CA2541053A1 - Particle external surface additive compositions - Google Patents
Particle external surface additive compositions Download PDFInfo
- Publication number
- CA2541053A1 CA2541053A1 CA002541053A CA2541053A CA2541053A1 CA 2541053 A1 CA2541053 A1 CA 2541053A1 CA 002541053 A CA002541053 A CA 002541053A CA 2541053 A CA2541053 A CA 2541053A CA 2541053 A1 CA2541053 A1 CA 2541053A1
- Authority
- CA
- Canada
- Prior art keywords
- stearate
- toner
- metal
- external additives
- calcium
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09783—Organo-metallic compounds
- G03G9/09791—Metallic soaps of higher carboxylic acids
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/0802—Preparation methods
- G03G9/0804—Preparation methods whereby the components are brought together in a liquid dispersing medium
- G03G9/0806—Preparation methods whereby the components are brought together in a liquid dispersing medium whereby chemical synthesis of at least one of the toner components takes place
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09708—Inorganic compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09708—Inorganic compounds
- G03G9/09725—Silicon-oxides; Silicates
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09783—Organo-metallic compounds
Abstract
A toner having at least one binder, at least one colorant and external additives.
The external additives include at least one of silica and titania, and at least two metal stearates. A developer may be produced including the toner having at least two metal stearates and a carrier. An electrophotographic machine includes the toner with two metal stearates.
The external additives include at least one of silica and titania, and at least two metal stearates. A developer may be produced including the toner having at least two metal stearates and a carrier. An electrophotographic machine includes the toner with two metal stearates.
Claims (20)
1. A toner comprising toner particles of at least one binder, at least one colorant, and external additives, wherein the external additives include at least two metal stearate additives.
2. The toner according to claim 1, wherein the external additives include silica and/or titania.
3. The toner according to claim 1, wherein the two metal stearate additives are selected from the group consisting of zinc stearate, calcium stearate, aluminum stearate and magnesium stearate.
4. The toner according to claim 3, wherein the at least two metal stearates include zinc stearate/calcium stearate, zinc stearate/magnesium stearate, aluminum stearate/calcium stearate, calcium stearate/magnesium stearate or aluminum stearate/magnesium stearate.
5. The toner according to claim 4, wherein the at least two metal stearates include aluminum stearate/calcium stearate.
6. The toner according to claim 1, wherein the toner is an emulsion aggregation styrene/acrylate toner.
7. The toner according to claim 1, wherein the toner is an emulsion aggregation polyester toner.
8. The toner according to claim 1, wherein the toner is a conventional jetted toner.
9. The toner according to claim 1, wherein the at least two metal stearates are about 0.025% to about 5.0% by weight of the toner particles.
10. The toner according to claim 1, wherein the at least two metal stearates comprise a first metal stearate and a second metal stearate, wherein the ratio of the first metal stearate to the second metal stearate ranges from about 4:1 to about 1:1.
11. An electrophotographic image forming apparatus comprising a photoreceptor, a conductive magnetic brush development system, and a housing in association with the conductive magnetic brush development system for a developer comprising a toner comprising toner particles of at least one binder, at least one colorant, and external additives, wherein the external additives include silica and/or titania, and at least two metal stearates selected from the group consisting of zinc stearate, calcium stearate, aluminum stearate and magnesium stearate.
12. The electrophotographic image forming apparatus according to claim 11, wherein the conductive magnetic brush development system is a hybrid jumping development system.
13. The electrophotographic image forming apparatus according to claim 11, wherein the conductive magnetic brush development system is a hybrid scavengeless development system.
14. A developer comprising a carrier and a toner, wherein the toner comprises toner particles of at least one binder, at least one colorant, and external additives, wherein the external additives include at least two metal stearates
15. The developer according to claim 14, wherein the external additives include silica and/or titania.
16. The developer according to claim 14, wherein the two metal stearates are selected from the group consisting of zinc stearate, calcium stearate, aluminum stearate and magnesium stearate.
17. The developer according to claim 16, wherein the at least two metal stearates include zinc stearate/calcium stearate, zinc stearate/magnesium stearate, aluminum stearate/calcium stearate, calcium stearate/magnesium stearate or aluminum stearate/magnesium stearate.
18. The developer according to claim 17, wherein the at least two metal stearates include aluminum stearate/calcium stearate.
19. The developer according to claim 15, wherein the at least two metal stearates are about 0.025% to about 5.0% by weight of the toner particles.
20. The developer according to claim 15, wherein the at least two metal stearates comprise a first metal stearate and a second metal stearate, wherein the ratio of the first metal stearate to the second metal stearate is ranges from about 4:1 to about 1:1.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/094,664 US7312010B2 (en) | 2005-03-31 | 2005-03-31 | Particle external surface additive compositions |
US11/094,664 | 2005-03-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2541053A1 true CA2541053A1 (en) | 2006-09-30 |
CA2541053C CA2541053C (en) | 2009-12-22 |
Family
ID=37030288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002541053A Active CA2541053C (en) | 2005-03-31 | 2006-03-24 | Particle external surface additive compositions |
Country Status (4)
Country | Link |
---|---|
US (1) | US7312010B2 (en) |
JP (1) | JP4907206B2 (en) |
CN (1) | CN1841217B (en) |
CA (1) | CA2541053C (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5391871B2 (en) * | 2009-06-26 | 2014-01-15 | 富士ゼロックス株式会社 | Toner for developing electrostatic image, developer for developing electrostatic image, toner cartridge, process cartridge, and image forming apparatus |
JP2013156430A (en) * | 2012-01-30 | 2013-08-15 | Ricoh Co Ltd | Toner, and image forming apparatus |
CN103558742B (en) * | 2013-11-08 | 2016-11-23 | 天津复印技术研究所 | Fine developer for large-breadth development and preparation method thereof |
JP6402506B2 (en) * | 2014-06-25 | 2018-10-10 | 富士ゼロックス株式会社 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming method, and image forming apparatus |
CN105116699A (en) * | 2015-09-07 | 2015-12-02 | 珠海思美亚碳粉有限公司 | Developing agent and preparation method thereof |
JP6627498B2 (en) * | 2015-12-25 | 2020-01-08 | 富士ゼロックス株式会社 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
JP7063252B2 (en) * | 2018-11-29 | 2022-05-09 | コニカミノルタ株式会社 | Two-component developer for static charge image development |
CN111978652A (en) * | 2020-07-15 | 2020-11-24 | 日彩复合塑料(深圳)有限公司 | Printer shell material and preparation method thereof |
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US3590000A (en) | 1967-06-05 | 1971-06-29 | Xerox Corp | Solid developer for latent electrostatic images |
US3847604A (en) | 1971-06-10 | 1974-11-12 | Xerox Corp | Electrostatic imaging process using nodular carriers |
US3981272A (en) | 1974-11-20 | 1976-09-21 | Xerox Corporation | Mag brush housing with detachable sump section |
US3961272A (en) * | 1974-12-17 | 1976-06-01 | Witriol Norman M | Encoding altimeter |
JPS575630Y2 (en) | 1977-01-31 | 1982-02-02 | ||
US4265990A (en) | 1977-05-04 | 1981-05-05 | Xerox Corporation | Imaging system with a diamine charge transport material in a polycarbonate resin |
JPS58168595U (en) | 1982-05-06 | 1983-11-10 | 株式会社サカシタ | leather |
US4558108A (en) | 1982-12-27 | 1985-12-10 | Xerox Corporation | Aqueous suspension polymerization process |
US4678734A (en) | 1985-07-05 | 1987-07-07 | Xerox Corporation | Process for developer compositions |
US4935326A (en) | 1985-10-30 | 1990-06-19 | Xerox Corporation | Electrophotographic carrier particles coated with polymer mixture |
US4937166A (en) | 1985-10-30 | 1990-06-26 | Xerox Corporation | Polymer coated carrier particles for electrophotographic developers |
US4771314A (en) | 1986-12-29 | 1988-09-13 | Xerox Corporation | Developer apparatus for a highlight printing apparatus |
US4901114A (en) | 1987-03-30 | 1990-02-13 | Xerox Corporation | Tri level xerography using a MICR toner in combination with a non-MICR toner |
US4833504A (en) | 1987-08-31 | 1989-05-23 | Xerox Corporation | Single pass highlight color printer including a scavengeless developer housing |
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JP2657995B2 (en) | 1988-07-27 | 1997-09-30 | 三田工業株式会社 | Toner composition |
US4948686A (en) | 1989-04-24 | 1990-08-14 | Xerox Corporation | Process for forming two-color images |
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JP4093023B2 (en) * | 2002-11-15 | 2008-05-28 | コニカミノルタビジネステクノロジーズ株式会社 | Nonmagnetic one-component developing toner and image forming method |
-
2005
- 2005-03-31 US US11/094,664 patent/US7312010B2/en active Active
-
2006
- 2006-03-24 CA CA002541053A patent/CA2541053C/en active Active
- 2006-03-24 JP JP2006082656A patent/JP4907206B2/en active Active
- 2006-03-30 CN CN2006100683916A patent/CN1841217B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN1841217B (en) | 2012-09-05 |
JP4907206B2 (en) | 2012-03-28 |
US7312010B2 (en) | 2007-12-25 |
CN1841217A (en) | 2006-10-04 |
JP2006285240A (en) | 2006-10-19 |
CA2541053C (en) | 2009-12-22 |
US20060222986A1 (en) | 2006-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |