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    • 2. 发明授权
    • Method of carbon nanotube separation, dispersion liquid and carbon nanotube obtained by the separation method
    • 通过分离方法得到的碳纳米管分离方法,分散液和碳纳米管
    • US07884300B2
    • 2011-02-08
    • US11659157
    • 2005-07-29
    • Takeshi AkasakaTakatsugu WakaharaYutaka Maeda
    • Takeshi AkasakaTakatsugu WakaharaYutaka Maeda
    • D01F9/12
    • B82Y30/00Y10S977/751Y10S977/842Y10S977/882Y10S977/895
    • A method of realizing selective separation of metallic single-walled carbon nanotubes and semiconducting carbon nanotubes from bundled carbon nanotubes; and obtaining of metallic single-walled carbon nanotubes separated at high purity through the above method. Metallic single-walled carbon nanotubes are dispersed one by one from bundled carbon nanotubes not only by the use of a difference in interaction with amine between metallic single-walled carbon nanotubes and semiconducting carbon nanotubes due to a difference in electrical properties between metallic single-walled carbon nanotubes and semiconducting carbon nanotubes but also by the use of the fact that an amine is an important factor in SWNTs separation. The thus dispersed carbon nanotubes are subjected to centrifugation, thereby attaining separation from non-dispersed semiconducting carbon nanotubes.
    • 实现金属单壁碳纳米管和半导体碳纳米管从束状碳纳米管的选择性分离的方法; 并通过上述方法获得以高纯度分离的金属单壁碳纳米管。 金属单壁碳纳米管不仅通过在金属单壁碳纳米管和半导体碳纳米管之间与胺的相互作用的差异,从捆扎的碳纳米管逐一分散,这是由于金属单壁碳纳米管之间的电性能差异 碳纳米管和半导体碳纳米管,而且还通过使用胺是SWNT分离中的重要因素的事实。 将这样分散的碳纳米管进行离心,从而获得与非分散的半导体碳纳米管的分离。
    • 3. 发明申请
    • Transparent Electroconductive Thin Film and Its Production Method
    • 透明导电薄膜及其制备方法
    • US20100221172A1
    • 2010-09-02
    • US12452579
    • 2008-07-10
    • Yutaka MaedaTakeshi Akasaka
    • Yutaka MaedaTakeshi Akasaka
    • C01B31/30B05D5/12
    • H01B1/24
    • Provided are a transparent electroconductive thin film of single-walled carbon nanotubes and its production method capable of further enhancing the electroconductivity and the light transmittance of the film and capable of simplifying the thin film formation process. The method comprises: dispersing single-walled carbon nanotubes of mixed metallic single-walled carbon nanotubes (m-SWNTs) and semiconductor single-walled carbon nanotubes (s-SWNTs) in an amine solution containing an amine having a boiling point of from 20 to 400° C. as a dispersant; centrifuging or filtering the resulting dispersion to concentrate m-SWNTs, thereby giving a dispersion rich in m-SWNTs; and applying the resulting dispersion rich in m-SWNTs onto a substrate to form a thin film thereon.
    • 提供了一种单壁碳纳米管的透明导电薄膜及其制造方法,其能够进一步提高薄膜的导电性和透光率,并且能够简化薄膜形成工艺。 该方法包括:将混合金属单壁碳纳米管(m-SWNT)和半导体单壁碳纳米管(s-SWNT)的单壁碳纳米管分散在含有沸点为20的胺的胺溶液中, 400℃作为分散剂; 离心或过滤所得分散体以浓缩m-SWNT,从而得到富含m-SWNT的分散体; 并将富含m-SWNT的所得分散体施加到基底上以在其上形成薄膜。
    • 4. 发明授权
    • Transparent electroconductive thin film and its production method
    • 透明导电薄膜及其制备方法
    • US08425873B2
    • 2013-04-23
    • US12452579
    • 2008-07-10
    • Yutaka MaedaTakeshi Akasaka
    • Yutaka MaedaTakeshi Akasaka
    • D01F9/12B05D5/12
    • H01B1/24
    • Provided are a transparent electroconductive thin film of single-walled carbon nanotubes and its production method capable of further enhancing the electroconductivity and the light transmittance of the film and capable of simplifying the thin film formation process. The method comprises: dispersing single-walled carbon nanotubes of mixed metallic single-walled carbon nanotubes (m-SWNTs) and semiconductor single-walled carbon nanotubes (s-SWNTs) in an amine solution containing an amine having a boiling point of from 20 to 400° C. as a dispersant; centrifuging or filtering the resulting dispersion to concentrate m-SWNTs, thereby giving a dispersion rich in m-SWNTs; and applying the resulting dispersion rich in m-SWNTs onto a substrate to form a thin film thereon.
    • 提供了一种单壁碳纳米管的透明导电薄膜及其制造方法,其能够进一步提高薄膜的导电性和透光率,并且能够简化薄膜形成工艺。 该方法包括:将混合金属单壁碳纳米管(m-SWNT)和半导体单壁碳纳米管(s-SWNT)的单壁碳纳米管分散在含有沸点为20的胺的胺溶液中, 400℃作为分散剂; 离心或过滤所得分散体以浓缩m-SWNT,从而得到富含m-SWNT的分散体; 并将富含m-SWNT的所得分散体施加到基底上以在其上形成薄膜。
    • 6. 发明授权
    • Method for producing selectively functionalized carbon nanotubes
    • 制备选择性官能化碳纳米管的方法
    • US08940937B2
    • 2015-01-27
    • US13577011
    • 2011-01-28
    • Yutaka MaedaTakeshi Akasaka
    • Yutaka MaedaTakeshi Akasaka
    • C01B31/26C01B31/02B82Y30/00B82Y40/00
    • C01B31/0266B82Y30/00B82Y40/00C01B31/0273C01B32/172C01B32/174Y10S977/742Y10S977/745
    • Disclosed is a novel method for the selective molecular conversion of raw material carbon nanotubes containing a mixture of metallic carbon nanotubes and semiconductive carbon nanotubes in a manner that is based on the electrical properties or diameter of the carbon nanotubes.The present invention causes a photoreaction of raw material carbon nanotubes containing a mixture of metallic carbon nanotubes and semiconductive carbon nanotubes with a disulfide or a sulfide of the following formula (I) or (II) (wherein R1 and R2 each independently represent a hydrocarbon group that may have a substituent) in an organic solvent that contains the raw material carbon nanotubes and the disulfide of the formula (I) or the sulfide of the formula (II), so as to selectively functionalize the metallic carbon nanotubes, or functionalize the carbon nanotubes diameter selectively.
    • 公开了以基于碳纳米管的电性能或直径的方式选择性分子转化含有金属碳纳米管和半导体碳纳米管的混合物的原料碳纳米管的新方法。 本发明使含有金属碳纳米管和半导体碳纳米管的混合物的原料碳纳米管与下式(I)或(II)的二硫化物或硫化物进行光反应(其中R1和R2各自独立地表示烃基 其可以具有取代基)在含有原料碳纳米管和式(I)的二硫化物或式(II)的硫化物的有机溶剂中),以便选择性地官能化金属碳纳米管,或官能化碳 纳米管直径有选择性。
    • 7. 发明授权
    • Process for producing functionalized carbon nanotubes
    • 制备官能化碳纳米管的方法
    • US08497392B2
    • 2013-07-30
    • US13255347
    • 2010-03-11
    • Yutaka MaedaTakeshi Akasaka
    • Yutaka MaedaTakeshi Akasaka
    • C07F7/08
    • B82Y40/00B82Y30/00C01B32/174
    • A process for producing functionalized carbon nanotubes, which can organically modify carbon nanotubes with high efficiency, and in particular, can introduce different organic groups into carbon nanotubes with high efficiency through a series of chemical reactions, is provided.Carbon nanotubes are allowed to react with at least one reagent selected from a silyl-substituted organometallic compound and an organometallic compound to obtain a functionalized carbon nanotube reductant, and this functionalized carbon nanotube reductant is then allowed to react with at least one reagent selected from a silyl halide compound and an organohalogen compound to obtain functionalized carbon nanotubes.
    • 提供了可以高效率地有机地改性碳纳米管的功能化碳纳米管的制造方法,特别是能够通过一系列化学反应将不同的有机基团以高效率引入到碳纳米管中。 使碳纳米管与至少一种选自甲硅烷基取代的有机金属化合物和有机金属化合物的试剂反应以获得官能化的碳纳米管还原剂,然后使该官能化的碳纳米管还原剂与至少一种选自以下的试剂反应: 甲硅烷基卤化合物和有机卤素化合物,以获得官能化的碳纳米管。
    • 8. 发明申请
    • PROCESS FOR PRODUCING FUNCTIONALIZED CARBON NANOTUBES
    • 生产功能性碳纳米管的方法
    • US20120053358A1
    • 2012-03-01
    • US13255347
    • 2010-03-11
    • Yutaka MaedaTakeshi Akasaka
    • Yutaka MaedaTakeshi Akasaka
    • C07F7/08B82Y40/00B82Y30/00
    • B82Y40/00B82Y30/00C01B32/174
    • A process for producing functionalized carbon nanotubes, which can organically modify carbon nanotubes with high efficiency, and in particular, can introduce different organic groups into carbon nanotubes with high efficiency through a series of chemical reactions, is provided.Carbon nanotubes are allowed to react with at least one reagent selected from a silyl-substituted organometallic compound and an organometallic compound to obtain a functionalized carbon nanotube reductant, and this functionalized carbon nanotube reductant is then allowed to react with at least one reagent selected from a silyl halide compound and an organohalogen compound to obtain functionalized carbon nanotubes.
    • 提供了可以高效率地有机地改性碳纳米管的功能化碳纳米管的制造方法,特别是能够通过一系列化学反应将不同的有机基团以高效率引入到碳纳米管中。 使碳纳米管与至少一种选自甲硅烷基取代的有机金属化合物和有机金属化合物的试剂反应以获得官能化的碳纳米管还原剂,然后使该官能化的碳纳米管还原剂与至少一种选自以下的试剂反应: 甲硅烷基卤化合物和有机卤素化合物,以获得官能化的碳纳米管。