ES2099141T3 - Revelador magnetico para electrofotografia. - Google Patents

Revelador magnetico para electrofotografia.

Info

Publication number
ES2099141T3
ES2099141T3 ES91311122T ES91311122T ES2099141T3 ES 2099141 T3 ES2099141 T3 ES 2099141T3 ES 91311122 T ES91311122 T ES 91311122T ES 91311122 T ES91311122 T ES 91311122T ES 2099141 T3 ES2099141 T3 ES 2099141T3
Authority
ES
Spain
Prior art keywords
electrophotography
toner
silice
sub
external circumference
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
ES91311122T
Other languages
English (en)
Inventor
Shigeki Yamada
Hidenori Asada
Takeshi Arakawa
Nobuyuki Tsuji
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
Application filed by Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Application granted granted Critical
Publication of ES2099141T3 publication Critical patent/ES2099141T3/es
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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • 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
    • G03G9/0827—Developers with toner particles characterised by their shape, e.g. degree of sphericity
    • 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
    • G03G9/097—Plasticisers; Charge controlling agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/001—Electric or magnetic imagery, e.g., xerography, electrography, magnetography, etc. Process, composition, or product
    • Y10S430/104—One component toner

Landscapes

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

Abstract

UN DESARROLLO MAGNETICO DE UN COMPONENTE PARA ELECTROFOTOGRAFIA QUE CONSTA DE PARTICULAS DE TONER MAGNETICAS SIMPLES Y AL MENOS UN ADITIVO PARTICULADO FINO SELECCIONADO DE SILICE HIDROFOBICO, SILICE HIDROFILICO Y ALUMINIO, EN EL QUE LAS PARTICULAS DE TONER TIENEN UNA ZONA DE SUPERFICIE ESPECIFICA DE 1,4 A 2,0 M SUB 2/G Y UN GRADO ESFERICO (GE) DE 70 A 90% SEGUN DEFINE LA FORMULA (I) EN LA QUE C SUB C ES LA CIRCUNFERENCIA EXTERIOR DE UN CIRCULO QUE TIENE LA MISMA SUPERFICIE QUE LA ZONA PROYECTADA DEL TONER, Y CT ES LA CIRCUNFERENCIA EXTERNA REAL DEL PLANO PROYECTADO DEL TONER. EL DESARROLLADO POSEE EXCELENTE CAPACIDAD DE FLUJO Y PUEDE RENDIR UNA IMAGEN DE ALTA DENSIDAD.
ES91311122T 1990-11-30 1991-11-29 Revelador magnetico para electrofotografia. Expired - Lifetime ES2099141T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2334581A JP2726154B2 (ja) 1990-11-30 1990-11-30 電子写真用磁性現像剤

Publications (1)

Publication Number Publication Date
ES2099141T3 true ES2099141T3 (es) 1997-05-16

Family

ID=18279004

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91311122T Expired - Lifetime ES2099141T3 (es) 1990-11-30 1991-11-29 Revelador magnetico para electrofotografia.

Country Status (8)

Country Link
US (1) US5232806A (es)
EP (1) EP0488789B1 (es)
JP (1) JP2726154B2 (es)
KR (1) KR920010368A (es)
CA (1) CA2056685A1 (es)
DE (1) DE69124209T2 (es)
ES (1) ES2099141T3 (es)
TW (1) TW227051B (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5985506A (en) * 1992-07-29 1999-11-16 Matsushita Electric Industrial Co., Ltd. Reversal electrophotographic developing method employing recyclable magnetic toner
EP0581257B1 (en) * 1992-07-29 1998-11-18 Matsushita Electric Industrial Co., Ltd. Electrophotographic magnetic toner for development an image and a method of producing the same
JP3223635B2 (ja) * 1993-03-18 2001-10-29 富士ゼロックス株式会社 磁性トナー
US5702858A (en) * 1994-04-22 1997-12-30 Matsushita Electric Industrial Co., Ltd. Toner
US5561019A (en) * 1994-04-22 1996-10-01 Matsushita Electric Industrial Co., Ltd. Magnetic toner
US5906906A (en) * 1994-08-29 1999-05-25 Mita Industrial Co., Ltd. Recycle developing process
JP3110621B2 (ja) * 1994-08-29 2000-11-20 京セラミタ株式会社 リサイクル現像方法
US5912100A (en) * 1996-01-31 1999-06-15 Ricoh Company, Ltd. Toner for developing electrostatic images
EP0860746B1 (en) * 1997-02-20 2005-11-09 Sharp Kabushiki Kaisha Method of manufacturing of an electrophotographic toner
JP2000003068A (ja) 1998-04-14 2000-01-07 Minolta Co Ltd 静電潜像現像用トナ―
US6214511B1 (en) 1999-05-19 2001-04-10 Sharp Kabushiki Kaisha Toner and manufacturing method thereof
US6733940B2 (en) * 2001-04-04 2004-05-11 Tomoegawa Paper Co., Ltd. Toner for magnetic ink character recognition system and non-magnetic monocomponent development method
EP1276017B1 (en) * 2001-07-11 2006-06-14 Seiko Epson Corporation Non-magnetic single-component toner, method of preparing the same, and image forming apparatus using the same
ATE398793T1 (de) * 2002-03-15 2008-07-15 Seiko Epson Corp Tonerherstellungsverfahren, und toner
US7273686B2 (en) 2003-08-01 2007-09-25 Canon Kabushiki Kaisha Toner
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
WO2006120772A1 (ja) * 2005-05-10 2006-11-16 Koa Glass Co., Ltd 抗菌性繊維およびその製造方法
JP2007033947A (ja) * 2005-07-27 2007-02-08 Kyocera Mita Corp 画像形成装置用現像剤
JP2007334163A (ja) * 2006-06-16 2007-12-27 Sharp Corp 電子写真用トナーおよび電子写真用トナーの製造方法
CN105573077A (zh) * 2016-03-17 2016-05-11 湖北远东卓越科技股份有限公司 一种高浓度磁性碳粉及其制备工艺
JP6817916B2 (ja) * 2017-09-04 2021-01-20 信越化学工業株式会社 静電荷像現像用トナー外添剤の製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526851A (en) * 1983-09-06 1985-07-02 Trw Inc. Magnetic developer compositions
JPH0810341B2 (ja) * 1986-05-28 1996-01-31 キヤノン株式会社 磁性トナ−
JPS6383733A (ja) * 1986-09-29 1988-04-14 Fuji Xerox Co Ltd 電子写真用現像剤
US4973541A (en) * 1986-10-03 1990-11-27 Minolta Camera Kabushiki Kaisha Electrostatic latent image developer comprising capsule toner of irregular shape, wrinkled surface
DE3809662A1 (de) * 1987-03-24 1988-10-06 Konishiroku Photo Ind Toner, verfahren zur herstellung sphaerischer tonerteilchen und deren verwendung in entwicklern
JPH07113787B2 (ja) * 1987-03-31 1995-12-06 キヤノン株式会社 静電荷像現像用現像剤の製造方法
JPS63250658A (ja) * 1987-04-07 1988-10-18 Seiko Epson Corp 一成分トナ−
JPH02256065A (ja) * 1988-12-19 1990-10-16 Konica Corp 磁性トナー
ES2076986T3 (es) * 1989-04-26 1995-11-16 Canon Kk Revelador magnetico, metodo para la formacion de imagenes y aparato para la formacion de imagenes.
JP2728933B2 (ja) * 1989-04-27 1998-03-18 キヤノン株式会社 磁性現像剤
JP2769887B2 (ja) * 1989-11-09 1998-06-25 キヤノン株式会社 画像形成方法
JPH07111588B2 (ja) * 1990-04-11 1995-11-29 株式会社巴川製紙所 磁性トナー

Also Published As

Publication number Publication date
TW227051B (es) 1994-07-21
EP0488789B1 (en) 1997-01-15
KR920010368A (ko) 1992-06-26
DE69124209T2 (de) 1997-08-14
DE69124209D1 (de) 1997-02-27
US5232806A (en) 1993-08-03
CA2056685A1 (en) 1992-05-31
JP2726154B2 (ja) 1998-03-11
JPH04204664A (ja) 1992-07-27
EP0488789A1 (en) 1992-06-03

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