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    • 3. 发明授权
      US07862790B2 Carbide nanofibrils and method of making same 失效
    • Carbide nanofibrils and method of making same
    • 硬质合金纳米纤丝及其制造方法
    • US07862790B2
    • 2011-01-04
    • US11841493
    • 2007-08-20
    • David Moy , Chun-Ming Niu
    • David Moy , Chun-Ming Niu
    • D01F9/12 , B82B3/00
    • C04B35/62277 , B82Y30/00 , C01B32/90 , C01B32/956 , C04B35/62281 , C04B2235/3418 , C04B2235/428 , C04B2235/5264 , C04B2235/5288 , C04B2235/5296 , C04B2235/5481 , C04B2235/767 , C04B2235/81 , C04B2235/9661 , C30B25/005 , C30B29/36 , D01F9/08 , Y10S977/734
    • A plurality of carbide, such as silicon carbide, tungsten carbide, etc., nanofibrils predominantly having diameters substantially less than about 100 nm and a method for making such carbide nanofibrils. The method includes the steps of: heating a plurality of carbon nanotubes or nanofibrils predominantly having diameters less than about 50 nm in a reaction chamber in the presence of a gas of the form QnAm, where Q is a metal capable of forming a carbide, A is an element or radical and n and m are integers necessary to satisfy valences, such as, for example silicon monoxide, and an inert gas in a reaction vessel to a temperature substantially less than 1700 C but sufficently high to cause substantial reaction of the metal in the gas with the carbon of said carbon nanotubes or nanofibrils to form, in situ, solid carbide nanofibrils, the temperature being sufficiently low to prevent substantial fusing together of individidual ones of said carbide nanofibrils, removing at least a portion of A-based gas from said reaction chamber as said reaction progresses, and maintaining said temperature until substantially all the carbon of said nanotubes or nanofibrils has been converted into Q-based carbide.
    • 多个碳化物，例如碳化硅，碳化钨等，主要具有基本上小于约100nm的直径的纳米原纤维和制造这种碳化物纳米原纤维的方法。 该方法包括以下步骤：在QnAm形式的气体存在下，在反应室中加热主要具有小于约50nm的直径的多个碳纳米管或纳米原纤维，其中Q是能够形成碳化物的金属，A 是元素或基团，并且n和m是满足价态所必需的整数，例如一氧化硅和反应容器中的惰性气体至基本上低于1700℃的温度，但足够高以引起金属的显着反应 在具有碳纳米管或纳米原纤维的碳的气体中，原位形成整体碳纳米纤维，其温度足够低，以防止所述碳化物纳米原纤维的单独的大量熔融在一起，除去至少一部分基于A的气体 当所述反应进行时，从所述反应室中回收，并保持所述温度，直到所述纳米管或纳米原纤维的基本上全部的碳转化为基于Q 碳化物。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 6. 发明申请
      US20050036933A1 Carbide nanofibrils and method of making same 审中-公开
    • Carbide nanofibrils and method of making same
    • 硬质合金纳米纤丝及其制造方法
    • US20050036933A1
    • 2005-02-17
    • US10725225
    • 2003-12-01
    • David Moy , Chun-Ming Niu
    • David Moy , Chun-Ming Niu
    • C01B31/36 , C01B31/30 , C04B35/56 , C04B35/573 , C30B25/00 , D01F9/08 , D01F9/127 , D06M11/77
    • C04B35/62277 , B82Y30/00 , C01B32/90 , C01B32/956 , C04B35/62281 , C04B2235/3418 , C04B2235/428 , C04B2235/5264 , C04B2235/5288 , C04B2235/5296 , C04B2235/5481 , C04B2235/767 , C04B2235/81 , C04B2235/9661 , C30B25/005 , C30B29/36 , D01F9/08 , Y10S977/734
    • A plurality of carbide, such as silicon carbide, tungsten carbide, etc., nanofibrils predominantly having diameters substantially less than about 100 nm and a method for making such carbide nanofibrils. The method includes the steps of: heating a plurality of carbon nanotubes or nanofibrils predominantly having diameters less than about 50 nm in a reaction chamber in the presence of a gas of the form QnAm, where Q is a metal capable of forming a carbide, A is an element or radical and n and m are integers necessary to satisfy valences, such as, for example silicon monoxide, and an inert gas in a reaction vessel to a temperature substantially less than 1700 C but sufficently high to cause substantial reaction of the metal in the gas with the carbon of said carbon nanotubes or nanofibrils to form, in situ, solid carbide nanofibrils, the temperature being sufficiently low to prevent substantial fusing together of individidual ones of said carbide nanofibrils, removing at least a portion of A-based gas from said reaction chamber as said reaction progresses, and maintaining said temperature until substantially all the carbon of said nanotubes or nanofibrils has been converted into Q-based carbide.
    • 多个碳化物，例如碳化硅，碳化钨等，主要具有基本上小于约100nm的直径的纳米原纤维和制造这种碳化物纳米原纤维的方法。 该方法包括以下步骤：在QnAm形式的气体存在下，在反应室中加热主要具有小于约50nm的直径的多个碳纳米管或纳米原纤维，其中Q是能够形成碳化物的金属，A 是元素或基团，并且n和m是满足价态所必需的整数，例如一氧化硅和反应容器中的惰性气体至基本上低于1700℃的温度，但足够高以引起金属的显着反应 在具有碳纳米管或纳米原纤维的碳的气体中，原位形成整体碳纳米纤维，其温度足够低，以防止所述碳化物纳米原纤维的单独的大量熔融在一起，除去至少一部分基于A的气体 当所述反应进行时，从所述反应室中回收，并保持所述温度，直到所述纳米管或纳米原纤维的基本上全部的碳转化为基于Q 碳化物。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 8. 发明申请
      US20080175782A1 CARBIDE NANOFIBRILS AND METHOD OF MAKING SAME 失效
    • CARBIDE NANOFIBRILS AND METHOD OF MAKING SAME
    • 碳化硅纳米纤维及其制备方法
    • US20080175782A1
    • 2008-07-24
    • US11841493
    • 2007-08-20
    • David Moy , Chun-Ming Niu
    • David Moy , Chun-Ming Niu
    • C01B31/30 , C01B31/34 , C01B31/36
    • C04B35/62277 , B82Y30/00 , C01B32/90 , C01B32/956 , C04B35/62281 , C04B2235/3418 , C04B2235/428 , C04B2235/5264 , C04B2235/5288 , C04B2235/5296 , C04B2235/5481 , C04B2235/767 , C04B2235/81 , C04B2235/9661 , C30B25/005 , C30B29/36 , D01F9/08 , Y10S977/734
    • A plurality of carbide, such as silicon carbide, tungsten carbide, etc., nanofibrils predominantly having diameters substantially less than about 100 nm and a method for making such carbide nanofibrils. The method includes the steps of: heating a plurality of carbon nanotubes or nanofibrils predominantly having diameters less than about 50 nm in a reaction chamber in the presence of a gas of the form QnAm, where Q is a metal capable of forming a carbide, A is an element or radical and n and m are integers necessary to satisfy valences, such as, for example silicon monoxide, and an inert gas in a reaction vessel to a temperature substantially less than 1700 C but sufficently high to cause substantial reaction of the metal in the gas with the carbon of said carbon nanotubes or nanofibrils to form, in situ, solid carbide nanofibrils, the temperature being sufficiently low to prevent substantial fusing together of individidual ones of said carbide nanofibrils, removing at least a portion of A-based gas from said reaction chamber as said reaction progresses, and maintaining said temperature until substantially all the carbon of said nanotubes or nanofibrils has been converted into Q-based carbide.
    • 多个碳化物，例如碳化硅，碳化钨等，主要具有基本上小于约100nm的直径的纳米原纤维和制造这种碳化物纳米原纤维的方法。 该方法包括以下步骤：在反应室中，在存在下列形式的气体的情况下，加热主要具有小于约50nm直径的碳纳米管或纳米原纤维 其中Q是能够形成碳化物的金属，A是元素或基团，n和m是满足价态所必需的整数，例如一氧化硅，以及反应容器中的惰性气体， 温度基本上小于1700℃，但足够高，导致气体中的金属与所述碳纳米管或纳米原纤维的碳的实质反应，原位形成整体碳化物纳米原纤维，其温度足够低以防止大量熔融在一起 所述碳化物纳米原纤维的单独的，当所述反应进行时，从所述反应室中除去至少一部分A基气体，并保持所述温度，直到所述纳米管或纳米原纤维的基本上全部为碳 转为Q型碳化物。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 9. 发明授权
      US07393514B2 Carbide nanofibrils and method of making same 失效
    • Carbide nanofibrils and method of making same
    • 硬质合金纳米纤丝及其制造方法
    • US07393514B2
    • 2008-07-01
    • US11265804
    • 2005-11-02
    • David Moy , Chun-Ming Niu
    • David Moy , Chun-Ming Niu
    • C01B31/36
    • C04B35/62277 , B82Y30/00 , C01B32/90 , C01B32/956 , C04B35/62281 , C04B2235/3418 , C04B2235/428 , C04B2235/5264 , C04B2235/5288 , C04B2235/5296 , C04B2235/5481 , C04B2235/767 , C04B2235/81 , C04B2235/9661 , C30B25/005 , C30B29/36 , D01F9/08 , Y10S977/734
    • A plurality of carbide, such as silicon carbide, tungsten carbide, etc., nanofibrils predominantly having diameters substantially less than about 100 nm and a method for making such carbide nanofibrils. The method includes the steps of: heating a plurality of carbon nanotubes or nanofibrils predominantly having diameters less than about 50 nm in a reaction chamber in the presence of a gas of the form QnAm, where Q is a metal capable of forming a carbide, A is an element or radical and n and m are integers necessary to satisfy valences, such as, for example silicon monoxide, and an inert gas in a reaction vessel to a temperature substantially less than 1700 C but sufficently high to cause substantial reaction of the metal in the gas with the carbon of said carbon nanotubes or nanofibrils to form, in situ, solid carbide nanofibrils, the temperature being sufficiently low to prevent substantial fusing together of individidual ones of said carbide nanofibrils, removing at least a portion of A-based gas from said reaction chamber as said reaction progresses, and maintaining said temperature until substantially all the carbon of said nanotubes or nanofibrils has been converted into Q-based carbide.
    • 多个碳化物，例如碳化硅，碳化钨等，主要具有基本上小于约100nm的直径的纳米原纤维和制造这种碳化物纳米原纤维的方法。 该方法包括以下步骤：在反应室中，在存在下列形式的气体的情况下，加热主要具有小于约50nm直径的碳纳米管或纳米原纤维 其中Q是能够形成碳化物的金属，A是元素或基团，n和m是满足价态所必需的整数，例如一氧化硅，以及反应容器中的惰性气体， 温度基本上小于1700℃，但足够高，导致气体中的金属与所述碳纳米管或纳米原纤维的碳的实质反应，原位形成整体碳化物纳米原纤维，其温度足够低以防止大量熔融在一起 所述碳化物纳米原纤维的单独的，当所述反应进行时，从所述反应室中除去至少一部分A基气体，并保持所述温度，直到所述纳米管或纳米原纤维的基本上全部为碳 转为Q型碳化物。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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