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    • 3. 发明授权
    • Methods for purifying carbon materials
    • 碳材料净化方法
    • US07537682B2
    • 2009-05-26
    • US11081841
    • 2005-03-16
    • Anne DaillyChanning AhnRachid YazamiBrent T. Fultz
    • Anne DaillyChanning AhnRachid YazamiBrent T. Fultz
    • C01B31/02
    • D01F11/127B82Y30/00C01B32/05C01B32/215D06M11/83D06M2101/40
    • Methods of purifying samples are provided that are capable of removing carbonaceous and noncarbonaceous impurities from a sample containing a carbon material having a selected structure. Purification methods are provided for removing residual metal catalyst particles enclosed in multilayer carbonaceous impurities in samples generate by catalytic synthesis methods. Purification methods are provided wherein carbonaceous impurities in a sample are at least partially exfoliated, thereby facilitating subsequent removal of carbonaceous and noncarbonaceous impurities from the sample. Methods of purifying carbon nanotube-containing samples are provided wherein an intercalant is added to the sample and subsequently reacted with an exfoliation initiator to achieve exfoliation of carbonaceous impurities.
    • 提供了能够从含有选定结构的碳材料的样品中除去含碳杂质和非碳质杂质的样品的提纯方法。 提供了净化方法,用于除去通过催化合成方法产生的样品中包围在多层含碳杂质中的残余金属催化剂颗粒。 提供了纯化方法,其中样品中的碳质杂质至少部分地被剥离,从而有助于随后从样品中除去碳质和非碳质杂质。 提供了含有碳纳米管的样品的纯化方法,其中向样品中加入插入剂,随后与剥离引发剂反应以实现含碳杂质的剥离。