JPS5652758A - Static charge image developer - Google Patents

Static charge image developer

Info

Publication number
JPS5652758A
JPS5652758A JP5564980A JP5564980A JPS5652758A JP S5652758 A JPS5652758 A JP S5652758A JP 5564980 A JP5564980 A JP 5564980A JP 5564980 A JP5564980 A JP 5564980A JP S5652758 A JPS5652758 A JP S5652758A
Authority
JP
Japan
Prior art keywords
toner
static charge
image developer
charge image
essential component
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
JP5564980A
Other languages
Japanese (ja)
Inventor
Jun Kanbara
Yuzo Omuro
Jinichi Kamogawa
Masaru Nakamura
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP5564980A priority Critical patent/JPS5652758A/en
Publication of JPS5652758A publication Critical patent/JPS5652758A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide a static charge image developer having improved developing efficiency and preventing an image quality deterioration without using a carrier by composing a toner essentially of resin and a ferromagnetic material and forming the toner into spheres having frictional chargeability.
CONSTITUTION: A thermoplastic resin such as styrene resin giving insulating properties as essential component of a toner, a colorant such as carbon black and a ferromagnetic body of fine particle form are blended, if necessary, dye, pigment, a charge controlling agent, etc. may be added. They are mixed, dispersed, kneaded, cooled, and pulverized. The surface of toner particles is sphered by spraying into hot air or other method. This toner has high frictional chargeability and fluidity. Using a static charge image developer contg. this insulating magnetic toner alone as a essential component, a fine transfer image is obtd. with a simple device.
COPYRIGHT: (C)1981,JPO&Japio
JP5564980A 1980-04-25 1980-04-25 Static charge image developer Pending JPS5652758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5564980A JPS5652758A (en) 1980-04-25 1980-04-25 Static charge image developer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5564980A JPS5652758A (en) 1980-04-25 1980-04-25 Static charge image developer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP54087112A Division JPS5834829B2 (en) 1979-07-09 1979-07-09 Electrophotographic developer

Publications (1)

Publication Number Publication Date
JPS5652758A true JPS5652758A (en) 1981-05-12

Family

ID=13004667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5564980A Pending JPS5652758A (en) 1980-04-25 1980-04-25 Static charge image developer

Country Status (1)

Country Link
JP (1) JPS5652758A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7941073B2 (en) 2007-04-20 2011-05-10 Fuji Xerox Co., Ltd. Toner cartridge

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239465A (en) * 1958-05-12 1966-03-08 Xerox Corp Xerographic developer
US3639245A (en) * 1968-07-22 1972-02-01 Minnesota Mining & Mfg Developer power of thermoplastic special particles having conductive particles radially dispersed therein

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239465A (en) * 1958-05-12 1966-03-08 Xerox Corp Xerographic developer
US3639245A (en) * 1968-07-22 1972-02-01 Minnesota Mining & Mfg Developer power of thermoplastic special particles having conductive particles radially dispersed therein

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7941073B2 (en) 2007-04-20 2011-05-10 Fuji Xerox Co., Ltd. Toner cartridge

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