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1. 发明专利

JP2005264384A Lubricant for treating synthetic fiber and method for producing precursor fiber for producing carbon fiber 有权
标题翻译：用于处理合成纤维的润滑剂和用于生产碳纤维的前身纤维的方法
公开(公告)号：JP2005264384A
公开(公告)日：2005-09-29
申请号：JP2004079923
申请日：2004-03-19
申请人： Toray Ind Inc , 東レ株式会社
发明人： YAMASAKI KATSUMI , ENDO MAKOTO , OKISHIMA YUKI
IPC分类号： D01F11/06
摘要： PROBLEM TO BE SOLVED: To provide a lubricant for treating synthetic fiber excellent in emulsion stability and uniform pickup tendency to obtain high-grade synthetic fiber in high productivity, and to provide precursor fiber for producing carbon fiber enabling the accomplishment of high-performance carbon fiber and its operation stability to be made compatible with each other.
SOLUTION: The lubricant for treating synthetic fiber contains 40-100 wt.% of an emulsifier with 15-50 wt.% in residues after heated at 250°C for 2 h in air and 10 or greater but less than 20 in HLB number. The precursor fiber for producing carbon fiber is 0.1-5 wt.% in pickup of the lubricant.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种润滑剂，用于处理乳液稳定性优异的均匀拾取倾向的合成纤维，以高生产率获得高级合成纤维，并提供用于生产碳纤维的前体纤维，性能碳纤维及其操作稳定性相互兼容。解决方案：用于处理合成纤维的润滑剂含有40-100重量％的乳化剂，其中在空气中在250℃下加热2小时后，残余物中残留物中存在15-50重量％的乳化剂，10重量％以上但小于20重量％ HLB号码。用于生产碳纤维的前体纤维在润滑剂的拾取中为0.1-5重量％。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2004169198A Precursor fiber strand for carbon fiber and method for producing the same 审中-公开
标题翻译：用于碳纤维的前身纤维条及其制造方法
公开(公告)号：JP2004169198A
公开(公告)日：2004-06-17
申请号：JP2002333693
申请日：2002-11-18
申请人： Toray Ind Inc , 東レ株式会社
发明人： YAMASAKI KATSUMI , ENDO MAKOTO , OKISHIMA YUKI
IPC分类号： D06M15/643 , D01F6/18 , D01F9/22 , D06M101/28
摘要： PROBLEM TO BE SOLVED: To prevent adhesion of mutual single fibers and to provide high-strength carbon fibers with good productivity in production of a carbon fiber strand.
SOLUTION: A precursor fiber strand for the carbon fibers comprises a silicone compound, a nonsilicone liquid compound, a compatibilizing agent and an emulsifying agent. A finish oil having ≥0.25 logarithmic damping factor of a rigid body pendulum and ≥1.5 s
-1 reciprocal of oscillation period at 145°C measured by a free damping oscillation method of the pendulum is applied thereto. The carbon fiber strand is obtained by baking the precursor fiber strand for carbon fibers.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了防止相互单根纤维的粘合，并且在生产碳纤维股线时提供高生产率的高强度碳纤维。解决方案：用于碳纤维的前体纤维束包含硅氧烷化合物，非硅酮液体化合物，相容剂和乳化剂。施加了通过摆锤的自由阻尼振荡法测量的在145℃下具有≥0.25的刚体摆锤对数阻尼系数和≥1.5s -1 的振荡周期倒数的精油。通过将碳纤维的前体纤维束烘烤而获得碳纤维束。版权所有（C）2004，JPO

3. 发明专利

JP2008174846A Method for continuously producing carbon fiber 审中-公开
标题翻译：连续生产碳纤维的方法
公开(公告)号：JP2008174846A
公开(公告)日：2008-07-31
申请号：JP2007006602
申请日：2007-01-16
申请人： Toray Ind Inc , 東レ株式会社
发明人： OKISHIMA YUKI , ENDO MAKOTO , TANAKA FUMIHIKO
IPC分类号： D01F9/14 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a method for continuously producing a carbon fiber having an excellent workability and productivity, with which a flameproofing treatment and a carbonization treatment are continuously carried out without causing burning breakage and cut yarn in the end connection part of a carbon fiber precursor fiber bundle in a firing process.
SOLUTION: When connecting the starting part of a carbon fiber precursor fiber bundle to the end part of another carbon fiber precursor fiber bundle before a flameproofing treatment, the method for continuously producing a carbon fiber includes forming a binding knot of a fiber bundle not to generate heat at a flameproof temperature at least at a part at both or either of the starting part and the end part of the carbon fiber precursor fiber bundle, superimposing the starting part on the end part of the carbon fiber precursor fiber bundle, then interlacing the carbon fiber precursor fiber bundle with the fiber bundle not to generate heat at the flameproof temperature, mutually connecting the carbon fiber precursor fiber bundles and then firing the connected carbon fiber precursor fiber bundles.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种连续制造具有优异的加工性和生产率的碳纤维的方法，通过该方法连续进行防火处理和碳化处理，而不会在端部连接部分中引起燃烧断裂和切割纱线的碳纤维前体纤维束。解决方案：在进行隔爆处理之前将碳纤维母体纤维束的起始部分连接到另一碳纤维母体纤维束的端部时，连续制造碳纤维的方法包括：形成纤维束的结合结至少在碳纤维前体纤维束的起始部分和末端的两个部分或任何一个部分，在防火温度下不产生热量，将起始部分叠加在碳纤维前体纤维束的端部上，然后使碳纤维前体纤维束与纤维束交织，在隔热温度下不产生热量，相互连接碳纤维前体纤维束，然后烧结连接的碳纤维前体纤维束。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2004292987A Method for producing precursor fiber bundle of acrylic carbon fiber 审中-公开
标题翻译：生产丙烯腈纤维前纤纤维布的方法
公开(公告)号：JP2004292987A
公开(公告)日：2004-10-21
申请号：JP2003087230
申请日：2003-03-27
申请人： Toray Ind Inc , 東レ株式会社
发明人： OKISHIMA YUKI , YAMASAKI KATSUMI , ENDO MAKOTO
IPC分类号： D06M15/643 , D01F6/18 , D01F11/06
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a precursor fiber of an acrylic carbon fiber for providing the high-strength carbon fiber in good productivity.
SOLUTION: The method for producing the precursor fiber of the acrylic carbon fiber comprises carrying out a compacting treatment after imparting an oil by bringing a fiber bundle into contact with a hot roll having 110-150°C surface temperature until voids are disappeared, and heat-treating the compacted fiber bundle under a condition satisfying the formula [wherein, y is a contact time (sec) of the fiber bundle to the hot roll; and x is the surface temperature (°C) of the hot roll] in the method for producing the precursor fiber bundle of the acrylic carbon fiber by using an acrylic copolymer.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种制备丙烯酸碳纤维的前体纤维的方法，用于以高生产率提供高强度碳纤维。解决方案：丙烯酸碳纤维的前体纤维的制造方法包括通过使纤维束与表面温度为110-150℃的热辊接触而进行压实处理，直到空隙消失在满足式[其中，y为纤维束与热辊的接触时间（秒）]的条件下热处理压实的纤维束; 并且x是通过使用丙烯酸共聚物制备丙烯酸类碳纤维的前体纤维束的方法中的热辊的表面温度（℃）]。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2014125706A Carbon fiber and method of manufacturing carbon fiber 审中-公开
标题翻译：碳纤维和制造碳纤维的方法
公开(公告)号：JP2014125706A
公开(公告)日：2014-07-07
申请号：JP2012284228
申请日：2012-12-27
申请人： Toray Ind Inc , 東レ株式会社
发明人： NOGUCHI TOMOHISA , OKISHIMA YUKI , WATANABE FUMIYOSHI , ENDO MAKOTO
IPC分类号： D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a carbon fiber inhibiting reduction of specific gravity and improving elastic modulus, while using catalytic graphitization reaction capable of making high crystallization of a carbon fiber without a new facility.SOLUTION: A carbon fiber is obtained through a flame-resisting process and a carbonization process after obtaining carbon fiber precursor fiber by spinning a polyacrylonitrile-based polymer, and the polyacrylonitrile-based polymer is a polymer containing acrylonitrile and a salt of a group VIII metal and organic acid having a vinyl group, the carbon fiber having a degree of crystallinity A(%) and a specific gravity B(g/cm) satisfying following formulae (1) and (2). A>A(1) 0.95
摘要翻译：要解决的问题：提供一种抑制比重降低和提高弹性模量的碳纤维，同时使用能够在没有新设备的情况下进行碳纤维的高结晶的催化石墨化反应。解决方案：通过阻燃剂获得碳纤维，通过纺丝聚丙烯腈类聚合物得到碳纤维前体纤维后的耐磨处理和碳化处理，聚丙烯腈类聚合物是含有丙烯腈和Ⅷ族金属的盐和具有乙烯基的有机酸的聚合物，碳纤维具有满足下述式（1）和（2）的结晶度A（％）和比重B（g / cm）。 A（1）0.95

6. 发明专利

JP2014025019A Polyacrylonitrile-based polymer, and method for producing carbon fiber precursor fiber and carbon fiber 审中-公开
标题翻译：聚丙烯酰基聚合物及其制备方法，用于生产碳纤维前纤和碳纤维
公开(公告)号：JP2014025019A
公开(公告)日：2014-02-06
申请号：JP2012168130
申请日：2012-07-30
申请人： Toray Ind Inc , 東レ株式会社
发明人： NOGUCHI TOMOHISA , OKISHIMA YUKI , WATANABE FUMIYOSHI , ENDO MAKOTO
IPC分类号： C08F220/46 , D01F6/18 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a polyacrylonitrile-based polymer required for producing a carbon fiber precursor fiber in which catalyst metals are dispersed uniformly in high concentration to cause a catalytic graphitization reaction.SOLUTION: A polyacrylonitrile-based polymer contains acrylonitrile and a salt of an organic acid having a group VIII metal and a vinyl group.
摘要翻译：要解决的问题：提供一种生产碳纤维前体纤维所需的聚丙烯腈类聚合物，其中催化剂金属以高浓度均匀分散以引起催化石墨化反应。解决方案：聚丙烯腈基聚合物含有丙烯腈和具有VIII族金属和乙烯基的有机酸。

7. 发明专利

JP2009221647A Method for producing carbon fiber precursor fiber and carbon fiber 有权
标题翻译：生产碳纤维前纤和碳纤维的方法
公开(公告)号：JP2009221647A
公开(公告)日：2009-10-01
申请号：JP2009038922
申请日：2009-02-23
申请人： Toray Ind Inc , 東レ株式会社
发明人： TANAKA FUMIHIKO , ENDO MAKOTO , OKISHIMA YUKI
IPC分类号： D01F6/18 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a high-grade precursor fiber for carbon fibers which has little fuzz without impairing productivity, and to provide a method for stably producing a high-performance and high-grade carbon fiber even in a sinter step by using the high-grade precursor fiber for carbon fibers.
SOLUTION: The method for producing the precursor fiber for carbon fibers includes carrying out dry and wet spinning of a polyacrylonitrile-based polymer solution containing a polyacrylonitrile-based polymer wherein Mz/Mw, which represents the ratio of Z-average molecular weight (Mz) to weight average molecular weight (Mw), is not lower than 2.7 and having a viscosity at 50°C of 10-80 Pa s under conditions in which the air gap distance between a spinneret and a coagulation bath liquid level is 10-50 mm and the spinning draft is 2.5-15 by using the spinneret having an average pore pitch of 1.0-2.0 mm and an average pore diameter of 0.05-0.28 mm.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供一种在不损害生产率的情况下制造具有少量绒毛的碳纤维的高级前体纤维的方法，并且提供一种用于稳定地生产高性能和高等级碳纤维的方法在通过使用高级前体纤维用于碳纤维的烧结步骤中。解决方案：用于生产碳纤维前体纤维的方法包括对含有聚丙烯腈类聚合物的聚丙烯腈类聚合物溶液进行干法和湿法纺丝，其中Mz / Mw表示Z-平均分子量（Mz）至重均分子量（Mw）不低于2.7，在喷丝板和凝固浴液位之间的气隙距离为10°的条件下，在50℃下的粘度为10-80Pa·s 通过使用平均孔间距为1.0-2.0mm，平均孔径为0.05-0.28mm的喷丝头，纺丝通气量为2.5-15。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2014167039A Polyacrylonitrile-based polymer, carbon fiber precursor fiber, method for producing the same, and method for producing carbon fiber 审中-公开
标题翻译：聚丙烯腈系聚合物，碳纤维前体纤维，其制造方法和碳纤维的制造方法
公开(公告)号：JP2014167039A
公开(公告)日：2014-09-11
申请号：JP2013038527
申请日：2013-02-28
申请人： Toray Ind Inc , 東レ株式会社
发明人： NOGUCHI TOMOHISA , OKISHIMA YUKI , WATANABE FUMIYOSHI , ENDO MAKOTO
IPC分类号： C08F220/44 , D01F6/18
摘要： PROBLEM TO BE SOLVED: To provide a polyacrylonitrile-based polymer required for producing carbon fiber precursor fibers with high productivity, which have a catalytic metal uniformly dispersed therein at a high concentration and are capable of causing a catalyst graphitization reaction.SOLUTION: The polyacrylonitrile-based polymer contains as copolymerization components at least acrylonitrile (a) and a salt (b) which comprises an organic acid having a group VIII metal and a vinyl group and an organic acid having no vinyl group.
摘要翻译：要解决的问题：提供以高浓度均匀分散催化剂金属并能够引起催化剂石墨化反应的生产率高的碳纤维母体纤维所需的聚丙烯腈类聚合物。溶液：聚丙烯腈 - 至少含丙烯腈（a）和盐（b）的共聚成分含有VIII族金属和乙烯基的有机酸和不含乙烯基的有机酸。

9. 发明专利

JP2014159665A Method for producing carbon fiber bundle, and carbon fiber bundle 有权
标题翻译：生产碳纤维布的方法和碳纤维布
公开(公告)号：JP2014159665A
公开(公告)日：2014-09-04
申请号：JP2014010952
申请日：2014-01-24
申请人： Toray Ind Inc , 東レ株式会社
发明人： WATANABE JUN , HAYASHIDA KENGO , OKISHIMA YUKI , ISE MASASHI
IPC分类号： D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a carbon fiber which has both of high strand strength and high strand elastic modulus simultaneously and excellent quality and allows even the CFRP (carbon fiber-reinforced plastic) obtained by using an extremely small amount thereof to exhibit excellent mechanical strength.SOLUTION: A carbon fiber bundle has 300-600 mm of an average splittable distance, 5,900 MPa or higher strand strength, 320 GPa or higher strand elastic modulus, and 0.5-3 pieces/m of a single fiber breaking number. A method for producing the carbon fiber bundle comprises the steps of: flame-proofing a polyacrylonitrile precursor fiber bundle to obtain a flame-proofed fiber bundle; pre-carbonizing the flame-proofed fiber bundle to obtain a pre-carbonized fiber bundle which is untwisted substantially and has 150-500 mm of the average splittable distance; and carbonizing the pre-carbonized fiber bundle in an inert gas atmosphere and in a predetermined temperature range while exerting predetermined carbonization tension thereon to obtain the substantially-untwisted carbon fiber bundle.
摘要翻译：要解决的问题：为了提供同时具有高线股强度和高股弹性模量两者同时且质量优良的碳纤维，并且甚至通过使用极少量获得的CFRP（碳纤维增强塑料）显示出优异的机械强度。解决方案：碳纤维束具有300-600mm的平均可分离距离，5900MPa或更高的股线强度，320GPa或更高的股线弹性模量和0.5-3个/ m的单个纤维断裂数。制造碳纤维束的方法包括以下步骤：对聚丙烯腈前体纤维束进行阻燃以获得阻燃纤维束; 将阻燃纤维束预碳化以获得基本上解捻并且具有150-500mm的平均可分离距离的预碳化纤维束; 并在惰性气体气氛中和预定温度范围内对预碳化的纤维束进行碳化，同时在其上施加预定的碳化张力以获得基本上未卷曲的碳纤维束。

10. 发明专利

JP2008214562A Polyacrylonitrile polymer composition and process for producing carbon fiber 有权
标题翻译：聚丙烯腈聚合物组合物和生产碳纤维的方法
公开(公告)号：JP2008214562A
公开(公告)日：2008-09-18
申请号：JP2007056830
申请日：2007-03-07
申请人： Toray Ind Inc , 東レ株式会社
发明人： TANAKA FUMIHIKO , ENDO MAKOTO , OKISHIMA YUKI
IPC分类号： C08L33/20 , C08F2/00 , D01F6/18 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a polyacrylonitrile-based polymer composition suitable for the production of a precursor fiber for a carbon fiber that can increase not only a spinning speed but also a spinning draft ratio and to provide a process for producing the polyacrylonitrile polymer composition.
SOLUTION: The polyacrylonitrile polymer composition comprises two or more kinds of polyacrylonitrile polymers wherein the polyacrylonitrile polymer having an intrinsic viscosity of 6-20 is blended in an amount of 0.3-30 wt.% based on the total polymer, and the intrinsic viscosity of the total polymer is 1.0-2.3. The polyacrylonitrile polymer composition is produced by introducing a polymerization initiator into a monomer comprising acrylonitrile as the main component and polymerizing the monomer wherein the polymerization initiator is weighed and introduced in at least two stages and the ratio of an amount of the polymerization initiator introduced at the first stage to an amount of the polymerization initiator introduced at additional stages (the amount of the polymerization initiator introduced at the first stage / the amount thereof introduced at additional stages) is adjusted to not more than 0.1.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种适用于生产碳纤维前体纤维的聚丙烯腈类聚合物组合物，其不仅可以提高纺丝速度，而且可以提高纺丝牵伸比，并提供一种制备聚丙烯腈聚合物组合物。聚丙烯腈聚合物组合物包含两种或更多种聚丙烯腈聚合物，其中特性粘度为6-20的聚丙烯腈聚合物以基于聚合物的总量为0.3-30重量％的量共混，总聚合物的粘度为1.0-2.3。聚丙烯腈聚合物组合物是通过将聚合引发剂引入到以丙烯腈为主要成分的单体中，并将其中聚合引发剂称重并引入至少两个阶段的单体进行聚合而制备的，并且聚合引发剂的量与第一阶段到另外的阶段引入的聚合引发剂的量（在第一阶段引入的聚合引发剂的量/在另外的阶段引入的量）调节至不超过0.1。版权所有（C）2008，JPO＆INPIT

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