WO2008126869A1 - 電子写真現像剤用キャリア芯材およびその製造方法、電子写真現像剤用キャリア、並びに電子写真現像剤 - Google Patents

電子写真現像剤用キャリア芯材およびその製造方法、電子写真現像剤用キャリア、並びに電子写真現像剤 Download PDF

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Publication number
WO2008126869A1
WO2008126869A1 PCT/JP2008/057025 JP2008057025W WO2008126869A1 WO 2008126869 A1 WO2008126869 A1 WO 2008126869A1 JP 2008057025 W JP2008057025 W JP 2008057025W WO 2008126869 A1 WO2008126869 A1 WO 2008126869A1
Authority
WO
WIPO (PCT)
Prior art keywords
developing agent
electrophotographic developing
carrier
core material
carrier core
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.)
Ceased
Application number
PCT/JP2008/057025
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Tomoya Yamada
Takashi Fujiwara
Ryusuke Nakao
Yukihiro Matuda
Tomokazu Mouri
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.)
Dowa Electronics Materials Co Ltd
Dowa IP Creation Co Ltd
Original Assignee
Dowa Electronics Materials Co Ltd
Dowa IP Creation 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 Dowa Electronics Materials Co Ltd, Dowa IP Creation Co Ltd filed Critical Dowa Electronics Materials Co Ltd
Priority to US12/450,321 priority Critical patent/US8592123B2/en
Priority to EP08740128.7A priority patent/EP2136253B1/en
Priority to CN200880011592XA priority patent/CN101663622B/zh
Publication of WO2008126869A1 publication Critical patent/WO2008126869A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • 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
    • G03G9/1087—Specified elemental magnetic metal or alloy, e.g. alnico comprising iron, nickel, cobalt, and aluminum, or permalloy comprising iron and nickel
    • 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
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Developing Agents For Electrophotography (AREA)
PCT/JP2008/057025 2007-04-10 2008-04-09 電子写真現像剤用キャリア芯材およびその製造方法、電子写真現像剤用キャリア、並びに電子写真現像剤 Ceased WO2008126869A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/450,321 US8592123B2 (en) 2007-04-10 2008-04-09 Carrier core material for electrophotographic developer, and manufacturing method of the same, carrier for electrophotographic developer, and electrophotographic developer
EP08740128.7A EP2136253B1 (en) 2007-04-10 2008-04-09 Carrier core material for electrophotographic developing agent, process for producing the carrier core material, carrier for electrophotographic developing agent, and electrophotographic developing agent
CN200880011592XA CN101663622B (zh) 2007-04-10 2008-04-09 电子照相显影剂用载体芯材及其制造方法、电子照相显影剂用载体、以及电子照相显影剂

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007103290A JP5038002B2 (ja) 2007-04-10 2007-04-10 電子写真現像剤用キャリア芯材およびその製造方法、電子写真現像剤用キャリア、並びに電子写真現像剤
JP2007-103290 2007-04-10

Publications (1)

Publication Number Publication Date
WO2008126869A1 true WO2008126869A1 (ja) 2008-10-23

Family

ID=39863966

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057025 Ceased WO2008126869A1 (ja) 2007-04-10 2008-04-09 電子写真現像剤用キャリア芯材およびその製造方法、電子写真現像剤用キャリア、並びに電子写真現像剤

Country Status (6)

Country Link
US (1) US8592123B2 (https=)
EP (1) EP2136253B1 (https=)
JP (1) JP5038002B2 (https=)
KR (1) KR101468247B1 (https=)
CN (1) CN101663622B (https=)
WO (1) WO2008126869A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011107286A (ja) * 2009-11-13 2011-06-02 Dowa Electronics Materials Co Ltd 電子写真現像用キャリア芯材およびその製造方法、電子写真現像用キャリア並びに二成分系電子写真現像剤
JP2011209476A (ja) * 2010-03-30 2011-10-20 Dowa Electronics Materials Co Ltd フェライト粒子及びそれを用いた電子写真現像用キャリア、電子写真用現像剤並びにフェライト粒子の製造方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5298481B2 (ja) * 2006-09-14 2013-09-25 コニカミノルタ株式会社 キャリアの製造方法
CN102667632B (zh) * 2010-03-31 2014-05-28 同和电子科技有限公司 电子照相显影剂用载体芯材、电子照相显影剂用载体以及电子照相显影剂
JP5977924B2 (ja) * 2011-03-16 2016-08-24 Ｄｏｗａエレクトロニクス株式会社 電子写真現像剤用キャリア芯材の製造方法、電子写真現像剤用キャリアの製造方法、および電子写真現像剤の製造方法
JP6494453B2 (ja) * 2015-07-10 2019-04-03 Ｄｏｗａエレクトロニクス株式会社 キャリア芯材並びにこれを用いた電子写真現像用キャリア及び電子写真用現像剤
US10409188B2 (en) * 2017-02-10 2019-09-10 Canon Kabushiki Kaisha Magnetic carrier, two-component developer, replenishing developer, and image forming method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001093720A (ja) * 1999-09-21 2001-04-06 Dowa Mining Co Ltd ソフトフェライトの製造法
JP2002296846A (ja) 2001-03-30 2002-10-09 Powdertech Co Ltd 電子写真現像剤用キャリア及び該キャリアを用いた現像剤
JP2006038961A (ja) * 2004-07-22 2006-02-09 Fuji Xerox Co Ltd 静電荷像現像用キャリア、静電荷像現像剤、静電荷像現像用キャリアの製造方法および画像形成方法
JP2006323211A (ja) * 2005-05-19 2006-11-30 Dowa Mining Co Ltd 電子写真現像用キャリアおよびその製造方法、並びに電子写真現像剤
JP2006337828A (ja) * 2005-06-03 2006-12-14 Powdertech Co Ltd 電子写真用フェライトキャリア芯材、電子写真用フェライトキャリア及びこれらの製造方法、並びに該フェライトキャリアを用いた電子写真用現像剤

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3828727B2 (ja) * 2000-08-04 2006-10-04 三井金属鉱業株式会社 酸化鉄粒子
JP4578295B2 (ja) * 2005-03-18 2010-11-10 京セラミタ株式会社 ２成分現像剤用磁性トナーおよび該現像剤を用いた画像形成方法
CN1851560A (zh) * 2005-04-22 2006-10-25 株式会社理光 电子照相调色剂、显影剂以及图像形成装置
JP4862181B2 (ja) * 2005-06-22 2012-01-25 Ｄｏｗａエレクトロニクス株式会社 電子写真現像用キャリア芯材およびその製造方法、電子写真現像用キャリア、並びに電子写真現像剤
JP2007034149A (ja) * 2005-07-29 2007-02-08 Fujifilm Holdings Corp 回転検出方法及び装置、及び写真フイルムパトローネのフイルム係止検出方法及び装置
EP2439594B1 (en) * 2005-09-29 2013-07-24 DOWA IP Creation Co., Ltd. Electrophotographic developer carrier core material, electrophotographic developer carrier, methods of manufacturing the same, and electrophotographic developer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001093720A (ja) * 1999-09-21 2001-04-06 Dowa Mining Co Ltd ソフトフェライトの製造法
JP2002296846A (ja) 2001-03-30 2002-10-09 Powdertech Co Ltd 電子写真現像剤用キャリア及び該キャリアを用いた現像剤
JP2006038961A (ja) * 2004-07-22 2006-02-09 Fuji Xerox Co Ltd 静電荷像現像用キャリア、静電荷像現像剤、静電荷像現像用キャリアの製造方法および画像形成方法
JP2006323211A (ja) * 2005-05-19 2006-11-30 Dowa Mining Co Ltd 電子写真現像用キャリアおよびその製造方法、並びに電子写真現像剤
JP2006337828A (ja) * 2005-06-03 2006-12-14 Powdertech Co Ltd 電子写真用フェライトキャリア芯材、電子写真用フェライトキャリア及びこれらの製造方法、並びに該フェライトキャリアを用いた電子写真用現像剤

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2136253A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011107286A (ja) * 2009-11-13 2011-06-02 Dowa Electronics Materials Co Ltd 電子写真現像用キャリア芯材およびその製造方法、電子写真現像用キャリア並びに二成分系電子写真現像剤
JP2011209476A (ja) * 2010-03-30 2011-10-20 Dowa Electronics Materials Co Ltd フェライト粒子及びそれを用いた電子写真現像用キャリア、電子写真用現像剤並びにフェライト粒子の製造方法

Also Published As

Publication number Publication date
EP2136253B1 (en) 2015-11-18
KR101468247B1 (ko) 2014-12-03
US20100075244A1 (en) 2010-03-25
JP5038002B2 (ja) 2012-10-03
JP2008261955A (ja) 2008-10-30
EP2136253A1 (en) 2009-12-23
US8592123B2 (en) 2013-11-26
EP2136253A4 (en) 2010-06-30
CN101663622A (zh) 2010-03-03
CN101663622B (zh) 2013-03-20
KR20090126325A (ko) 2009-12-08

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