JPS5643645A - Granular toner - Google Patents

Granular toner

Info

Publication number
JPS5643645A
JPS5643645A JP11905479A JP11905479A JPS5643645A JP S5643645 A JPS5643645 A JP S5643645A JP 11905479 A JP11905479 A JP 11905479A JP 11905479 A JP11905479 A JP 11905479A JP S5643645 A JPS5643645 A JP S5643645A
Authority
JP
Japan
Prior art keywords
toner
diameter
fuming
colorant
binder
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
JP11905479A
Other languages
Japanese (ja)
Inventor
Takao Muramatsu
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 JP11905479A priority Critical patent/JPS5643645A/en
Publication of JPS5643645A publication Critical patent/JPS5643645A/en
Pending legal-status Critical Current

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  • Developing Agents For Electrophotography (AREA)

Abstract

PURPOSE: To prevent scattering and fuming of a toner and yet to be easily pulverizable to a proper powder in a developing unit, by agglomerating a toner containing a binder and a colorant into granules of diameter ≥ a specified value.
CONSTITUTION: A binder for which all the known materials are available, and a colorant, such as carbon black are mixed and pulverized, melted and kneaded, then finely pulverized, and the obtained toner of 0.5W70μm particle diameter is formed into agglomerate granules of the minimal granule diameter ≥100μm in a basket type granulator. It is preferable to form it into a cylindrical shape of 0.1W0.8mm diameter. This granular toner is prevented from scatteing and fuming in particulates in its handling, such as feed to a developing unit, and staining the environment, a human body, the machine, etc., but it is easily converted into the initial powder suitable for superior development in use in the apparatus.
COPYRIGHT: (C)1981,JPO&Japio
JP11905479A 1979-09-17 1979-09-17 Granular toner Pending JPS5643645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11905479A JPS5643645A (en) 1979-09-17 1979-09-17 Granular toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11905479A JPS5643645A (en) 1979-09-17 1979-09-17 Granular toner

Publications (1)

Publication Number Publication Date
JPS5643645A true JPS5643645A (en) 1981-04-22

Family

ID=14751759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11905479A Pending JPS5643645A (en) 1979-09-17 1979-09-17 Granular toner

Country Status (1)

Country Link
JP (1) JPS5643645A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02167564A (en) * 1988-08-30 1990-06-27 Nippon Shokubai Kagaku Kogyo Co Ltd Colored fine particle and toner for developing electrostatic image comprising this colored fine particle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02167564A (en) * 1988-08-30 1990-06-27 Nippon Shokubai Kagaku Kogyo Co Ltd Colored fine particle and toner for developing electrostatic image comprising this colored fine particle

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