公开(公告)号：US09128399B2

公开(公告)日：2015-09-08

申请号：US13827967

申请日：2013-03-14

Applicant: KAO CORPORATION

Inventor： Norihiro Fukuri ,  Osamu Yamashita ,  Hiroki Kubo ,  Shoichi Murata ,  Takahiro Yoshikawa

IPC: G03G9/093 ,  G03G9/087

CPC classification number: G03G9/08755 ,  G03G9/09328 ,  G03G9/09371 ,  G03G9/09392

Abstract: The present invention relates to a toner for electrophotography including core-shell particles as a resin binder each including a core portion containing an amorphous resin (A) having a softening point of 105° C. or lower which is obtained by polycondensing a carboxylic acid component containing an alkenyl succinic acid with an alcohol component; and a shell portion containing an amorphous resin (B) obtained by polycondensing an alcohol component containing an aliphatic diol having 2 to 6 carbon atoms with a carboxylic acid component containing a trivalent or higher-valent polycarboxylic acid compound in an amount of 20 mol % or less. The toner for electrophotography according to the present invention is excellent in heat resistant storage property, low-temperature fusing property and durability.

Abstract translation: 本发明涉及一种电子照相用调色剂，其包括作为树脂粘合剂的核 - 壳颗粒，每个核 - 壳颗粒包含含有软化点为105℃或更低的无定形树脂（A）的核心部分，其通过使羧酸组分 含有烯醇琥珀酸与醇组分; 和含有通过将含有2〜6个碳原子的脂肪族二醇的醇成分与含有20摩尔％以上的3价以上的多元羧酸化合物的羧酸成分缩聚得到的无定形树脂（B）的壳部，或 减。 本发明的电子照相用调色剂具有优异的耐热储存性，低温熔融性和耐久性。

公开(公告)号：US20130273470A1

公开(公告)日：2013-10-17

申请号：US13827967

申请日：2013-03-14

Applicant: KAO CORPORATION

Inventor： Norihiro Fukuri ,  Osamu Yamashita ,  Hiroki Kubo ,  Shoichi Murata ,  Takahiro Yoshikawa

IPC: G03G9/087

CPC classification number: G03G9/08755 ,  G03G9/09328 ,  G03G9/09371 ,  G03G9/09392

Abstract: The present invention relates to a toner for electrophotography including core-shell particles as a resin binder each including a core portion containing an amorphous resin (A) having a softening point of 105° C. or lower which is obtained by polycondensing a carboxylic acid component containing an alkenyl succinic acid with an alcohol component; and a shell portion containing an amorphous resin (B) obtained by polycondensing an alcohol component containing an aliphatic diol having 2 to 6 carbon atoms with a carboxylic acid component containing a trivalent or higher-valent polycarboxylic acid compound in an amount of 20 mol % or less. The toner for electrophotography according to the present invention is excellent in heat resistant storage property, low-temperature fusing property and durability.

Abstract translation: 本发明涉及一种电子照相用调色剂，其包括作为树脂粘合剂的核 - 壳颗粒，每个核 - 壳颗粒包含含有软化点为105℃或更低的无定形树脂（A）的核心部分，其通过使羧酸组分 含有烯醇琥珀酸与醇组分; 和含有通过将含有2〜6个碳原子的脂肪族二醇的醇成分与含有20摩尔％以上的3价以上的多元羧酸化合物的羧酸成分缩聚得到的无定形树脂（B）的壳部，或 减。 本发明的电子照相用调色剂具有优异的耐热储存性，低温熔融性和耐久性。