Liquid electrophotographic ink with a charge director system

Liquid electrophotographic ink with a charge director system

  • CN 102,203,196 A
  • Filed: 11/05/2008
  • Published: 09/28/2011
  • Est. Priority Date: 11/05/2008
  • Status: Active Application
First Claim
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1. liquid electronic printing ink, it comprises:

  • A) liquid vehicle;

    B) ink particle;

    WithC) electric charge guiding agent system, this system comprises;

    I) main electric charge component,Ii) less important electric charge component andIii) elctrical stability additive;

    Printing ink specific conductivity below wherein this electric charge guiding agent system provides;

    the High-Field specific conductivity is about 500 pS/cm of about 100 pS/cm-, a low specific conductivity is about 200 pS/cm of about 20 pS/cm-, the charged conductance of direct current is less than about 30 pS/cm, with the particle specific conductivity be at least 100 pS/cm and wherein this liquid electronic printing ink prepared the printing that is used for the liquid electrophotographic printing machine.

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