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11. 发明专利

JP2012188766A Carbon fiber precursor fiber bundle and carbon fiber bundle 有权
标题翻译：碳纤维预制纤维布和碳纤维布
公开(公告)号：JP2012188766A
公开(公告)日：2012-10-04
申请号：JP2011051547
申请日：2011-03-09
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： IKEDA KATSUHIKO , NAKAJIMA ATSUSHI , FUTAI TAKESHI , MATSUMURA HIROKO , SUMIYA KAZUNOBU , HIROTA NORIFUMI , KOTANI KAZUYUKI
IPC分类号： D01F6/18 , D01D4/02 , D01D5/253 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a carbon fiber precursor acrylic fiber bundle capable of attaining high operation stability in a burning process and improving strand strength and resin impregnability of a resultant carbon fiber bundle even when the number of total filaments is large.SOLUTION: A carbon fiber precursor acrylic fiber bundle of the present invention comprises mono filaments with a cross-section in the shape of a broad bean, mono filaments with an elliptical cross-section and mono filaments with a circular cross-section, and a ratio in number among these mono filaments falls within a specific range.
摘要翻译：要解决的问题：提供一种能够在燃烧过程中获得高操作稳定性并提高所得碳纤维束的线强度和树脂浸渍性的碳纤维前体丙烯酸纤维束，即使当总丝数较多时。解决方案：本发明的碳纤维前体丙烯酸纤维束包括横截面形状为蚕豆的单丝，具有椭圆截面的单丝和具有圆形横截面的单丝，这些单丝中的数量之比落在特定范围内。版权所有（C）2013，JPO＆INPIT

12. 发明专利

JP2011102454A Carbon fiber, acrylic fiber of carbon fiber precursor and method for producing the same 有权
标题翻译：碳纤维，碳纤维的丙烯腈纤维及其制造方法
公开(公告)号：JP2011102454A
公开(公告)日：2011-05-26
申请号：JP2009257994
申请日：2009-11-11
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： MATSUYAMA NAOMASA , FUTAI TAKESHI , HIROTA NORIFUMI , MATSUMURA HIROKO
IPC分类号： D01F6/18 , D01F9/22 , D01F11/14 , D06M11/83
摘要： PROBLEM TO BE SOLVED: To provide a carbon fiber having high strength and high modulus, to provide an acrylic fiber of a carbon fiber precursor, and to provide a method for producing the acrylic fiber. SOLUTION: The acrylic fiber of the carbon fiber precursor is regulated so that the iron content present in the acrylic fiber of the carbon fiber precursor may be ≤2.0×10 -6 g/g, and the attached amount of the iron may be ≤1.0×10 -6 g/g. The method for producing the acrylic fiber includes a raw material-cleaning step for bringing an acrylonitrile polymer solution into contact with a material having an ion-exchanging ability with the iron ion, a spinning step for spinning the acrylonitrile polymer solution treated in the raw material-cleaning step, an oil raw material-cleaning step for bringing an oil composition and/or water into contact with the material having the ion-exchanging ability with the iron ion, a dispersion-preparing step for preparing the oil dispersion by mixing the oil composition with the water, and a step for impregnating the fiber obtained in the spinning step with the oil dispersion to allow the oil composition to be attached to the fiber. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供具有高强度和高模量的碳纤维，以提供碳纤维前体的丙烯酸纤维，并提供一种制备丙烯酸纤维的方法。解决方案：调节碳纤维前体的丙烯酸纤维，使得碳纤维前体的丙烯酸纤维中存在的铁含量可以≤2.0×10 -6 SPF / g，铁的附着量可以≤1.0×10 -6 g / g。丙烯酸系纤维的制造方法包括使丙烯腈聚合物溶液与与铁离子具有离子交换能力的材料接触的原料清洗工序，将原料中处理的丙烯腈聚合物溶液纺丝的纺丝工序 - 清洗步骤，用于使油组合物和/或水与与铁离子具有离子交换能力的材料接触的油原料清洁步骤，通过将油混合来制备油分散体的分散体制备步骤与水的组成，以及用油分散体浸渍在纺丝步骤中获得的纤维以使油组合物附着在纤维上的步骤。版权所有（C）2011，JPO＆INPIT

13. 发明专利

JP2010150302A Method for producing acrylonitrile-based polymer 审中-公开
标题翻译：生产基于丙烯腈的聚合物的方法
公开(公告)号：JP2010150302A
公开(公告)日：2010-07-08
申请号：JP2008326852
申请日：2008-12-24
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： SHIBATANI HARUMI , FUTAI TAKESHI
IPC分类号： C08F220/44 , C08F2/38
摘要： PROBLEM TO BE SOLVED: To provide an acrylonitrile-based polymer reduced in impurity content by inhibiting post polymerization, by a continuous polymerization method using a redox type catalyst as an initiator.
SOLUTION: In a method for producing an acrylonitrile-based polymer, when polymerization is terminated in continuous polymerization using a redox type catalyst as an initiator, polymerization is terminated by using a chelating agent and a polymerization inhibitor at the same time, wherein the polymerization inhibitor comprises at least one selected from phenols, quinones, a nitroso compound, a sulfur compound and pyrazolones, which generate stable radicals, and the chelating agent is a compound containing oxalic acid.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：通过使用氧化还原型催化剂作为引发剂的连续聚合方法来提供通过抑制后聚合而减少杂质含量的丙烯腈类聚合物。解决方案：在制备丙烯腈基聚合物的方法中，当使用氧化还原型催化剂作为引发剂的连续聚合中终止聚合时，通过同时使用螯合剂和阻聚剂终止聚合，其中聚合抑制剂包括选自苯酚，醌，亚硝基化合物，硫化合物和吡唑啉酮中的至少一种，其产生稳定的自由基，螯合剂是含有草酸的化合物。版权所有（C）2010，JPO＆INPIT

14. 发明专利

JP2009293000A Method for producing acrylonitrile-based polymer particle 有权
标题翻译：生产基于丙烯腈的聚合物颗粒的方法
公开(公告)号：JP2009293000A
公开(公告)日：2009-12-17
申请号：JP2008150992
申请日：2008-06-09
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： FUTAI TAKESHI
IPC分类号： C08F220/44 , C08F2/16
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an acrylonitrile-based polymer particle of nanometer size without using an emulsifier, a dispersion stabilizer or the like. SOLUTION: The method for producing the acrylonitrile-based polymer particle, which contains 70-90 mass% acrylonitrile monomer unit and 10-30 mass% ionic monomer unit, includes a step of polymerizing a monomer mixture containing an acrylonitrile monomer unit and an ionic monomer unit under such a condition that a mass ratio of water to the monomer mixture is ≥17. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种不使用乳化剂，分散稳定剂等来制造纳米尺寸的丙烯腈类聚合物颗粒的方法。解决方案：含有70-90质量％丙烯腈单体单元和10-30质量％离子单体单元的丙烯腈系聚合物粒子的制造方法包括使含有丙烯腈单体单元的单体混合物和在水与单体混合物的质量比≥17的条件下的离子单体单元。版权所有（C）2010，JPO＆INPIT

15. 发明专利

JP2003287628A Optical fiber 审中-公开
标题翻译：光纤
公开(公告)号：JP2003287628A
公开(公告)日：2003-10-10
申请号：JP2002090966
申请日：2002-03-28
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： TONAMI TSUNESUKE , FUTAI TAKESHI
IPC分类号： G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber having high durability and excellent bending resistance even when the fiber is held under tension such as in a wound state on a bobbin. SOLUTION: The optical fiber has at least one coating layer concentrically applied around the core. At least one layer in the coating layers comprises a copolymer composed of an aromatic polyester component (A) by 99 to 10 wt.% and a polyorganosiloxane component (B) by 1 to 90 wt.%. The aromatic polyester component (A) contains at least either polyester (a-1) comprising an aromatic dicarboxylic acid unit and at least one kind of diol unit selected from divalent phenol, lower aliphatic diol and alicyclic diol or polyester (a-2) comprising an aromatic hydroxycarboxylic acid unit, by ≥50 mass% in total. The polyorganosiloxane component (B) comprises a compound unit expressed by formula (1). COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：即使当纤维被保持在例如卷绕状态的线轴上的张力下时，也提供具有高耐久性和优异的抗弯曲性的光纤。解决方案：光纤具有围绕芯部同心施加的至少一个涂层。涂层中的至少一层包括由99至10重量％的芳族聚酯组分（A）和1至90重量％的聚有机硅氧烷组分（B）组成的共聚物。芳族聚酯组分（A）至少含有包含芳族二羧酸单元的聚酯（a-1）和选自二价酚，低级脂族二醇和脂环族二醇或聚酯的至少一种二醇单元（a-2），其包含芳族羟基羧酸单位，总共≥50质量％。聚有机硅氧烷组分（B）包含由式（1）表示的化合物单元。版权所有（C）2004，JPO

16. 发明专利

JP2015030942A 炭素繊維用アクリロニトリル前駆体繊維束及びその製造方法审中-公开
标题翻译：用于碳纤维的丙烯腈前体纤维布及其制造方法
公开(公告)号：JP2015030942A
公开(公告)日：2015-02-16
申请号：JP2013162223
申请日：2013-08-05
申请人：三菱レイヨン株式会社 , Mitsubishi Rayon Co Ltd
发明人： KOGAME AKIYOSHI , FUTAI TAKESHI , YOSHIMORI TOMOTAKA , HASHIMOTO HIROSHI , SUGIURA NAOKI
IPC分类号： D06M15/643 , D01F6/18
摘要：【課題】高い機械的特性を有する炭素繊維が得られる炭素繊維用アクリロニトリル前駆体繊維束を提供する。【解決手段】シリコーン化合物を含む油剤が付着した、単繊維繊度が0.5dtex以上1.0dtex以下の炭素繊維用アクリロニトリル前駆体繊維束であって、シリコーン化合物が浸透した部分の前駆体繊維の緻密化度合及びシリコーン化合物の浸透量に関する所定の条件を満たす炭素繊維用アクリロニトリル前駆体繊維束。【選択図】なし
摘要翻译：要解决的问题：提供一种能够获得具有高机械性能的碳纤维的碳纤维的丙烯腈前体纤维束。解决方案：提供一种碳纤维的丙烯腈前体纤维束，该纤维束与含有硅酮化合物的油剂和单纤维纤度为0.5〜1.0dtex，满足关于在硅氧烷化合物浸渍的部分中的前体纤维的致密化程度和硅酮化合物的浸渍量的规定条件。

17. 发明专利

JP2013044057A Acrylonitrile-based polymer solution, method for producing the same and method for producing carbon fiber precursor acrylonitrile-based fiber 有权
标题翻译：基于丙烯腈的聚合物溶液，其制造方法和用于生产碳纤维前体丙烯酰基纤维的方法
公开(公告)号：JP2013044057A
公开(公告)日：2013-03-04
申请号：JP2011180697
申请日：2011-08-22
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： MATSUYAMA NAOMASA , IRIE YOSHIKO , HIROTA NORIFUMI , FUTAI TAKESHI
IPC分类号： D01F6/18 , D01D5/06
摘要： PROBLEM TO BE SOLVED: To provide an acrylonitrile-based polymer solution from which a carbon fiber having high strength is obtained; a method for producing the same; and a method for producing a carbon fiber precursor acrylonitrile-based fiber using the polymer solution.SOLUTION: The acrylonitrile-based polymer solution is a solution in which an acrylonitrile-based polymer that comprises 95.0 mass% or more but 99.0 mass% or less of acrylonitrile monomer units and 1.0 mass% or more but 5.0 mass% or less of vinyl monomer units including carboxylic acid capable of copolymerization with the acrylonitrile monomer units are dissolved in a solvent. A concentration of the acrylonitrile-based polymer in the polymer solution is 18 mass% or more but 26 mass% or less, and the absorbance thereof calculated by a method defined in a description is 40 or more but 50 or less. The method for producing the acrylonitrile-based polymer solution and the method for producing the carbon fiber precursor acrylonitrile-based fiber are also disclosed.
摘要翻译：要解决的问题：提供一种丙烯腈系聚合物溶液，由此获得具有高强度的碳纤维; 其制造方法; 以及使用该聚合物溶液制造碳纤维前体丙烯腈系纤维的方法。解决方案：丙烯腈系聚合物溶液是丙烯腈系聚合物的丙烯腈系聚合物的丙烯腈单体单元95.0质量％以上且99.0质量％以下且1.0质量％以下且5.0质量％以下包含能够与丙烯腈单体单元共聚的羧酸的乙烯基单体单元溶解在溶剂中。丙烯腈类聚合物在聚合物溶液中的浓度为18质量％以上且26质量％以下，通过描述中定义的方法计算的吸光度为40以上且50以下。还公开了制备丙烯腈类聚合物溶液的方法和碳纤维前体丙烯腈系纤维的制造方法。版权所有（C）2013，JPO＆INPIT

18. 发明专利

JP2012211410A Quality control method of carbon fiber precursor acrylic fiber 审中-公开
标题翻译：碳纤维前驱体丙烯纤维的质量控制方法
公开(公告)号：JP2012211410A
公开(公告)日：2012-11-01
申请号：JP2011077415
申请日：2011-03-31
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： FUTAI TAKESHI , HIROTA NORIFUMI , MATSUYAMA NAOMASA , OKUYA TAKAHIRO , MATSUMURA HIROKO
IPC分类号： D01F9/22 , D01F6/18 , G01N21/27
摘要： PROBLEM TO BE SOLVED: To provide a more simple method for distinguishing a carbon fiber precursor fiber that contains an iron element in an amount that causes a decline in strength.SOLUTION: The quality control method of a carbon fiber precursor acrylic fiber includes at least the following steps (1) to (5): (1) a step of burning a carbon fiber precursor acrylic fiber that contains less than 0.5 ppm of iron and a carbon fiber precursor acrylic fiber that contains 0.5 ppm or more of iron under the same burning condition to obtain carbon fibers; (2) a step of obtaining strand strength of respective fibers obtained in the step (1) to determine the iron content with which the strength lowering rate of the strand strength of a carbon fiber obtained by burning the carbon fiber precursor acrylic fiber that contains 0.5 ppm or more of iron to the strand strength of a carbon fiber obtained by burning the carbon fiber precursor acrylic fiber that contains less than 0.5 ppm of iron becomes 0.5% or more and 20% or less; (3) a step of applying a heat treatment to the carbon fiber precursor acrylic fiber that contains less than 0.5 ppm of iron and the carbon fiber precursor acrylic fiber that contains iron such that the strength lowering rate becomes 0.5% or more and 20% or less under the same conditions, at a temperature of 180 to 300°C and for 1 to 20 minutes; (4) a step of obtaining a color difference of the heat treated fibers obtained in the step (3) by a color difference meter; and (5) a step of detecting a process failure based on the color difference obtained in the step (4).
摘要翻译：要解决的问题：提供一种用于区分含有铁元素的碳纤维前体纤维的量的导致强度下降的更简单的方法。解决方案：碳纤维前体丙烯酸纤维的质量控制方法至少包括以下步骤（1）至（5）：（1）将含有小于0.5ppm的碳纤维前体丙烯酸纤维的步骤铁和碳纤维前体丙烯酸纤维，其在相同燃烧条件下含有0.5ppm或更多的铁以获得碳纤维; （2）获得步骤（1）中获得的各纤维的股线强度的步骤，以确定通过将含有0.5的碳纤维前体丙烯酸类纤维燃烧而获得的碳纤维的股线强度的强度降低率确定的铁含量通过燃烧含有小于0.5ppm的铁的碳纤维前体丙烯酸系纤维而获得的碳纤维的线强度的ppm以上的铁为0.5％以上且20％以下，（3）对含有小于0.5ppm的铁的碳纤维前体丙烯酸系纤维和含有铁的碳纤维前体丙烯酸系纤维进行热处理，强度降低率为0.5％以上20％以下的工序; 在相同条件下，在180〜300℃的温度下进行1〜20分钟; （4）通过色差计获得步骤（3）中得到的热处理纤维的色差的步骤; 和（5）基于步骤（4）中获得的色差来检测处理故障的步骤。版权所有（C）2013，JPO＆INPIT

19. 发明专利

JP2006274047A Particle having multilayer structure and flexible resin composition 审中-公开
标题翻译：具有多层结构和柔性树脂组成的颗粒
公开(公告)号：JP2006274047A
公开(公告)日：2006-10-12
申请号：JP2005095271
申请日：2005-03-29
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： FUTAI TAKESHI
IPC分类号： C08F265/06 , C08K3/34 , C08L51/00
摘要： PROBLEM TO BE SOLVED: To provide a particle having a multilayer structure excellent in tear resistance and capable of obtaining a molded article which does not generate a poisonous gas during production or disposal, and a flexible resin composition.
SOLUTION: The particle having a multilayer structure has at least one layer of each of a hard resin layer having a glass transition temperature of greater than 25 °C and a flexible resin layer having a glass transition temperature of 25 °C or less and has the hard resin layer in the innermost layer. All the hard resin layers and flexible resin layers contain a polymer of an ethylenic unsaturated hydrocarbon and at least one layer of all the hard resin layers and flexible resin layers contains a clay mineral. The polymer of an ethylenic unsaturated hydrocarbon preferably contains, as a specific content range, a unit of an alkyl methacrylate having a 1-4C alkyl group, a unit of a 1-8C alkyl acrylate and a unit of other copolymerizable monomer.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的耐撕裂性的多层结构的颗粒，并且能够获得在生产或处理过程中不产生有毒气体的模塑制品和柔性树脂组合物。解决方案：具有多层结构的颗粒具有至少一层玻璃化转变温度大于25℃的硬树脂层和玻璃化转变温度为25℃以下的柔性树脂层的至少一层并且在最内层具有硬树脂层。所有硬树脂层和柔性树脂层均含有烯属不饱和烃的聚合物，并且至少一层所有硬树脂层和柔性树脂层含有粘土矿物。烯属不饱和烃的聚合物优选含有具有1-4C烷基的甲基丙烯酸烷基酯，丙烯酸1-8烷基酯单元和其它可共聚单体的单位的特定含量范围。版权所有（C）2007，JPO＆INPIT

20. 发明专利

JP2004099656A Polyester molding 审中-公开
公开(公告)号：JP2004099656A
公开(公告)日：2004-04-02
申请号：JP2002259992
申请日：2002-09-05
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： TOKUMIZU MAKOTO , FUTAI TAKESHI
IPC分类号： C08J5/00 , C08G81/00
摘要： PROBLEM TO BE SOLVED: To industrially provide a polyester molding having good heat resistance, good chemical resistance, and persistent transparency.
SOLUTION: The polyester molding is made of an elastomer which comprises a block copolymer containing structural units (A) mainly consisting of repeating units each having at least one ester bond and structural units (B) derived from a compound having a number-average molecular weight of 600-100,000 and having ester-forming functional groups on both ends. The elastomer has a compression set (according to JIS-K-6262) of 5-65% and a total light transmittance (according to JIS-K-7361-1) of 75% or higher.
COPYRIGHT: (C)2004,JPO

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