:2022-06-30
申请号:US17429649
申请日:2019-07-26
发明人: Doron SCHLUMM , Mark SANDLER , Assaf PINES , Gilad NOY , Orel Yosef MIZRAHI
摘要: Herein is disclosed a method for concentrating a liquid electrostatic ink composition, the method comprising replacing a first liquid carrier in a liquid electrostatic ink composition with a second liquid carrier, wherein the liquid electrostatic ink composition comprises chargeable toner particles dispersed in the first liquid carrier; and removing the second liquid carrier to produce a concentrated liquid electrostatic ink composition, wherein the second liquid carrier has a boiling point below 100° C. and wherein the second liquid carrier has a lower boiling point than the first liquid carrier. Also disclosed herein is a concentrated liquid electrostatic ink composition producible according to the method.
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公开(公告)号:US20220066347A1
公开(公告)日:2022-03-03
申请号:US17435557
申请日:2019-10-11
发明人: Hanit MAROM TCHAICHEEYAN , Albert TEISHEV , Doron GUROVICH , Vladislav KAPLOUN , Orel Yosef MIZRAHI , Hodaya KEISAR , Gilad NOY , Adi Mann
摘要: Described herein is a liquid electrophotographic ink composition comprising: a thermoplastic resin comprising a polymer having acidic side groups; a charge adjuvant comprising a complex of a metal(II) cation and two monovalent anions; or a complex of a metal(III) cation and three monovalent anions; or a complex of a metal(III) cation, a monovalent anion and a divalent anion, wherein each monovalent anion is independently selected from carboxylate anions having from 2 to 16 carbon atoms and alkoxide anions having from 1 to 16 carbon atoms; and wherein the divalent anion is selected form the oxo group, dicarboxylate anions having from 2 to 16 carbon atoms, and dialkoxide anions having from 1 to 16 carbon atoms; and a liquid carrier. Also described herein is a method of producing the liquid electrophotographic ink composition and a printed substrate.
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