ES2100916T3 - ELECTROPHOTOGRAPHIC TONER WITH CHARGE CONTROLLER. - Google Patents

ELECTROPHOTOGRAPHIC TONER WITH CHARGE CONTROLLER.

Info

Publication number
ES2100916T3
ES2100916T3 ES91116862T ES91116862T ES2100916T3 ES 2100916 T3 ES2100916 T3 ES 2100916T3 ES 91116862 T ES91116862 T ES 91116862T ES 91116862 T ES91116862 T ES 91116862T ES 2100916 T3 ES2100916 T3 ES 2100916T3
Authority
ES
Spain
Prior art keywords
toner
charge controller
electrophotographic toner
controlling agent
agent
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.)
Expired - Lifetime
Application number
ES91116862T
Other languages
Spanish (es)
Inventor
Nakano Tetsuya
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.)
Kyocera Mita Industrial Co Ltd
Original Assignee
Mita Industrial Co Ltd
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 JP2268820A external-priority patent/JP2701970B2/en
Priority claimed from JP3052724A external-priority patent/JPH04288557A/en
Application filed by Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Application granted granted Critical
Publication of ES2100916T3 publication Critical patent/ES2100916T3/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
    • G03G9/091—Azo 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
    • 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

Landscapes

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

Abstract

EL "TONER" ELECTROFOTOGRAFICO DE ACUERDO CON LA PRESENTE INVENCION COMPRENDE UNA RESINA AMALGAMADORA, UN AGENTE COLORANTE, UN AGENTE CONTROLADOR DE LA CARGA ELECTRICA Y UN AGENTE DE LIBERACION, DICHO AGENTE CONTROLADOR DE LA CARGA ELECTRICA ESTA REPRESENTADO POR LA FORMULA GENERAL (I) (EN LA QUE R ELEVADO 1, R (AL CUADRADO) , R ELEVADO 3, R ELEVADO 4, Y Y Z ELEVADO + SE DEFINEN EN LAS ESPECIFICACIONES), EL MENCIONADO AGENTE CONTROLADOR DE LA CARGA ELECTRICA TIENE UN VALOR DE PH QUE OSCILA ENTRE 3 Y 5. CON EL USO DEL "TONER" DE LA PRESENTE INVENCION, PUEDE REPRODUCIRSE IMAGENES ESTABLES EVITANDO DE FORMA EFECTIVA EL ESPARCIMIENTO DEL "TONER".THE ELECTROPHOTOGRAPHIC "TONER" IN ACCORDANCE WITH THE PRESENT INVENTION INCLUDES A CROSS RESIN, A COLORING AGENT, AN ELECTRIC LOAD CONTROLLING AGENT AND A RELEASE AGENT, SUCH A CONTROLLING AGENT OF ELECTRIC LOAD IS REPRESENTED BY THE GENERAL FORMULA (I) IN WHICH R HIGH 1, R (SQUARE), R HIGH 3, R HIGH 4, YYZ HIGH + DEFINED IN THE SPECIFICATIONS), THE ABOVE CONTROLLING AGENT OF ELECTRIC CHARGE HAS A PH VALUE THAT RANGES BETWEEN 3 AND 5 WITH THE USE OF THE "TONER" OF THE PRESENT INVENTION, STABLE IMAGES CAN BE REPRODUCED, EFFECTIVELY AVOIDING THE SPREAD OF THE "TONER".

ES91116862T 1990-10-05 1991-10-02 ELECTROPHOTOGRAPHIC TONER WITH CHARGE CONTROLLER. Expired - Lifetime ES2100916T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2268820A JP2701970B2 (en) 1990-10-05 1990-10-05 Electrophotographic toner
JP3052724A JPH04288557A (en) 1991-03-18 1991-03-18 Electrophotographic toner

Publications (1)

Publication Number Publication Date
ES2100916T3 true ES2100916T3 (en) 1997-07-01

Family

ID=26393375

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91116862T Expired - Lifetime ES2100916T3 (en) 1990-10-05 1991-10-02 ELECTROPHOTOGRAPHIC TONER WITH CHARGE CONTROLLER.

Country Status (5)

Country Link
EP (1) EP0479285B1 (en)
KR (1) KR950001824B1 (en)
CA (1) CA2052571A1 (en)
DE (1) DE69125083T2 (en)
ES (1) ES2100916T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100697581B1 (en) * 1999-12-07 2007-03-22 호도가야 가가쿠 고교 가부시키가이샤 Metal complex salt compound and electrostatic image developing toner using the same
DE10032138A1 (en) * 2000-07-01 2002-01-10 Clariant Gmbh Use of iron azo complex compounds as charge control agents
US20050208403A1 (en) 2004-03-18 2005-09-22 Hyo Shu Toner, developer including the toner, and developing device and image forming apparatus using the toner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4954409A (en) * 1986-05-22 1990-09-04 Fuji Xerox Co., Ltd. Developer for electrophotography
US4857432A (en) * 1987-05-18 1989-08-15 Canon Kabushiki Kaisha Toner for developing electrostatic charge image
US4985328A (en) * 1988-09-22 1991-01-15 Hitachi Chemical Co., Ltd. Dry toner, dry developer and process for forming electrophotographic images
JPH02278266A (en) * 1989-04-20 1990-11-14 Hodogaya Chem Co Ltd Electrophotographic developing powder

Also Published As

Publication number Publication date
EP0479285A1 (en) 1992-04-08
DE69125083D1 (en) 1997-04-17
CA2052571A1 (en) 1992-04-06
DE69125083T2 (en) 1997-10-16
EP0479285B1 (en) 1997-03-12
KR950001824B1 (en) 1995-03-03
KR920008541A (en) 1992-05-28

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