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    • 7. 发明专利
    • Plastic magnet roll
    • 塑料磁铁滚筒
    • JPS61115305A
    • 1986-06-02
    • JP23730784
    • 1984-11-10
    • Yamauchi Rubber Ind Co Ltd
    • OKUMURA KUNIOTANAKA ATSUO
    • G03G15/09H01F7/02H01F41/02
    • H01F7/0268H01F41/0253
    • PURPOSE:To obtain a plastic magnet roll free from crazing and cracking by a method wherein a mixture of a fibrous material surface-treated with a silane coupling agent and of magnetic powder is molded monolithically with a metallic roll shaft. CONSTITUTION:The main body 3 of a roll is formed around a roll shaft 2 made of stainless steel. The main body 3 of the roll is prepared by using, as a binder, glass-reinforced nylon of 25wt% containing glass fibers of 30wt% treated with a silane coupling agent (i.e. the glass fibers of 7.5wt% treated with the silane coupling agent and the nylon of 17.5wt%), and contains barium ferrite of 75wt% treated with the silane coupling agent and having a particle size of 1.2mum.
    • 目的:通过其中用硅烷偶联剂和磁性粉末表面处理的纤维材料的混合物与金属辊轴一体成型的方法获得没有龟裂和破裂的塑料磁体辊。 构成:辊的主体3围绕由不锈钢制成的辊轴2形成。 辊的主体3通过使用含有30重量%的硅烷偶联剂处理的含量为30重量%的玻璃纤维(即,用硅烷偶联剂处理的7.5重量%的玻璃纤维)作为粘合剂的玻璃纤维增​​强尼龙 尼龙17.5重量%),含有75重量%的由硅烷偶联剂处理的粒径为1.2μm的钡铁氧体。