Title:
【発明の名称】電子写真用液体現像剤
Document Type and Number:
Japanese Patent JPS5825266
Kind Code:
B2
Abstract:
A liquid developer for use in electrophotography which is prepared by making a carrier liquid comprising a non-aqueous solvent having a highly insulating property and a low dielectric constant contain a coloring agent and a resin dispersed therein, characterized in that said resin contains the following components (A) and (B): (A) a polymer comprising at least one kind of resin having an acetone tolerance value of 100-5000 and at least one kind of monomer capable of dissolving said resin, and (B) a non-aqueous type thermoplastic resin obtained by esterifying a copolymer obtained from a monomer having the general formula I [wherein R is -H or -CH3 and X is -COOCnH2n+1 or -OCnH2n+1 (6 [wherein R is -H or -CH3 and Y is -COOCn'H2n'+1 (1 and the general formula III [wherein R is -H or -CH3, and Z is -COOCH2CH-N (Cn''H2n''+1)2 (1
Inventors:
TSUBUSHI KAZUO
KIMURA TARO
TASAKA MOTOO
HASHIMOTO JUNICHIRO
KIMURA TARO
TASAKA MOTOO
HASHIMOTO JUNICHIRO
Application Number:
JP10926178A
Publication Date:
May 26, 1983
Filing Date:
September 06, 1978
Export Citation:
Assignee:
RICOH KK
International Classes:
C08F289/00; C08F16/00; C08F16/16; C08F20/00; C08F20/10; C08F291/00; C08L7/00; C08L21/00; C08L23/00; C08L33/00; C08L33/02; C08L51/00; C08L51/02; C08L77/00; C08L101/00; G03G9/12; G03G9/13; (IPC1-7): G03G9/12; C08F289/00; C08L51/00
Attorney, Agent or Firm:
Tsukimura Shigeru