Liquid developing agent
US9429863B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2014 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Feb 4, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1355
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The object of the present invention is to provide a liquid developing agent for electrophotography or electrostatic recording obtained by utilizing the coacervation method, wherein such liquid developing agent has good abrasion resistance. To this end, a liquid developing agent is provided which is obtained by utilizing the coacervation method, comprising insulating liquid in which colored resin particles formed by at least pigment, pigment dispersant, acid-group-containing resin, binder resin, and resin whose glass transition temperature is −120 to −60° C. are dispersed, wherein the resin whose glass transition temperature is −120 to −60° C. is contained in the colored resin particle by 1.0 to 5.0 percent by mass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.