Liquid developer
AssigneeMinolta Co., Ltd.
InventorsToshimitsu Fujiwara, Shuji Iino, Hidetoshi Miyamoto
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Abstract
The present invention provides a liquid developer for electrophotography comprising: carrier liquid, and toner particles, dispersed in the carrier liquid, formed of binder resin and colorant, wherein said carrier liquid contains acidic dispersion resin and basic dispersion resin which are soluble in said carrier liquid. Further, the present invention provides a liquid developer for electrophotography comprising: carrier liquid, and toner particles, dispersed in the carrier liquid, formed of binder resin and colorant, wherein said liquid developer contains a basic dispersion resin that is soluble in said carrier liquid and has a moisture content of 500.about.20,000 ppm, and has an acidic group on the surface of the toner particle.
Claims24
A liquid developer comprising:
- carrier liquid, and
- toner particles, dispersed in the carrier liquid, formed of binder resin and colorant, wherein said carrier liquid contains acidic dispersion resin and basic dispersion resin which are soluble in said carrier liquid,
- said liquid developer having a moisture content of 500-20,000 ppm.
A liquid developer for electrophotography comprising:
- carrier liquid, and
- toner particles, dispersed in the carrier liquid, formed of binder resin and colorant, wherein said liquid developer contains a basic dispersion resin that is soluble in said carrier liquid and has a moisture content of 500-20,000 ppm, and has an acidic group on the surface of the toner particle.
A liquid developer comprising:
- carrier liquid;
- and
- toner particles, dispersed in the carrier liquid, formed of a binder resin and colorant, wherein said carrier liquid contains acidic dispersion resin and a basic dispersion resin which are soluble in said carrier liquid, said basic dispersion resin comprising a basic heterocyclic compound containing nitrogen atoms,
- said liquid developer having a moisture content of 500-20,000 ppm.
A liquid developer comprising:
- carrier liquid;
- and
- toner particles, dispersed in the carrier liquid, formed of a binder resin and colorant, wherein said carrier liquid contains acidic dispersion resin and basic dispersion resin which are soluble in said carrier liquid, said basic dispersion resin having a basic backbone structure of pyrolizine or oxazine and being copolymer or methacrylate ester having an alkyl group with 10-20 carbon atoms,
- said liquid developer having a moisture content of 500-20,000 ppm.
Dependencies are inferred from the claim text.