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1. 发明专利

JP2013044058A Method of producing acrylic fiber 审中-公开
标题翻译：生产丙烯纤维的方法
公开(公告)号：JP2013044058A
公开(公告)日：2013-03-04
申请号：JP2011180745
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： YOSHIMORI TOMOTAKA , TADA AKINARI
IPC分类号： D01F6/18 , D02J1/22
摘要： PROBLEM TO BE SOLVED: To provide a method of producing an acrylic fiber capable of suppressing thread breakage or fluff occurrence as well as having excellent process passableness of a spinning process even if a draw ratio in a spinning drawing process prior to a drying and compacting process exceeds 4 times, the method being suitable for stably producing high grade carbon fiber at low cost even if an overall draw ratio after the drying and compacting process exceeds 2 to 5 times.SOLUTION: A method of producing an acrylic fiber comprises the following steps in the following order: a spinning and drawing process in which a dope extruded from a nozzle is drawn in air and a coagulation bath; a first drawing process to draw the dope in the coagulation bath or hot water; a heating and drawing process with a hot plate to draw the dope between the hot plate disposed at a position between a first supplying roll A and a first drawing roll B rotating at a speed faster than the first supplying roll A which are in contact with the dope; a press steam drawing process to further draw the dope in a pressurized steam between a second supplying roll C and a second drawing roll D, the second supplying roll C rotating at the same speed as or at a speed faster than the first drawing roll B, and the second drawing roll D rotating at a speed faster than the second supplying roll C.
摘要翻译：要解决的问题：提供一种能够抑制断线或绒毛发生的丙烯酸纤维的生产方法，并且即使在干燥之前的纺丝拉伸工艺中的拉伸比也具有优异的纺丝工艺的加工性能并且压实过程超过4次，该方法适合于以低成本稳定地生产高级碳纤维，即使干燥和压实过程之后的总拉伸比超过2-5倍。解决方案：制备丙烯酸纤维的方法按以下顺序包括以下步骤：将从喷嘴挤出的涂料在空气中和凝固浴中拉伸的纺丝和拉伸过程; 在凝固浴或热水中吸取涂料的第一个拉丝过程; 加热和拉伸过程，其具有加热板以在设置在第一供给辊A和第一牵引辊B之间的加热板之间拉动涂料，第一供给辊A和第一拉伸辊B以比第一供给辊A快的速度旋转，第一供给辊A与第一供给辊A接触涂料压制蒸汽拉伸工艺，以在第二供给辊C和第二拉伸辊D之间的加压蒸汽中进一步拉伸涂料，第二供给辊C以与第一拉伸辊B相同的速度或以比第一拉伸辊B快的速度旋转，并且第二拉伸辊D以比第二供给辊C快的速度旋转。版权所有：（C）2013，JPO＆INPIT

2. 发明专利

JP2008202188A Wet spinning apparatus and wet spinning method 有权
标题翻译：湿纺纱装置和湿纺丝方法
公开(公告)号：JP2008202188A
公开(公告)日：2008-09-04
申请号：JP2007042388
申请日：2007-02-22
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： IKEDA KATSUHIKO , HATANAKA YOJI , INADA HIROSHIGE , TADA AKINARI
IPC分类号： D01D5/06
摘要： PROBLEM TO BE SOLVED: To provide a wet spinning apparatus which can control the flow of a coagulating liquid to uniformize the concentration and temperature of the coagulating liquid in a spinning bath to produce fibers having good qualities and can uniformize the flow of the coagulating liquid to spin the fibers at a high speed, and to provide a wet spinning method.
SOLUTION: In the wet spinning apparatus, the spinning bath 2 has a coagulating bath portion 2a disposed at one end and a yarn-traveling portion 2b disposed at the other end, coagulating liquid-jetting openings 4a, 4b are disposed so that the extruded coagulating liquid C does not collide with the back side of the nozzle 5, two straightening plates 14a, 14b extended from one end to the other end in the spinning bath 2 are divided into an inner bath 23 for traveling the coagulated yarns 13 in the spinning bath 2 and outer bathes 24 on both sides, parts of both the straightening plates 14a, 14b formed in the coagulating bath portion 2a are disposed in close to the coagulated yarns 13 to gradually smoothly narrow from one end to the other end, and a part formed in the yarn-traveling portion 2b has an opening portion.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种湿纺丝装置，其能够控制凝固液体的流动，以使纺丝浴中的凝固液的浓度和温度均匀化，以制造具有良好品质的纤维，并且可以使凝固液体以高速旋转纤维，并提供湿法纺丝法。解决方案：在湿式纺丝装置中，纺丝浴2具有设置在一端的凝固浴部分2a和设置在另一端的纱线行进部分2b，凝固液体喷射开口4a，4b设置成挤出的凝固液C不与喷嘴5的背面碰撞，在纺丝浴2中从一端延伸到另一端的两个整流板14a，14b分成内槽23，用于将凝固纱13 两侧的纺丝浴2和外浴24，形成在凝固浴部2a中的两个矫正板14a，14b的部分设置在凝固纱13附近，从一端到另一端逐渐平滑地变窄，形成在纱线行进部2b中的部分具有开口部。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2011042920A Fiber bundle of carbon fiber precursor 有权
标题翻译：碳纤维前纤纤维布
公开(公告)号：JP2011042920A
公开(公告)日：2011-03-03
申请号：JP2010239554
申请日：2010-10-26
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： IKEDA KATSUHIKO , TADA AKINARI , SHIMOZAWA NOBUYUKI
IPC分类号： D01F6/18 , D01D11/04
摘要： PROBLEM TO BE SOLVED: To provide a fiber bundle of carbon fiber precursor which is low at a production cost and excellent in productivity, while having a little thread breakage and fluff generation even in producing large tow.
SOLUTION: The fiber bundle of carbon fiber precursor is used for producing a large tow carbon fiber bundle having a number of fibers of 48,000 or more. The fiber bundle of carbon fiber precursor is favorably produced by a method including: a process of relaxing a plurality of small tows at a relaxation rate of not less than 2% and not more than 10% by running a plurality of the small tows of carbon fiber precursor fiber in boiling water parallel; and a process of obtaining a collective tow by collecting the plurality of the small tows in such a manner that the adjacent small tows mutually overlap by a width of 5-50% at the end parts in the width direction of the plurality of the small tows using a curved guide.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种生产成本低且生产率优异的碳纤维前体纤维束，即使在生产大丝束的同时也具有小的断线和绒毛产生。解决方案：碳纤维前体的纤维束用于生产具有48,000或更多个纤维的大丝束碳纤维束。碳纤维前体的纤维束有利地通过以下方法制造：包括以下步骤：通过使多个小的碳纤维束运行，以不小于2％且不大于10％的松弛率来松弛多个小丝束纤维前体纤维在沸水中平行; 以及通过以这样的方式收集多个小丝束来获得集体丝束的过程，即相邻的小丝束在多个小束的宽度方向上的端部处相互重叠5-50％的宽度使用弯曲的导轨。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2008013869A Washing apparatus for spinneret 审中-公开
标题翻译：洗涤装置用于旋转
公开(公告)号：JP2008013869A
公开(公告)日：2008-01-24
申请号：JP2006184596
申请日：2006-07-04
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： TADA AKINARI , SHIMOZAWA NOBUYUKI , IKEDA KATSUHIKO
IPC分类号： D01D4/04 , B08B3/02 , B08B3/10
摘要： PROBLEM TO BE SOLVED: To provide a washing apparatus for a spinneret, which overcoms the drawbacks of related arts and obtains sufficient washed state of the spinneret having a small diameter, e.g. spinning hole diameter of ≤0.05 mm.
SOLUTION: The washing apparatus for a spinneret comprises a fluid pressurizing device (1) pressurizing a washing fluid, a fluid jetting device (2) jetting the fluid pressurized by the fluid pressurizing device (1), a fixing device (4) for fixing a spinneret (3) to be cleaned, and a driving position locating device (5) having a mechanism for fixing or reciprocating the fluid ejecting device (2) in parallel direction with the spinneret surface of the spinneret relative to the spinneret (3), wherein the fixing device (4) fixes the spinneret (3) to be cleaned so as to vibrate the spinneret surface by jetting the pressurized fluid to the spinneret.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于喷丝头的洗涤装置，其克服了相关技术的缺点，并获得具有小直径的喷丝头的充分洗涤状态，例如，纺丝孔直径≤0.05mm。解决方案：喷丝头的洗涤装置包括对洗涤液加压的流体加压装置（1），喷射由流体加压装置（1）加压的流体的流体喷射装置（2），固定装置（4）以及具有用于将流体喷射装置（2）与喷丝板的喷丝头表面相对于喷丝板（3）平行于其方向固定或往复运动的机构的驱动位置定位装置（5），用于固定待清洁的喷丝头（3）），其中定影装置（4）固定要清洁的喷丝板（3），以便通过将加压流体喷射到喷丝头来振动喷丝头表面。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2013159874A Method for manufacturing acrylic fiber bundle and steam drawing apparatus for the fiber bundle 有权
标题翻译：制造纤维布的丙烯纤维布和蒸汽拉丝装置的方法
公开(公告)号：JP2013159874A
公开(公告)日：2013-08-19
申请号：JP2012022325
申请日：2012-02-03
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： TADA AKINARI
IPC分类号： D02J1/22 , D01D10/00
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an acrylic fiber bundle excellent in process passableness without causing any problem even when the acrylic fiber bundle is subjected to large tension during steam drawing especially at high magnification, and a steam drawing apparatus for the fiber bundle.SOLUTION: A method for manufacturing an acrylic fiber bundle includes: introducing an acrylic fiber bundle 4 to a steam drawing machine 3; and before steam drawing, supplying steam to a direction opposite to a transfer direction of the acrylic fiber bundle 4 to plasticate the acrylic fiber bundle. As a preferable aspect, a thread line outlet of a steam box 1 may be directly connected with a thread line inlet of the steam drawing machine 3, and steam supplying means of the steam box 1 may include an inlet for the fiber bundle of the steam drawing machine 3.
摘要翻译：要解决的问题：即使丙烯腈纤维束在蒸汽拉伸过程中特别是在高倍率下受到大的张力，也提供了一种制造工艺过程优异的丙烯酸纤维束的方法，而不会引起任何问题，以及用于纤维的蒸汽拉伸装置聚丙烯腈纤维束的制造方法包括：将丙烯酸纤维束4引入蒸汽拉伸机3; 并且在蒸汽拉制之前，向与丙烯酸纤维束4的传送方向相反的方向供给蒸汽以使丙烯酸纤维束塑化。作为优选的方面，蒸汽箱1的螺纹出口可以与蒸汽拉伸机3的螺纹线入口直接连接，蒸汽箱1的蒸汽供给装置可以包括用于蒸汽的纤维束的入口拉丝机3。

6. 发明专利

JP2007092218A Fiber bundle of carbon fiber precursor and method for producing the same 有权
标题翻译：碳纤维前纤的纤维布及其制造方法
公开(公告)号：JP2007092218A
公开(公告)日：2007-04-12
申请号：JP2005281946
申请日：2005-09-28
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： IKEDA KATSUHIKO , TADA AKINARI , SHIMOZAWA NOBUYUKI
IPC分类号： D01F6/18 , D01D11/04
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a fiber bundle of a carbon fiber precursor at a low production cost in excellent productivity while hardly causing yarn break and generation of fluff even in the production of a large tow, and also to provide the fiber bundle of the carbon fiber precursor produced by the method. SOLUTION: The method for producing the fiber bundle of the carbon fiber precursor by doubling two or more small tows of the precursor fiber of the carbon fiber to provide an assembled tow of the precursor fiber of the carbon fiber comprises a step for relaxing the two or more small tows at a relaxing rate of ≥2% and ≤10% by parallelly running the two or more small tows in boiling water, and a step for obtaining the assembled tow by doubling the two or more small tows by using a bent guide so that the edge parts of the two or more small tows in the width direction may overlap on each other by 5-50% width. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题：提供一种以低生产成本制造碳纤维前体的纤维束的方法，其生产率优异，即使在大丝束的生产中也几乎不引起断纱和产生绒毛，并且还以提供通过该方法制备的碳纤维前体的纤维束。解决方案：通过将碳纤维的前体纤维的两个或更多个小丝束加倍以提供碳纤维的前体纤维的组装丝束来生产碳纤维前体的纤维束的方法包括放松的步骤所述两个或更多个小丝束通过在沸水中平行地运行两个或更多个小丝束而以≥2％和≤10％的松弛率进行放松，以及通过使用两个或更多个小丝束将两个或更多个小丝束加倍来获得组装的丝束的步骤弯曲引导件，使得两个或更多个小丝束在宽度方向上的边缘部分可以彼此重叠5-50％的宽度。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2011089217A Method for cleaning nozzle pack 审中-公开
标题翻译：清洁喷嘴包装的方法
公开(公告)号：JP2011089217A
公开(公告)日：2011-05-06
申请号：JP2009241611
申请日：2009-10-20
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： NAKAJIMA ATSUSHI , FUTAI TAKESHI , NIIMEN YUSUKE , IKEDA KATSUHIKO , TADA AKINARI
IPC分类号： D01D4/04 , B08B3/04
摘要： PROBLEM TO BE SOLVED: To provide a method for producing acrylic fibers stably without causing initial period yarn cutting, irrespective of the sizes of spinnerets.
SOLUTION: The method for cleaning a nozzle pack 8 includes the following steps (1) to (4): (1) Separating a nozzle pack into component members. (2) Washing and drying each of the members with a solvent and water sequentially. (3) Transferring each of the members to under an environment of air cleanliness class 1,000 or less, and cleaning the members with clear liquid. (4) Then, air-drying the members under an environment of air cleanliness class 1,000 or less, assembling them to form the nozzle pack under the environment, and closing opening parts with a film to complete the operation.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：无论喷丝头的尺寸如何，都能提供稳定地生产丙烯酸纤维的方法，而不会引起初始纱线切割。解决方案：用于清洁喷嘴组8的方法包括以下步骤（1）至（4）：（1）将喷嘴组分离成组件。（2）依次用溶剂和水洗涤和干燥每个构件。（3）在空气洁净度等级为1000以下的环境下，将各部件转移到清洁液中。（4）然后，在空气洁净度等级为1000以下的环境下对构件进行风干，在环境下组装形成喷嘴组，并用胶片封闭开口部分以完成操作。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2008280632A Method for producing precursor fiber bundle of carbon fiber 审中-公开
标题翻译：生产碳纤维前纤纤维布的方法
公开(公告)号：JP2008280632A
公开(公告)日：2008-11-20
申请号：JP2007124397
申请日：2007-05-09
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： TADA AKINARI , IKEDA KATSUHIKO
IPC分类号： D01F6/18 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a precursor fiber bundle of a carbon fiber, having high appearance quality with little defects by using a wet spinning method in high productivity.
SOLUTION: The method for producing the precursor fiber bundle of the carbon fiber includes a spinning step satisfying the following conditions (1) to (3): (1) the spinning dope is a solution obtained by dissolving an acrylonitrile-based polymer in dimethylacetamide so as to have 19-25 mass% concentration, wherein the acrylonitrile-based polymer contains ≥95 mass% acrylonitrile unit and has 1.5-2.5 intrinsic viscosity (η); (2) the spinning dope is extruded into an aqueous solution of dimethylacetamide having 55-69 mass% concentration at 35-43°C through a spinning cap to afford a coagulated yarn; and (3) the withdrawing tension of the obtained coagulated yarn is controlled within the range of 60-150 mg/filament.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：提供一种生产碳纤维的前体纤维束的方法，其通过以高生产率使用湿纺丝法，具有高的外观质量，几乎没有缺陷。＆lt; P＆gt;解决方案：碳纤维的前体纤维束的制造方法包括满足以下条件（1）〜（3）的纺丝工序：（1）纺丝原液是将丙烯腈系聚合物在二甲基乙酰胺中具有19-25质量％的浓度，其中丙烯腈系聚合物含有≥95质量％的丙烯腈单元，并且具有1.5-2.5的特性粘度（η）。（2）将纺丝原液通过旋转帽挤出成35-43℃浓度为55-69质量％的二甲基乙酰胺水溶液，得到凝固纱线; （3）将得到的凝结丝的拉伸张力控制在60〜150mg /长丝的范围内。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2007291580A Carbon fiber precursor acrylic fiber thread, and method and system for manufacturing the same 有权
标题翻译：碳纤维前身丙烯酸纤维丝及其制造方法和系统
公开(公告)号：JP2007291580A
公开(公告)日：2007-11-08
申请号：JP2006123649
申请日：2006-04-27
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： IKEDA KATSUHIKO , SHIMOTASHIRO ARIO , TADA AKINARI
IPC分类号： D01F6/18 , D01D10/00 , D01D11/00
摘要： PROBLEM TO BE SOLVED: To provide a high quality and inexpensive carbon fiber excellent in passage of processes by preventing interference, mixing of each adjacent thread in producing the carbon fiber precursor acrylic fiber threads. SOLUTION: The invention relates to the method for producing carbon fiber precursor acrylic fiber threads comprising spinning acrylonitrile based polymer and dry compacting the swelled fiber in swelling state, wherein slits are installed in the width direction of a pass for travelling the swelling thread in which solvent is removed by washing with water, to give bundling property to the threads by jetting fluids, and narrow width tow with uniform tow shape is obtained by a thread width regulating device regulating the width of the threads of the swelled fiber thread by the regulating plates installed on both sides of the passage of the travelling swelled fiber threads. The space of the regulating plates are preferably set as 30-60% of the thread width of the guiding threads and the preferable fluid is water, liquid containing oil solution or air. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供通过防止干扰，通过在生产碳纤维前体丙烯酸系纤维丝中的每个相邻的线的混合，在工艺通过方面优异的高质量和便宜的碳纤维。解决方案：本发明涉及生产碳纤维前体丙烯酸纤维丝的方法，其包括纺丝丙烯腈基聚合物并将其膨胀状态下的膨胀纤维进行干式压实，其中在宽度方向上安装狭缝，其中通过用水洗涤去除溶剂，通过喷射流体给出螺纹的捆扎性，并且通过螺纹宽度调节装置获得具有均匀丝束形状的窄幅丝束，该螺纹宽度调节装置通过调节纤维线膨胀的螺纹的宽度调节板安装在行进膨胀的纤维线的通道的两侧。调节板的空间优选设定为导丝的螺纹宽度的30-60％，优选的流体是包含油溶液或空气的水，液体。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2005113284A Pressurized steam drawing apparatus and method for producing acrylic fiber yarn 有权
标题翻译：加压蒸汽喷绘装置及其制造方法
公开(公告)号：JP2005113284A
公开(公告)日：2005-04-28
申请号：JP2003345728
申请日：2003-10-03
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： SHIMOZAWA NOBUYUKI , IKEDA KATSUHIKO , TADA AKINARI , SHIMOTASHIRO ARIO , HATA MASAHIRO , OKAMOTO MASAJI
IPC分类号： D02J1/22
摘要： PROBLEM TO BE SOLVED: To provide a drawing apparatus which can prevent the formation of fuzz, a process trouble and a drawing breakage, when a fiber bundle is steamed and drawn, can highly and stably maintain the quality of the fiber yarn, and is suitable for the practical production of the drawn fiber yarn, and to provide a method for producing an acrylic fiber yarn, which is suitable for the practical production of the acrylic fiber yarn having a high quality.
SOLUTION: This pressurized steam drawing apparatus for drawing a fiber bundle in a pressurized steam drawing chamber into which the pressurized steam is introduced is characterized by having a steam-blowing header for blowing out pressurized steam in the pressurized steam drawing chamber. The method for producing the acrylic fiber yarn, having a pressurized steam drawing process for drawing the acrylic fiber bundle with the pressurized steam, is characterized by performing a pressurized steam drawing process by drawing the acrylic fiber bundle with the above-mentioned pressurized steam drawing apparatus.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：为了提供一种能够防止纤维的形成，加工麻烦和断裂的拉丝装置，当纤维束被蒸煮时，可以高度稳定地保持纤维纱线的质量，并且适用于拉伸纤维纱线的实际生产，并且提供适用于高品质的丙烯腈纤维纱线的实际生产的丙烯腈纤维纱线的制造方法。解决方案：该加压蒸汽拉伸装置用于在被加压蒸汽引入的加压蒸汽抽出室中拉伸纤维束，其特征在于具有用于在加压蒸汽抽吸室中吹出加压蒸汽的蒸汽吹头。具有用加压蒸汽拉伸丙烯酸纤维束的加压蒸汽拉伸工艺的丙烯酸纤维纱线的制造方法的特征在于通过用上述加压蒸汽拉伸装置拉伸丙烯酸纤维束进行加压蒸汽拉伸处理。版权所有（C）2005，JPO＆NCIPI

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