JPS559570A - Production of magnetic toner - Google Patents

Production of magnetic toner

Info

Publication number
JPS559570A
JPS559570A JP8268478A JP8268478A JPS559570A JP S559570 A JPS559570 A JP S559570A JP 8268478 A JP8268478 A JP 8268478A JP 8268478 A JP8268478 A JP 8268478A JP S559570 A JPS559570 A JP S559570A
Authority
JP
Japan
Prior art keywords
magnetic powder
active agent
surface active
mixed
magnetic toner
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.)
Pending
Application number
JP8268478A
Other languages
Japanese (ja)
Inventor
Tsutomu Uehara
Toshihiko Oguchi
Toshiharu Nakagawa
Tsutomu Kubo
Yukio Suzuki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP8268478A priority Critical patent/JPS559570A/en
Publication of JPS559570A publication Critical patent/JPS559570A/en
Pending legal-status Critical Current

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Landscapes

  • Developing Agents For Electrophotography (AREA)

Abstract

PURPOSE: To enable the magnetic toner evenly and well dispersed with magnetic powder to be produced in a short time with good reproducibility at the time of mixing and thermally kneading the magnetic powder with resins by beforehand mixing a surface active agent or surface active agent and lubricant with magnetic powder.
CONSTITUTION: Magnetic powder and a surface active agent such as of metal soap of 0.5 to 3.0 wt% thereof are mixed by a ball mill or mixer. The magnetic powder in a dispersed state wherein the surface active agent has deposited on its circumferences is mixed and processed with resin powder of preferably 100 mesh or under, following to which the mixture is thermally kneaded with a heat roll, kneader, etc. thence it is ground and classified.
COPYRIGHT: (C)1980,JPO&Japio
JP8268478A 1978-07-07 1978-07-07 Production of magnetic toner Pending JPS559570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8268478A JPS559570A (en) 1978-07-07 1978-07-07 Production of magnetic toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8268478A JPS559570A (en) 1978-07-07 1978-07-07 Production of magnetic toner

Publications (1)

Publication Number Publication Date
JPS559570A true JPS559570A (en) 1980-01-23

Family

ID=13781239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8268478A Pending JPS559570A (en) 1978-07-07 1978-07-07 Production of magnetic toner

Country Status (1)

Country Link
JP (1) JPS559570A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159348A (en) * 1984-08-31 1986-03-26 Canon Inc Toner
JPS61132960A (en) * 1984-11-30 1986-06-20 Mita Ind Co Ltd Method for feeding toner composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159348A (en) * 1984-08-31 1986-03-26 Canon Inc Toner
JPS61132960A (en) * 1984-11-30 1986-06-20 Mita Ind Co Ltd Method for feeding toner composition

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