ELECTROPHOTOGRAPHIC TONER

PROBLEM TO BE SOLVED: To provide an electrophotographic toner which shows favorable deinking property and whiteness presumably resulting from the alkali hydrolysis property of α-hydroxycarboxylic acid in the process of recycling used paper and which has a favorable fixing property, pulverizing prope...

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1. Verfasser:	MATSUOKA YOJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHOTOGRAPHY PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an electrophotographic toner which shows favorable deinking property and whiteness presumably resulting from the alkali hydrolysis property of α-hydroxycarboxylic acid in the process of recycling used paper and which has a favorable fixing property, pulverizing property, hot offset resistance and storage property. SOLUTION: The electrophotographic toner features that: a resin comprising a decomposable polyester resin prepared from poly α-hydroxycarboxylic acid and other polyester resins is used as a binder resin; a resin prepared by chain extension of poly α-hydroxycarboxylic acid and other polyester resins with polyisocyanate is used as the main component of the binder resin; and the poly α-hydroxycarboxylic acid is obtained by a direct dehydration polymerization condensation method. COPYRIGHT: (C)2004,JPO