TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT AND PROCESS FOR PRODUCING TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT

Title:

TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT AND PROCESS FOR PRODUCING TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT

Document Type and Number:

WIPO Patent Application WO/2019/216420

Kind Code:

A1

Abstract:

This toner for electrostatic charge image development contains toner particles and an external additive. The toner particles contain: a binder containing a crystalline polyester resin; a coloring agent; and a mold release agent. The crystalline polyester resin contains sabicic acid as an acid component and 1,10-decanediol as an alcohol component, and has a mass-average molecular weight of 3000 to 5000. The content of the ceramic raw material powder in the toner particles is 5 to 10% by mass.

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Inventors:

KUSAMIYA MOTOYUKI (JP)
OGURA KENJI (JP)

Application Number:

PCT/JP2019/018763

Publication Date:

November 14, 2019

Filing Date:

May 10, 2019

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Assignee:

SAKATA INX CORP (JP)

International Classes:

G03G9/087; G03G9/08; G03G9/097

Foreign References:

JP2008116613A	2008-05-22
JP2014063065A	2014-04-10
JP2014077934A	2014-05-01
JP2017129714A	2017-07-27

Attorney, Agent or Firm:

ASAHINA & CO. (JP)

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