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公开(公告)号：US5910456A
公开(公告)日：1999-06-08
申请号：US702726
申请日：1996-09-09
CPC分类号： C08J5/042 , C08J5/24 , C08J2363/00 , Y10S428/902 , Y10T428/30 , Y10T442/2984 , Y10T442/608 , Y10T442/674
摘要： There is disclosed a prepreg including noncircular cross-section carbon fibers and a matrix resin having a flexural elastic modulus of 2.7 GPa or more and a water absorption of 3.4% or less under hot-wet conditions after curing; and another prepreg including carbon fibers and a matrix resin having an open-hole compression strength under hot-wet conditions and a compression strength after impact under room-temperature conditions of a quasi-isotropic material after curing of each 275 MPa or more. Carbon fiber-reinforced composite materials produced by curing these prepregs are excellent in open-hole compression strength under hot-wet conditions and in compression strength after impact, and can be suitably used especially as an aircraft primary structure material.
摘要翻译： PCT No.PCT / JP96 / 00014 Sec。 371日期1996年9月9日 102（e）1996年9月9日PCT 1996年1月9日PCT PCT。 公开号WO96 / 21695 日期1996年7月18日在固化后的热湿条件下，公开了包括非圆形横截面碳纤维和基体树脂的预浸料，其弯曲弹性模量为2.7GPa以上，吸水率为3.4％以下。 另外，在275MPa以上的固化后，在室温条件下，在热湿条件下具有开孔压缩强度的基体树脂和冲击后的压缩强度的另一种预浸料坯。 通过固化这些预浸料制备的碳纤维增强复合材料在热湿条件下的开孔压缩强度和冲击后的抗压强度优异，可以特别适用于飞机初级结构材料。
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2.发明授权公开(公告)号：US06368711B2
公开(公告)日：2002-04-09
申请号：US09761304
申请日：2001-01-17
IPC分类号： D01F601
CPC分类号： D01F9/22 , D01F6/18 , D01F11/14 , Y10T428/2913 , Y10T428/2918 , Y10T428/292 , Y10T428/2964 , Y10T428/2967 , Y10T428/30
摘要： Disclosed are carbon fibers consisting of a plurality of single filaments, wherein the carbon fibers as a resin impregnated strand are characterized by satisfying the following relations: &sgr;≧11.1-0.75d where &sgr; is the tensile strength of said carbon fibers as a resin impregnated strand in GPa, and d is the average diameter of said single filaments in &mgr;m, and RD≧0.05 where RD is the difference in crystallinity between the inner and outer layers of each of the single filaments evaluated with RAMAN, and an acrylic fibers for producing the carbon fibers and a process for producing the acrylic fibers.
摘要翻译： 公开了由多根单丝组成的碳纤维，其中作为树脂浸渍线的碳纤维的特征在于满足以下关系：σ= 11.1-0.75d，其中σ是作为树脂浸渍的所述碳纤维的拉伸强度 GPa中的单丝的平均直径，d是所述单丝的平均直径，RD> = 0.05，其中RD是用拉曼评估的每个单丝的内层和外层之间的结晶度差异，以及用于 生产碳纤维和生产丙烯酸纤维的方法。
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3.发明授权公开(公告)号：US06221490B1
公开(公告)日：2001-04-24
申请号：US09521766
申请日：2000-03-09
IPC分类号： D01F900
CPC分类号： D01F9/22 , D01F6/18 , D01F11/14 , Y10T428/2913 , Y10T428/2918 , Y10T428/292 , Y10T428/2964 , Y10T428/2967 , Y10T428/30
摘要： Disclosed are carbon fibers consisting of a plurality of single filaments, wherein the carbon fibers as a resin impregnated strand are characterized by satisfying the following relations: &sgr;≧11.1−0.75 d where &sgr; is the tensile strength of said carbon fibers as a resin impregnated strand in GPa, and d is the average diameter of said single filaments in &mgr;m, and RD≦0.05 where RD is the difference in crystallinity between the inner and outer layers of each of the single filaments evaluated with RAMAN, and an acrylic fibers for producing the carbon fibers and a process for producing the acrylic fibers.
摘要翻译： 公开了由多根单丝组成的碳纤维，其中作为树脂浸渍线的碳纤维的特征在于满足以下关系：σ= 11.1-0.75d，其中σ是作为浸渍树脂的所述碳纤维的拉伸强度 GPa中的单丝的平均直径，d是所述单丝的平均直径，RD <= 0.05，其中RD是用拉曼评估的每个单丝的内层和外层之间的结晶度差异，以及用于 生产碳纤维和生产丙烯酸纤维的方法。
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公开(公告)号：US5462799A
公开(公告)日：1995-10-31
申请号：US293817
申请日：1994-08-22
CPC分类号： D01F11/16 , D01F11/14 , Y10T428/2913 , Y10T428/2918 , Y10T428/2933 , Y10T428/2964 , Y10T428/2971
摘要： Carbon fibers with a surface oxygen concentration (O/C ratio) of 0.20 or less as measured by X-ray photoelectron spectroscopy, a surface concentration of hydroxyl groups (C--OH/C ratio) of 0.5% or greater as measured by chemical modification X-ray photoelectron spectroscopy and a surface concentration of carboxylic groups (COOH/C ratio) of 2.0% or less as measured by chemical modification X-ray photoelectron spectroscopy, and comprising applied as a sizing agent an aliphatic compound which has multiple epoxy groups or an aromatic compound which has multiple epoxy groups, the number of atoms between the epoxy groups and an aromatic ring being 6 or greater. They are prepared by electrolyzing a carbon fiber in an alkaline aqueous solution, or electrolyzing a carbon fiber in an acidic aqueous solution followed by washing with an alkaline aqueous solution, and then applying a sizing agent of an aliphatic compound with multiple epoxy groups or an aromatic compound with multiple epoxy groups in which the number of atoms between the epoxy groups and an aromatic ring is 6 or greater. Alternatively, they are prepared by electrolyzing a carbon fiber in an aqueous solution of an ammonium salt and then applying a sizing agent of an aliphatic compound with multiple epoxy groups or an aromatic compound with multiple epoxy groups in which the number of atoms between the epoxy groups and an aromatic ring is 6 or greater.
摘要翻译： 通过X射线光电子能谱测定，表面氧浓度（O / C比）为0.20以下的碳纤维，通过化学改性测定的羟基的表面浓度（C-OH / C比）为0.5％以上 通过化学修饰X射线光电子能谱法测定的X射线光电子能谱和羧基的表面浓度（COOH / C比）为2.0％以下，并且包括作为上浆剂应用具有多个环氧基的脂肪族化合物或 具有多个环氧基的芳族化合物，环氧基和芳香环之间的原子数为6以上。 它们是通过在碱性水溶液中电解碳纤维，或在酸性水溶液中电解碳纤维，然后用碱性水溶液洗涤来制备的，然后施加具有多个环氧基或芳香族的脂族化合物的施胶剂 具有多个环氧基的化合物，其中环氧基和芳环之间的原子数为6以上。 或者，它们通过在铵盐水溶液中电解碳纤维，然后将具有多个环氧基的脂肪族化合物或具有多个环氧基的芳族化合物的施胶剂，其中环氧基团之间的原子数 芳环为6以上。
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公开(公告)号：US6103211A
公开(公告)日：2000-08-15
申请号：US983393
申请日：1998-01-20
CPC分类号： D01F9/22 , D01F11/14 , D01F6/18 , Y10T428/2913 , Y10T428/2918 , Y10T428/292 , Y10T428/2964 , Y10T428/2967 , Y10T428/30
摘要： The object of the present invention is to provide carbon fibers with high tensile strength as a resin impregnated strand even if the single filaments constituting the carbon fibers are thick. The carbon fibers of the present invention consisting of a plurality of single filaments are characterized by satisfying the following relation:.sigma..gtoreq.11.1-0.75dwhere .sigma. is the tensile strength of the carbon fibers as a resin impregnated strand (in GPa) and d is the average diameter of the single filaments (in .mu.m). The carbon fibers can be preferably used as a material for forming energy-related apparatuses such as CNG tanks, fly wheels, wind mills and turbine blades, a material for reinforcing structural members of roads, bridge piers, etc., and also a material for forming or reinforcing architectural members such as timber and curtain walls.
摘要翻译： PCT No.PCT / JP97 / 01716 Sec。 371日期1998年1月20日 102（e）1998年1月20日PCT PCT 1997年5月22日PCT公布。 公开号WO97 / 45576 日期1997年12月4日本发明的目的是提供具有高拉伸强度的碳纤维作为树脂浸渍线，即使构成碳纤维的单丝变厚。 由多根单丝组成的本发明的碳纤维的特征在于满足以下关系：σ= 11.1-0.75d，σ是作为树脂浸渍的链（以GPa计）的碳纤维的拉伸强度，d 是单丝的平均直径（μm）。 碳纤维可以优选用作形成诸如CNG罐，飞轮，风磨机和涡轮叶片的能量相关设备的材料，用于加强道路，桥墩等的结构构件的材料，以及用于 形成或加强建筑构件，如木材和幕墙。
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公开(公告)号：US5691055A
公开(公告)日：1997-11-25
申请号：US661323
申请日：1996-06-13
CPC分类号： D01F11/16 , D01F11/14 , Y10T428/2913 , Y10T428/2918 , Y10T428/2933 , Y10T428/2964 , Y10T428/2971
摘要： Carbon fibers with a surface oxygen concentration (O/C ratio) of 0.20 or less as measured by X-ray photoelectron spectroscopy, a surface concentration of hydroxyl groups (C--OH/C ratio) of 0.5% or greater as measured by chemical modification X-ray photoelectron spectroscopy and a surface concentration of carboxylic groups (COOH/C ratio) of 2.0% or less as measured by chemical modification X-ray photoelectron spectroscopy, and an aliphatic compound applied as a sizing agent which has multiple epoxy groups or an aromatic compound which has multiple epoxy groups, the number of atoms between the epoxy groups and an aromatic ring being 6 or greater.
摘要翻译： 通过X射线光电子能谱测定，表面氧浓度（O / C比）为0.20以下的碳纤维，通过化学改性测定的羟基的表面浓度（C-OH / C比）为0.5％以上 通过化学修饰X射线光电子能谱法测定的X射线光电子能谱和羧基的表面浓度（COOH / C比）为2.0％以下，作为上胶剂使用的脂肪族化合物，其具有多个环氧基或 具有多个环氧基的芳香族化合物，环氧基和芳香环之间的原子数为6以上。
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公开(公告)号：US5589055A
公开(公告)日：1996-12-31
申请号：US460917
申请日：1995-06-05
CPC分类号： D01F11/16 , D01F11/14 , Y10T428/2913 , Y10T428/2918 , Y10T428/2933 , Y10T428/2964 , Y10T428/2971
摘要： A process for preparing carbon fibers including electrolyzing a carbon fiber in an alkaline aqueous solution, or electrolyzing a carbon fiber in an acidic aqueous solution followed by washing with an alkaline aqueous solution, and then applying a sizing agent of an aliphatic compound with multiple epoxy groups or an aromatic compound with multiple epoxy groups in which the number of atoms between the epoxy groups and an aromatic ring is 6 or greater. Alternatively, the carbon fibers are prepared by electrolyzing a carbon fiber in an aqueous solution of an ammonium salt and then applying a sizing agent of an aliphatic compound with multiple epoxy groups or an aromatic compound with multiple epoxy groups in which the number of atoms between the epoxy groups and an aromatic ring is 6 or greater.
摘要翻译： 一种制备碳纤维的方法，包括在碱性水溶液中电解碳纤维，或在酸性水溶液中电解碳纤维，然后用碱性水溶液洗涤，然后施加具有多个环氧基团的脂族化合物的施胶剂 或具有多个环氧基的芳族化合物，其中环氧基和芳香环之间的原子数为6以上。 或者，碳纤维是通过在铵盐水溶液中电解碳纤维，然后将具有多个环氧基的脂肪族化合物或具有多个环氧基的芳族化合物的上浆剂， 环氧基和芳香环为6以上。
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8.发明授权公开(公告)号：US06428892B2
公开(公告)日：2002-08-06
申请号：US09761310
申请日：2001-01-17
IPC分类号： D01F912
CPC分类号： D01F9/22 , D01F6/18 , D01F11/14 , Y10T428/2913 , Y10T428/2918 , Y10T428/292 , Y10T428/2964 , Y10T428/2967 , Y10T428/30
摘要： Disclosed are carbon fibers consisting of a plurality of single filaments, wherein the carbon fibers as a resin impregnated strand are characterized by satisfying the following relations: &sgr;≧11.1−0.75 d where &sgr; is the tensile strength of said carbon fibers as a resin impregnated strand in GPa, and d is the average diameter of said single filaments in &mgr;m, and RD≦0.05 where RD is the difference in crystallinity between the inner and outer layers of each of the single filaments evaluated with RAMAN, and an acrylic fibers for producing the carbon fibers and a process for producing the acrylic fibers.
摘要翻译： 公开了由多根单丝组成的碳纤维，其中作为树脂浸渍线的碳纤维的特征在于满足以下关系：σ= 11.1-0.75d，其中σ是作为浸渍树脂的所述碳纤维的拉伸强度 GPa中的单丝的平均直径，d是所述单丝的平均直径，RD <= 0.05，其中RD是用拉曼评估的每个单丝的内层和外层之间的结晶度差异，以及用于 生产碳纤维和生产丙烯酸纤维的方法。
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公开(公告)号：US5587240A
公开(公告)日：1996-12-24
申请号：US462753
申请日：1995-06-05
CPC分类号： D01F11/16 , D01F11/14 , Y10T428/2913 , Y10T428/2918 , Y10T428/2933 , Y10T428/2964 , Y10T428/2971
摘要： Carbon fibers with a surface oxygen concentration (O/C ratio) of 0.20 or less as measured by X-ray photoelectron spectroscopy, a surface concentration of hydroxyl groups (C-OH/C ratio) of 0.5% or greater as measured by chemical modification X-ray photoelectron spectroscopy and a surface concentration of carboxylic groups (COOH/C ratio) of 2.0% or less as measured by chemical modification X-ray photoelectron spectroscopy, and an aliphatic compound applied as a sizing agent which has multiple epoxy groups or an aromatic compound which has multiple epoxy groups, the number of atoms between the epoxy groups and an aromatic ring being 6 or greater.
摘要翻译： 通过X射线光电子能谱测定，表面氧浓度（O / C比）为0.20以下的碳纤维，通过化学改性测定的羟基的表面浓度（C-OH / C比）为0.5％以上 通过化学修饰X射线光电子能谱法测定的X射线光电子能谱和羧基的表面浓度（COOH / C比）为2.0％以下，作为上胶剂使用的脂肪族化合物，其具有多个环氧基或 具有多个环氧基的芳香族化合物，环氧基和芳香环之间的原子数为6以上。
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10.发明授权
公开(公告)号：US5348802A
公开(公告)日：1994-09-20
申请号：US899952
申请日：1992-06-17
申请人： Yoji Matsuhisa , Toru Hiramatsu , Kazuo Yoshida , Gen Katagiri
发明人： Yoji Matsuhisa , Toru Hiramatsu , Kazuo Yoshida , Gen Katagiri
CPC分类号： D01F9/22 , Y10T428/2913 , Y10T428/2918 , Y10T428/2927 , Y10T428/294 , Y10T428/2978
摘要： Disclosed is a carbon fiber made from an acrylic fiber, the carbon crystal of which has a crystal size Lc of 15 to 65 .ANG. as determined by the wide angle X-ray diffractometry. This carbon fiber has regions with a lower crystallinity in the surface layer portion thereof than that of the central portion thereof, and the compressive strength .sigma..sub.cf (GPa) of the single filament thereof determined by the loop method satisfies formula (I):.sigma..sub.cf .gtoreq.10.78-0.1176.times. Lc (I).The carbon fiber is produced by ionizing in vacuo an atom or molecule which is solid or gaseous at normal temperature, accelerating the ionized atom or molecule by an electric field, and implanting the accelerated ionized atom or molecule in a bundle of carbon fibers.
摘要翻译： 公开了一种由丙烯酸纤维制成的碳纤维，其碳晶体通过广角X射线衍射法测定，其晶体尺寸Lc为15至65。 该碳纤维在其表层部分具有比其中心部分低的结晶度的区域，并且通过环路法确定的单丝的抗压强度σcf（GPa）满足公式（I）：σcf > = = 10.78-0.1176×Lc（I）。 碳纤维通过在真空中真空离子化，在常温下是固体或气态的原子或分子，通过电场加速离子化的原子或分子，并将加速的电离原子或分子注入一束碳纤维中。
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