JPS5660450A - Production of liquid developer for electrostatic photography - Google Patents
Production of liquid developer for electrostatic photographyInfo
- Publication number
- JPS5660450A JPS5660450A JP13592579A JP13592579A JPS5660450A JP S5660450 A JPS5660450 A JP S5660450A JP 13592579 A JP13592579 A JP 13592579A JP 13592579 A JP13592579 A JP 13592579A JP S5660450 A JPS5660450 A JP S5660450A
- Authority
- JP
- Japan
- Prior art keywords
- solvent
- dispersed
- monomer
- liquid developer
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Liquid Developers In Electrophotography (AREA)
Abstract
PURPOSE: To obtain a developer liquid superior in stability for elapse, by using concentrated toner obtained by dissolving a soluble resin in a small quantity of the solvent used as the liquid developer and adding and polymerizing the material, where a coloring agent is dispersed in the monomer which becomes unsoluble for the solvent by polymerization, in this solvent.
CONSTITUTION: A soluble resin [the linseed oil modified alkyd resin, the (co) polymer of high-class ester of (metha) acrylic acid, and so on] is dissolved in a small quantity of aliphatic hydrocarbon used as the liquid developer and is heated. Meanwhile, the material is prepared where the coloring agnet (carbon black, dye, pigment, and so on) unsoluble for the said solvent as well as the monomer below is dispersed in the monomer of (metha) acrylic acid low-class ester and so on which is soluble for the said solvent and becomes unsoluble due to polymerzation. The material where the polymerization catalyst is added to the monomer with the coloring agent dispersed is added into the said resin solution and is polymerized to obtained an concentrated toner where particles with coloring agent particles coverted with the resin are dispersed. This concentrated toner is dispersed into a large quantity of the said solvent to obtain a liquid developer adapted to offset printing specially.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13592579A JPS5660450A (en) | 1979-10-23 | 1979-10-23 | Production of liquid developer for electrostatic photography |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13592579A JPS5660450A (en) | 1979-10-23 | 1979-10-23 | Production of liquid developer for electrostatic photography |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5660450A true JPS5660450A (en) | 1981-05-25 |
Family
ID=15163051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13592579A Pending JPS5660450A (en) | 1979-10-23 | 1979-10-23 | Production of liquid developer for electrostatic photography |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5660450A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582851A (en) * | 1981-06-29 | 1983-01-08 | Dainippon Printing Co Ltd | Wet type toner for electrophotography |
US5407771A (en) * | 1984-12-10 | 1995-04-18 | Indigo N.V. | Toner and liquid composition using same |
US7077399B2 (en) | 2001-12-14 | 2006-07-18 | Unirec Co., Ltd. | Chip collecting machine |
-
1979
- 1979-10-23 JP JP13592579A patent/JPS5660450A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582851A (en) * | 1981-06-29 | 1983-01-08 | Dainippon Printing Co Ltd | Wet type toner for electrophotography |
JPH0413707B2 (en) * | 1981-06-29 | 1992-03-10 | Dainippon Printing Co Ltd | |
US5407771A (en) * | 1984-12-10 | 1995-04-18 | Indigo N.V. | Toner and liquid composition using same |
US7077399B2 (en) | 2001-12-14 | 2006-07-18 | Unirec Co., Ltd. | Chip collecting machine |
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