JPS5471642A - Electrophotographic liquid developer - Google Patents

Electrophotographic liquid developer

Info

Publication number
JPS5471642A
JPS5471642A JP13867777A JP13867777A JPS5471642A JP S5471642 A JPS5471642 A JP S5471642A JP 13867777 A JP13867777 A JP 13867777A JP 13867777 A JP13867777 A JP 13867777A JP S5471642 A JPS5471642 A JP S5471642A
Authority
JP
Japan
Prior art keywords
meth
acrylic acid
polymer
carrier fluid
mole
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
JP13867777A
Other languages
Japanese (ja)
Inventor
Takaharu Kurita
Shuntaro Kori
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP13867777A priority Critical patent/JPS5471642A/en
Publication of JPS5471642A publication Critical patent/JPS5471642A/en
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Developers In Electrophotography (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: To simplify preparation without impairing the superior characteristics of liquid developer, by using a pigment, a highly insulating carrier fluid, and a specified polymer complex as main components.
CONSTITUTION: A (meth) acrylic acid ester of aliphatic alcohol with 6 or more carbon atoms and 20 mole % or less (meth) acrylic acid are copolymerized in a highly insulating carrier fluid to form a polymer A. A (meth) acrylic acid ester of aliphatic alcohol with 6 or less carbon atoms, 50 mole % a (meth) acrylic acid ester of aliphatic alcohol with 6 or more carbon atoms, and 20 mole % or less glycidyl methacrylate are similarly copolymerized in a carrier fluid. The polymer B obtained is highly concentrated and mixed with the solution of polymer A in a state dissolved in the carrier fluid to make reaction. The solution of the polymer complex thus obtained by epoxy ring opening reaction and esterification reaction is diluted and pigments are added.
COPYRIGHT: (C)1979,JPO&Japio
JP13867777A 1977-11-17 1977-11-17 Electrophotographic liquid developer Pending JPS5471642A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13867777A JPS5471642A (en) 1977-11-17 1977-11-17 Electrophotographic liquid developer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13867777A JPS5471642A (en) 1977-11-17 1977-11-17 Electrophotographic liquid developer

Publications (1)

Publication Number Publication Date
JPS5471642A true JPS5471642A (en) 1979-06-08

Family

ID=15227518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13867777A Pending JPS5471642A (en) 1977-11-17 1977-11-17 Electrophotographic liquid developer

Country Status (1)

Country Link
JP (1) JPS5471642A (en)

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