WO2009008433A1 - 磁性キャリア、２成分現像剤、現像ユニット、現像装置、画像形成装置、および画像形成方法 - Google Patents

磁性キャリア、２成分現像剤、現像ユニット、現像装置、画像形成装置、および画像形成方法 Download PDF

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Publication number
WO2009008433A1
WO2009008433A1 PCT/JP2008/062355 JP2008062355W WO2009008433A1 WO 2009008433 A1 WO2009008433 A1 WO 2009008433A1 JP 2008062355 W JP2008062355 W JP 2008062355W WO 2009008433 A1 WO2009008433 A1 WO 2009008433A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
magnetic carrier
component developer
forming apparatus
developing device
Prior art date
Application number
PCT/JP2008/062355
Other languages
English (en)
French (fr)
Inventor
Nobuyuki Yoshioka
Tadashi Iwamatsu
Yoshinori Mutou
Hiroyuki Hirakawa
Takashi Hara
Takanori Kamoto
Original Assignee
Sharp Kabushiki Kaisha
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 Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to US12/451,857 priority Critical patent/US20100104329A1/en
Priority to CN2008800211325A priority patent/CN101681139B/zh
Publication of WO2009008433A1 publication Critical patent/WO2009008433A1/ja

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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
    • G03G9/0819—Developers with toner particles characterised by the dimensions of the 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1131—Coating methods; Structure of coatings
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1135—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/1136—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon atoms
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1139—Inorganic components of coatings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0607—Developer solid type two-component

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

　本願発明の磁性キャリアでは、磁性体芯材表面が、導電性粒子と電子写真用トナーに含有されている荷電制御剤と同一成分の荷電制御剤とを含有してなる被覆層により被覆されている。さらに、磁性キャリアの、４×１０３Ｖ／ｃｍの電界下における電気抵抗値が、８．２２×１０７～１．１２×１０１0Ωｃｍである。よって、経時においても電子写真用トナーを帯電させる能力を維持することが可能となる。
PCT/JP2008/062355 2007-07-10 2008-07-08 磁性キャリア、２成分現像剤、現像ユニット、現像装置、画像形成装置、および画像形成方法 WO2009008433A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/451,857 US20100104329A1 (en) 2007-07-10 2008-07-08 Magnetic carrier, two component developer, developing device, image forming apparatus, and image forming method
CN2008800211325A CN101681139B (zh) 2007-07-10 2008-07-08 磁性载体、二成分显影剂、显影单元、显影装置、图像形成装置以及图像形成方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007181431A JP2009020211A (ja) 2007-07-10 2007-07-10 磁性キャリア、２成分現像剤、現像装置、画像形成装置、および画像形成方法
JP2007-181431 2007-07-10

Publications (1)

Publication Number Publication Date
WO2009008433A1 true WO2009008433A1 (ja) 2009-01-15

Family

ID=40228604

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062355 WO2009008433A1 (ja) 2007-07-10 2008-07-08 磁性キャリア、２成分現像剤、現像ユニット、現像装置、画像形成装置、および画像形成方法

Country Status (4)

Country Link
US (1) US20100104329A1 (ja)
JP (1) JP2009020211A (ja)
CN (1) CN101681139B (ja)
WO (1) WO2009008433A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102334074A (zh) * 2009-02-27 2012-01-25 佳能株式会社 品红色调色剂
CN102334073A (zh) * 2009-02-27 2012-01-25 佳能株式会社 黄色调色剂
JP2015230376A (ja) * 2014-06-04 2015-12-21 富士ゼロックス株式会社 静電荷像現像剤、プロセスカートリッジ、及び画像形成装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5511416B2 (ja) * 2010-02-03 2014-06-04 キヤノン株式会社 磁性キャリア及び二成分系現像剤
JP2011158830A (ja) * 2010-02-03 2011-08-18 Canon Inc 磁性キャリア及び二成分系現像剤
JP2022038101A (ja) * 2020-08-26 2022-03-10 シャープ株式会社 二成分現像剤、現像装置、および画像形成装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6429865A (en) * 1987-07-24 1989-01-31 Minolta Camera Kk Carrier for developing electrostatic latent image
JP2004271856A (ja) * 2003-01-17 2004-09-30 Ricoh Co Ltd 二成分現像剤、現像装置、プロセスカートリッジ及び画像形成装置
JP2007148301A (ja) * 2005-11-02 2007-06-14 Ricoh Co Ltd 静電荷像現像用トナー並びに現像剤及び画像形成方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970571A (en) * 1974-12-20 1976-07-20 Eastman Kodak Company Method for producing improved electrographic developer
JPH0844118A (ja) * 1994-07-28 1996-02-16 Mita Ind Co Ltd 電子写真現像剤用磁性キャリア及びその製法
DE10041621A1 (de) * 2000-08-24 2002-03-07 Oce Printing Systems Gmbh Universal-Carrier, Verfahren zu seiner Herstellung und Zwei-Komponenten-Entwickler für elektrophotographische Drucksysteme
JP2003195566A (ja) * 2001-12-28 2003-07-09 Toyo Ink Mfg Co Ltd 静電荷像現像用トナーおよびそれを用いた画像形成方法
JP4195593B2 (ja) * 2002-09-02 2008-12-10 パウダーテック株式会社 電子写真用乾式二成分系現像剤
JPWO2004077166A1 (ja) * 2003-02-28 2006-06-08 株式会社巴川製紙所 電子写真用現像剤
EP1477864B1 (en) * 2003-05-14 2008-01-02 Canon Kabushiki Kaisha Magnetic carrier and two-component developer
JP2005292362A (ja) * 2004-03-31 2005-10-20 Tomoegawa Paper Co Ltd 静電荷像現像用トナー
JP4544099B2 (ja) * 2005-08-26 2010-09-15 富士ゼロックス株式会社 静電潜像現像用キャリア及び静電潜像現像用現像剤
JP4441465B2 (ja) * 2005-09-12 2010-03-31 シャープ株式会社 キャリアおよび電子写真用現像剤
JP4967345B2 (ja) * 2006-01-17 2012-07-04 富士ゼロックス株式会社 画像形成装置
JP2008008938A (ja) * 2006-06-27 2008-01-17 Konica Minolta Business Technologies Inc 電子写真用キャリア、その製造方法、及びそれを用いた画像形成方法
JP4887983B2 (ja) * 2006-09-04 2012-02-29 富士ゼロックス株式会社 静電荷像現像用キャリア、静電荷像現像用現像剤、静電荷像現像用現像剤カートリッジ、プロセスカートリッジおよび画像形成装置
JP2008298890A (ja) * 2007-05-29 2008-12-11 Sharp Corp 現像剤、現像ユニット、現像装置、および画像形成装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6429865A (en) * 1987-07-24 1989-01-31 Minolta Camera Kk Carrier for developing electrostatic latent image
JP2004271856A (ja) * 2003-01-17 2004-09-30 Ricoh Co Ltd 二成分現像剤、現像装置、プロセスカートリッジ及び画像形成装置
JP2007148301A (ja) * 2005-11-02 2007-06-14 Ricoh Co Ltd 静電荷像現像用トナー並びに現像剤及び画像形成方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102334074A (zh) * 2009-02-27 2012-01-25 佳能株式会社 品红色调色剂
CN102334073A (zh) * 2009-02-27 2012-01-25 佳能株式会社 黄色调色剂
CN102334074B (zh) * 2009-02-27 2013-08-28 佳能株式会社 品红色调色剂
CN102334073B (zh) * 2009-02-27 2013-12-04 佳能株式会社 黄色调色剂
JP2015230376A (ja) * 2014-06-04 2015-12-21 富士ゼロックス株式会社 静電荷像現像剤、プロセスカートリッジ、及び画像形成装置

Also Published As

Publication number Publication date
US20100104329A1 (en) 2010-04-29
JP2009020211A (ja) 2009-01-29
CN101681139B (zh) 2013-08-07
CN101681139A (zh) 2010-03-24

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