公开(公告)号：US20180284632A1

公开(公告)日：2018-10-04

申请号：US15796367

申请日：2017-10-27

Applicant: FUJI XEROX CO., LTD.

Inventor： Fumiaki MERA ,  Daisuke YOSHINO ,  Masahiro OKI ,  Yoshitake OGURA ,  Takako KOBAYASHI ,  Kazusei YOSHIDA ,  Manabu KAWASHIMA ,  Akira IMAI ,  Tetsuya TAGUCHI

IPC: G03G9/13 ,  G03G9/08 ,  G03G9/135 ,  G03G9/125 ,  G03G9/087 ,  G03G15/08 ,  G03G15/10

Abstract: A liquid developer includes toner particles and a carrier liquid, wherein the toner particles include, as a binder resin, an amorphous polyester resin and a crystalline saturated aliphatic polyester resin having a composition ratio (C/O ratio) of carbon atoms and oxygen atoms of 3.4 or less, and with respect to a toner obtained by vacuum drying the toner particles, a crystal melting peak at a first temperature rise in differential heating calorimetry is 60° C. or more.

公开(公告)号：US20160282739A1

公开(公告)日：2016-09-29

申请号：US14807525

申请日：2015-07-23

Applicant: FUJI XEROX CO., LTD.

Inventor： Kazusei YOSHIDA ,  Hirofumi SHIOZAKI ,  Shinpei TAKAGI

IPC: G03G9/00

CPC classification number: G03G9/09371 ,  G03G9/09328

Abstract: An electrostatic charge image developing toner includes a toner particle including a core which contains a styrene (meth)acrylic modified polyester resin and a colorant, and a shell layer which covers the core and contains a styrene (meth)acrylic modified polyester resin and a release agent.

Abstract translation: 静电荷图像显影调色剂包括具有包含苯乙烯（甲基）丙烯酸改性聚酯树脂和着色剂的芯的调色剂颗粒和覆盖芯并含有苯乙烯（甲基）丙烯酸改性聚酯树脂的壳层和释放 代理商

公开(公告)号：US20180275549A1

公开(公告)日：2018-09-27

申请号：US15830759

申请日：2017-12-04

Applicant: FUJI XEROX CO., LTD.

Inventor： Kazusei YOSHIDA ,  Daisuke YOSHINO ,  Masahiro OKI ,  Akira IMAI ,  Yoshitake OGURA ,  Takako KOBAYASHI ,  Koji HORIBA ,  Manabu KAWASHIMA ,  Fumiaki MERA ,  Tetsuya TAGUCHI

IPC: G03G9/13 ,  G03G9/12 ,  G03G9/125 ,  G03G9/135

CPC classification number: G03G9/132 ,  G03G9/122 ,  G03G9/125 ,  G03G9/1355

Abstract: A liquid developer includes toner particles containing, as a binder resin, at least a polyester resin containing a monomer unit, which includes a linear or branched chain saturated hydrocarbon chain having 2 to 5 carbon atoms between ester bonds, in a range of from 5 mol % to 25 mol % with respect to all monomer units included in the polyester resin, and a colorant; and a carrier liquid including an insulating liquid.

公开(公告)号：US20170082935A1

公开(公告)日：2017-03-23

申请号：US14980495

申请日：2015-12-28

Applicant: FUJI XEROX CO., LTD.

Inventor： Hirofumi SHIOZAKI ,  Naomi MIYAMOTO ,  Kazusei YOSHIDA

IPC: G03G9/00

CPC classification number: G03G9/08755 ,  G03G9/0821 ,  G03G9/08791 ,  G03G9/08795 ,  G03G15/08 ,  G03G15/0865

Abstract: There is provided an electrostatic charge image developing toner containing: a toner particle containing an amorphous resin having a polyester resin segment and a styrene acrylic resin segment, and a crystalline polyester resin dispersed in the amorphous resin, wherein a loss modulus G″ of the toner particles satisfies the following (1) and (2): (1) the loss modulus G″ at 40° C. is from 1.0×107 Pa to 1.0×108 Pa; and (2) the loss modulus G″ at the time when 60 minutes has passed from start of keeping the toner particles at 55° C. is from 1.0×108 Pa to 1.0×109 Pa.