公开(公告)号：US10802412B2

公开(公告)日：2020-10-13

申请号：US16812964

申请日：2020-03-09

申请人： Yuka Aoyama ,  Keiichiro Juri ,  Shinya Nakayama ,  Hiroshi Yamada

发明人： Yuka Aoyama ,  Keiichiro Juri ,  Shinya Nakayama ,  Hiroshi Yamada

IPC分类号： G03G9/087 ,  G03G15/08 ,  G03G21/00

摘要： An image forming apparatus including developing unit to develop electrostatic latent image with toner to form visible image, and cleaning unit including elastic member including surface layer and configured to remove the toner, wherein Martens hardness A and Martens hardness B of the surface layer measured by applying load of 1 μN and load of 1,000 μN, respectively, to position of the surface layer in thickness direction thereof using nanoindenter are both 2.5 N/mm2 or greater but 32.5 N/mm2 or less, and Martens hardness A and Martens hardness B satisfy inequality, Martens hardness A>Martens hardness B wherein coefficient of dynamic friction of the surface layer against polycarbonate is 0.5 or less, and the toner includes polyester resin insoluble to THF and Tg of THF-insoluble component of the toner determined from DSC curve of first heating of DSC is −60° C. or higher but 20° C. or lower.

公开(公告)号：US20180321606A1

公开(公告)日：2018-11-08

申请号：US16031490

申请日：2018-07-10

申请人： Koh OHNUMA ,  Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Hideyuki Santo ,  Shin Hasegawa ,  Suzuka Karato ,  Kohsuke Nagata

发明人： Koh OHNUMA ,  Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Hideyuki Santo ,  Shin Hasegawa ,  Suzuka Karato ,  Kohsuke Nagata

IPC分类号： G03G9/087 ,  G03G15/20 ,  G03G15/08

摘要： Provided is a toner including a crystalline polyester resin including a constitutional unit derived from saturated aliphatic dicarboxylic acid and a constitutional unit derived from saturated aliphatic diol, an amorphous hybrid resin, an amorphous polyester resin, a release agent, and a colorant, wherein the crystalline polyester resin includes a constitutional unit derived from sebacic acid as the constitutional unit derived from the saturated aliphatic dicarboxylic acid, and the amorphous hybrid resin is a composite resin including a polyester-based resin unit and a styrene-based resin unit.

公开(公告)号：US09557672B2

公开(公告)日：2017-01-31

申请号：US14913606

申请日：2014-08-13

申请人： Susumu Chiba ,  Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Kohsuke Nagata ,  Shinsuke Nagai ,  Daisuke Asahina

发明人： Susumu Chiba ,  Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Kohsuke Nagata ,  Shinsuke Nagai ,  Daisuke Asahina

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner, including: a polyester resin, wherein the polyester resin includes a diol component and a crosslink component as constituent components thereof, wherein the diol component contains an aliphatic diol having 3 to 10 carbon atoms in an amount of 50 mol % or more, wherein the crosslink component contains a trihydric or higher aliphatic alcohol, and wherein the toner has a glass transition temperature (Tg1st) of 20° C. to 50° C., where the glass transition temperature (Tg1st) is measured in first heating in differential scanning calorimetry (DSC) of the toner.

摘要翻译： 一种调色剂，其包括：聚酯树脂，其中所述聚酯树脂包括二醇组分和交联组分作为其组分，其中所述二醇组分含有50mol％以上的具有3至10个碳原子的脂族二醇， 其中所述交联组分含有三元或更高级脂族醇，并且其中所述调色剂的玻璃化转变温度（Tg1st）为20℃至50℃，其中玻璃化转变温度（Tg1st） 扫描量热法（DSC）。

公开(公告)号：US09557671B2

公开(公告)日：2017-01-31

申请号：US14629954

申请日：2015-02-24

申请人： Ryuta Chiba ,  Shinya Nakayama ,  Hiroshi Yamada ,  Minoru Masuda ,  Akinori Saitoh ,  Hideyuki Santo ,  Shinsuke Nagai ,  Akihiro Takeyama ,  Hiroyuki Takeda ,  Tsuyoshi Sugimoto ,  Suzuka Amemori ,  Kohsuke Nagata

发明人： Ryuta Chiba ,  Shinya Nakayama ,  Hiroshi Yamada ,  Minoru Masuda ,  Akinori Saitoh ,  Hideyuki Santo ,  Shinsuke Nagai ,  Akihiro Takeyama ,  Hiroyuki Takeda ,  Tsuyoshi Sugimoto ,  Suzuka Amemori ,  Kohsuke Nagata

IPC分类号： G03G9/087 ,  G03G9/09

CPC分类号： G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0906

摘要： A toner, including: base particles containing a polyester resin, a colorant, and a release agent, wherein the toner has a glass transition temperature (Tg1st) of 20° C. to 50° C. where the glass transition temperature (Tg1st) is measured in first heating of differential scanning calorimetry (DSC) of the toner, wherein tetrahydrofuran (THF) insoluble matter of the toner has a glass transition temperature [Tg2nd (THF insoluble matter)] of 30° C. or lower where the glass transition temperature [Tg2nd (THF insoluble to matter)] is measured in second heating of differential scanning calorimetry (DSC) of the THF insoluble matter, and wherein 50% or less of the colorant is present within a region of 1,000 nm from a surface of each of the base particles toward a center thereof.

摘要翻译： 一种调色剂，包括：含有聚酯树脂，着色剂和脱模剂的基础颗粒，其中调色剂的玻璃化转变温度（Tg1st）为20℃至50℃，玻璃化转变温度（Tg1st）为 在调色剂的差示扫描量热法（DSC）的第一次加热中测量，其中调色剂的四氢呋喃（THF）不溶物质的玻璃化转变温度[Tg2nd（THF不溶物））为30℃或更低，其中玻璃化转变温度 在THF不溶性物质的差示扫描量热法（DSC）的第二次加热中测量[Tg2nd（THF不溶于物质）]，其中50％以下的着色剂存在于距离每个 基础颗粒朝向其中心。

公开(公告)号：US09170511B2

公开(公告)日：2015-10-27

申请号：US14208355

申请日：2014-03-13

申请人： Tatsuru Moritani ,  Yoshihiro Moriya ,  Hiroshi Yamada ,  Ryota Inoue ,  Shinya Nakayama ,  Atsushi Yamamoto

发明人： Tatsuru Moritani ,  Yoshihiro Moriya ,  Hiroshi Yamada ,  Ryota Inoue ,  Shinya Nakayama ,  Atsushi Yamamoto

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/093

CPC分类号： G03G9/08764 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08728 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09314 ,  G03G9/09328 ,  G03G9/09371 ,  G03G9/09392

摘要： Toner contains a binder resin containing one or more kinds of crystalline resin and one or more kinds of non-crystalline resin. The non-crystalline resin located at the surface portion of the toner forms a shell structure of a continuous phase of the non-crystalline resin and the toner has an amount of melting heat of 30 J/g or more in a second temperature rising as measured by differential scanning calorimetry (DSC).

摘要翻译： 调色剂含有含有一种或多种结晶树脂和一种或多种非结晶性树脂的粘合剂树脂。 位于调色剂表面部分的非结晶树脂形成非结晶树脂的连续相的壳结构，调色剂在测量的第二升温中的熔融热量为30J / g以上 通过差示扫描量热法（DSC）。

公开(公告)号：US09134638B2

公开(公告)日：2015-09-15

申请号：US14350213

申请日：2012-10-17

申请人： Shingo Sakashita ,  Shinya Nakayama ,  Masahide Yamada ,  Atsushi Yamamoto ,  Hideyuki Santo ,  Yukiko Nakajima ,  Suzuka Amemori

发明人： Shingo Sakashita ,  Shinya Nakayama ,  Masahide Yamada ,  Atsushi Yamamoto ,  Hideyuki Santo ,  Yukiko Nakajima ,  Suzuka Amemori

IPC分类号： G03G9/087

CPC分类号： G03G9/08764 ,  C08G63/00 ,  C08G63/91 ,  C08L67/00 ,  G03G9/08755 ,  G03G9/08768 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/132

摘要： A toner including at least a crystalline resin as a binder resin, wherein a tetrahydrofuran soluble content of the toner includes 5.0% or more as a peak area of a component having a molecular weight of 100,000 or greater in a molecular weight distribution measured by gel permeation chromatography, and the tetrahydrofuran soluble content of the toner has a weight-average molecular weight of 20,000 to 60,000.

摘要翻译： 包含至少一种作为粘合剂树脂的结晶树脂的调色剂，其中调色剂的四氢呋喃可溶物含量为通过凝胶渗透测定的分子量分布中分子量为100,000以上的成分的峰面积的5.0％以上 色谱法，调色剂的四氢呋喃可溶成分的重均分子量为20,000〜60,000。

公开(公告)号：US20150253687A1

公开(公告)日：2015-09-10

申请号：US14630783

申请日：2015-02-25

申请人： Ryuta Chiba ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Hiroshi Yamada ,  Susumu Chiba ,  Shinsuke Nagai ,  Hiroshi Yamashita ,  Masana Shiba

发明人： Ryuta Chiba ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Hiroshi Yamada ,  Susumu Chiba ,  Shinsuke Nagai ,  Hiroshi Yamashita ,  Masana Shiba

IPC分类号： G03G9/00

CPC分类号： G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/092

摘要： A magenta toner for electrophotography, including: a polyester resin; and a colorant containing a naphthol-based pigment, wherein the magenta toner for electrophotography satisfies requirements and below: [G′(100)(THF insoluble matter)] is 1.0×105 Pa to 1.0×107 Pa, and a ratio of [G′(40)(THF insoluble matter)] to the [G′(100)(THF insoluble matter)] is 3.5×10 or less, where the [G′(100)(THF insoluble matter)] is a storage modulus at 100° C. of THF insoluble matter of the toner and the [G′(40)(THF insoluble matter)] is a storage modulus at 40° C. of the THF insoluble matter of the toner; and an X-ray diffraction pattern of the naphthol-based pigment in a crystalline state has a plurality of peaks in a range of 0°≦2θ≦35°, and a sum of half value widths of the peaks is 5° to 10°.

摘要翻译： 用于电子照相的洋红色调色剂，包括：聚酯树脂; 和含有萘酚基颜料的着色剂，其中用于电子照相的品红色调色剂满足以下要求<1＆gt;＆lt; 2＆gt; [1] [G'（100）（THF不溶物）]为1.0×10 5 Pa〜1.0× 107Pa，[G'（40）（THF不溶物）]与[G'（100）（THF不溶物）]的比例为3.5×10以下，[G'（100）（THF 不溶物）]是调色剂的THF不溶物质和[G'（40）（THF不溶物））在100℃下的储能模量是40℃下的THF不溶性物质的储能模量 墨粉 和<2>结晶状态的萘酚基颜料的X射线衍射图案具有在0°＆lt; 1lE; 2＆amp; Thetas;＆amp; NlE; 35°的范围内的多个峰，并且峰的半值宽度的和 是5°至10°。

公开(公告)号：US09127118B2

公开(公告)日：2015-09-08

申请号：US13413980

申请日：2012-03-07

申请人： Hideyuki Santo ,  Shinya Nakayama ,  Atsushi Yamamoto ,  Yoshihiro Moriya ,  Akiyoshi Sabu ,  Daisuke Asahina ,  Yoshitaka Yamauchi ,  Taichi Nemoto ,  Yukiko Nakajima ,  Daiki Yamashita ,  Masahide Yamada ,  Keiji Makabe

发明人： Hideyuki Santo ,  Shinya Nakayama ,  Atsushi Yamamoto ,  Yoshihiro Moriya ,  Akiyoshi Sabu ,  Daisuke Asahina ,  Yoshitaka Yamauchi ,  Taichi Nemoto ,  Yukiko Nakajima ,  Daiki Yamashita ,  Masahide Yamada ,  Keiji Makabe

IPC分类号： G03G9/087 ,  C08G63/08

CPC分类号： C08G63/08 ,  G03G9/08755 ,  G03G9/08757 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08797

摘要： A resin for toner contains a polyhydroxycarboxylic acid skeleton and a rigid skeleton.

摘要翻译： 用于调色剂的树脂含有聚羟基羧酸骨架和刚性骨架。

公开(公告)号：US20140301757A1

公开(公告)日：2014-10-09

申请号：US14350213

申请日：2012-10-17

申请人： Shingo Sakashita ,  Shinya Nakayama ,  Masahide Yamada ,  Atsushi Yamamoto ,  Hideyuki Santo ,  Yukiko Nakajima ,  Suzuka Amemori

发明人： Shingo Sakashita ,  Shinya Nakayama ,  Masahide Yamada ,  Atsushi Yamamoto ,  Hideyuki Santo ,  Yukiko Nakajima ,  Suzuka Amemori

IPC分类号： G03G9/087

CPC分类号： G03G9/08764 ,  C08G63/00 ,  C08G63/91 ,  C08L67/00 ,  G03G9/08755 ,  G03G9/08768 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/132

摘要： A toner including at least a crystalline resin as a binder resin, wherein a tetrahydrofuran soluble content of the toner includes 5.0% or more as a peak area of a component having a molecular weight of 100,000 or greater in a molecular weight distribution measured by gel permeation chromatography, and the tetrahydrofuran soluble content of the toner has a weight-average molecular weight of 20,000 to 60,000.

摘要翻译： 包含至少一种作为粘合剂树脂的结晶树脂的调色剂，其中调色剂的四氢呋喃可溶物含量为通过凝胶渗透测定的分子量分布中分子量为100,000以上的成分的峰面积的5.0％以上 色谱法，调色剂的四氢呋喃可溶成分的重均分子量为20,000〜60,000。

公开(公告)号：US08546055B2

公开(公告)日：2013-10-01

申请号：US13063701

申请日：2009-09-02

申请人： Shinya Nakayama ,  Hisashi Nakajima ,  Saori Yamada ,  Mitsuo Aoki ,  Hyo Shu ,  Hiroyuki Kishida

发明人： Shinya Nakayama ,  Hisashi Nakajima ,  Saori Yamada ,  Mitsuo Aoki ,  Hyo Shu ,  Hiroyuki Kishida

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/081 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner containing at least a binder resin, releasing agent, and colorant, wherein the binder resin contains polyester resin (A), polyester resin (B), and polyester resin (C), which is prepared by condensation-polymerizing (i) an alcohol component containing an alkylene oxide adduct of bisphenol compound and (ii) a carboxylic acid component; at least one of the polyester resin (A) and polyester resin (B) is a polyester resin prepared by condensation-polymerizing (i) the alcohol component substantially composed of only aliphatic alcohol and containing 1,2-propanediol in an amount of 65 mole % or more of a divalent alcohol component and (ii) the carboxylic acid component; and a softening point Tm(A) of the polyester resin (A) is 10 C or more higher than Tm(B) of the polyester resin (B), and the absolute difference between Tm(C) of the polyester resin (C) and the Tm(B) is 5° C. or less.

摘要翻译： 含有至少粘合剂树脂，脱模剂和着色剂的调色剂，其中粘合剂树脂含有聚酯树脂（A），聚酯树脂（B）和聚酯树脂（C），其通过将（i） 含有双酚化合物的烯化氧加成物的醇成分和（ii）羧酸成分; 聚酯树脂（A）和聚酯树脂（B）中的至少一种是通过将（i）基本上仅由脂肪醇组成并含有65摩尔量的1,2-丙二醇的醇组分进行缩聚而制备的聚酯树脂 ％以上的二价醇成分和（ii）羧酸成分; 聚酯树脂（A）的软化点Tm（A）比聚酯树脂（B）的Tm（B）高10℃以上，聚酯树脂（C）的Tm（℃） Tm（B）为5℃以下。