MANUFACTURING METHOD OF TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT AND TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT

PROBLEM TO BE SOLVED: To solve the problem in which: in a toner for electrostatic charge image development using resin coating pigment as colorant, pigment particles being colorant can hardly be contained in toner particles in a stable manner; and therefore, a manufacturing method of toner for relia...

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Bibliographische Detailangaben
Hauptverfasser:	MORI RYOHEI, UMEMOTO HIROTOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To solve the problem in which: in a toner for electrostatic charge image development using resin coating pigment as colorant, pigment particles being colorant can hardly be contained in toner particles in a stable manner; and therefore, a manufacturing method of toner for reliably introducing colorant pigment in toner particles has been desired.SOLUTION: The present invention has been reached through finding of a toner containing colorant pigment in toner particles in an efficient, stable, and reliable manner and a manufacturing method thereof by selecting and combining a resin composition that is a core of a toner particle and a coating resin composition of colorant. The core is an emulsified polymer of an aromatic polyester or an acrylic ester monomer having an aromatic polyester as a seed, and a coating resin of the colorant pigment is a polymer having an acrylic ester-based monomer as a main component.