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    • 8. 发明授权
    • Method of making a carbon foam material and resultant product
    • 制造碳泡沫材料和所得产品的方法
    • US06346226B1
    • 2002-02-12
    • US09669012
    • 2000-09-25
    • Alfred H. StillerPeter G. StansberryJohn W. Zondlo
    • Alfred H. StillerPeter G. StansberryJohn W. Zondlo
    • C01B3104
    • C04B35/522C01B32/00C01B32/05C01B32/20C04B35/521C04B38/0022C10G1/006C10G69/06Y10T428/249967C04B35/52C04B38/0058
    • A method of making anisotropic carbon foam material includes de-ashing and hydrogenating bituminous coal, separating asphaltenes from oils contained in the coke precursor, coking the material to create a carbon foam. In one embodiment of the invention, the carbon foam is subsequently graphitized. The pores within the foam material are preferably generally of equal size. The pore size and carbon foam material density may be controlled by (a) altering the percentage volatiles contained within the asphaltenes to be coked, (b) mixing the asphaltenes with different coking precursors which are isotropic in nature, or (c) modifying the pressure under which coking is effected. In another embodiment of the invention, solvent separation is employed on raw bituminous coal and an isotropic carbon foam is provided. A related carbon foam product is disclosed. The carbon foam materials of the present invention are characterized by having high compressive strength as compared with prior known carbon foam materials.
    • 制造各向异性碳泡沫材料的方法包括脱沥青和氢化烟煤,将沥青质与包含在焦炭前体中的油分离,将该材料焦化以产生碳泡沫。 在本发明的一个实施方案中,碳泡沫随后被石墨化。 泡沫材料中的孔优选通常具有相同的尺寸。 孔体积和碳泡沫材料密度可以通过(a)改变包含在待焦化沥青质内的挥发物百分比来控制,(b)将沥青质与各向同性的不同焦化前体混合,或(c)改变压力 在此焦化下进行。 在本发明的另一个实施方案中,在原料烟煤上使用溶剂分离,并提供各向同性的碳泡沫。 公开了一种相关的碳泡沫产品。 本发明的碳泡沫材料的特征在于与现有的碳泡沫材料相比具有高抗压强度。
    • 9. 发明授权
    • Production of coal derivation products utilizing NMP-type solvent
extraction
    • 使用NMP型溶剂萃取生产煤衍生产品
    • US5955375A
    • 1999-09-21
    • US429143
    • 1995-04-26
    • John W. ZondloPeter G. StansberryAlfred H. Stiller
    • John W. ZondloPeter G. StansberryAlfred H. Stiller
    • C10G1/00C10G1/04C01B31/00C10B57/00
    • C10G1/006C10G1/008C10G1/04Y10T436/23
    • A graphite of anisotrophy selected between substantially isotropic to highly anisotropic, or calcined coke graphitizable to such a graphite, or a pitch convertible into such a coke or graphite, is derived from bituminous coal. A first coal is extracted in NMP or like solvent to give a first extract that when carbonized alone produces a substantially isotropic coke. A second coal (the same or different as the first coal) is hydrogenated and similarly extracted to give a second extract. The extent of hydrogenation is controlled so that the second extract when carbonized alone produces a highly anisotropic coke. Test samples are prepared by combining the two extracts in differing ratios including one sample in a ratio at each range end of the range. The solids of each sample are recovered, carbonized into coke, and then optionally converted into graphite, and its degree of anisotrophy analyzed. Comparison of the analyzed degrees for the different coke or graphite samples gives an correlation (e. g. a curve), that is characteristic for the coal treated. From this correlation, the two fractions can be solution blended in correct proportion to give a pitch yielding a coke or graphite of a selected anisotrophy or the coke or graphite can be produced therefrom. Alternatives are disclosed for combining the coals as such for extraction or variably hydrogenating a single coal to correspond in either case to a selected degree of anisotrophy.
    • 从基本上各向同性至高度各向异性的石墨,或可石墨化为这种石墨的煅烧焦炭,或可转化成这种焦炭或石墨的沥青衍生自烟煤。 将第一种煤在NMP或类似溶剂中萃取,得到第一提取物,当单独碳化时产生基本上各向同性的焦炭。 第二煤(与第一煤相同或不同)被氢化并类似地提取以产生第二提取物。 控制氢化程度,使得第二提取物单独碳化时产生高度各向异性的焦炭。 通过以不同比例的两种提取物组合测试样品,其中包括一个样品,其范围在每个范围终点处的比例。 回收每个样品的固体,碳化成焦炭,然后任选地转化成石墨,并分析其各向异性程度。 不同焦炭或石墨样品的分析度的比较给出了相关性(如曲线),这是煤炭处理的特征。 根据这种相关性,可以将这两个组分以正确的比例溶液混合,得到产生所选择的各向异性生物的焦炭或石墨的沥青,或者由此生产焦炭或石墨。 公开了用于将煤合并用于提取或可变地氢化单一煤的替代方案,以在任一情况下对应于选定的各向异性程度。