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公开(公告)号：US5501788A
公开(公告)日：1996-03-26
申请号：US266286
申请日：1994-06-27
CPC分类号： D01F9/145 , C10C3/08 , Y10S264/19
摘要： This invention provides a process for preparing a solvated isotropic pitch having a fluid temperature at least 40.degree. C. lower than the same pitch in the non-solvated state. Additionally, the present invention provides a solvated isotropic pitch which may be formed into carbon artifacts which do not require oxidative stabilization prior to carbonization.
摘要翻译： 本发明提供了一种制备溶剂化各向同性沥青的方法，其在非溶剂化状态下的流体温度低于相同沥青的至少40℃。 此外，本发明提供溶剂化的各向同性沥青，其可以形成碳碳伪影，其在碳化之前不需要氧化稳定性。
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公开(公告)号：US06717021B2
公开(公告)日：2004-04-06
申请号：US09873754
申请日：2001-06-04
IPC分类号： C10C308
CPC分类号： D01F9/145 , C10C3/00 , C10C3/08 , C10G2400/30
摘要： A solvating component for a solvated mesophase pitch. The solvated component includes a mixture of aromatic hydrocarbons having boiling points in the atmospheric equivalent boiling point range of about 285° to about 500° C. (about 550° F.-932° F.). At least 80% of the carbon atoms of the hydrocarbons are aromatic as characterized by carbon 13 NMR. The aromatic hydrocarbons are selected from a group consisting of aromatic compounds having 2 to 5 aromatic rings, substituted aromatic compounds having 2 to 5 aromatic rings wherein said substituents are alkyl groups having 1 to 3 carbons, hydroaromatic compounds having 2 to 5 rings, substituted aromatic compounds having 2 to 5 rings wherein said substituents are alkyl groups having 1 to 3 carbons, and mixtures thereof.
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公开(公告)号：US5489374A
公开(公告)日：1996-02-06
申请号：US334647
申请日：1994-11-07
摘要： The present invention provides a process for obtaining a very clean mesophase pitch from isotropic pitch. This invention utilizes a solvent fractionation process which does not involve the process steps, yield loss and waste generation associated with fluxing and filtering the isotropic pitch. Additionally, this invention provides a liquid/liquid extraction process that avoids the solids handling and the high temperatures and pressures of supercritical fluid extraction. Finally, this invention controls the hardness of the mesophase product.
摘要翻译： 本发明提供了从各向同性沥青获得非常干净的中间相沥青的方法。 本发明利用不涉及工艺步骤的溶剂分馏方法，与助熔和过滤各向同性沥青相关的产量损失和废物产生。 此外，本发明提供了一种避免固体处理和超临界流体萃取的高温和高压的液/液萃取方法。 最后，本发明控制中间相产物的硬度。
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公开(公告)号：US5437780A
公开(公告)日：1995-08-01
申请号：US135204
申请日：1993-10-12
CPC分类号： C10C3/026
摘要： This invention relates to a process for producing mesophase pitch in high yields. The process of the invention comprises isolating a heavy fraction of a heat soaked pitch by a solvent extraction, heat soaking the isolated heavy fraction to increase the size and number of larger heavy aromatics, and isolating the larger heavy aromatics by solvent extraction to obtain a larger heavy aromatic solvated mesophase pitch.
摘要翻译： 本发明涉及以高产率生产中间相沥青的方法。 本发明的方法包括通过溶剂萃取分离重馏分的热浸沥青，热分离重质馏分以增加较大的重芳烃的大小和数量，并通过溶剂萃取分离较大的重芳烃以获得更大的重质馏分 重芳烃溶剂中间相沥青。
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公开(公告)号：US5032249A
公开(公告)日：1991-07-16
申请号：US574836
申请日：1990-08-28
IPC分类号： C10G73/42
CPC分类号： C10G73/42
摘要： Heavy intermediate petroleum wax is separated into two fractions in a wiped film evaporator to provide a lower boiling fraction of narrow melting range particularly suitable for use in hot melt adhesive formulations.
摘要翻译： 重质中间体石蜡在刮膜蒸发器中分成两部分，以提供特别适用于热熔胶制剂的较窄熔点范围的较低沸点。
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公开(公告)号：US20090242830A1
公开(公告)日：2009-10-01
申请号：US12414486
申请日：2009-03-30
CPC分类号： H01M4/587 , C01B32/20 , C01P2004/03 , H01M4/366 , H01M2004/021
摘要： Methods and compositions relate to anode powders for use in batteries. The powders may provide limited surface area per volume of powder material. Further, the powders may include limited amounts of particles below a threshold size within a particle size distribution. Some embodiments utilize regular or anode grade petroleum coke as a precursor.
摘要翻译： 方法和组合物涉及用于电池的阳极粉末。 粉末可以提供每体积粉末材料的有限的表面积。 此外，粉末可以包括在粒度分布内的阈值尺寸以下的有限量的颗粒。 一些实施例使用常规或阳极级石油焦炭作为前体。
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