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1. 发明授权

US06610767B1 Antistatic inorganic filler, resin composition containing the filler and method for preparing the inorganic filler 失效
标题翻译：抗静电无机填料，含有填料的树脂组合物和无机填料的制备方法
公开(公告)号：US06610767B1
公开(公告)日：2003-08-26
申请号：US09327514
申请日：1999-06-08
申请人： Seiji Katayama , Yumiko Takase , Ryoji Itoh , Toshiaki Matsushige , Koji Mita
发明人： Seiji Katayama , Yumiko Takase , Ryoji Itoh , Toshiaki Matsushige , Koji Mita
IPC分类号： C08K542
CPC分类号： C08K5/42 , C08K9/04
摘要： An antistatic inorganic filler comprises an inorganic filler, an organic dispersant applied onto the surface of the inorganic filler and an organic antistatic agent applied onto the organic dispersant layer. The inorganic filler may be prepared by a method comprising the steps of wet-grinding an inorganic filler in the presence of an organic dispersant, drying the ground inorganic filler and then mixing it with an organic antistatic agent; or a method comprising the steps of wet-grinding an inorganic filler in the presence of an organic dispersant, adding an organic antistatic agent to the resulting slurry of the ground filler and then drying the mixture. The inorganic filler shows an effect of imparting long-lasting antistatic properties to plastic and rubber materials in addition to the effects as the filler such as excellent rigidity, heat resistance and impact resistance.
摘要翻译：抗静电无机填料包括无机填料，施加到无机填料表面上的有机分散剂和施加到有机分散剂层上的有机抗静电剂。无机填料可以通过包括以下步骤的方法制备：在有机分散剂存在下湿磨研磨无机填料，干燥研磨的无机填料，然后将其与有机抗静电剂混合; 或包括以下步骤的方法：在有机分散剂存在下湿法研磨无机填料，向得到的研磨填料浆中加入有机抗静电剂，然后干燥该混合物。无机填料除了具有优异的刚性，耐热性和耐冲击性等填料的效果之外，还具有赋予塑料和橡胶材料长久抗静电性能的效果。

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