公开(公告)号：US20150099223A1

公开(公告)日：2015-04-09

申请号：US14504827

申请日：2014-10-02

Applicant: Konica Minolta, Inc.

Inventor： Tokyo OSHIBA ,  Ken OHMURA ,  Kaori MATSUSHIMA ,  Noboru UEDA ,  Ito KOGA ,  Noriyuki KIMPARA

IPC: G03G9/087 ,  C08G63/16

CPC classification number: G03G9/08755 ,  C08G63/16 ,  C08L67/02 ,  G03G9/08795 ,  G03G9/08797 ,  C08L9/02

Abstract: Provided is a toner for developing electrostatic images having excellent low temperature fixability and heat resistance storability.In order to achieve at least one of the aforementioned purposes, provided is a toner for developing electrostatic images containing a first resin which is a crystalline polyester resin consisting of a dicarboxylic acid unit and a dialcohol unit (weight average molecular weight is 5000 to 100000); a second resin (weight average molecular weight is 5000 to 60000) which is a polyester resin consisting of a crystalline segment (weight average molecular weight is 200 to 3000), which consists of a dicarboxylic acid unit and a dialcohol unit, and an amorphous segment, in which a specific carbon number relationship is present between each unit.

Abstract translation: 提供一种用于显影具有优异的低温定影性和耐热储存性的静电图像的调色剂。 为了实现上述目的中的至少一个目的，提供了一种用于显影静电图像的调色剂，其含有由二羧酸单元和二醇单元组成的结晶性聚酯树脂的第一树脂（重均分子量为5000〜100000） ; 作为由二羧酸单元和二元醇单元构成的结晶性链段（重均分子量为200〜3000）的聚酯树脂和重均分子量为5000〜60000的第二树脂（重均分子量为5000〜60000） ，其中在每个单元之间存在特定的碳数关系。