发明授权
- 专利标题: Encapsulated toner for heat-and-pressure fixing and method for production thereof
- 专利标题(中): 用于热和固定的封装调色剂及其制造方法
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申请号: US206392申请日: 1994-03-07
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公开(公告)号: US5536612A公开(公告)日: 1996-07-16
- 发明人: Takashi Yamaguchi , Mitsuhiro Sasaki , Tetsuya Asano , Kuniyasu Kawabe
- 申请人: Takashi Yamaguchi , Mitsuhiro Sasaki , Tetsuya Asano , Kuniyasu Kawabe
- 申请人地址: JPX Tokyo
- 专利权人: Kao Corporation
- 当前专利权人: Kao Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX5-077707 19930310
- 主分类号: G03G9/093
- IPC分类号: G03G9/093 ; G03G9/087
摘要:
A method for producing an encapsulated toner for heat-and-pressure fixing, which has a heat-fusible core material containing at least a thermoplastic resin and a coloring agent and a shell formed thereon so as to cover the surface of the core material, having the steps of coating the surface of the core material with a hydrophilic shell-forming material to form precursor particles; adding at least a vinyl polymerizable monomer and an initiator for vinyl polymerization to an aqueous suspension of the precursor particles to absorb them into the precursor particles; and then polymerizing the monomer components in the precursor particles. The method of the present invention offers toners which not only have improved storage stability but also are excellent in offset resistance, fixable at a low temperature and are further capable of forming clear images free from background.
公开/授权文献
- US5965099A Catalyst and a method for its production and use of same 公开/授权日:1999-10-12
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