ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, TONER CARTRIDGE, AND METHOD FOR FIXING TONER IMAGE

PROBLEM TO BE SOLVED: To provide a toner and a fixing method excellent in fixability and hot storage resistance even in the case of a fixing device using a low surface pressure thin roller, and to provide a black colorant substitutable for carbon black. SOLUTION: The electrostatic charge image devel...

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Bibliographic Details
Main Authors KURAMOTO SHINICHI, NAGAYAMA MASASHI, SAWADA TOYOSHI, SHU HIYO, AOKI MITSUO, HASEGAWA HISAMI, SHIRAISHI KEIKO
Format Patent
LanguageEnglish
Published 30.09.2004
Edition7
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a toner and a fixing method excellent in fixability and hot storage resistance even in the case of a fixing device using a low surface pressure thin roller, and to provide a black colorant substitutable for carbon black. SOLUTION: The electrostatic charge image developing toner is used in a fixing device in which a toner image is heat-fixed by passing a support which supports the toner image between two rollers, the thickness of the fixing roller brought into contact with the toner image supporting surface is ≤1.0 mm, and surface pressure applied between the two rollers ((roller load)/(contact surface area)) is ≤1.5×105Pa. The toner includes a resin, a wax and a colorant as essential components, wherein a black iron oxide compound including 10-45 wt.% (expressed in terms of Ti atoms) of a titanium compound based on the amount of Fe atoms is used as the colorant. COPYRIGHT: (C)2004,JPO&NCIPI
Bibliography:Application Number: JP20030062199