公开(公告)号：US20200266409A1

公开(公告)日：2020-08-20

申请号：US16561511

申请日：2019-09-05

申请人： FUJI XEROX CO., LTD.

发明人： Kosaku YOSHIMURA ,  Yasunobu KASHIMA ,  Hajime SUGAHARA ,  Hidekazu HIROSE

IPC分类号： H01M2/16 ,  H01M10/0525 ,  C08J9/26

摘要： A porous polyimide film has an acid value within a range of 7 mgKOH/g to 20 mgKOH/g determined by acid-base titration, contains a metal group including alkali metals excluding Li, an alkaline earth metals, and silicon at a total content of 100 ppm or less relative to the porous polyimide film, and has a moisture absorption ratio of 0.5% or less.

公开(公告)号：US20210079162A1

公开(公告)日：2021-03-18

申请号：US16744139

申请日：2020-01-15

申请人： FUJI XEROX CO., LTD.

发明人： Yasunobu KASHIMA ,  Kosaku YOSHIMURA ,  Kosuke NAKADA ,  Hidekazu HIROSE

IPC分类号： C08G73/12 ,  B05D3/02 ,  C08G73/10 ,  C09D179/08

摘要： A polyimide precursor solution includes a polyimide precursor having a weight average molecular weight within a range of 20000 to 80000, particles, and an aqueous solvent. The aqueous solvent contains an organic amine compound (A) (excluding a water-soluble organic solvent (B) described below), a water-soluble organic solvent (B) containing at least one selected from the group consisting of N-methyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone, N,N-dimethylformamide, and N,N-dimethylacetamide, and water (C). A content ratio [(A):(B):(C)] of (A), (B), and (C) is within a range of 0.02 to 0.07:0.02 to 0.05:0.88 to 0.96 in terms of mass ratio.

公开(公告)号：US20160091811A1

公开(公告)日：2016-03-31

申请号：US14595759

申请日：2015-01-13

申请人： FUJI XEROX CO., LTD.

发明人： Takatsugu DOI ,  Kosaku YOSHIMURA ,  Satoshi YOSHIDA ,  Soichiro KITAGAWA ,  Shinpei TAKAGI

IPC分类号： G03G9/00

CPC分类号： G03G9/08755

摘要： An electrostatic charge image developing toner includes a binder resin containing an amorphous polyester resin and a crystalline polyester resin, wherein a ratio of the crystalline polyester resin to a total of the amorphous polyester resin and the crystalline polyester resin is from 12% to 40% by weight, and the toner satisfies the following equations (1) and (2), 30° C.≦T1≦45° C.  (1) 1.0×108 Pa≦G′(X)≦5.0×108 Pa  (2) wherein T1 represents a temperature at which a storage elastic modulus G′ is 1.0×108 Pa, G′(X) represents a storage elastic modulus G′(B) at a temperature X′° C., and X′° C. represents a temperature at which a ratio of a storage elastic modulus G′(B) to a storage elastic modulus G′(A) has a maximum value.

摘要翻译： 静电荷图像显影调色剂包括含有无定形聚酯树脂和结晶聚酯树脂的粘合剂树脂，其中结晶聚酯树脂与无定形聚酯树脂和结晶聚酯树脂的总量的比例为12％至40％，通过 （1）1.0×108 Pa＆nlE; G'（X）＆nlE; 5.0×108Pa（2）（1）和（2） ）其中T1表示储存弹性模量G'为1.0×108Pa的温度，G'（X）表示在温度X'℃下的储能弹性模量G'（B），X'℃。 表示储能弹性模量G'（B）与储能弹性模量G'（A）的比率具有最大值的温度。

公开(公告)号：US20140255839A1

公开(公告)日：2014-09-11

申请号：US14026608

申请日：2013-09-13

申请人： FUJI XEROX CO., LTD.

发明人： Tetsuya TAGUCHI ,  Satoshi YOSHIDA ,  Shinya NAKASHIMA ,  Shinya SAKAMOTO ,  Kosaku YOSHIMURA ,  Emi MIYATA

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0821 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09733 ,  G03G9/09783 ,  G03G15/0865

摘要： An electrostatic charge image developing toner includes a binder resin and a release agent, and when a peak temperature during a first temperature increase and a peak temperature during a second temperature increase, that are obtained by differential scanning calorimetry including performing the first temperature increase at 10° C./min after holding at 10° C., performing cooling at −10° C./min, performing a heat treatment for 24 hours at 50° C., and performing the second temperature increase at 10° C./min, are represented by Tt1 and Tt2(50° C.), respectively, the following Expression (1) is satisfied: Tt1

摘要翻译： 静电荷图像显影调色剂包括粘合剂树脂和脱模剂，并且当通过差示扫描量热法获得第一温度升高期间的峰值温度和第二升温期间的峰值温度，包括在10℃下进行第一温度升高 保持在10℃后，在-10℃/分钟下进行冷却，在50℃下进行热处理24小时，在10℃/分钟进行第二次升温 分别由Tt1和Tt2（50℃）表示，满足以下表达式（1）：Tt1

公开(公告)号：US20210202925A1

公开(公告)日：2021-07-01

申请号：US16853677

申请日：2020-04-20

申请人： FUJI XEROX CO., LTD.

发明人： Kosuke NAKADA ,  Hidekazu HIROSE ,  Yasunobu KASHIMA ,  Kosaku YOSHIMURA ,  Tomoya SASAKI

IPC分类号： H01M2/16 ,  H01M10/0525

摘要： A porous polyimide film has plural pores, in which an average flattening of the plural pores is within a range of 0.1 to 0.7, a coefficient of variation of a distance between adjacent pores is within a range of 0.10 to 0.40, and a front surface and aback surface communicate with each other through the plural pores.

公开(公告)号：US20210070939A1

公开(公告)日：2021-03-11

申请号：US16745378

申请日：2020-01-17

申请人： FUJI XEROX CO., LTD.

发明人： Kosaku YOSHIMURA ,  Kosuke NAKADA ,  Yasunobu KASHIMA ,  Hidekazu HIROSE

IPC分类号： C08G73/10 ,  C08L33/10 ,  C08L25/04 ,  C08L67/00 ,  C08J5/18 ,  C08K7/16

摘要： A polyimide precursor solution includes a polyimide precursor, an aqueous solvent containing dimethyl sulfoxide and water, and particles. The content of the dimethyl sulfoxide relative to the particles is within a range of 0.15 to 2.00 in terms of mass ratio.

公开(公告)号：US20200239656A1

公开(公告)日：2020-07-30

申请号：US16540060

申请日：2019-08-14

申请人： FUJI XEROX CO., LTD.

发明人： Yasunobu KASHIMA ,  Kosaku YOSHIMURA ,  Hajime SUGAHARA ,  Hidekazu HIROSE

IPC分类号： C08J9/00 ,  H01M10/0525 ,  H01M2/16

摘要： There is provided a porous polyimide film in which the pore distribution width A represented by the following formula is 1.15 or less, the average pore diameter is within a range of 0.50 μm to 3.0 μm, and the air permeation speed is 30 seconds or less: A=(D84/D16)1/2 wherein D16 is the pore diameter at 16% cumulation from the small diameter side of pores, and D84 is the pore diameter at 84% cumulation from the small diameter side of pores.

公开(公告)号：US20190239350A1

公开(公告)日：2019-08-01

申请号：US16167547

申请日：2018-10-23

申请人： FUJI XEROX CO., LTD.

发明人： Hajime SUGAHARA ,  Hidekazu HIROSE ,  Katsumi NUKADA ,  Tomoya SASAKI ,  Kosaku YOSHIMURA ,  Akira IMAI

IPC分类号： H05K1/03

摘要： A porous polyimide shaped article has a thickness in a range from 550 μm to 3,000 μm and has a relative dielectric constant of 1.8 or less and a dielectric loss tangent of 0.01 or less at 1 MHz. The porous polyimide shaped article satisfies the following formula: 1.2≤A≤1.6 wherein A represents a square root of a ratio of a pore size D84 where a cumulative percentage by number of pores from smaller sizes is 84% to a pore size D16 where the cumulative percentage by number of the pores from smaller sizes is 16% ((D84/D16)1/2) in a pore size distribution measured by mercury intrusion porosimetry.

公开(公告)号：US20150044601A1

公开(公告)日：2015-02-12

申请号：US14190513

申请日：2014-02-26

申请人： FUJI XEROX CO., LTD.

发明人： Tetsuya TAGUCHI ,  Shinya SAKAMOTO ,  Kosaku YOSHIMURA ,  Satoshi YOSHIDA ,  Shinya NAKASHIMA

IPC分类号： G03G9/00

CPC分类号： G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08733 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： An electrostatic charge image developing toner includes toner particles containing a binder resin containing a polyester resin forming a sea part and a vinyl resin forming an island part of a sea-island structure, a first release agent existing in the sea part in a domain state, and a second release agent existing in the island part in a domain state, wherein when a cross-sectional area of the second release agent is set to A1 and a cross-sectional area of the first release agent is set to B1 in a cross section of the toner particles, a relationship of 0.2≦A1/B1≦0.8 is satisfied.

摘要翻译： 静电荷图像显影调色剂包括调色剂颗粒，该调色剂颗粒含有形成海洋部分的聚酯树脂和形成海岛结构的岛部分的乙烯基树脂的粘合剂树脂，处于海状部分的畴状态的第一脱模剂， 以及存在于岛状态的第二脱模剂，其中当所述第二脱模剂的截面面积设定为A1，并且所述第一脱模剂的截面面积在截面中设定为B1时 的调色剂颗粒，满足0.2＆nlE; A1 / B1＆nlE; 0.8的关系。

公开(公告)号：US20210238392A1

公开(公告)日：2021-08-05

申请号：US17149724

申请日：2021-01-15

申请人： FUJI XEROX CO., LTD.

发明人： Yasunobu KASHIMA ,  Kosaku YOSHIMURA ,  Tomoya SASAKI ,  Kosuke NAKADA ,  Hidekazu HIROSE

IPC分类号： C08L1/10 ,  C08L71/02 ,  C08J5/18 ,  C08J9/26

摘要： A polyimide precursor-containing aqueous composition contains at least one polymer material selected from the group consisting of a water-insoluble fibrous organic substance and a polyalkylene oxide having a viscosity-average molecular weight of 5 million or more, a polyimide precursor, particles, and water.