TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS

Title:

TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS

Document Type and Number:

WIPO Patent Application WO/2016/147579

Kind Code:

A1

Abstract:

A toner including a binder resin, wherein the toner includes a tetrahydrofuran (THF)-insoluble component in a range of from 10% by mass through 40% by mass, wherein the toner has a main peak in a range of from 12,000 through 18,000 in a molecular weight distribution of a THF-soluble component as measured by gel permeation chromatography (GPC), wherein the main peak has a half value width in a range of from 20,000 to 50,000, and wherein the toner includes a component having a molecular weight of 2,000 or less in a range of from 10.0% by mass through 20.0% by mass and a component having a molecular weight of 100,000 or more of 8.0% by mass or less.

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Inventors:

SEKI MASAHIRO (JP)
SEKIGUCHI YOSHITAKA (JP)
OGAWA SATOSHI (JP)
KITADA NAOKO (JP)

Application Number:

PCT/JP2016/001082

Publication Date:

September 22, 2016

Filing Date:

February 29, 2016

Export Citation:

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Assignee:

RICOH CO LTD (JP)
SEKI MASAHIRO (JP)
SEKIGUCHI YOSHITAKA (JP)
OGAWA SATOSHI (JP)
KITADA NAOKO (JP)

International Classes:

G03G9/087; G03G9/08

Foreign References:

JP2003215844A	2003-07-30
US20060141380A1	2006-06-29
US5948584A	1999-09-07
JP2010282146A	2010-12-16
US20130252160A1	2013-09-26
US20100215408A1	2010-08-26

Other References: