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    • 61. 发明授权
    • Production of carbon foam from coals
    • 从煤炭生产碳泡沫
    • US07767183B2
    • 2010-08-03
    • US11561521
    • 2006-11-20
    • Thomas M. Matviya
    • Thomas M. Matviya
    • C01B31/00C01B31/02C01B31/04C09C1/56C10L5/00
    • C04B35/52C04B38/064C04B2201/20C04B2235/422C04B2235/77C04B2235/96C04B38/00C04B38/0058
    • Methods for the production of carbon foam from swelling coals that do not require the use of high process pressures, oxidized coal, devolatized coal, or high-strength, foam expansion confining molds are described. In some embodiments, a comminuted swelling bituminous coal is heated to a first elevated temperature sufficient to result in the coal particles softening and melting together to form a substantially homogeneous open cell plastic carbon material. The substantially homogeneous open cell plastic carbon material may then be heated to a second elevated temperature at a slow rate to form carbon foam. In some embodiments, the resulting carbon foam may be heated to a higher third elevated temperature. The resulting carbon foam may be subsequently heated to elevated temperatures as great as 3200° C. or more.
    • 描述了不需要使用高过程压力的膨胀煤生产碳泡沫的方法,氧化煤,脱挥发泡煤或高强度泡沫膨胀限制模具。 在一些实施方案中,粉碎的膨胀的烟煤被加热至足以导致煤颗粒一起软化和熔化以形成基本均匀的开孔塑料碳材料的第一升高温度。 然后将基本均匀的开孔塑料碳材料以缓慢的速率加热至第二升高温度以形成碳泡沫。 在一些实施方案中,所得碳泡沫可以被加热到更高的第三升高温度。 随后可将所得碳泡沫加热至高达3200℃或更高的高温。
    • 67. 发明授权
    • Method and an installation for subjecting carbon fabrics to high temperature heat treatment and to densification by chemical vapor infiltration
    • 碳纤维织物进行高温热处理和通过化学气相渗透致密化的方法和装置
    • US07052643B2
    • 2006-05-30
    • US10255556
    • 2002-09-26
    • Eric Sion
    • Eric Sion
    • B29B17/00B29C7/00D01C9/12C01B3/02C09C1/56
    • C04B35/83C04B2235/614
    • Heat treatment is performed on preforms placed in an enclosure accompanied by sweeping with an inert gas under reduced pressure, and with a gaseous effluent being exhausted continuously via a first effluent outlet connected to an effluent exhaust circuit. At the end of the heat treatment, the first gaseous effluent outlet is closed so as to isolate the effluent exhaust circuit from the enclosure, sweeping of the enclosure with the inert gas is interrupted, and the heat-treated preforms are left in the enclosure and are subjected to densification by admitting a reagent gas into the enclosure via at least one reagent gas admission duct opening out into the enclosure, with gaseous effluent being exhausted via a second effluent outlet separate from the first, said second outlet being closed during the heat treatment step. Advantageously, metal, in particular sodium, contained in the gaseous effluent exhausted from the enclosure during the heat treatment step is neutralized.
    • 在放置在外壳中的预成型件上进行热处理,伴随着在减压下用惰性气体吹扫,并且气态流出物经由连接到流出物排出回路的第一流出物出口连续排出。 在热处理结束时,关闭第一气态流出物出口以便将流出物排出回路与外壳隔离开,中断具有惰性气体的外壳的清扫,并将热处理的预制件留在外壳中, 通过将至少一个试剂气体入口管道通入外壳中而将反应气体接纳到外壳中,通过经由第二流出物排出的气态流出物在第一,第二出口在热处理期间被关闭而被排出,使其致密化 步。 有利地,中和了在热处理步骤期间从外壳排出的气态流出物中所含的金属,特别是钠。
    • 70. 发明申请
    • Carbon nanotubes derivatized with diazonium species
    • 用重氮化物衍生的碳纳米管
    • US20050207963A1
    • 2005-09-22
    • US10632419
    • 2003-08-01
    • James TourJeffrey BahrJiping Yang
    • James TourJeffrey BahrJiping Yang
    • C01B31/02C07C245/20C07C321/26C07C321/28C08K9/04C09C1/56D01F9/12
    • B82Y30/00B82Y40/00C01B32/174C01B2202/02C01B2202/06C01B2202/36C01P2002/72C01P2002/82C01P2002/84C01P2002/88C01P2004/04C01P2004/13C07C245/20C07C321/26C07C321/28C08K9/04C09C1/48C09C1/56C09C1/565H01G11/36Y02E60/13Y10S977/788Y10S977/847Y10T428/13Y10T428/30
    • The invention incorporates new processes for the chemical modification of carbon nanotubes. Such processes involve the derivatization of multi- and single-wall carbon nanotubes, including small diameter (ca. 0.7 nm) single-wall carbon nanotubes, with diazonium species. The method allows the chemical attachment of a variety of organic compounds to the side and ends of carbon nanotubes. These chemically modified nanotubes have applications in polymer composite materials, molecular electronic applications, and sensor devices. The methods of derivatization include electrochemical induced reactions, thermally induced reactions (via in-situ generation of diazonium compounds or pre-formed diazonium compounds), and photochemically induced reactions. The derivatization causes significant changes in the spectroscopic properties of the nanotubes. The estimated degree of functionality is ca. 1 out of every 20 to 30 carbons in a nanotube bearing a functionality moiety. Such electrochemical reduction processes can be adapted to apply site-selective chemical functionalization of nanotubes. Moreover, when modified with suitable chemical groups, the derivatized nanotubes are chemically compatible with a polymer matrix, allowing transfer of the properties of the nanotubes (such as, mechanical strength or electrical conductivity) to the properties of the composite material as a whole. Furthermore, when modified with suitable chemical groups, the groups can be polymerized to form a polymer that includes carbon nanotubes.
    • 本发明包括用于碳纳米管的化学改性的新方法。 这种方法涉及多壁碳纳米管和单壁碳纳米管的衍生,包括小直径(约0.7nm)的单壁碳纳米管与重氮物质。 该方法允许将各种有机化合物化学连接到碳纳米管的侧面和末端。 这些化学改性的纳米管可用于聚合物复合材料,分子电子应用和传感器装置。 衍生化的方法包括电化学诱导反应,热诱导反应(通过原位产生重氮化合物或预形成的重氮化合物)和光化学诱导反应。 衍生化导致纳米管的光谱性质的显着变化。 估计功能的程度约为 在具有功能部分的纳米管中每20至30个碳中有1个。 这种电化学还原方法可适用于纳米管的位点选择性化学官能化。 此外,当用合适的化学基团改性时,衍生的纳米管与聚合物基质化学相容,允许将纳米管的性质(例如机械强度或电导率)转移到复合材料的整体性能上。 此外,当用合适的化学基团改性时,基团可以聚合形成包括碳纳米管的聚合物。