JPS55151647A - Toner for electrostatic development - Google Patents

Toner for electrostatic development

Info

Publication number
JPS55151647A
JPS55151647A JP5989979A JP5989979A JPS55151647A JP S55151647 A JPS55151647 A JP S55151647A JP 5989979 A JP5989979 A JP 5989979A JP 5989979 A JP5989979 A JP 5989979A JP S55151647 A JPS55151647 A JP S55151647A
Authority
JP
Japan
Prior art keywords
toner
copolymer
dye
conjugated diene
compound
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
Application number
JP5989979A
Other languages
Japanese (ja)
Other versions
JPS6348058B2 (en
Inventor
Katsuhiko Yamamoto
Tatsuo Isoko
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP5989979A priority Critical patent/JPS55151647A/en
Publication of JPS55151647A publication Critical patent/JPS55151647A/en
Publication of JPS6348058B2 publication Critical patent/JPS6348058B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To obtain the title toner having superior storage stability, free from offset and fixable at a low temp. by blending a specified block copolymer and pigment or dye.
CONSTITUTION: A vinyl-substituted aromatic compound such as styrene and a conjugated diene compound such as butadiene are copolymerized to form a block copolymer having a relative viscosity of 1.25W1.85 in 1g/dl toluene at 30°C and a Vicat softening point of 45W85°C and contg. 25wt% or less of the conjugated diene compound. About 40W90wt% of the copolymer is mixed with about 10W60wt% of carbon black and dye, and this mixture is melted, kneaded, cooled, and pulverized to obtain toner of 5W20μ grain size. The copolymer is preferably formed by anion soln. polymerization in the presence of an org. lithium compound as catalyst.
COPYRIGHT: (C)1980,JPO&Japio
JP5989979A 1979-05-16 1979-05-16 Toner for electrostatic development Granted JPS55151647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5989979A JPS55151647A (en) 1979-05-16 1979-05-16 Toner for electrostatic development

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5989979A JPS55151647A (en) 1979-05-16 1979-05-16 Toner for electrostatic development

Publications (2)

Publication Number Publication Date
JPS55151647A true JPS55151647A (en) 1980-11-26
JPS6348058B2 JPS6348058B2 (en) 1988-09-27

Family

ID=13126421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5989979A Granted JPS55151647A (en) 1979-05-16 1979-05-16 Toner for electrostatic development

Country Status (1)

Country Link
JP (1) JPS55151647A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56110948A (en) * 1980-02-06 1981-09-02 Konishiroku Photo Ind Co Ltd Toner for electrostatic charge image development and its production
JPS58100859A (en) * 1981-12-12 1983-06-15 Nippon Carbide Ind Co Ltd Toner for developing electrostatic charge image
JPS617848A (en) * 1984-06-15 1986-01-14 ゼロツクス　コーポレーシヨン 1-component cool pressure fixing toner composition
JPS61200549A (en) * 1985-02-28 1986-09-05 Hitachi Chem Co Ltd Electrophotographic toner
JPS62267764A (en) * 1986-05-16 1987-11-20 Canon Inc Toner for developing electrostatic charge image
JPH0359570A (en) * 1989-07-28 1991-03-14 Canon Inc Toner for heat fixing
JPH0359569A (en) * 1989-07-28 1991-03-14 Canon Inc Toner for heat fixing
JPH03217849A (en) * 1990-01-24 1991-09-25 Canon Inc Toner for thermal fixing
US5912097A (en) * 1993-07-06 1999-06-15 Eastman Kodak Company Electrostatographic method using an overlay toner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5724502B2 (en) * 2011-03-23 2015-05-27 富士ゼロックス株式会社 Toner set for developing electrostatic image, electrostatic image developer set, toner cartridge set, process cartridge, image forming apparatus, and image forming method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5168235A (en) * 1974-12-10 1976-06-12 Ricoh Kk Tonaazono teichakuhoho
JPS5168833A (en) * 1974-12-12 1976-06-14 Ricoh Kk
JPS5170647A (en) * 1974-12-16 1976-06-18 Ricoh Kk
JPS53141628A (en) * 1977-05-17 1978-12-09 Mita Industrial Co Ltd Developing agent for use in electrostatic image

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5168235A (en) * 1974-12-10 1976-06-12 Ricoh Kk Tonaazono teichakuhoho
JPS5168833A (en) * 1974-12-12 1976-06-14 Ricoh Kk
JPS5170647A (en) * 1974-12-16 1976-06-18 Ricoh Kk
JPS53141628A (en) * 1977-05-17 1978-12-09 Mita Industrial Co Ltd Developing agent for use in electrostatic image

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56110948A (en) * 1980-02-06 1981-09-02 Konishiroku Photo Ind Co Ltd Toner for electrostatic charge image development and its production
JPS58100859A (en) * 1981-12-12 1983-06-15 Nippon Carbide Ind Co Ltd Toner for developing electrostatic charge image
JPH0241747B2 (en) * 1981-12-12 1990-09-19
JPS617848A (en) * 1984-06-15 1986-01-14 ゼロツクス　コーポレーシヨン 1-component cool pressure fixing toner composition
JPS61200549A (en) * 1985-02-28 1986-09-05 Hitachi Chem Co Ltd Electrophotographic toner
JPH0431382B2 (en) * 1985-02-28 1992-05-26
JPS62267764A (en) * 1986-05-16 1987-11-20 Canon Inc Toner for developing electrostatic charge image
JPH0359570A (en) * 1989-07-28 1991-03-14 Canon Inc Toner for heat fixing
JPH0359569A (en) * 1989-07-28 1991-03-14 Canon Inc Toner for heat fixing
JPH03217849A (en) * 1990-01-24 1991-09-25 Canon Inc Toner for thermal fixing
US5912097A (en) * 1993-07-06 1999-06-15 Eastman Kodak Company Electrostatographic method using an overlay toner

Also Published As

Publication number Publication date
JPS6348058B2 (en) 1988-09-27

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