CA2121893A1 - Colored toner for developing electrostatic image - Google Patents

Colored toner for developing electrostatic image

Info

Publication number
CA2121893A1
CA2121893A1 CA002121893A CA2121893A CA2121893A1 CA 2121893 A1 CA2121893 A1 CA 2121893A1 CA 002121893 A CA002121893 A CA 002121893A CA 2121893 A CA2121893 A CA 2121893A CA 2121893 A1 CA2121893 A1 CA 2121893A1
Authority
CA
Canada
Prior art keywords
colored toner
developing electrostatic
electrostatic image
treatment agent
polar groups
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
Application number
CA002121893A
Other languages
French (fr)
Other versions
CA2121893C (en
Inventor
Hiroshi Kamada
Hitoshi Masuda
Yukinobu Hasegawa
Hiroyoshi Shimomura
Hiroshi Serizawa
Kensuke Okuda
Masatoshi Maruyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Business Innovation Corp
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP3301214A external-priority patent/JP3037799B2/en
Priority claimed from JP03308237A external-priority patent/JP3114295B2/en
Application filed by Individual filed Critical Individual
Publication of CA2121893A1 publication Critical patent/CA2121893A1/en
Application granted granted Critical
Publication of CA2121893C publication Critical patent/CA2121893C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G03G9/09—Colouring agents for toner particles
    • G03G9/0906—Organic dyes
    • 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
    • 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
    • G03G9/0821—Developers with toner particles characterised by physical parameters
    • 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
    • G03G9/0825—Developers with toner particles characterised by their structure; characterised by non-homogenuous distribution of components
    • 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
    • G03G9/087—Binders for toner particles
    • G03G9/08784—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775
    • G03G9/08791—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775 characterised by the presence of specified groups or side chains

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

A colored toner for developing electrostatic images which has a degree of gelation of 2.0% or less and comprises an association of secondary particles contain-ing polymer particles having acidic polar groups or basic polar groups and an organic pigment and/or an organic dye treated with a treatment agent containing a surface treatment agent which has the same ionic character as the polymer particles so that the absolute value of ~-poten-tial becomes 10 to 100 mV at pH 5, and a developer for electrostatic images which comprises this colored toner and a carrier.
CA002121893A 1991-10-22 1992-10-21 Colored toner for developing electrostatic image Expired - Lifetime CA2121893C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP3301214A JP3037799B2 (en) 1991-10-22 1991-10-22 Color toner for electrostatic image development
JP3/301214 1991-10-22
JP3/308237 1991-10-29
JP03308237A JP3114295B2 (en) 1991-10-29 1991-10-29 Toner for electrostatic image development
PCT/JP1992/001371 WO1993008510A1 (en) 1991-10-22 1992-10-21 Colored toner for developing electrostatic image

Publications (2)

Publication Number Publication Date
CA2121893A1 true CA2121893A1 (en) 1993-04-29
CA2121893C CA2121893C (en) 2003-01-21

Family

ID=26562605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002121893A Expired - Lifetime CA2121893C (en) 1991-10-22 1992-10-21 Colored toner for developing electrostatic image

Country Status (4)

Country Link
EP (1) EP0609443B1 (en)
CA (1) CA2121893C (en)
DE (1) DE69228314T2 (en)
WO (1) WO1993008510A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9708815D0 (en) 1997-05-01 1997-06-25 Zeneca Ltd Process for making particulate compositions
GB9806934D0 (en) * 1998-04-01 1998-05-27 Zeneca Ltd Process for making particulate compositions
JP6310827B2 (en) * 2014-09-16 2018-04-11 株式会社東芝 Method for producing toner for electrophotography

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615749A (en) * 1970-06-19 1971-10-26 American Cyanamid Co Printing ink of improved blackness
US4218530A (en) * 1977-05-02 1980-08-19 Xerox Corporation Single component magnetic toner
US4621039A (en) * 1984-12-18 1986-11-04 Xerox Corporation Developer compositions with fast admixing characteristics
JPH0687174B2 (en) * 1986-11-11 1994-11-02 東洋インキ製造株式会社 Toner for electrostatic charge development
JP2537503B2 (en) * 1987-01-29 1996-09-25 日本カーバイド工業株式会社 Toner for electrostatic image development
JP2547014B2 (en) * 1987-05-15 1996-10-23 日本カーバイド工業株式会社 Toner for electrostatic image development
EP0302939B1 (en) * 1987-01-29 1997-06-11 Nippon Carbide Kogyo Kabushiki Kaisha Toner for developing electrostatically charged image
JPH01186964A (en) * 1988-01-20 1989-07-26 Minolta Camera Co Ltd Photoconductive toner and production thereof
JPH03267947A (en) * 1989-07-31 1991-11-28 Ricoh Co Ltd Color toner for developing electrostatic charge image
US5118588A (en) * 1990-03-30 1992-06-02 Eastman Kodak Company Toner particles having improved transfer efficiency and which comprise a pigment surface modifier

Also Published As

Publication number Publication date
EP0609443A4 (en) 1995-04-19
WO1993008510A1 (en) 1993-04-29
EP0609443B1 (en) 1999-01-27
DE69228314D1 (en) 1999-03-11
EP0609443A1 (en) 1994-08-10
DE69228314T2 (en) 1999-06-10
CA2121893C (en) 2003-01-21

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry
MKEX Expiry

Effective date: 20121022