Title:
POLYCARBONATE COPOLYMER, ITS MANUFACTURING METHOD, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR USING IT
Document Type and Number:
Japanese Patent JP2003206349
Kind Code:
A
Abstract:
To provide a polycarbonate copolymer which, less in the nitrogen introduced in the molecular terminals and in the terminal chloroformate groups, has excellent electrical characteristics when used as a material for an electrophotographic photoreceptor, as well as to provide the electrophotographic photoreceptor using this.
The polycarbonate copolymer has the structural units of at least two kinds selected from specific structural units, a viscosity average mol.wt. of 5,000-100,000, 10 ppm or less regarding the amount of the nitrogen introduced into the molecular terminals, and 0.1 μeq/g or less regarding the amount of the chloroformate groups in the molecular terminals.
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Inventors:
MIYAMOTO MASAAKI
UCHIMURA TATSUJI
INOUE TOSHIMITSU
AZUMA SHIGEO
UCHIMURA TATSUJI
INOUE TOSHIMITSU
AZUMA SHIGEO
Application Number:
JP2002003829A
Publication Date:
July 22, 2003
Filing Date:
January 10, 2002
Export Citation:
Assignee:
MITSUBISHI CHEM CORP
International Classes:
G03G5/05; C08G64/06; (IPC1-7): C08G64/06; G03G5/05
Attorney, Agent or Firm:
Hasegawa Moji