JPH0119584B2 - - Google Patents

Info

Publication number
JPH0119584B2
JPH0119584B2 JP56053813A JP5381381A JPH0119584B2 JP H0119584 B2 JPH0119584 B2 JP H0119584B2 JP 56053813 A JP56053813 A JP 56053813A JP 5381381 A JP5381381 A JP 5381381A JP H0119584 B2 JPH0119584 B2 JP H0119584B2
Authority
JP
Japan
Prior art keywords
toner
carrier
colloidal silica
hydrophobic colloidal
styrene
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.)
Expired
Application number
JP56053813A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57168255A (en
Inventor
Hiroyuki Kobayashi
Eiichi Imai
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP56053813A priority Critical patent/JPS57168255A/ja
Publication of JPS57168255A publication Critical patent/JPS57168255A/ja
Publication of JPH0119584B2 publication Critical patent/JPH0119584B2/ja
Granted 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Developing Agents For Electrophotography (AREA)
JP56053813A 1981-04-10 1981-04-10 Two-component developer for electrophotography Granted JPS57168255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56053813A JPS57168255A (en) 1981-04-10 1981-04-10 Two-component developer for electrophotography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56053813A JPS57168255A (en) 1981-04-10 1981-04-10 Two-component developer for electrophotography

Publications (2)

Publication Number Publication Date
JPS57168255A JPS57168255A (en) 1982-10-16
JPH0119584B2 true JPH0119584B2 (en]) 1989-04-12

Family

ID=12953228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56053813A Granted JPS57168255A (en) 1981-04-10 1981-04-10 Two-component developer for electrophotography

Country Status (1)

Country Link
JP (1) JPS57168255A (en])

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965261A2 (en) 2007-03-02 2008-09-03 Ricoh Company, Ltd. Toner for developing electrostatic image, method for producing the toner, image forming method, image forming apparatus and process cartridge using the toner
EP2090934A1 (en) 2008-02-13 2009-08-19 Ricoh Company, Ltd. Carrier, two-component developer containing carrier and toner, and image forming method
EP3719578A1 (en) 2019-04-03 2020-10-07 Ricoh Company, Ltd. Electrophotographic developer, replenishment developer, image forming apparatus, process cartridge, and image forming method
WO2021094957A1 (en) 2019-11-15 2021-05-20 Ricoh Company, Ltd. Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176753A (ja) * 1983-03-26 1984-10-06 Toshiba Corp 現像剤
JPS61116363A (ja) * 1984-11-10 1986-06-03 Fuakoo:Kk 静電潜像現像用乾式現像剤
US5478687A (en) * 1993-03-08 1995-12-26 Konica Corporation Carrier for negatively chargeable developer
US6500595B1 (en) 1999-10-20 2002-12-31 Ricoh Company, Ltd. Carrier for electrophotographic developer, method for manufacturing the carrier, and coating liquid for the method
JP3992233B2 (ja) 2003-01-31 2007-10-17 株式会社リコー 電子写真用キャリア、現像剤及び画像形成装置
JP5429594B2 (ja) 2007-09-13 2014-02-26 株式会社リコー 画像形成方法、画像形成装置並びにプロセスカートリッジ及びそのための電子写真現像剤並びに現像剤用キャリア
US10025214B2 (en) 2015-12-28 2018-07-17 Ricoh Company, Ltd. Carrier, developing agent, image forming apparatus, image forming method, replenishment toner, and process cartridge
JP6848566B2 (ja) 2017-03-17 2021-03-24 株式会社リコー キャリア、現像剤、補給用現像剤、画像形成装置、画像形成方法並びにプロセスカートリッジ
JP7151413B2 (ja) 2018-11-22 2022-10-12 株式会社リコー 電子写真画像形成用キャリア、電子写真画像形成用現像剤、電子写真画像形成方法、電子写真画像形成装置およびプロセスカートリッジ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5420344A (en) * 1977-07-18 1979-02-15 Sekoh Giken Kk Battery charging device
JPS5421730A (en) * 1977-07-19 1979-02-19 Ricoh Co Ltd Electrophotographic carrier material
JPS5435736A (en) * 1977-08-26 1979-03-16 Ricoh Co Ltd Carrier material for electrophotography and production of the same
JPS5474748A (en) * 1977-11-28 1979-06-15 Fujitsu Ltd Coated carrier and production of the same
JPS55157755A (en) * 1979-05-28 1980-12-08 Canon Inc Developing method
JPS55166652A (en) * 1979-06-15 1980-12-25 Canon Inc Electrostatic charge image toner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965261A2 (en) 2007-03-02 2008-09-03 Ricoh Company, Ltd. Toner for developing electrostatic image, method for producing the toner, image forming method, image forming apparatus and process cartridge using the toner
EP2090934A1 (en) 2008-02-13 2009-08-19 Ricoh Company, Ltd. Carrier, two-component developer containing carrier and toner, and image forming method
EP3719578A1 (en) 2019-04-03 2020-10-07 Ricoh Company, Ltd. Electrophotographic developer, replenishment developer, image forming apparatus, process cartridge, and image forming method
WO2021094957A1 (en) 2019-11-15 2021-05-20 Ricoh Company, Ltd. Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge

Also Published As

Publication number Publication date
JPS57168255A (en) 1982-10-16

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