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公开(公告)号：JP4360171B2
公开(公告)日：2009-11-11
申请号：JP2003345389
申请日：2003-10-03
申请人： コニカミノルタホールディングス株式会社
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing the toner capable of stably forming an image high in resolution without causing toner blister on a toner image. SOLUTION: The method for manufacturing the toner includes a process of subjecting a toner particle dispersion liquid containing toner particles formed in an aqueous medium or in an organic solvent to solid-liquid separation by using a filter. The filter used for the solid-liquid separation is regenerated by means of a high-pressure jet flow. COPYRIGHT: (C)2004,JPO&NCIPI
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公开(公告)号：JP4182704B2
公开(公告)日：2008-11-19
申请号：JP2002236483
申请日：2002-08-14
申请人： コニカミノルタホールディングス株式会社
摘要： PROBLEM TO BE SOLVED: To mechanically remove impurities remaining on the surfaces of toner particles formed as particles in an aqueous medium and to provide toner particles free of a variation in electrostatic chargeability even in an environment at high temperature and high humidity or during continuous image formation on more than hundreds of thousand of sheets and giving stable image quality free of fog and image unevenness. SOLUTION: The apparatus for manufacturing an electrostatic charge image developing toner has a screen having slits which pass a slurried toner dispersion liquid obtained by forming particles in an aqueous medium. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JP3915383B2
公开(公告)日：2007-05-16
申请号：JP2000234642
申请日：2000-08-02
申请人： コニカミノルタホールディングス株式会社
CPC分类号： G03G9/0821 , G03G9/08755 , G03G9/08782 , G03G9/08795 , G03G9/08797 , G03G9/093 , G03G9/09328 , G03G9/09335 , G03G9/09371 , G03G9/09378
摘要： A toner for developing an electrostatic latent image is disclosed. The toner comprises a resin, a colorant and a releasing agent or a crystalline polyester compound, and the toner has crushability index from 0.1 to 0.8. The toner is preferably produced by sat-out/fusion-adherence of a composite resin particle and a colorant particle, the composite resin particle comprises polyester compound in a portion of the composite resin particle other than outermost layer
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