公开(公告)号：US20200301304A1

公开(公告)日：2020-09-24

申请号：US16084077

申请日：2017-03-03

申请人： ARKEMA FRANCE ,  UNIVERSITÉ DE BORDEAUX ,  INSTITUT POLYTECHNIQUE DE BORDEAUX ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE

发明人： Deborah MIRBEL ,  Christophe NAVARRO ,  Cyril BROCHON ,  Éric CLOUTET ,  Georges HADZIIOANNOU

IPC分类号： G03G9/125 ,  G03G9/135

摘要： Some embodiments relate to an electrophoretic ink including particles that may have a negative charge, dispersed in a non-polar organic solvent. The ink includes a trialkylamine charge-control agent, selected from the following charge-control agents: tributylamine, triisobutylamine, tripentylamine, trihexylamine, tri(2-ethylhexyl)amine, trioctylamine, triisooctylamine, tridodecylamine, triisododecylamine. The particles have a hydrophobic surface and an isoelectric point (IEP) or a point of zero charge (PZC) that is lower than the pKa of the charge-control agent.