JP5038002B2 - 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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JP5038002B2
JP5038002B2 JP2007103290A JP2007103290A JP5038002B2 JP 5038002 B2 JP5038002 B2 JP 5038002B2 JP 2007103290 A JP2007103290 A JP 2007103290A JP 2007103290 A JP2007103290 A JP 2007103290A JP 5038002 B2 JP5038002 B2 JP 5038002B2
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Japan
Prior art keywords
carrier
electrophotographic developer
core material
powder
particle size
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JP2007103290A
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English (en)
Japanese (ja)
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JP2008261955A5 (enExample
JP2008261955A (ja
Inventor
智也 山田
隆志 藤原
竜介 中尾
行弘 松田
友和 毛利
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Dowa IP Creation Co Ltd
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Dowa IP Creation Co Ltd
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Priority to JP2007103290A priority Critical patent/JP5038002B2/ja
Application filed by Dowa IP Creation Co Ltd filed Critical Dowa IP Creation Co Ltd
Priority to KR1020097023383A priority patent/KR101468247B1/ko
Priority to EP08740128.7A priority patent/EP2136253B1/en
Priority to CN200880011592XA priority patent/CN101663622B/zh
Priority to PCT/JP2008/057025 priority patent/WO2008126869A1/ja
Priority to US12/450,321 priority patent/US8592123B2/en
Publication of JP2008261955A publication Critical patent/JP2008261955A/ja
Publication of JP2008261955A5 publication Critical patent/JP2008261955A5/ja
Application granted granted Critical
Publication of JP5038002B2 publication Critical patent/JP5038002B2/ja
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    • 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

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  • 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)
JP2007103290A 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 Active JP5038002B2 (ja)

Priority Applications (6)

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
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
PCT/JP2008/057025 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
KR1020097023383A KR101468247B1 (ko) 2007-04-10 2008-04-09 전자 사진 현상제용 캐리어 코어재 및 이의 제조 방법, 전자 사진 현상제용 캐리어 및 전자 사진 현상제
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

Applications Claiming Priority (1)

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

Publications (3)

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JP2008261955A JP2008261955A (ja) 2008-10-30
JP2008261955A5 JP2008261955A5 (enExample) 2010-05-13
JP5038002B2 true JP5038002B2 (ja) 2012-10-03

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JP2007103290A Active 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

Country Status (6)

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

Families Citing this family (7)

* 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
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
JP5478322B2 (ja) * 2010-03-30 2014-04-23 Ｄｏｗａエレクトロニクス株式会社 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
EP2555056B1 (en) * 2010-03-31 2017-01-25 DOWA Electronics Materials Co., Ltd. Carrier core material for electrophotographic developing agent, carrier for electrophotographic developing agent, and electrophotographic developing agent
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4734598B2 (ja) * 1999-09-21 2011-07-27 Ｄｏｗａエレクトロニクス株式会社 ソフトフェライトの製造法
JP3828727B2 (ja) * 2000-08-04 2006-10-04 三井金属鉱業株式会社 酸化鉄粒子
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
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
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
JP4781015B2 (ja) 2005-06-03 2011-09-28 パウダーテック株式会社 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
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
US8652736B2 (en) * 2005-09-29 2014-02-18 Dowa Ip Creation Co., Ltd. Electrophotographic developer carrier core material, electrophotographic developer carrier, methods of manufacturing the same, and electrophotographic developer

Also Published As

Publication number Publication date
KR101468247B1 (ko) 2014-12-03
EP2136253B1 (en) 2015-11-18
JP2008261955A (ja) 2008-10-30
US20100075244A1 (en) 2010-03-25
US8592123B2 (en) 2013-11-26
CN101663622A (zh) 2010-03-03
EP2136253A4 (en) 2010-06-30
EP2136253A1 (en) 2009-12-23
WO2008126869A1 (ja) 2008-10-23
CN101663622B (zh) 2013-03-20
KR20090126325A (ko) 2009-12-08

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