公开(公告)号：WO2014168251A1

公开(公告)日：2014-10-16

申请号：PCT/JP2014/060559

申请日：2014-04-08

Applicant: CANON KABUSHIKI KAISHA

Inventor： IDA, Hayato ,  HIRASA, Takashi ,  TAMURA, Junichi ,  CHIMOTO, Yuya ,  SHIBATA, Takaho ,  YAMASHITA, Daisuke

IPC: C08G63/183 ,  G03G9/087

CPC classification number: C08G63/183 ,  C08G63/16 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

Abstract: The present invention provides a crystalline polyester resin which has sharp melt property, can achieve both fixing performance and blocking property and has excellent development durability, in which the crystalline polyester resin for toner which has a Young's modulus as measured by an ultramicro durometer at 25 °C of at least 2 GPa and a melting point of at least 60 °C and not more than 125 °C.

Abstract translation: 本发明提供一种结晶性聚酯树脂，其具有尖锐的熔融性能，可以实现定影性能和粘合性能，并且具有优异的显影耐久性，其中通过超微量硬度计在25°测量的具有杨氏模量的调色剂用结晶聚酯树脂 C至少为2GPa，熔点为至少60℃且不超过125℃。

公开(公告)号：WO2013051726A1

公开(公告)日：2013-04-11

申请号：PCT/JP2012/076061

申请日：2012-10-02

Applicant: CANON KABUSHIKI KAISHA

Inventor： IDA, Hayato ,  SHIBATA, Takaho ,  CHIMOTO, Yuya ,  HIRASA, Takashi ,  KATO, Masayoshi

IPC: C08J3/12 ,  B01J2/00 ,  B01J13/04 ,  G03G9/08

CPC classification number: G03G9/09392 ,  B01J13/02 ,  C08J3/126 ,  C08J2367/00 ,  C08J2467/00 ,  C09B67/0004 ,  G03G9/093 ,  G03G9/09328 ,  G03G9/09371

Abstract: The method for manufacturing core-shell structure fine particles, includes adding metal salt into an aqueous medium containing shell particles A and core particles B to thereby attach the shell particles A to the surface of each of the core particles B and the toner contains the core-shell structure fine particles. (1) The zeta potential of the core particles B and the zeta potential of the shell particles A are the same polarity. (2) |Zeta potential of the core particles B when adding metal salt| (Median diameter based on the volume of the shell particles A).

Abstract translation: 制造核 - 壳结构微粒的方法包括在含有壳粒子A和核粒子B的水性介质中添加金属盐，从而将壳粒子A附着于各粒子B的表面，调色剂含有核 壳结构细颗粒。 （1）核粒子B的ζ电位和壳粒子A的ζ电位是相同的极性。 （2）|添加金属盐时核心粒子B的ζ电位| <|添加金属盐时壳粒子A的ζ电位| （3）（基于核心颗粒B的体积的中值）>（基于壳粒子A的体积的中值直径）。

公开(公告)号：WO2016189851A1

公开(公告)日：2016-12-01

申请号：PCT/JP2016/002496

申请日：2016-05-23

Applicant: CANON KABUSHIKI KAISHA

Inventor： MIYAKAI, Tomoyo ,  TAMURA, Junichi ,  IDA, Hayato ,  SHIBATA, Takaho ,  OCHI, Kouichirou ,  CHIMOTO, Yuya ,  MURAYAMA, Ryuji ,  YAMASHITA, Daisuke ,  WATANABE, Akemi ,  HIRASA, Takashi

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/0806 ,  G03G9/0804 ,  G03G9/08704 ,  G03G9/08755 ,  G03G9/08797

Abstract: A method for producing a toner includes a step (1) of forming resin microparticles in an aqueous medium in the presence of a surfactant, a step (2) of aggregating the resin microparticles to form aggregated particles, and a step (3) of heating and the aggregated particles and allowing the aggregated particles to coalesce to form toner particles, in which a resin component in the resin microparticles contains an olefinic copolymer and resin A, the resin A has an acid value of 1 mgKOH/g or more and 50 mgKOH/g or less, the resin A has a SP value of 19.0 (J/cm 3 ) 0.5 or more and 21.0 (J/cm 3 ) 0.5 or less, and the resin component has an olefinic copolymer content of 50% by mass or more with respect to the total mass of the resin component.

Abstract translation: 调色剂的制造方法包括在表面活性剂的存在下在水性介质中形成树脂微粒的工序（1），将树脂微粒聚集形成凝集粒子的工序（2）和加热步骤（3） 和聚集的颗粒并使聚集的颗粒聚结形成调色剂颗粒，其中树脂微粒中的树脂组分含有烯属共聚物和树脂A，树脂A的酸值为1mgKOH / g以上至50mgKOH / g以下，树脂A的SP值为19.0（J / cm 3）以上且21.0（J / cm 3）以下为0.5以下，树脂成分的烯烃共聚物含量为50质量％以上， 相对于树脂成分的总质量。

公开(公告)号：WO2014168252A1

公开(公告)日：2014-10-16

申请号：PCT/JP2014/060560

申请日：2014-04-08

Applicant: CANON KABUSHIKI KAISHA

Inventor： IDA, Hayato ,  HIRASA, Takashi ,  TAMURA, Junichi ,  CHIMOTO, Yuya ,  SHIBATA, Takaho ,  YAMASHITA, Daisuke

IPC: C08G63/181 ,  G03G9/087

CPC classification number: G03G9/08755 ,  C08G63/00 ,  C08G63/181 ,  C08G63/189 ,  C08J3/12 ,  C08J2367/00 ,  C08J2367/02 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/08795 ,  G03G9/08797

Abstract: The present invention provides a crystalline polyester resin having a sharp melt property that realizes both fixing performance and blocking property and demonstrates favorable charging performance, in which the crystalline polyester resin for toner, satisfying the following relationships,25 ≤ Tg ≤ 70, and (Tg+273)/(Mp+273) ≥ 0.75, wherein Tg (°C) represents a glass transition temperature of the crystalline polyester resin for toner, and Mp (°C) represents a melting point of the crystalline polyester resin for toner.

Abstract translation: 本发明提供具有尖锐熔融性的结晶性聚酯树脂，其实现固定性能和粘合性能，并且表现出良好的充电性能，其中满足以下关系的调色剂用结晶性聚酯树脂25≤Tg≤70，（Tg + 273）/（Mp + 273）≥0.75，其中，Tg（℃）表示调色剂用结晶性聚酯树脂的玻璃化转变温度，Mp（℃）表示调色剂用结晶性聚酯树脂的熔点。