JPS5678843A - Liquid developer for electrostatic photography - Google Patents
Liquid developer for electrostatic photographyInfo
- Publication number
- JPS5678843A JPS5678843A JP15647979A JP15647979A JPS5678843A JP S5678843 A JPS5678843 A JP S5678843A JP 15647979 A JP15647979 A JP 15647979A JP 15647979 A JP15647979 A JP 15647979A JP S5678843 A JPS5678843 A JP S5678843A
- Authority
- JP
- Japan
- Prior art keywords
- acrylate
- added
- dispersion
- component
- obtd
- 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.)
- Granted
Links
Landscapes
- Liquid Developers In Electrophotography (AREA)
Abstract
PURPOSE: To improve the shelf life of the developer, the adhesion power of the toner, etc. and improve reproducibility of colors, printing resistance, etc. by using the copolymer of the specific monomer which solvates with carrier liquid even before and after polymn. and polyfunctional (meth)acrylate as the toner.
CONSTITUTION: The monomer component A, such as lauryl methacrylate, lauryl acrylate, and vinyl stearate, expressed by the formula, and the monomer component B of polyfunctional (meth)acrylate, such as ethylene diacrylate, trimethyrol propane acrylate, are polymerized at about 0.01:1 in weight ratio of component B: component A in petroleum aliphatic hydrocarbon or halogenated aliphatic hydrocarbon, and the resulted copolymer dispersion is added with polethylene, wax, or silica powder. After the mixture is heated and mixed, it is cooled, whereby the dispersion of dispersed particles of about several μm grain sizes is obtd. COloring agents such as carbon black and polarity control agent are added to this dispersion and a solvent is added thereto, whereby the liquid developer is obtd. R and A are shown as follows respectively.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54156479A JPS5858666B2 (en) | 1979-12-03 | 1979-12-03 | Liquid developer for electrostatography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54156479A JPS5858666B2 (en) | 1979-12-03 | 1979-12-03 | Liquid developer for electrostatography |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5678843A true JPS5678843A (en) | 1981-06-29 |
| JPS5858666B2 JPS5858666B2 (en) | 1983-12-26 |
Family
ID=15628648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54156479A Expired JPS5858666B2 (en) | 1979-12-03 | 1979-12-03 | Liquid developer for electrostatography |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5858666B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0594472A2 (en) * | 1992-09-18 | 1994-04-27 | Minnesota Mining And Manufacturing Company | Liquid toners for use with perfluorinated solvents |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6137561U (en) * | 1984-07-31 | 1986-03-08 | 日本精機株式会社 | Reset device |
-
1979
- 1979-12-03 JP JP54156479A patent/JPS5858666B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0594472A2 (en) * | 1992-09-18 | 1994-04-27 | Minnesota Mining And Manufacturing Company | Liquid toners for use with perfluorinated solvents |
| EP0594472A3 (en) * | 1992-09-18 | 1994-07-27 | Minnesota Mining & Mfg | Liquid toners for use with perfluorinated solvents |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5858666B2 (en) | 1983-12-26 |
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