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    • 31. 发明授权
    • Enhancing thermal conductivity of fluids with graphite nanoparticles and carbon nanotube
    • 用石墨纳米颗粒和碳纳米管提高流体的导热性
    • US07348298B2
    • 2008-03-25
    • US10730762
    • 2003-12-08
    • Zhiqiang ZhangFrances E. Lockwood
    • Zhiqiang ZhangFrances E. Lockwood
    • C10M169/04C10M125/02
    • B82Y30/00C10M125/02C10M141/06C10M169/04C10M2201/041C10M2205/0285C10M2215/28C10N2220/082C10N2220/086C10N2270/00Y10S977/742Y10S977/745
    • A fluid media such as oil or water, and a selected effective amount of carbon nanomaterials necessary to enhance the thermal conductivity of the fluid. One of the preferred carbon nanomaterials is a high thermal conductivity graphite, exceeding that of the neat fluid to be dispersed therein in thermal conductivity, and ground, milled, or naturally prepared with mean particle size less than 500 nm, and preferably less than 200 nm, and most preferably less than 100 nm. The graphite is dispersed in the fluid by one or more of various methods, including ultrasonication, milling, and chemical dispersion. Carbon nanotubes with graphitic structure is another preferred source of carbon nanomaterial, although other carbon nanomaterials are acceptable. To confer long term stability, the use of one or more chemical dispersants is preferred. The thermal conductivity enhancement, compared to the fluid without carbon nanomaterial, is proportional to the amount of carbon nanomaterials (carbon nanotubes and/or graphite) added.
    • 液体介质如油或水,以及选择有效量的碳纳米材料,以提高流体的导热性。 优选的碳纳米材料之一是高导热性石墨,超过要在其中分散在其中的纯净流体的导热性,并且研磨,研磨或天然制备的平均粒度小于500nm,优选小于200nm ,最优选小于100nm。 石墨通过一种或多种各种方法分散在流体中,包括超声波处理,研磨和化学分散。 具有石墨结构的碳纳米管是碳纳米材料的另一优选来源,尽管其它碳纳米材料是可接受的。 为了赋予长期稳定性,优选使用一种或多种化学分散剂。 与没有碳纳米材料的流体相比,热导率增强与添加的碳纳米材料(碳纳米管和/或石墨)的量成比例。
    • 39. 发明申请
    • NANOPARTICLE MACRO-COMPOSITIONS
    • 纳米颗粒组合物
    • US20160312146A1
    • 2016-10-27
    • US15148367
    • 2016-05-06
    • NanoMech, Inc.
    • Ajay P. Malshe
    • C10M171/06
    • C10M171/06C10M129/74C10M141/00C10M2201/066C10M2223/045C10N2210/01C10N2220/082C10N2220/084C10N2220/086C10N2230/56C10N2240/04C10N2250/10C10N2270/00C10N2210/02
    • Embodiments of the present invention may include a macro-composition with a special structure. The structure includes a layered macro-composition made of a nanoparticle as an inner nucleus, an intermediate layer around the nucleus, and an outer layer intercalated with the nucleus or encapsulating the nucleus and the intermediate layer. A plurality of the layered macro-compositions is bonded together by bonds, so that each layered macro-composition is bonded to at least one other such layered macro-composition. Embodiments include a macro-composition made of three 3-layered macro-compositions joined in a chain by two bonds. These macro-composition assemblies may take the shape of layered macro-compositions bonded together in chains, or forming other shapes, such as rings. The layered macro-composition may be no more than about 100 nanometers in size, for example. The bonds of the complex macro-composition may have an average length of no more than about 100 nanometers, for example. Embodiments may be added to lubricants such as oil or grease, to increase their performance.
    • 本发明的实施例可以包括具有特殊结构的宏观组合。 该结构包括由作为内核的纳米粒子,核周围的中间层和插入核的外层或封装细胞核和中间层的层状大分子组合物。 多个层叠的大分子组合物通过键结合在一起,使得每个分层的宏观组合物与至少一个这样的层状宏观组合物结合。 实施方案包括由通过两个键连接在链中的三个三层大分子组合物制成的大量组合物。 这些宏观组合物组合物可以呈链状结合在一起的层状宏观组合物的形状,或形成其它形状,例如环。 例如,层状宏观组合物的尺寸可以不超过约100纳米。 复合宏观组合物的键可以具有例如不大于约100纳米的平均长度。 实施例可以添加到润滑剂如油或油脂中,以增加它们的性能。