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首页> 外文期刊>Polymer: The International Journal for the Science and Technology of Polymers >Roles of silica-coated layer on graphite for thermal conductivity, heat dissipation, thermal stability, and electrical resistivity of polymer composites
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Roles of silica-coated layer on graphite for thermal conductivity, heat dissipation, thermal stability, and electrical resistivity of polymer composites

机译:二氧化硅涂层在石墨中的粘性,散热,散热,热稳定性和电阻率和聚合物复合材料的电阻率

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摘要

Amphiphile-assisted silica@graphite with a surface resistivity of 1012??·sq?1was prepared via a one-step process using either an Ostwald ripening agent (Triton-X) or a bridgemer (PEG) under mild conditions. The composites containing coated fillers showed advantages in terms of their thermal and electrical properties over those using mixture of fillers. The filler possessing optimal size of graphite was incorporated with various polymer matrices such as TPEE, PDMS, epoxy, or HDPE, all of which have different processing characteristics due to their inherent viscosities. Consequently, the silica@graphite incorporated composites were found to have a superior effect on thermal and electrical properties including conductivity, dissipation, stability, and resistivity than boron nitride or alumina filled composites with the conservation of the electrical insulating property above 1010??·sq?1for a filler loading of 0–30?vol%.
机译:两亲辅助的二氧化硅@石墨,具有1012Ω··SQ·1°的表面电阻率,通过在温和条件下使用Ostwald成熟剂(Triton-X)或Bridgemer(PEG)进行一步法制备。 含有涂覆填料的复合材料在使用填料混合物的那些中,它们在其热和电性能方面显示了优点。 具有最佳尺寸的石墨尺寸的填料与各种聚合物基质(如TPEE,PDMS,环氧树脂或HDPE)掺入,所有聚合物基质都具有由于其固有粘度而具有不同的加工特性。 因此,发现二氧化硅@石墨掺入的复合材料具有优异的热和电性能,包括比氮化硼或氧化铝填充复合材料的电导率,耗散,稳定性和电阻率,以及储存在1010以上的电绝缘性·Sq ?1填料加载0-30克拉%。

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