公开(公告)号：US09921503B2

公开(公告)日：2018-03-20

申请号：US15122087

申请日：2015-01-06

申请人： Hiroshi Yamada ,  Tsuyoshi Sugimoto ,  Susumu Chiba ,  Shinsuke Nagai ,  Kohsuke Nagata ,  Shinya Nakayama ,  Yuka Mizoguchi ,  Suzuka Amemori

发明人： Hiroshi Yamada ,  Tsuyoshi Sugimoto ,  Susumu Chiba ,  Shinsuke Nagai ,  Kohsuke Nagata ,  Shinya Nakayama ,  Yuka Mizoguchi ,  Suzuka Amemori

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G15/08

CPC分类号： G03G9/08755 ,  G03G9/0806 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0904 ,  G03G15/08

摘要： A toner including: a pigment; polyester resin A that is insoluble in tetrahydrofuran (THF); and polyester resin B that is soluble in THF, wherein the toner satisfies requirements (1) to (3) below: (1) the polyester resin A includes one or more aliphatic diols including from 3 through 10 carbon atoms, as a component constituting the polyester resin A; (2) the polyester resin B includes at least an alkylene glycol in an amount of 40 mol % or more, as a component constituting the polyester resin B; and (3) a glass transition temperature (Tg1st) of the toner at first heating in differential scanning calorimetry (DSC) of the toner is from 20° C. through 50° C.

公开(公告)号：US09785074B2

公开(公告)日：2017-10-10

申请号：US15116478

申请日：2015-01-06

申请人： Kohsuke Nagata ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Hiroshi Yamada ,  Susumu Chiba ,  Shinsuke Nagai ,  Suzuka Amemori

发明人： Kohsuke Nagata ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Hiroshi Yamada ,  Susumu Chiba ,  Shinsuke Nagai ,  Suzuka Amemori

IPC分类号： G03G9/08 ,  G03G9/087 ,  C08G63/12 ,  C08G63/133 ,  G03G15/08

CPC分类号： G03G9/08755 ,  C08G63/12 ,  C08G63/133 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G15/08

摘要： A polyester resin for a toner, the polyester resin including: a segment derived from an alcohol component; and a segment derived from a carboxylic acid component, wherein the alcohol component includes a trivalent or higher aliphatic alcohol, and wherein the polyester resin satisfies Expressions (1) to (3) below: 500 ≤ Weight ⁢ ⁢ average ⁢ ⁢ molecular ⁢ ⁢ weight ⁢ ⁢ ( Mw ) ( Valence ⁢ ⁢ of ⁢ ⁢ the ⁢ ⁢ trivalent ⁢ ⁢ or higher ⁢ ⁢ aliphatic ⁢ ⁢ alcohol ) × ( Amount ⁢ ⁢ of ⁢ ⁢ the ⁢ ⁢ trivalent ⁢ ⁢ or higher ⁢ ⁢ aliphatic ⁢ ⁢ alcohol ) ≤ 4 , 000 ; Expression ⁢ ⁢ ( 1 ) 4,000≦Weight average molecular weight (Mw)≦25,000   Expression (2); and 0.5≦(Amount of the trivalent or higher aliphatic alcohol)≦6.5   Expression (3), where, in the Expressions (1) and (3), the Amount of the trivalent or higher aliphatic alcohol denotes a percent by mole of the trivalent or higher aliphatic alcohol relative to the alcohol component.

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：US20150248070A1

公开(公告)日：2015-09-03

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： G03G9/00

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：US10859932B2

公开(公告)日：2020-12-08

申请号：US15522567

申请日：2015-10-08

申请人： Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Hiroshi Yamada ,  Hideyuki Santo ,  Ryuta Chiba ,  Suzuka Amemori ,  Kohsuke Nagata

发明人： Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Hiroshi Yamada ,  Hideyuki Santo ,  Ryuta Chiba ,  Suzuka Amemori ,  Kohsuke Nagata

IPC分类号： G03G9/087

摘要： A toner, including: a polyester resin, wherein the polyester resin has a structure represented by any one of formulas 1) to 3) below: 1) R1-(NHCONH-R2)n-, 2) R1-(NHCOO-R2)n-, and 3) R1-(OCONH-R2)n-, where n is 3 or more, R1 represents an aromatic organic group or an aliphatic organic group, and R2 represents a group derived from a resin that is polyester formed of polycarboxylic acid, polyol, or both thereof; or that is a modified polyester obtained by modifying polyester with isocyanate.

公开(公告)号：US10088766B2

公开(公告)日：2018-10-02

申请号：US15538717

申请日：2015-11-30

申请人： Hideyuki Santo ,  Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Suzuka Amemori ,  Hiroshi Yamada ,  Ryuta Chiba ,  Kohsuke Nagata

发明人： Hideyuki Santo ,  Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Suzuka Amemori ,  Hiroshi Yamada ,  Ryuta Chiba ,  Kohsuke Nagata

IPC分类号： G03G9/097 ,  G03G9/087 ,  G03G9/08 ,  C01B33/44 ,  C01B33/40 ,  G03G9/09 ,  G03G5/147

摘要： A layered inorganic mineral including a surface treated with a fluorine-containing compound, where the layered inoganic mineral that can be favorably used for a toner that is excellent in high charging ability, charging stability, and low temperature fixing ability, and that can exhibits high reliability during cleaning.

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：US09557669B2

公开(公告)日：2017-01-31

申请号：US14916911

申请日：2014-08-29

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

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

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

CPC分类号： G03G9/0821 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797 ,  G03G15/08

摘要： A toner, wherein the toner has glass transition temperature [Tg1st (toner)] of 20° C. to 50° C., where the glass transition temperature [Tg1st (toner)] is measured in a first heating in differential scanning calorimetry (DSC) of the toner, wherein tetrahydrofuran (THF) insoluble matter of the toner has glass transition temperature [Tg2nd (THF insoluble matter)] of −40° C. to 30° C., where the glass transition temperature [Tg2nd (THF insoluble matter)] is measured in a second heating in differential scanning calorimetry (DSC) of the tetrahydrofuran (THF) insoluble matter, wherein the THF insoluble matter has a storage modulus at 100° C. [G′(100) (THF insoluble matter)] of 1.0×105 Pa to 1.0×107 Pa, and wherein a ratio of a storage modulus of the THF insoluble matter at 40° C. [G′(40) (THF insoluble matter)] to the storage modulus of the THF insoluble matter at 100° C. [G′(100) (THF insoluble matter)] is 3.5×10 or less.

摘要翻译： 调色剂，其中调色剂具有20℃至50℃的玻璃化转变温度[Tg1st（调色剂）]，其中在差示扫描量热法（DSC）中在第一次加热中测量玻璃化转变温度[Tg1st（调色剂）] ）调色剂，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-40℃至30℃，其中玻璃化转变温度[Tg2nd（THF不溶性物质 ）]在四氢呋喃（THF）不溶物质的差示扫描量热法（DSC）中的第二次加热中测量，其中THF不溶物在100℃下具有储能模量[G'（100）（THF不溶物）] 为1.0×10 5 Pa〜1.0×10 7 Pa，其中THF不溶物在40℃下的储能模量与[THF]不溶物的储能模量[G'（40）（THF不溶物）]的比例 在100℃下[G'（100）（THF不溶物）]为3.5×10以下。

公开(公告)号：US10073366B2

公开(公告)日：2018-09-11

申请号：US15622755

申请日：2017-06-14

申请人： Kohsuke Nagata ,  Ryuuta Yoshida ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Akinori Saitoh ,  Hideyuki Santo ,  Suzuka Karato ,  Koh Ohnuma ,  Takahiro Kadota ,  Shinsuke Nagai ,  Akihiro Takeyama

发明人： Kohsuke Nagata ,  Ryuuta Yoshida ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Akinori Saitoh ,  Hideyuki Santo ,  Suzuka Karato ,  Koh Ohnuma ,  Takahiro Kadota ,  Shinsuke Nagai ,  Akihiro Takeyama

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G15/08

CPC分类号： G03G9/08708 ,  G03G9/0804 ,  G03G9/0815 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0904 ,  G03G15/0865

摘要： A toner is provided. The toner includes an amorphous resin, a crystalline resin dispersed in the amorphous resin, and a release agent. The toner satisfies the following inequality: B/A

公开(公告)号：US10156801B2

公开(公告)日：2018-12-18

申请号：US14914291

申请日：2014-08-13

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

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

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

摘要： A toner, including: a colorant; a binder resin; and a releasing agent, wherein the binder resin includes a polyester resin, and the toner satisfies requirements (1) and (2) below: (1): G′(50)≥3.0×107 Pa and 1.0×105 Pa≤G′(60)≤1.0×107 Pa, where G′(50) is a storage modulus at 50° C. of the toner and G′(60) is a storage modulus at 60° C. of the toner; and (2): a spin-spin relaxation time of the toner at 50° C. measured by solid echo method of pulse NMR is 1.0 ms or shorter.