CA2612962A1 - Toner compositions - Google Patents
Toner compositions Download PDFInfo
- Publication number
- CA2612962A1 CA2612962A1 CA002612962A CA2612962A CA2612962A1 CA 2612962 A1 CA2612962 A1 CA 2612962A1 CA 002612962 A CA002612962 A CA 002612962A CA 2612962 A CA2612962 A CA 2612962A CA 2612962 A1 CA2612962 A1 CA 2612962A1
- Authority
- CA
- Canada
- Prior art keywords
- poly
- resinates
- styrene
- latex
- toner
- 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
- G03G9/093—Encapsulated toner particles
- G03G9/09307—Encapsulated toner particles specified by the shell material
- G03G9/09314—Macromolecular compounds
- G03G9/09321—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- G03G9/093—Encapsulated toner particles
- G03G9/09307—Encapsulated toner particles specified by the shell material
- G03G9/09314—Macromolecular 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
- G03G9/093—Encapsulated toner particles
- G03G9/09307—Encapsulated toner particles specified by the shell material
- G03G9/09314—Macromolecular compounds
- G03G9/09328—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- G03G9/093—Encapsulated toner particles
- G03G9/09307—Encapsulated toner particles specified by the shell material
- G03G9/09335—Non-macromolecular organic 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
- G03G9/093—Encapsulated toner particles
- G03G9/09392—Preparation thereof
Abstract
A toner having its surface functionalized with alkaline resins is provided, and processes for producing the same.
Claims (20)
1. A toner comprising:
a core comprising a first latex, a colorant, and an optional wax; and a shell comprising a second latex functionalized with an alkaline resin.
a core comprising a first latex, a colorant, and an optional wax; and a shell comprising a second latex functionalized with an alkaline resin.
2. A toner as in claim 1, wherein the first latex and the second latex are the same or different and are selected from the group consisting of styrenes, acrylates, methacrylates, butadienes, isoprenes, acrylic acids, methacrylic acids, acrylonitriles, and combinations thereof, the first latex has a glass transition temperature from about 45°C to about 65°C, and the second latex has a glass transition temperature from about 45°C to about 70°C.
3. A toner as in claim 1, wherein the first latex and the second latex are the same or different and are selected from the group consisting of poly(styrene-butadiene), poly(methyl methacrylate-butadiene), poly(ethyl methacrylate-butadiene), poly(propyl methacrylate-butadiene), poly(butyl methacrylate-butadiene), poly(methyl acrylate-butadiene), poly(ethyl acrylate-butadiene), poly(propyl acrylate-butadiene), poly(butyl acrylate-butadiene), poly(styrene-isoprene), poly(methylstyrene-isoprene), poly(methyl methacrylate-isoprene), poly(ethyl methacrylate-isoprene), poly(propyl methacrylate-isoprene), poly(butyl methacrylateisoprene), poly(methyl acrylate-isoprene), poly(ethyl acrylate-isoprene), poly(propyl acrylate-isoprene), poly(butyl acrylate-isoprene), poly(styrene-butylacrylate), poly(styrene-butadiene), poly(styrene-isoprene), poly(styrene-butyl methacrylate), poly(styrene-butyl acrylate-acrylic acid), poly(styrene-butadiene-acrylic acid), poly(styrene-isoprene-acrylic acid), poly(styrene-butyl methacrylate-acrylic acid), poly(butyl methacrylate-butyl acrylate), poly(butyl methacrylate-acrylic acid), poly(styrene-butyl acrylate-acrylonitrile-acrylic acid), poly(acrylonitrile-butyl acrylate-acrylic acid), and combinations thereof.
4. A toner as in claim 1, wherein the first latex and optionally the second latex are contacted with a stabilizer of formula wherein R1 is selected from the group consisting of hydrogen and methyl, R2 and R3 are independently selected from the group consisting of alkyl groups having from about 1 to about 12 carbon atoms and phenyl groups, and n is from about 0 to about 20.
5. A toner as in claim 4, wherein the stabilizer is selected from the group consisting of beta carboxyethyl acrylate, poly(2-carboxyethyl) acrylate, 2-carboxyethyl methacrylate, and acrylic acid and its derivatives.
6. A toner as in claim 1, wherein the alkaline resin functional groups of the second latex are selected from the group consisting of calcium resinates, beryllium resinates, magnesium resinates, strontium resinates, barium resinates, radium resinates, zinc resinates, aluminum resinates, copper resinates, iron resinates, and combinations thereof.
7. A toner as in claim 1, wherein the alkaline resin functional groups of the second latex comprise a calcium resinate selected from the group consisting of
8. A toner as in claim 1, wherein the colorant comprises a magenta pigment selected from the group consisting of Pigment Red 122, Pigment Red 185, Pigment Red 192, Pigment Red 202, Pigment Red 206, Pigment Red 235, Pigment Red 269, and combinations thereof.
9. A toner as in claim 1, wherein the first latex comprises a poly(styrene-butyl acrylate) optionally possessing functional groups comprising an alkaline resin, and the second latex comprises a poly(styrene-butyl acrylate) functionalized with a calcium resinate.
10. A toner as in claim 1, wherein the toner particles have a size from about 1 micron to about 20 microns, and a circularity from about 0.9 to about 0.99.
11. A toner as in claim 1, wherein the toner particles possess a ratio of J-Zone charge to B-Zone charge from about 1 to about 2, and a ratio of J-Zone charge to A-Zone charge from about 1.15 to about 2.55.
12. A toner as in claim 1, wherein the toner particles possess a BET
surface area of from about 1 m2/g to about 5 m2/g.
surface area of from about 1 m2/g to about 5 m2/g.
13. A developer composition comprising the toner of claim 1.
14. A toner comprising a latex, a colorant, and an optional wax possessing particles having a BET surface area of from about 1 m2/g to about 5 m2/g, a ratio of J-Zone charge to B-Zone charge from about 1 to about 2, and a ratio of J-Zone charge to A-Zone charge from about 1.15 to about 2.55.
15. The toner of claim 14, wherein the latex is selected from the group consisting of styrenes, acrylates, methacrylates, butadienes, isoprenes, acrylic acids, methacrylic acids, acrylonitriles, and combinations thereof, having a glass transition temperature from about 45°C to about 65°C.
16. The toner of claim 14, wherein the colorant comprises a magenta pigment selected from the group consisting of Pigment Red 122, Pigment Red 185, Pigment Red 192, Pigment Red 202, Pigment Red 206, Pigment Red 235, Pigment Red 269, and combinations thereof.
17. The toner of claim 14, wherein the toner further comprises a shell comprising a second latex functionalized with an alkaline resin.
18. The toner of claim 17, wherein the second latex is selected from the group consisting of styrenes, acrylates, methacrylates, butadienes, isoprenes, acrylic acids, methacrylic acids, acrylonitriles, and combinations thereof, having a glass transition temperature from about 45°C to about 70°C and the alkaline resin functional groups of the second latex are selected from the group consisting of calcium resinates, beryllium resinates, magnesium resinates, strontium resinates, barium resinates, radium resinates, zinc resinates, aluminum resinates, copper resinates, iron resinates, and combinations thereof.
19. A toner comprising:
a core comprising a first latex selected from the group consisting of styrenes, acrylates, methacrylates, butadienes, isoprenes, acrylic acids, methacrylic acids, acrylonitriles, and combinations thereof having a glass transition temperature from about 45°C to about 65°C, a colorant comprising a magenta pigment selected from the group consisting of Pigment Red 122, Pigment Red 185, Pigment Red 192, Pigment Red 202, Pigment Red 206, Pigment Red 235, Pigment Red 269, and combinations thereof, and an optional wax; and a shell comprising a second latex selected from the group consisting of styrenes, acrylates, methacrylates, butadienes, isoprenes, acrylic acids, methacrylic acids, acrylonitriles, and combinations thereof having a glass transition temperature from about 45°C to about 70°C, functionalized with an alkaline resin selected from the group consisting of calcium resinates, beryllium resinates, magnesium resinates, strontium resinates, barium resinates, radium resinates, zinc resinates, aluminum resinates, copper resinates, iron resinates, and combinations thereof.
a core comprising a first latex selected from the group consisting of styrenes, acrylates, methacrylates, butadienes, isoprenes, acrylic acids, methacrylic acids, acrylonitriles, and combinations thereof having a glass transition temperature from about 45°C to about 65°C, a colorant comprising a magenta pigment selected from the group consisting of Pigment Red 122, Pigment Red 185, Pigment Red 192, Pigment Red 202, Pigment Red 206, Pigment Red 235, Pigment Red 269, and combinations thereof, and an optional wax; and a shell comprising a second latex selected from the group consisting of styrenes, acrylates, methacrylates, butadienes, isoprenes, acrylic acids, methacrylic acids, acrylonitriles, and combinations thereof having a glass transition temperature from about 45°C to about 70°C, functionalized with an alkaline resin selected from the group consisting of calcium resinates, beryllium resinates, magnesium resinates, strontium resinates, barium resinates, radium resinates, zinc resinates, aluminum resinates, copper resinates, iron resinates, and combinations thereof.
20. The toner of claim 19, wherein the first latex and the second latex are the same or different and are selected from the group consisting of poly(styrene-butadiene), poly(methyl methacrylate-butadiene), poly(ethyl methacrylate-butadiene), poly(propyl methacrylate-butadiene), poly(butyl methacrylate-butadiene), poly(methyl acrylate-butadiene), poly(ethyl acrylate-butadiene), poly(propyl acrylate-butadiene), poly(butyl acrylate-butadiene), poly(styrene-isoprene), poly(methylstyrene-isoprene), poly(methyl methacrylate-isoprene), poly(ethyl methacrylate-isoprene), poly(propyl methacrylate-isoprene), poly(butyl methacrylateisoprene), poly(methyl acrylate-isoprene), poly(ethyl acrylate-isoprene), poly(propyl acrylate-isoprene), poly(butyl acrylate-isoprene), poly(styrene-butylacrylate), poly(styrene-butadiene), poly(styrene-isoprene), poly(styrene-butyl methacrylate), poly(styrene-butyl acrylate-acrylic acid), poly(styrene-butadiene-acrylic acid), poly(styrene-isoprene-acrylic acid), poly(styrene-butyl methacrylate-acrylic acid), poly(butyl methacrylate-butyl acrylate), poly(butyl methacrylate-acrylic acid), poly(styrene-butyl acrylate-acrylonitrile-acrylic acid), poly(acrylonitrile-butyl acrylate-acrylic acid), and combinations thereof, and the alkaline resin functional groups of the second latex comprise a calcium resinate selected from the group consisting of
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/636,081 | 2006-12-08 | ||
US11/636,081 US7727696B2 (en) | 2006-12-08 | 2006-12-08 | Toner compositions |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2612962A1 true CA2612962A1 (en) | 2008-06-08 |
CA2612962C CA2612962C (en) | 2012-07-03 |
Family
ID=39434234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2612962A Expired - Fee Related CA2612962C (en) | 2006-12-08 | 2007-11-30 | Toner compositions |
Country Status (6)
Country | Link |
---|---|
US (1) | US7727696B2 (en) |
EP (1) | EP1939235B1 (en) |
JP (1) | JP5118456B2 (en) |
CN (1) | CN101196703B (en) |
BR (1) | BRPI0705955A (en) |
CA (1) | CA2612962C (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7691552B2 (en) * | 2006-08-15 | 2010-04-06 | Xerox Corporation | Toner composition |
JP4551952B2 (en) * | 2008-07-04 | 2010-09-29 | シャープ株式会社 | Resin-coated carrier, two-component developer, developing device, and image forming apparatus |
JP4741684B2 (en) * | 2009-01-21 | 2011-08-03 | シャープ株式会社 | Two-component developer, developing device and image forming apparatus |
US8580469B2 (en) * | 2011-12-15 | 2013-11-12 | Xerox Corporation | Colored toners |
US20170075241A1 (en) | 2015-09-14 | 2017-03-16 | King Abdulaziz City For Science And Technology | POLYMERIZED TONER MATERIAL COMPRISING SILICON (Si) NANOPARTICLES AND PROCESS FOR ITS PREPARATION |
US10534280B2 (en) * | 2015-12-18 | 2020-01-14 | Hp Indigo B.V. | Electrostatic ink compositions |
Family Cites Families (50)
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US2874063A (en) * | 1953-03-23 | 1959-02-17 | Rca Corp | Electrostatic printing |
NL253124A (en) * | 1959-06-27 | |||
US3590000A (en) * | 1967-06-05 | 1971-06-29 | Xerox Corp | Solid developer for latent electrostatic images |
US3720617A (en) * | 1970-05-20 | 1973-03-13 | Xerox Corp | An electrostatic developer containing modified silicon dioxide particles |
US3983045A (en) * | 1971-10-12 | 1976-09-28 | Xerox Corporation | Three component developer composition |
US3944493A (en) * | 1974-05-16 | 1976-03-16 | Eastman Kodak Company | Electrographic toner and developer composition |
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US4079014A (en) * | 1976-07-21 | 1978-03-14 | Eastman Kodak Company | Electrographic toner and developer composition containing a 4-aza-1-azoniabicyclo(2.2.2) octane salt as a charge control agent |
US4265990A (en) * | 1977-05-04 | 1981-05-05 | Xerox Corporation | Imaging system with a diamine charge transport material in a polycarbonate resin |
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JPH0740142B2 (en) * | 1985-11-05 | 1995-05-01 | 日本カーバイド工業株式会社 | Toner for electrostatic image development |
US4996127A (en) * | 1987-01-29 | 1991-02-26 | Nippon Carbide Kogyo Kabushiki Kaisha | Toner for developing an electrostatically charged image |
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US7307111B2 (en) * | 2004-12-16 | 2007-12-11 | Xerox Corporation | Polymer particles containing a cross-linked polymer core and a linear non-cross-linked polymer shell, and toner formed therefrom |
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-
2006
- 2006-12-08 US US11/636,081 patent/US7727696B2/en active Active
-
2007
- 2007-11-30 CA CA2612962A patent/CA2612962C/en not_active Expired - Fee Related
- 2007-12-05 JP JP2007314654A patent/JP5118456B2/en active Active
- 2007-12-07 CN CN2007101989143A patent/CN101196703B/en not_active Expired - Fee Related
- 2007-12-07 EP EP07122688.0A patent/EP1939235B1/en active Active
- 2007-12-10 BR BRPI0705955-8A patent/BRPI0705955A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
BRPI0705955A (en) | 2008-07-29 |
EP1939235B1 (en) | 2013-05-01 |
CN101196703B (en) | 2012-08-08 |
CA2612962C (en) | 2012-07-03 |
JP2008146064A (en) | 2008-06-26 |
US20080138732A1 (en) | 2008-06-12 |
EP1939235A2 (en) | 2008-07-02 |
CN101196703A (en) | 2008-06-11 |
US7727696B2 (en) | 2010-06-01 |
EP1939235A3 (en) | 2009-09-09 |
JP5118456B2 (en) | 2013-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20201130 |