EP0936507A3 - Particules composites magnétisables noires et révélateur magnétique noir les contenant - Google Patents

Particules composites magnétisables noires et révélateur magnétique noir les contenant Download PDF

Info

Publication number
EP0936507A3
EP0936507A3 EP99301117A EP99301117A EP0936507A3 EP 0936507 A3 EP0936507 A3 EP 0936507A3 EP 99301117 A EP99301117 A EP 99301117A EP 99301117 A EP99301117 A EP 99301117A EP 0936507 A3 EP0936507 A3 EP 0936507A3
Authority
EP
European Patent Office
Prior art keywords
black magnetic
iron oxide
composite particles
black
oxide particles
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.)
Withdrawn
Application number
EP99301117A
Other languages
German (de)
English (en)
Other versions
EP0936507A2 (fr
Inventor
Kazuyuki Hayashi
Hiroko Morii
Yasuyuki Tanaka
Seiji Ishitani
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.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo Corp
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 Toda Kogyo Corp filed Critical Toda Kogyo Corp
Publication of EP0936507A2 publication Critical patent/EP0936507A2/fr
Publication of EP0936507A3 publication Critical patent/EP0936507A3/fr
Priority to US10/073,043 priority Critical patent/US6562532B2/en
Priority to US10/141,959 priority patent/US6638675B2/en
Withdrawn legal-status Critical Current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
    • G03G9/087—Binders for toner particles
    • G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08773—Polymers having silicon in the main chain, with or without sulfur, oxygen, nitrogen or carbon only
    • 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0833—Oxides
    • 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
    • G03G9/083—Magnetic toner 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0836—Other physical parameters of the 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0838—Size of 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0839—Treatment of the magnetic components; Combination of the magnetic components with non-magnetic materials
    • 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
    • G03G9/09—Colouring agents for toner particles
    • G03G9/0902—Inorganic compounds
    • 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
    • G03G9/09—Colouring agents for toner particles
    • G03G9/0902—Inorganic compounds
    • G03G9/0904—Carbon black
    • 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
    • G03G9/1138—Non-macromolecular organic components of coatings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Developing Agents For Electrophotography (AREA)
EP99301117A 1998-02-17 1999-02-16 Particules composites magnétisables noires et révélateur magnétique noir les contenant Withdrawn EP0936507A3 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/073,043 US6562532B2 (en) 1998-02-17 2002-02-12 Black magnetic toner and black magnetic composite particles therefor
US10/141,959 US6638675B2 (en) 1998-02-17 2002-05-10 Black magnetic toner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5282698 1998-02-17
JP5282698 1998-02-17

Publications (2)

Publication Number Publication Date
EP0936507A2 EP0936507A2 (fr) 1999-08-18
EP0936507A3 true EP0936507A3 (fr) 1999-11-17

Family

ID=12925667

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99301117A Withdrawn EP0936507A3 (fr) 1998-02-17 1999-02-16 Particules composites magnétisables noires et révélateur magnétique noir les contenant

Country Status (2)

Country Link
EP (1) EP0936507A3 (fr)
KR (1) KR100585399B1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001114522A (ja) * 1999-08-11 2001-04-24 Toda Kogyo Corp 高抵抗黒色磁性トナー用黒色磁性粒子粉末及び該黒色磁性粒子粉末を用いた高抵抗黒色磁性トナー
US6379855B1 (en) 1998-02-17 2002-04-30 Toda Kogyo Corporation Black magnetic toner and black magnetic composite particles therefor
US6294242B1 (en) 1998-05-15 2001-09-25 Toda Kogyo Corporation Magnetic recording medium
KR19990088309A (ko) * 1998-05-15 1999-12-27 토다 고교 가부시끼가이샤 자기기록매체
US6531211B1 (en) 1998-08-28 2003-03-11 Toda Kogyo Corporation Black plate-shaped ferrite composite particles with magnet oplumbite structure and magnetic recording medium using the same
EP0982715A1 (fr) * 1998-08-28 2000-03-01 Toda Kogyo Corp. Particules composées magnétiques du type magnétoplumbite sous la forme de plaquettes et matériau d'enregistrement magnétique les contenant
EP1063639A1 (fr) * 1999-06-24 2000-12-27 Toda Kogyo Corporation Particules composées magnétiques, leur procédé de préparation et support d'enregistrement magnétique les contenant
EP1102246A1 (fr) * 1999-11-15 2001-05-23 Toda Kogyo Corporation Particules composites magnétisables aciculaires noires et support d'enregistrement magnétique les contenant
US7122286B2 (en) * 2000-04-05 2006-10-17 Ricoh Company, Ltd. Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container
EP1168087A1 (fr) * 2000-06-26 2002-01-02 Toda Kogyo Corporation Particules composées magnétiques pour révélateurs magnétiques noirs ainsi que révélateur magnétique noir l' utilisant
JP4360589B2 (ja) * 2000-10-20 2009-11-11 株式会社リコー 二成分現像剤、及びそれを使用する画像形成装置、画像形成方法
EP1207433B2 (fr) * 2000-11-20 2013-06-12 Ricoh Company, Ltd. Révélateur pour le développement d'images électrostatiques, appareil de formation d'images et méthode de formation d'images l'utilisant
US6821618B2 (en) 2000-12-22 2004-11-23 Toda Kogyo Corporation Magnetic recording medium and process for producing the same
JP2006330277A (ja) * 2005-05-25 2006-12-07 Fuji Xerox Co Ltd 静電潜像現像剤用キャリア及びその製造方法、静電潜像現像剤、画像形成装置
KR102094296B1 (ko) * 2018-07-05 2020-03-27 (주)제니스월드 정전척용 흑색 세라믹 페이스트 조성물 및 이를 이용한 정전척

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620987A (en) * 1983-06-03 1986-11-04 Ricoh Company, Ltd. Surface treatment method for magnetic particles
EP0373426A2 (fr) * 1988-12-13 1990-06-20 Bayer Ag Pigments inorganiques revêtus de polyorganosiloxane
EP0439367A2 (fr) * 1990-01-26 1991-07-31 Toda Kogyo Corp. Particules de toner magnétiques contenant du fer comme composant principal et leur procédé de fabrication
EP0913431A2 (fr) * 1997-10-31 1999-05-06 Toda Kogyo Corp. Particules composites noires à base de fer, procédé pour leur préparation, peinture et caoutchouc ou résine les contenant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620987A (en) * 1983-06-03 1986-11-04 Ricoh Company, Ltd. Surface treatment method for magnetic particles
EP0373426A2 (fr) * 1988-12-13 1990-06-20 Bayer Ag Pigments inorganiques revêtus de polyorganosiloxane
EP0439367A2 (fr) * 1990-01-26 1991-07-31 Toda Kogyo Corp. Particules de toner magnétiques contenant du fer comme composant principal et leur procédé de fabrication
EP0913431A2 (fr) * 1997-10-31 1999-05-06 Toda Kogyo Corp. Particules composites noires à base de fer, procédé pour leur préparation, peinture et caoutchouc ou résine les contenant

Also Published As

Publication number Publication date
KR100585399B1 (ko) 2006-05-30
KR19990072739A (ko) 1999-09-27
EP0936507A2 (fr) 1999-08-18

Similar Documents

Publication Publication Date Title
EP1217046A3 (fr) Pigment à base de composites d'oxyde de fer noir et peinture et résine l'utilisant
EP0913431A3 (fr) Particules composites noires à base de fer, procédé pour leur préparation, peinture et caoutchouc ou résine les contenant
EP0936507A3 (fr) Particules composites magnétisables noires et révélateur magnétique noir les contenant
AU751718B2 (en) Abrasive grain with improved projectability
EP0750232A3 (fr) Particules magnétiques pour révélateurs magnétiques et procédé de leur préparation
EP1249474B1 (fr) Poudre d'oxyde metallique fine a haute dispersabilite et composition de toner la contenant
EP1106657A3 (fr) Particules composites d' oxyde hydroxyde de fer,composition de pigment,peinture et resine
JP2000206801A5 (fr)
EP0952494A3 (fr) Particules composées, non-magnétiques, noires, pour révélateurs noirs et révélateurs noirs les comprenant
AU5785700A (en) Cmp composition containing silane modified abrasive particles
EP1128225A3 (fr) Toner magnétique et procédé de formation d'images l'utilisant
EP1176470A3 (fr) Révélateur sec, méthode de production d' image et unité de traitement
EP1242557B8 (fr) Procede servant a polir ou a regulariser la surface d'un substrat
AU2524299A (en) Magnetic particle transfer device and method
EP0832947A3 (fr) Couches transparentes, résistantes au rayage, contenant des microparticules réactives en surface et leur procédé d'obtention
SG44763A1 (en) Magnetic toner process cartridge and image forming method
EP0962503A3 (fr) Particule d'encre modifiée, son procédé de préparation, filtres colorés, leur procédé de fabrication, affichages en couleur, et dispositifs de modification de particules d'encre
IL127998A0 (en) Photocatalytic hydrophilic coating composition
EP1225600A3 (fr) Particules d'oxyde de ferre magnétiques, noires ainsi que révélateur magnétique
EP0905569A3 (fr) Révélateur magnétique, méthode de production d' images et cartouche de traitement
KR970065660A (ko) 체질용이한 분말피복조성물
EP0945766A3 (fr) Particules composées, non-magnétiques, noires pour révélateurs noirs et révélateurs noirs les comprenant
EP0810492A3 (fr) Elément de transport de développateur, appareil de développement, méthode de développement, appareil de formation d'images et unité de traitement
EP0959097A3 (fr) Film polyester composite et support d'enregistrement magnétique
CA2228588A1 (fr) Agent de dispersion de particules pigmentaires lamellaires

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB LU NL

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RIC1 Information provided on ipc code assigned before grant

Free format text: 6C 09C 1/24 A, 6C 09C 3/12 B

17P Request for examination filed

Effective date: 20000510

AKX Designation fees paid

Free format text: DE FR GB LU NL

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: TODA KOGYO CORPORATION

17Q First examination report despatched

Effective date: 20020212

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20030701