发明申请
US20100291481A1 TONER, DEVELOPER, IMAGE FORMING METHOD, PROCESS CARTRIDGE AND DEVELOPER TO BE SUPPLIED
审中-公开
调色剂,开发商,图像形成方法,过程盒和开发商供应
- 专利标题: TONER, DEVELOPER, IMAGE FORMING METHOD, PROCESS CARTRIDGE AND DEVELOPER TO BE SUPPLIED
- 专利标题(中): 调色剂,开发商,图像形成方法,过程盒和开发商供应
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申请号: US12777673申请日: 2010-05-11
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公开(公告)号: US20100291481A1公开(公告)日: 2010-11-18
- 发明人: Saori YAMADA , Hisashi Nakajima , Shinya Nakayama , Yohichiroh Watanabe
- 申请人: Saori YAMADA , Hisashi Nakajima , Shinya Nakayama , Yohichiroh Watanabe
- 优先权: JP2009-119816 20090518; JP2009-181602 20090804
- 主分类号: G03G9/08
- IPC分类号: G03G9/08 ; G03G9/087 ; G03G9/09
摘要:
A toner including: a binder resin containing at least a polyester resin (A) and a polyester resin (B) as main components; a colorant; a release agent; and a graft polymer containing a polyolefin resin and a vinyl resin, wherein the polyester resin (A) is a condensation product resulting from condensation polymerization between an alcohol component containing a dihydric alcohol compound, and a carboxylic acid component containing a rosin compound, and the rosin compound occupies 5% by mass or more of the total amount of the alcohol component and the carboxylic acid component, and wherein the polyester resin (B) is a condensation product resulting from condensation polymerization between an alcohol component containing a dihydric alcohol compound which includes at least an alkylene oxide adduct of a bisphenol compound represented by General Formula (1) below, and a carboxylic acid component:
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