JPS57168255A - Two-component developer for electrophotography - Google Patents
Two-component developer for electrophotographyInfo
- Publication number
- JPS57168255A JPS57168255A JP56053813A JP5381381A JPS57168255A JP S57168255 A JPS57168255 A JP S57168255A JP 56053813 A JP56053813 A JP 56053813A JP 5381381 A JP5381381 A JP 5381381A JP S57168255 A JPS57168255 A JP S57168255A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- developer
- colloidal silica
- hydrophobic colloidal
- carrier
- 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.)
- Granted
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 6
- 239000008119 colloidal silica Substances 0.000 abstract 4
- 230000002209 hydrophobic effect Effects 0.000 abstract 4
- 239000002245 particle Substances 0.000 abstract 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 229920000180 alkyd Polymers 0.000 abstract 1
- 239000006229 carbon black Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
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)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Inorganic Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
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 true JPS57168255A (en) | 1982-10-16 |
JPH0119584B2 JPH0119584B2 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Cited By (10)
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 |
US7226713B2 (en) | 2003-01-31 | 2007-06-05 | Ricoh Company, Ltd. | Carrier, developer including the carrier and image forming apparatus using the developer |
US8086143B2 (en) | 2007-09-13 | 2011-12-27 | Ricoh Company, Limited | Image forming apparatus for use with carrier including a core and cover layer |
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 |
US10444651B2 (en) | 2017-03-17 | 2019-10-15 | Ricoh Company, Ltd. | Carrier, developer, supplemental developer, image forming apparatus, image forming method, and process cartridge |
US11106150B2 (en) | 2018-11-22 | 2021-08-31 | Ricoh Company, Ltd. | Carrier, developer, method, and apparatus for forming electrophotographic image, and process cartridge |
US12306582B2 (en) | 2019-11-15 | 2025-05-20 | 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 (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1965261B1 (en) | 2007-03-02 | 2016-11-09 | 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 |
US20090202935A1 (en) | 2008-02-13 | 2009-08-13 | Yoshihiro Moriya | Carrier, two-component developer containing carrier and toner, and image forming method |
JP7238554B2 (ja) | 2019-04-03 | 2023-03-14 | 株式会社リコー | 電子写真用現像剤、補給用現像剤、画像形成装置、プロセスカートリッジ及び画像形成方法 |
Citations (6)
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 |
-
1981
- 1981-04-10 JP JP56053813A patent/JPS57168255A/ja active Granted
Patent Citations (6)
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 (11)
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 |
US7226713B2 (en) | 2003-01-31 | 2007-06-05 | Ricoh Company, Ltd. | Carrier, developer including the carrier and image forming apparatus using the developer |
US7272347B2 (en) | 2003-01-31 | 2007-09-18 | Ricoh Company, Ltd. | Carrier, developer including the carrier, and image forming apparatus using the developer |
US8086143B2 (en) | 2007-09-13 | 2011-12-27 | Ricoh Company, Limited | Image forming apparatus for use with carrier including a core and cover layer |
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 |
US10444651B2 (en) | 2017-03-17 | 2019-10-15 | Ricoh Company, Ltd. | Carrier, developer, supplemental developer, image forming apparatus, image forming method, and process cartridge |
US11106150B2 (en) | 2018-11-22 | 2021-08-31 | Ricoh Company, Ltd. | Carrier, developer, method, and apparatus for forming electrophotographic image, and process cartridge |
US12306582B2 (en) | 2019-11-15 | 2025-05-20 | 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 |
---|---|
JPH0119584B2 (enrdf_load_stackoverflow) | 1989-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57168255A (en) | Two-component developer for electrophotography | |
JPS55127569A (en) | Carrier for electrostatic image development | |
JPS5692545A (en) | Electrophotographic developing agent and developing method | |
GB1532080A (en) | Ferrite electrostatographic carrier particles | |
ES8105489A1 (es) | Un procedimiento para preparar particulas portadoras reves- tidas que tienen propiedades conductoras utiles en las mez- clas reveladoras electrostatograficas | |
JPS5662256A (en) | Electrophotographic developer and developing method | |
JPS5646250A (en) | Electrophotographic toner | |
JPS56126843A (en) | Carrier for electrophotographic dry toner | |
JPS5230437A (en) | Electrophotographic negatively charged toner powder | |
JPS57151952A (en) | Magnetic developer | |
GB1532976A (en) | Photoconductive imaging member | |
JPS5381125A (en) | Electrophotographic magnetic toner | |
JPS55155363A (en) | Carrier for dry developer | |
JPS57125943A (en) | Method for developing electrostatic latent image | |
JPS54121744A (en) | Dry type developing process in electrophotography | |
JPS56123550A (en) | Toner for developing electrostatic charge | |
JPS5423538A (en) | Developer for electrophotography | |
JPS55159450A (en) | Static charge developing developer | |
JPS57168256A (en) | Carrier material | |
JPS5528001A (en) | Developer for electrophotography | |
JPS53129041A (en) | Carrier for electrophotographic dry type developing agent | |
JPS5369636A (en) | Liquid developing agent for use in static photography | |
JPS56123552A (en) | Developing powder | |
JPS56143448A (en) | Carrier for electrophotographic developer | |
JPS57120944A (en) | Electrophotographic carrier |