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1. 发明专利

JP2009185273A Polymer particles for carbon fiber precursor acrylic fiber and carbon fiber precursor acrylic fiber 有权
标题翻译：碳纤维预聚物丙烯腈纤维和碳纤维前体丙烯纤维聚合物颗粒
公开(公告)号：JP2009185273A
公开(公告)日：2009-08-20
申请号：JP2008181309
申请日：2008-07-11
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： SHIMOZAWA NOBUYUKI , NIIMEN YUSUKE , FUJII YASUYUKI
IPC分类号： C08F220/44 , D01F6/18
摘要： PROBLEM TO BE SOLVED: To obtain polymer particles excellent in dispersibility and solubility into a solvent; and to provide a method for producing a carbon fiber precursor acrylic fiber, which reduces maintenance work in a filtration process by decreasing undissolved polymer particles to improve the stability of the production process of the acrylic fiber. SOLUTION: The polymer particles for the carbon fiber precursor acrylic fiber satisfy the following requirements (1) to (5): (1) comprising 95-99.5 mass% of acrylonitrile monomer units and 0.5-5 mass% of acrylamide monomer units as essential components; (2) optionally comprising 0-4.5 mass% of vinyl monomer units copolymerizable with acrylonitrile; (3) having a bulk density of >0.30 g/cm 3 and ≤0.40 g/cm 3 ; (4) having an average particle size of ≥30 μm and ≤40 μm; and (5) having a porosity of ≤30% in the surface layer with a thickness of ≤5 μm from the surface. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：获得在溶剂中的分散性和溶解性优异的聚合物颗粒; 并且提供一种生产碳纤维前体丙烯酸纤维的方法，其通过减少未溶解的聚合物颗粒来减少过滤过程中的维护工作，以提高丙烯酸纤维的生产过程的稳定性。解决方案：碳纤维前体丙烯酸系纤维的聚合物粒子满足以下要求（1）〜（5）：（1）包含95-99.5质量％的丙烯腈单体单元和0.5〜5质量％的丙烯酰胺单体单元作为必要组成部分; （2）任选地包含0-4.5质量％的可与丙烯腈共聚的乙烯基单体单元; （3），其体积密度> 0.30g / cm 3 / SP>和≤0.40g/ cm 3 SP SP 3; （4）具有≥30μm的平均粒径和≤40μm的平均粒径; 和（5）表面层的厚度≤5μm的孔隙率≤30％。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009046770A Acrylonitrile-based precursor fiber for carbon fiber 审中-公开
标题翻译：用于碳纤维的基于丙烯腈的前置纤维
公开(公告)号：JP2009046770A
公开(公告)日：2009-03-05
申请号：JP2007212225
申请日：2007-08-16
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： MATSUMURA HIROKO , FUJII YASUYUKI
IPC分类号： D01F6/18 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide acrylonitrile-based precursor fibers for carbon fibers in order to obtain the carbon fibers having high strength developing properties, particularly high CAI (compressive strength remaining after impact) as a composite material used for aircraft.
SOLUTION: The acrylonitrile-based precursor fibers for the carbon fibers have an arithmetic mean roughness Ra of a contour curve in a direction parallel to the fiber axis of 3.0-10.0 nm.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得具有高强度显影性能，特别是作为用于飞行器的复合材料的CAI（冲击后的抗压强度））的碳纤维，为了提供用于碳纤维的丙烯腈基前体纤维。解决方案：用于碳纤维的丙烯腈基前体纤维在平行于纤维轴3.0-10.0nm的方向上具有轮廓曲线的算术平均粗糙度Ra。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2008075104A Method for imparting electroconductivity to nonconductive sample and method for observing nonconductive sample 审中-公开
标题翻译：将非电导率电极导电的方法和观察非导电性样品的方法
公开(公告)号：JP2008075104A
公开(公告)日：2008-04-03
申请号：JP2006253002
申请日：2006-09-19
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： FUJII YASUYUKI
IPC分类号： C23C14/34 , H01J37/20
摘要： PROBLEM TO BE SOLVED: To provide a method for imparting electroconductivity to a nonconductive sample so as to obtain a clear SEM image even when the sample is observed at high magnification, and to provide a method for observing the nonconductive sample.
SOLUTION: The method for imparting electroconductivity to the nonconductive sample includes coating electroconductive particles on the nonconductive sample to form a film with a thickness of 5 nm or less. The electroconductive particles include primary particles with diameters of 3 nm or smaller, and are made from at least one material preferably selected from among platinum, gold and tungsten. The observation method includes observing the nonconductive sample which has been treated with the above method, with a scanning electron microscope.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种赋予非导电性试样的导电性的方法，以便即使在高倍率下观察样品时也能获得清晰的SEM图像，并提供观察非导电性试样的方法。解决方案：向非导电样品赋予导电性的方法包括在非导电样品上涂覆导电颗粒以形成厚度为5nm或更小的膜。导电颗粒包括直径为3nm或更小的一次颗粒，并且由至少一种优选选自铂，金和钨的材料制成。观察方法包括用扫描电子显微镜观察用上述方法处理的非导电样品。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2013092420A Cross-sectional sample preparation method for wet porous fiber 有权
标题翻译：湿多孔纤维的跨部分样品制备方法
公开(公告)号：JP2013092420A
公开(公告)日：2013-05-16
申请号：JP2011233911
申请日：2011-10-25
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： FUJII YASUYUKI
IPC分类号： G01N1/28 , G01N1/36
摘要： PROBLEM TO BE SOLVED: To provide a method to obtain the cross section of fiber in order to observe the inner structure of porous fiber in a wet state by SEM.SOLUTION: Provided is a method to obtain the cross section of fiber in order to observe the inner structure of porous fiber in a wet state, comprising the steps of: performing drying treatment to fiber; performing resin embedding treatment to the fiber subjected to the drying treatment; cross-sectionally processing the fiber subjected to the resin embedding treatment; and removing the embedded resin from the fiber subjected cross-sectionally processed, in this order.
摘要翻译：要解决的问题：提供一种获得纤维截面的方法，以便通过SEM观察湿态的多孔纤维的内部结构。解决方案：提供了获得纤维横截面以便观察湿态多孔纤维的内部结构的方法，包括以下步骤：对纤维进行干燥处理; 对经过干燥处理的纤维进行树脂包埋处理; 对经过树脂嵌入处理的纤维进行横截面加工; 并且依次进行横截面处理的纤维中去除嵌入树脂。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2009287146A Method for producing acrylonitrile-based precursor fiber 审中-公开
标题翻译：生产基于丙烯腈的前置纤维的方法
公开(公告)号：JP2009287146A
公开(公告)日：2009-12-10
申请号：JP2008142445
申请日：2008-05-30
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： MATSUMURA HIROKO , FUJII YASUYUKI , FUTAI TAKESHI
IPC分类号： D01F6/18 , D01D4/02 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a method by which an atmosphere of a gas layer between a discharge surface of a spinneret and a liquid surface of a coagulation bath is kept uniform without using a device for spinning of a complicated structure when spinning is carried out by a dry-jet wet spinning method and acrylonitrile-based precursor fibers having a dense surface and high homogeneity can be produced even when a spinning environment fluctuates.
SOLUTION: The method for producing the acrylonitrile-based precursor fibers includes a dope preparing step of dissolving an acrylonitrile-based polymer containing 90 mass% or more of acrylonitrile in a solvent, regulating the polymer concentration to 17-25 mass%, and keeping the spinning dope at 50-80°C, and a spinning step of discharging the spinning dope from the spinneret having 50 to 500 discharge holes having a hole diameter of 0.02-0.5 mm and disposed at a pitch between the holes of 0.5 to 3.5 mm at 0.2-20 g/h based on one discharge hole, running the dope through the gas layer having a distance from the discharge surface of the spinneret to the liquid surface of the coagulation bath of 2-25 mm, and then directly introducing the dope into the coagulation bath at a temperature of 0-30°C, and having a concentration of an organic solvent of 70-90 mass%.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种方法，其中喷丝板的喷出表面和凝固浴的液面之间的气体层的气氛保持均匀，而不需要在旋转时使用复杂结构的纺丝装置通过干式喷射湿式纺丝法进行，即使纺丝环境波动，也可以制造具有致密表面，高均匀性的丙烯腈系前体纤维。解决方案：制备丙烯腈基前体纤维的方法包括将溶剂中含有90质量％以上丙烯腈的丙烯腈系聚合物溶解在溶剂中的调色剂准备工序，将聚合物浓度调节为17〜25质量％并将纺丝原液保持在50-80℃，以及纺丝步骤，将具有50至500个孔径的喷丝头的纺丝原液排出至孔径为0.02-0.5mm的排出孔，并以0.5至0.5的间距设置至基于一个排出孔以0.2-20g / h的速度为3.5mm，通过从喷丝板的排出表面到凝固浴的液面的距离为2〜25mm的气体层，将涂料直接导入在0-30℃的温度下将其掺入凝固浴中，并且有机溶剂的浓度为70-90质量％。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009203317A Polyacrylonitrile-based polymer particle, and method for producing same 有权
标题翻译：聚丙烯酰基聚合物颗粒及其生产方法
公开(公告)号：JP2009203317A
公开(公告)日：2009-09-10
申请号：JP2008045944
申请日：2008-02-27
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： FUJII YASUYUKI , SHIMOZAWA NOBUYUKI , NIIMEN YUSUKE
IPC分类号： C08F220/48 , C08F2/18
摘要： PROBLEM TO BE SOLVED: To achieve a polyacrylonitrile-based polymer particle excellent in dispersibility and solubility, and to achieve a method for producing same. SOLUTION: The polyacrylonitrile-based polymer particle is obtained by polymerization of a monomer composition containing 95 mass% or more of acrylonitrile unit and 0.5 mass% or more of acrylamide unit. The polyacrylonitrile-based polymer particle consists of a core part with bulk density of 0.25-0.40 g/cm 3 and porosity of less than 20% and a peripheral part with porosity of 20% or more surrounding the core part. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得分散性和溶解性优异的聚丙烯腈类聚合物颗粒，并获得其制造方法。解决方案：聚丙烯腈类聚合物颗粒是通过聚合含有95质量％以上的丙烯腈单元和0.5质量％以上的丙烯酰胺单元的单体组合物而获得的。基于聚丙烯腈的聚合物颗粒由堆芯密度为0.25-0.40g / cm 3，SP值小于20％的芯部和围绕芯的孔隙率为20％以上的周边部分组成。部分。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2006200114A Acrylic fiber, method for producing the same and carbon fiber 有权
标题翻译：丙烯纤维，其制造方法和碳纤维
公开(公告)号：JP2006200114A
公开(公告)日：2006-08-03
申请号：JP2005358609
申请日：2005-12-13
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： MANABE TORU , SHIMIZU TATSUJI , KOTANI TOMOYUKI , SAITO TAKASHI , SUMIYA KAZUNOBU , FUJII YASUYUKI
IPC分类号： D01F6/54 , D01F6/18 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide acrylic fibers in which the dispersibility of carbon nanofibers is good and which can sufficiently exhibit various physical properties originating from the carbon nanofibers, to provide a method for producing the same, and to provide carbon fibers. SOLUTION: This acrylic fibers comprising an acrylonitrile-based polymer, carbon nanofibers and a dispersant are produced by extruding a spinning dope comprising the acrylonitrile-based polymer, the carbon nanofibers and the dispersant for the carbon nanofibers, and a solvent from a spinneret, and then solidifying the extruded dope. The acrylic fibers are calcined to obtain the carbon fibers. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供其中碳纳米纤维的分散性良好并能够充分发挥来自碳纳米纤维的各种物理性能的丙烯酸纤维，以提供其制备方法和提供碳纤维。解决方案：包括丙烯腈基聚合物，碳纳米纤维和分散剂的丙烯酸类纤维通过挤出包含丙烯腈基聚合物，碳纳米纤维和碳纳米纤维分散剂的纺丝原液和来自喷丝头，然后固化挤出的涂料。丙烯酸纤维被煅烧以获得碳纤维。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2004043993A Method for producing carbon fiber precursor and carbon fiber obtained from the carbon fiber precursor 审中-公开
公开(公告)号：JP2004043993A
公开(公告)日：2004-02-12
申请号：JP2002200199
申请日：2002-07-09
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： HOSOKAWA HIROSHI , MANABE TORU , KOSHIRAI ATSUNORI , FUJII YASUYUKI
IPC分类号： C01B31/02 , D01D5/36 , D01F8/08 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a technique for producing carbon fiber precursors having a high quality from the aggregate of filament-like carbon nanofibers in a high yield from an industrial technical view point, and to provide the carbon fibers.
SOLUTION: This method for producing the carbon fiber precursors comprises using a spinneret device sequentially comprising one or more island-forming nozzles, a sea-forming nozzle, and a collecting cell from the upper side, and spinning the spinning dope of a thermally decomposable and eliminable polymer and the spinning dope of a carbon fiber precursor polymer from the sea-forming nozzle and from an island-forming nozzle, respectively. Therein, the island-forming nozzle has an island component passage around each nozzle hole, and a distribution plate is disposed above the island-forming nozzle at a prescribed interval. The sea-forming nozzle has a sea component passage around each nozzle hole, and the island-forming nozzle is disposed above the sea-forming nozzle at a prescribed interval.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2004027434A Method for producing carbon fiber precursor fiber, carbon fiber and carbon nanofiber 审中-公开
公开(公告)号：JP2004027434A
公开(公告)日：2004-01-29
申请号：JP2002186595
申请日：2002-06-26
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： HOSOKAWA HIROSHI , MANABE TORU , KOSHIRAI ATSUNORI , FUJII YASUYUKI
IPC分类号： C01B31/02 , D01F6/18 , D01F6/40 , D01F6/54 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a carbon fiber precursor fiber capable of producing a carbon fiber which is a carbon nanofiber aggregate in a high quality and yield from an industrial engineering viewpoint, the carbon fiber and the carbon nanofiber.
SOLUTION: The method for producing the carbon fiber precursor comprises coating acrylonitrile-based particles with a pyrolytic polymer to provide core-shell polymer particles, dispersing these particles into a solvent to afford emulsion and spinning the emulsion.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2009041124A Dyeable polypropylene fiber 审中-公开
标题翻译：可聚合聚丙烯纤维
公开(公告)号：JP2009041124A
公开(公告)日：2009-02-26
申请号：JP2007205626
申请日：2007-08-07
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： FUJII YASUYUKI , YAMAMOTO HIROSHI , SHIMIZU YOSHISHIGE
IPC分类号： D01F6/46
摘要： PROBLEM TO BE SOLVED: To provide a polypropylene fiber in which a polyester composition is finely dispersed and which has a good dyeable property. SOLUTION: Provided are the dyeable polypropylene fiber having the following requirements (1) to (5), and its production method. Therein, (1) the diameter of the polyester composition in the fiber is 200 nm or less; (2) the degree of dispersion in the fiber is 60% or less; (3) the content of the polyester composition is 3 to 30 mass%; (4) the melting point of the polyester composition is 200°C or less; (5) the dispersing agent is contained in a range of 0.01 to 10 mass%. COPYRIGHT: (C)2009,JPO&INPIT

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