公开(公告)号：US08822116B2

公开(公告)日：2014-09-02

申请号：US13671697

申请日：2012-11-08

Applicant: Casio Electroncis Manufacturing Co., Ltd. ,  Casio Computer Co., Ltd.

Inventor： Hideyoshi Niinuma ,  Hideki Ikeda ,  Toshiaki Kanamura

IPC: G03G9/087 ,  G03G9/09

CPC classification number: G03G9/0802 ,  G03G9/08 ,  G03G9/081 ,  G03G9/0924 ,  G03G9/0926

Abstract: An erasable electrophotographic toner includes a binder resin, a near-infrared absorbing material, a decolorizing agent and an organic white pigment.

Abstract translation: 可擦除电子照相调色剂包括粘合剂树脂，近红外吸收材料，脱色剂和有机白色颜料。

公开(公告)号：US09785072B2

公开(公告)日：2017-10-10

申请号：US14664490

申请日：2015-03-20

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Kenji Kihira ,  Hideki Ikeda ,  Yuichiro Iegaki ,  Yuta Kan ,  Hideki Hasegawa

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/08755 ,  G03G9/081 ,  G03G9/08711 ,  G03G9/08748 ,  G03G9/08795 ,  G03G9/08797

Abstract: An electrophotographic toner which is excellent in grindability, fixing property and durability by being obtained via a step of melt-kneading a mixture containing an amorphous bioplastic having a weight-average molecular weight (Mw) of 55000 to 120000, a terpene phenol resin, and a styrene acrylic resin having a weight-average molecular weight (Mw) of 85500 to 118000 so as to obtain a kneaded mixture, and a step of grinding the kneaded mixture after hardening.

公开(公告)号：US09448499B2

公开(公告)日：2016-09-20

申请号：US14611867

申请日：2015-02-02

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Kenji Kihira ,  Hideki Ikeda ,  Yuichiro Iegaki ,  Yuta Kan

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/08 ,  G03G9/081 ,  G03G9/08748 ,  G03G9/08755 ,  G03G9/08795

Abstract: An electrophotographic toner having good grindability, and excellent fixability and durability, and a method of producing the same are provided. The electrophotographic toner includes an amorphous bioplastic having a weight average molecular weight (Mw) of 30,000 to 100,000, and at least one of a phenol resin and a terpene phenol resin as a grinding aid.

Abstract translation: 提供了具有良好的可磨性和优异的定影性和耐久性的电子照相调色剂及其制备方法。 电子照相调色剂包括重均分子量（Mw）为30,000至100,000的无定形生物塑料和作为研磨助剂的酚醛树脂和萜烯酚树脂中的至少一种。