Methods of making a carbon foam
    2.
    发明授权
    Methods of making a carbon foam 有权
    制造碳泡沫的方法

    公开(公告)号:US06544491B1

    公开(公告)日:2003-04-08

    申请号:US09654211

    申请日:2000-09-01

    IPC分类号: C01B3104

    摘要: 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. The carbon foam materials of the present invention are characterized by having high compressive strength as compared with prior known carbon foam materials. A further embodiment is disclosed wherein the pitch material which is employed as a feedstock in the process may be coal feedstock or a petroleum feedstock employed alone or in combination with each other. In another embodiment, an inert gas is saturated into the asphaltenes under a first pressure and coking is subsequently effected at a second pressure lower than the first to facilitate coking.

    摘要翻译: 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。 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。 公开了另外的实施方案,其中在该方法中用作原料的沥青材料可以是单独使用或彼此组合使用的煤原料或石油原料。 在另一个实施方案中,惰性气体在第一压力下饱和到沥青质中,随后在低于第一压力的第二压力下进行焦化以促进焦化。

    Method of making a carbon foam material and resultant product
    3.
    发明授权
    Method of making a carbon foam material and resultant product 有权
    制造碳泡沫材料和所得产品的方法

    公开(公告)号:US06506354B1

    公开(公告)日:2003-01-14

    申请号:US09648860

    申请日:2000-08-25

    IPC分类号: C01B3102

    摘要: 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. A further embodiment is disclosed wherein a petroleum pitch is employed as the feedstock either alone or in combination with a coal feedstock.

    摘要翻译: 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。 公开了另一个实施方案,其中石油沥青单独或与煤原料组合用作原料。