WO2008117752A1 - 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
WO2008117752A1
WO2008117752A1 PCT/JP2008/055285 JP2008055285W WO2008117752A1 WO 2008117752 A1 WO2008117752 A1 WO 2008117752A1 JP 2008055285 W JP2008055285 W JP 2008055285W WO 2008117752 A1 WO2008117752 A1 WO 2008117752A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrophotographic developer
carrier
core material
producing
same
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/JP2008/055285
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 US12/449,866 priority Critical patent/US8697325B2/en
Priority to CN2008800093899A priority patent/CN101641651B/zh
Priority to EP08722637.9A priority patent/EP2131248B1/en
Priority to KR1020097021904A priority patent/KR101421767B1/ko
Publication of WO2008117752A1 publication Critical patent/WO2008117752A1/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
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
    • 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
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1131—Coating methods; Structure of coatings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Developing Agents For Electrophotography (AREA)
PCT/JP2008/055285 2007-03-23 2008-03-21 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 WO2008117752A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/449,866 US8697325B2 (en) 2007-03-23 2008-03-21 Carrier core material for electrophotographic developer and method for producing the same, carrier for electrophotographic developer, and electrophotographic developer
CN2008800093899A CN101641651B (zh) 2007-03-23 2008-03-21 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
EP08722637.9A EP2131248B1 (en) 2007-03-23 2008-03-21 Carrier core material for electrophotographic developer and method for producing the same, carrier for electrophotographic developer, and electrophotographic developer
KR1020097021904A KR101421767B1 (ko) 2007-03-23 2008-03-21 전자 사진 현상제용 캐리어 코어재 및 그 제조 방법, 전자 사진 현상제용 캐리어, 및 전자 사진 현상제

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007077697A JP5037982B2 (ja) 2007-03-23 2007-03-23 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
JP2007-077697 2007-03-23

Publications (1)

Publication Number Publication Date
WO2008117752A1 true WO2008117752A1 (ja) 2008-10-02

Family

ID=39788487

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/055285 Ceased WO2008117752A1 (ja) 2007-03-23 2008-03-21 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) US8697325B2 (https=)
EP (1) EP2131248B1 (https=)
JP (1) JP5037982B2 (https=)
KR (1) KR101421767B1 (https=)
CN (1) CN101641651B (https=)
WO (1) WO2008117752A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5394795B2 (ja) * 2009-03-31 2014-01-22 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および電子写真現像剤用キャリア並びに電子写真現像剤
JP5377386B2 (ja) * 2010-03-29 2013-12-25 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、その製造方法、電子写真現像剤用キャリア、および電子写真現像剤
JP5761921B2 (ja) * 2010-03-30 2015-08-12 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
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
JP4938883B2 (ja) * 2010-06-14 2012-05-23 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、電子写真現像剤用キャリア、電子写真現像剤、および電子写真現像剤用キャリア芯材の製造方法
JP4897916B1 (ja) 2010-10-15 2012-03-14 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、電子写真現像剤用キャリア、および電子写真現像剤
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
KR20150041639A (ko) 2012-08-30 2015-04-16 도와 일렉트로닉스 가부시키가이샤 전자 사진 현상제용 캐리어 심재의 제조 방법, 전자 사진 현상제용 캐리어 심재, 전자 사진 현상제용 캐리어, 및 전자 사진 현상제
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
JP7116529B2 (ja) * 2017-03-16 2022-08-10 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
JPWO2018181845A1 (ja) 2017-03-29 2020-02-13 パウダーテック株式会社 電子写真現像剤用フェライトキャリア芯材、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現像剤

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1010790A (ja) * 1996-06-27 1998-01-16 Fuji Xerox Co Ltd 磁性体分散型キャリア及びその製造方法、静電荷像現像剤、並びに、画像形成方法
JPH11202550A (ja) * 1998-01-09 1999-07-30 Kao Corp フルカラー電子写真用現像剤
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
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
JP2006335615A (ja) * 2005-06-03 2006-12-14 Mitsui Mining & Smelting Co Ltd フェライト成型体用複合酸化鉄粒子の製造方法

Family Cites Families (2)

* 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
JP5377386B2 (ja) * 2010-03-29 2013-12-25 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、その製造方法、電子写真現像剤用キャリア、および電子写真現像剤

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1010790A (ja) * 1996-06-27 1998-01-16 Fuji Xerox Co Ltd 磁性体分散型キャリア及びその製造方法、静電荷像現像剤、並びに、画像形成方法
JPH11202550A (ja) * 1998-01-09 1999-07-30 Kao Corp フルカラー電子写真用現像剤
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
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
JP2006335615A (ja) * 2005-06-03 2006-12-14 Mitsui Mining & Smelting Co Ltd フェライト成型体用複合酸化鉄粒子の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2131248A4

Also Published As

Publication number Publication date
EP2131248A4 (en) 2010-03-24
JP5037982B2 (ja) 2012-10-03
CN101641651A (zh) 2010-02-03
US8697325B2 (en) 2014-04-15
CN101641651B (zh) 2013-02-13
EP2131248A1 (en) 2009-12-09
EP2131248B1 (en) 2013-07-17
KR101421767B1 (ko) 2014-07-22
US20100035174A1 (en) 2010-02-11
KR20090130073A (ko) 2009-12-17
JP2008241742A (ja) 2008-10-09

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