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公开(公告)号：USH907H
公开(公告)日：1991-04-02
申请号：US207482
申请日：1988-06-16
Applicant: Kazuhito Tate , Koji Tsuchimoto , Kazuhiro Yanagida
Inventor： Kazuhito Tate , Koji Tsuchimoto , Kazuhiro Yanagida
Abstract: A process for producing a graphite fiber is disclosed, which is characterized by using, as a starting material, an optically anisotropic pitch prepared from a compound having a specific chemical structure as represented by formula (I) shown in the specification. The resulting graphite fiber shows a highly developed graphite structure and has excellent electrical conductivity.
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公开(公告)号：US4460454A
公开(公告)日：1984-07-17
申请号：US456453
申请日：1983-01-07
Applicant: Hiroshi Iijima , Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida , Yoshikazu Nakamura , Akiyoshi Inoue , Masahiro Higashi
Inventor： Hiroshi Iijima , Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida , Yoshikazu Nakamura , Akiyoshi Inoue , Masahiro Higashi
Abstract: A process for producing a pitch which is used as a raw material for producing carbon fibers is disclosed. The process comprises subjecting a petroleum heavy residual oil to hydrogenation treatment in the presence of catalysts, removing a low boiling point fraction of the oil by reduced pressure distillation, subjecting the resulting reduced pressure distillation residual oil to solvent extraction treatment, and carrying out thermal modification of the resulting extraction component.By utilizing the process for producing the pitch it is possible to use a wide variety of different types of oils in order to produce carbon fibers. The carbon fibers produced from the pitch produced according to the disclosed process have desirable characteristics.
Abstract translation: 公开了一种生产用作生产碳纤维原料的沥青的方法。 该方法包括在催化剂存在下对石油重残余油进行氢化处理，通过减压蒸馏除去油的低沸点馏分，对所得减压蒸馏残油进行溶剂萃取处理，进行热改性 的所得提取组分。 通过利用制造沥青的方法，可以使用多种不同类型的油来生产碳纤维。 由根据所公开的方法生产的沥青产生的碳纤维具有期望的特性。
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公开(公告)号：US4670129A
公开(公告)日：1987-06-02
申请号：US853579
申请日：1986-04-18
Applicant: Kazuhito Tate , Hajime Yoshida , Kazuhiro Yanagida
Inventor： Kazuhito Tate , Hajime Yoshida , Kazuhiro Yanagida
Abstract: A pitch having optical anisotropy for use in production of carbon fibers, wherein the pitch is prepared using a compound represented by the formula (I) as a raw starting material and subjecting the compound to thermal modification and then removing light fractions ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.6, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 each represents a hydrogen atom or a methyl group or an ethyl group; R.sub.5 represents a hydrogen atom or a methyl group; the total number of carbon atoms of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is from 2 to 4 and the total number of carbon atoms of R.sub.6, R.sub.7, R.sub.8 and R.sub.9 is from 2 to 4; and m is at least 3. The pitch is substantially homogeneous in quality, has a low softening point and has excellent molecular orientation.
Abstract translation: 具有用于生产碳纤维的光学各向异性的节距，其中使用由式（I）表示的化合物作为原始原料制备沥青，并对化合物进行热改性，然后除去轻馏分（I ）其中R 1，R 2，R 3，R 4，R 6，R 7，R 8，R 9和R 10各自表示氢原子或甲基或乙基; R5表示氢原子或甲基; R1，R2，R3和R4的碳原子数为2〜4，R6，R7，R8和R9的碳原子数为2〜4; 并且m为至少3.沥青质量基本均匀，具有低软化点并且具有优异的分子取向。
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4.发明授权Pitch as a raw material for making carbon fibers and process for producing the same 失效作为制造碳纤维的原料的间距及其制造方法
公开(公告)号：US4597853A
公开(公告)日：1986-07-01
申请号：US468910
申请日：1983-02-23
Applicant: Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida
Inventor： Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida
CPC classification number: C10C3/00
Abstract: A pitch is disclosed which is used as a raw material for making carbon fibers. The pitch has a quinoline insoluble content of 7-18% by weight and a toluene insoluble content of 70-90% by weight. Further, the pitch preferably has a n-heptane soluble content of 1.0% by weight or less. A process for producing the pitch is also disclosed. The process comprises carrying out thermal modification of a petroleum heavy residual oil having a boiling point of 400.degree. C. or more (atmospheric pressure) and a sulfur content of 1.5% by weight or less. Insoluble substances are then separated and removed by heating at a temperature of 380.degree. C. or less. Thereafter, a low boiling point fraction is removed by vacuum distillation. The pitch can be utilized to producd carbon fibers without breaking of filaments in spinning or adhesion by fusion of the fibers in infusibilization. The carbon fibers produced have a high tensile strength and high modulus of elasticity.
Abstract translation: 公开了用作制造碳纤维的原料的沥青。 沥青的喹啉不溶成分为7〜18重量％，甲苯不溶成分为70〜90重量％。 此外，间距优选具有1.0重量％以下的正庚烷可溶成分。 还公开了一种产生沥青的方法。 该方法包括对沸点为400℃以上（大气压），硫含量为1.5重量％以下的石油重残余油进行热改性。 然后在380℃以下的温度下加热分离除去不溶物。 此后，通过真空蒸馏除去低沸点馏分。 该沥青可以用于生产碳纤维，而不会在纺丝或粘合中破坏纤维，因此在纤维中融合纤维。 所生产的碳纤维具有高拉伸强度和高弹性模量。
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公开(公告)号：US4462894A
公开(公告)日：1984-07-31
申请号：US409216
申请日：1982-08-18
Applicant: Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida
Inventor： Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida
Abstract: A process for producing a pitch is disclosed. The process involves distilling a heavy petroleum oil under reduced pressure to obtain a distillate, the distillate is hydrogenated to obtain a hydrogenated oil which is subjected to catalytic cracking. The cracked oil is subjected to distillation to obtain a high boiling point fraction having a boiling point of more than 300.degree. C. The high boiling point fraction is subjected to thermal modification in order to obtain the pitch. The pitch can be utilized in order to produce carbon fibers of high quality. By utilizing the process a greater variety of starting materials can be utilized in order to produce the pitch which is utilized to produce high quality carbon fibers.
Abstract translation: 公开了一种产生沥青的方法。 该方法包括在减压下蒸馏重质石油，得到馏出物，将馏出物氢化，得到氢化油，进行催化裂化。 将裂化油进行蒸馏以获得沸点高于300℃的高沸点馏分。对高沸点馏分进行热改性以获得沥青。 为了生产高质量的碳纤维，可以使用沥青。 通过利用该方法，可以使用更多种起始材料以产生用于生产高质量碳纤维的沥青。
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公开(公告)号：US4462893A
公开(公告)日：1984-07-31
申请号：US422913
申请日：1982-09-24
Applicant: Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida
Inventor： Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida
CPC classification number: D01F9/155 , C10C3/00 , C10G2300/107
Abstract: A process for producing a pitch which can be utilized as a raw material for producing carbon fibers is disclosed. The process involves distilling a petroleum heavy residual oil under reduced pressure to produce a reduced pressure distillation residual oil or a reduced pressure distillate oil. The distillation residual oil is subjected to a solvent deasphaltening treatment to produce a solvent deasphaltened oil. The solvent deasphaltened oil or the reduced pressure distillate oil is subjected to solvent extraction to obtain a solvent extraction component. The solvent extraction component is thermally modified to produce the pitch. The pitch can be utilized in a melt-spinning process in order to produce carbon fibers having desirable characteristics.
Abstract translation: 公开了一种生产可用作生产碳纤维原料的沥青的方法。 该方法包括在减压下蒸馏石油残余油以产生减压蒸馏残油或减压馏出油。 对蒸馏残余油进行溶剂脱沥青处理以制备溶剂脱沥青油。 将溶剂脱沥青油或减压馏出油进行溶剂萃取，得到溶剂萃取组分。 溶剂萃取组分被热改性以产生沥青。 沥青可用于熔融纺丝工艺中，以便生产具有所需特性的碳纤维。
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公开(公告)号：US4460455A
公开(公告)日：1984-07-17
申请号：US456454
申请日：1983-01-07
Applicant: Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida
Inventor： Kunihiko Moriya , Kazuhito Tate , Goro Muroga , Kazuhiro Yanagida
Abstract: A process for producing a pitch used as a raw material for producing carbon fibers is disclosed. The process comprises the steps of carrying out catalytic cracking of a hydrogenated residual oil prepared by hydrogenation treatment of a petroleum heavy residual oil or a mixture composed of said hydrogenated residual oil and a hydrogenated distillate oil which is prepared by hydrogenation treatment of a reduced pressure distillate oil prepared by reduced pressure distillation of the petroleum heavy residual oil. The resulting cracking oil is then distilled to produce a high boiling point fraction having a boiling point of 300.degree. C. or more. The fraction is then subjected to thermal modification. The pitch is then utilized to produce carbon fibers which have desirable characteristics. The process is advantageous in that it makes possible the use of a wide variety of different types of oils in order to produce a pitch which can be utilized in producing carbon fibers having desirable characteristics.
Abstract translation: 公开了一种生产用作生产碳纤维原料的沥青的方法。 该方法包括以下步骤：通过氢化处理石油残余油或由所述氢化残余油组成的混合物和通过氢化处理减压馏出物制备的氢化馏出油来制备的氢化残余油的催化裂化步骤 油通过减压蒸馏石油重残油。 然后将得到的裂解油蒸馏，得到沸点为300℃以上的高沸点馏分。 然后对该级分进行热改性。 然后将沥青用于生产具有期望特性的碳纤维。 该方法的优点在于，可以使用多种不同类型的油以产生可用于生产具有所需特性的碳纤维的沥青。
