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公开(公告)号：US4397830A
公开(公告)日：1983-08-09
申请号：US366917
申请日：1982-04-09
摘要： A starting pitch for carbon fibers, obtained by (A) mixing (1) a heavy fraction oil boiling at not lower than 200.degree. C. obtained at the time of steam cracking of petroleum with (2) a hydrogenated oil selected from aromatic hydrocarbons of 2-10 rings in which the nuclei have been hydrogenated and specific fractions boiling at 160.degree.-650.degree. C. and containing such nuclei-hydrogenated hydrocarbons and then (B) heat treating the resulting mixed oil at 370.degree.-480.degree. C. and 2-50 Kg/cm.sup.2.G to obtain the starting pitch for carbon fibers.
摘要翻译： 通过（A）混合（1）在石油蒸汽裂解时获得的沸点不低于200℃的重馏分油，（2）氢化油，所述氢化油选自： 其中核被氢化的2-10环，在160-65℃沸腾的特定馏分并含有这些核氢化烃，然后（B）在370-480℃下热处理所得混合油， 2-50kg / cm 2 G.以获得碳纤维的起始间距。
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公开(公告)号：US4533535A
公开(公告)日：1985-08-06
申请号：US579206
申请日：1984-02-10
摘要： A starting pitch for carbon fibers is obtained by mixing (1) 100 parts by volume of a heavy fraction oil boiling at not lower than 200.degree. C. and obtained at the time of fluidized catalytic cracking of petroleum with (2) 10 to 200 parts by volume of a fraction boiling in the range of 250.degree. to 550.degree. C. obtained by distilling under reduced pressure an oil produced at the time of heat treating a starting pitch and then heat treating the resulting mixture at a temperature of from 370.degree. C. to 480.degree. C. under a pressure of from 2 to 50 Kg/cm.sup.2.G thereby to obtain the starting pitch for carbon fibers. The thus obtained starting pitch is heat treated to obtain a precursor pitch which is melt spun, infusibilized, carbonized or graphitized to obtain the carbon fibers.
摘要翻译： 通过混合（1）100体积份沸点不低于200℃并在石油流化催化裂化时获得的（2）10〜200份的重馏分油获得碳纤维起始沥青 通过在减压下蒸馏在热处理起始沥青时产生的油，然后在370℃的温度下热处理所得混合物而获得的在250〜550℃范围内沸腾的馏分 至480℃，压力为2至50Kg / cm 2 G.由此得到碳纤维的起始间距。 将由此获得的起始间距进行热处理以获得熔融纺丝，不熔化，碳化或石墨化以获得碳纤维的前体沥青。
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公开(公告)号：US4474617A
公开(公告)日：1984-10-02
申请号：US465329
申请日：1983-02-09
CPC分类号： C10C3/04
摘要： A pitch which affords a carbon fiber having a high strength and a high elastic modulus is obtained by treating a pitch containing 5 to 35 wt. % of an optically anisotropic region with an oxidizing gas, followed by hydrogenation treatment if required.
摘要翻译： 通过处理含有5〜35重量％的沥青，得到具有高强度和高弹性模量的碳纤维的沥青。 ％的具有氧化气体的光学各向异性区域，然后如果需要进行氢化处理。
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公开(公告)号：US4521294A
公开(公告)日：1985-06-04
申请号：US366937
申请日：1982-04-09
摘要： A starting pitch for carbon fibers, obtained by (A) mixing together (1) a heavy fraction oil boiling at not lower than 200.degree. C. obtained at the time of fluidized catalytic cracking of petroleum, (2) a hydrogenated oil selected from aromatic hydrocarbons of 2-10 rings having their nuclei partly hydrogenated and specific fractions boiling at 160.degree.-650.degree. C. and containing such aromatic hydrocarbons and (3) a heavy fraction oil boiling at not lower than 200.degree. C. obtained at the time of steam cracking of petroleum, to form a mixture of the oils (1), (2) and (3), and then (B) heat treating the thus formed oil mixture at 370.degree.-480.degree. C. and 2-50 Kg/cm.sup.2.G thereby to obtain the starting pitch.
摘要翻译： 通过（A）混合（1）在石油流化催化裂化时获得的沸点不低于200℃的重馏分油，（2）选自芳族化合物的氢化油获得的碳纤维起始沥青 2-10环的烃，其核部分氢化，特定馏分在160-65℃沸腾并含有这些芳烃，（3）在不低于200℃沸腾的重馏分油，在 石油的蒸汽裂化，形成油（1），（2）和（3）的混合物，然后（B）在370-480℃和2-50kg / 由此得到起始间距。
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公开(公告)号：US4391788A
公开(公告)日：1983-07-05
申请号：US366862
申请日：1982-04-09
摘要： A starting pitch for carbon fibers, produced by heat treating at 400.degree.-500.degree. C. under a hydrogen pressure of at least 20 Kg/cm.sup.2.G (1) a heavy fraction oil boiling at not lower than 200.degree. C. obtained at the time of fluidized catalytic cracking of petroleum or (3) a mixture of the heavy fraction oil (1) with (2) a heavy fraction oil boiling at not lower than 200.degree. C. obtained at the time of steam cracking of petroleum, the pitch so produced being heat treated to make precursor pitch therein, melt spun, infusibilized and carbonized or further graphitized to obtain the carbon fibers.
摘要翻译： 碳纤维的起始沥青，通过在400℃-500℃下在至少20Kg / cm 2的氢气压力下进行热处理而生产.G（1）在不低于200℃沸腾的重馏分油 石油流化催化裂化的时间或（3）重馏分油（1）与（2）在石油蒸汽裂解时获得的不低于200℃沸腾的重馏分油的混合物， 经过热处理以使其中的前体沥青，熔融纺丝，不熔化和碳化或进一步石墨化以获得碳纤维的沥青。
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公开(公告)号：US4575411A
公开(公告)日：1986-03-11
申请号：US673578
申请日：1984-11-21
摘要： A precursor pitch for the production of carton fibers is obtained by heat-treating a carbonaceous pitch in the form of a thin film having a thickness not larger than 5 mm at a temperature in the range of 250.degree. to 390.degree. C. and under a reduced pressure not higher than 100 mmHg. By melt-spinning this precursor pitch and subjecting the resultant pitch fiber to infusiblization and carbonization and, if required, to subsequent graphitization, there is obtained a high quality carbon fiber.
摘要翻译： 用于生产纸板纤维的前体沥青通过在250℃至390℃的温度范围内热处理厚度不大于5mm的薄膜形式的碳质沥青，并在 减压不高于100mmHg。 通过熔融纺丝该前体沥青并对所得沥青纤维进行熔融和碳化，并且如果需要，随后进行石墨化，获得高质量的碳纤维。
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公开(公告)号：US4460557A
公开(公告)日：1984-07-17
申请号：US441670
申请日：1982-11-15
CPC分类号： D01F9/15
摘要： A process for the production of carbon fibers comprising heat treating a starting material, melt spinning the resulting precursor pitch, infusibilizing the pitch fibers and carbonizing or graphitizing the infusibilized pitch fibers, characterized in that the starting pitch is obtained by heat treating coal tar and/or coal liquefaction pitch at a specific temperature and a specific hydrogen pressure or by mixing coal tar and/or coal liquefaction tar with at least one nucleus-hydrogenated hydrocarbon of 2-3 rings in a specific mixing ratio and then heat treating the resulting mixture at a specific temperature and a specific pressure. In one embodiment, this invention relates to the starting pitch and carbon fibers obtained by said process.
摘要翻译： 一种生产碳纤维的方法，包括对原料进行热处理，熔融纺丝所得前体沥青，使沥青纤维熔融并碳化或石墨化不熔化沥青纤维，其特征在于起始沥青是通过热处理煤焦油和/ 或煤液化沥青在特定温度和特定氢气压力下或通过将煤焦油和/或煤液化焦油与至少一种2-3个环的特定混合比的氢化烃混合，然后将所得混合物热处理 具体温度和比压。 在一个实施方案中，本发明涉及通过所述方法获得的起始沥青和碳纤维。
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公开(公告)号：US4440624A
公开(公告)日：1984-04-03
申请号：US435617
申请日：1982-10-20
CPC分类号： D01F9/155
摘要： A starting pitch for carbon fibers, obtained by mixing (1) a heavy fraction oil boiling at not lower than 200.degree. C. obtained at the time of steam cracking of petroleum with (2) wax and then heat treating the resulting mixture at a specified temperature and pressure thereby to obtain the starting pitch, the thus obtained starting pitch being heat treated to produce a precursor pitch which is melt spun, infusibilized, carbonized or graphitized to obtain the carbon fibers.
摘要翻译： 通过混合（1）在石油蒸汽裂化时获得的不低于200℃的沸点的重馏分油与（2）蜡，然后在指定的温度下热处理所得混合物而获得的碳纤维起始沥青 温度和压力，从而获得起始间距，由此获得的起始间距进行热处理以产生熔融纺丝，不熔化，碳化或石墨化以获得碳纤维的前体沥青。
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公开(公告)号：US4490239A
公开(公告)日：1984-12-25
申请号：US477683
申请日：1983-03-22
CPC分类号： D01F9/145
摘要： A pitch which affords a carbon fiber having a high strength and a high elastic modulus is obtained by treating a pitch containing 5 to 35 weight percent of an optically anisotropic region with sulfur.
摘要翻译： 通过用硫处理含有5〜35重量％的光学各向异性区域的沥青，得到具有高强度和高弹性模量的碳纤维的沥青。
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公开(公告)号：US4470960A
公开(公告)日：1984-09-11
申请号：US437132
申请日：1982-10-27
CPC分类号： C10C3/00
摘要： A process for the production of carbon fibers which comprises using a specific optically isotropic pitch having a reflectivity of 9.0-11.0% as the material for the carbon fibers.
摘要翻译： 一种生产碳纤维的方法，其包括使用反射率为9.0-11.0％的特定光学各向同性沥青作为碳纤维的材料。
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