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    • 2. 发明专利
    • Pencil lead and method for producing the same
    • 铅铅及其制造方法
    • JP2012172065A
    • 2012-09-10
    • JP2011035575
    • 2011-02-22
    • Morinobu EndoMitsubishi Pencil Co Ltd三菱鉛筆株式会社守信 遠藤
    • ENDO MORINOBUKITAZAWA KATSUNORISAKANISHI SATOSHISUDA YOSHIHISA
    • C09D13/00B43K19/02B43K19/18
    • PROBLEM TO BE SOLVED: To provide a pencil lead having high strength, giving a smooth feeling of writing, and allowing a dense clear black line to be drawn; and a method for producing the pencil lead.SOLUTION: In the pencil lead including graphite at least, a graphene nanoribbon touches the a-b plane of the graphite. The pencil lead is produced by: bringing the graphene nanoribbon which has 2-40 graphite layers, the width of 20-300 nm, the length of 20-30 μm, and zigzag ends, into contact with the scaly graphite which has the a-b plane with the flatness of 2 μm or less and the aspect ratio of 5 or higher between the a axis or the b axis and the c axis; fixing the graphene nanoribbon to the graphite to be compounded; forming a lead body using the compounded graphite; and impregnating the lead body with a liquid having a refractive index of 1.3-1.5 and viscosity at 25°C of 7-200 mm/s.
    • 要解决的问题:提供具有高强度的铅笔线,赋予平滑的书写感,并且可以抽出致密的清晰的黑线; 以及铅笔铅的制造方法。 解决方案:在至少包括石墨的铅笔铅笔中,石墨烯纳米棒与石墨的a-b平面接触。 铅笔铅是通过以下方式制造的:将具有2-40个石墨层,20-300nm的宽度,20-30μm的长度和锯齿形的石墨烯纳米棒与具有ab平面的鳞片状石墨接触 平面度为2μm以下,a轴或b轴与c轴之间的纵横比为5以上。 将石墨烯纳米棒固定在待复合的石墨上; 使用复合石墨形成引线体; 并用折射率为1.3-1.5的液体和在25℃下的粘度为7-200mm 2 / s的液体浸渍引线体。 版权所有(C)2012,JPO&INPIT