发明名称 Toner for electrostatic image development
摘要 The present invention relates to a toner for electrostatic image development, obtainable by a process including the steps of (I) melt-kneading a raw material mixture comprising a resin binder, a releasing agent, and a colorant; cooling the melt-kneaded mixture; and pulverizing the cooled mixture; and (II) further pulverizing a pulverized product obtained in the step (I) in the presence of an external additive; and classifying the pulverized product, wherein the releasing agent in the step (I) contains a wax having a melting point of from 65° to 100° C., and wherein the external additive in the step (II) contains specified inorganic oxides. The toner of the present invention can be suitably used, for instance, for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
申请公布号 US7384721(B2) 申请公布日期 2008.06.10
申请号 US20050102745 申请日期 2005.04.11
申请人 KAO CORPORATION 发明人 EIDA AKIHIRO;SHIMIZU JUN
分类号 G03G9/08;G03G9/087;G03G9/097 主分类号 G03G9/08
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