专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2010174161A Method for producing dispersion of polyacrylonitrile-based polymer for precursor fiber of carbon fiber 审中-公开
标题翻译：用于生产用于碳纤维前体纤维的基于聚丙烯腈的聚合物分散体的方法
公开(公告)号：JP2010174161A
公开(公告)日：2010-08-12
申请号：JP2009019359
申请日：2009-01-30
申请人： Toray Ind Inc , 東レ株式会社
发明人： SUDO MASASHI , SHIRAHASE AKIHIKO , ENDO MAKOTO
IPC分类号： C08F2/44 , C01B31/02 , C08K3/04 , C08L33/20 , D01F6/18 , D01F6/54 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a simple method for producing dispersion of polyacrylonitrile-based polymer for a precursor of carbon fiber wherein is dispersed carbon nanofiber uniformly.
SOLUTION: The method for producing dispersion of polyacrylonitrile-based polymer for a precursor of carbon fiber comprises a process to obtain a mixture containing a carbon nanofiber and a polyacrylonitrile-based polymer by bringing about radical polymerization in the presence of the carbon nanofiber in a mixture containing carbon nanofiber, acrylonitrile, radical polymerization initiator, and solvent, and to form a polyacrylonitrile-based polymer in the mixture, and a process to disperse after the polymerization the carbon nanofiber in the mixture.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供一种用于制备均匀分散碳纳米纤维的碳纤维前体的聚丙烯腈类聚合物分散体的简单方法。解决方案：用于制备碳纤维前体的聚丙烯腈类聚合物的分散体的方法包括通过在碳纳米纤维的存在下进行自由基聚合获得含有碳纳米纤维和聚丙烯腈类聚合物的混合物的方法在含有碳纳米纤维，丙烯腈，自由基聚合引发剂和溶剂的混合物中，并在混合物中形成聚丙烯腈类聚合物，以及在聚合后分散混合物中的碳纳米纤维的方法。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2012102422A Fiber, nonwoven fabric and carbonized nonwoven fabric, and method for producing them 审中-公开
标题翻译：纤维，非织造织物和碳化非织造织物及其制造方法
公开(公告)号：JP2012102422A
公开(公告)日：2012-05-31
申请号：JP2010250453
申请日：2010-11-09
申请人： Toray Ind Inc , 東レ株式会社
发明人： SHIRAHASE AKIHIKO , WATANABE FUMIYOSHI , ENDO MAKOTO
IPC分类号： D01D5/04 , D01F6/18 , D01F9/22 , D04H1/728 , D06C7/04
摘要： PROBLEM TO BE SOLVED: To provide a fiber, a nonwoven fabric and a carbonized nonwoven fabric, and a method for producing them, in which a fiber having a small fiber diameter can be easily spun by improving spinnability of a polymer solution, and further, handleability can also be improved by suppressing a bead-like defect in the obtained fiber or nonwoven fabric.SOLUTION: There is provided a method for producing a fiber by electrospinning a polymer solution. A fiber is obtained by electrospinning a polymer solution that has a rupture time at elongation of 0.05 seconds or more when the viscosity measured by a Brookfield viscometer is 100 mPa s or less, or a polymer solution that has a polydispersity (Mz/Mw) of 2.7-15 represented by a ratio of a z average molecular weight (Mz) to a weight average molecular weight (Mw) of a polymer constituting the polymer solution. There are provided a nonwoven fabric including the fiber and a method for producing the fiber and the nonwoven fabric.
摘要翻译：待解决的问题：为了提供纤维，无纺布和碳化无纺布及其制造方法，其中通过提高聚合物溶液的可纺性，可以容易地纺丝纤维直径小的纤维，此外，通过抑制所获得的纤维或无纺布中的珠状缺陷，还可以提高处理性。解决方案：提供了一种通过静电纺丝聚合物溶液来生产纤维的方法。或者通过布鲁克菲尔德粘度计测定的粘度为100mPa·s以下的聚合物溶液的静电纺丝时，其伸长时间为0.05秒以上的聚合物溶液，或多分散性（Mz / Mw）为 2.7-15由构成聚合物溶液的聚合物的平均分子量（Mz）与重均分子量（Mw）的比率表示。提供了包括纤维的无纺织物以及纤维和非织造织物的制造方法。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012017461A Polyacrylonitrile-based copolymer, method of manufacturing the same, carbon fiber precursor fiber, and carbon fiber 有权
标题翻译：基于聚丙烯腈的共聚物，其制备方法，碳纤维前体纤维和碳纤维
公开(公告)号：JP2012017461A
公开(公告)日：2012-01-26
申请号：JP2011126935
申请日：2011-06-07
申请人： Toray Ind Inc , 東レ株式会社
发明人： SHIRAHASE AKIHIKO , SUDO MASASHI , SAWAOKA RYUJI , ENDO MAKOTO
IPC分类号： C08F220/48 , C08F8/32 , D01F6/18 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a polyacrylonitrile-based copolymer simultaneously satisfying excellent flameproofing reaction promotion and excellent carbon fiber properties; and to provide a method for manufacturing carbon fiber.SOLUTION: The polyacrylonitrile-based copolymer is obtained by copolymerizing acrylonitrile with dimethylaminopropylacrylamide and/or dimethylaminopropylmethacrylamide, wherein when acrylonitrile is contained in ≥95 mol%, and dimethylaminopropylacrylamide and/or dimethylaminopropylmethacrylamide is contained in 0.05 to 2.5 mol%, the exothermic initiation temperature T as measured by a differential scanning calorimeter is preferably ≤210°C.
摘要翻译：要解决的问题：提供一种同时满足优异的隔爆反应促进性和优异的碳纤维性能的聚丙烯腈类共聚物; 并提供一种制造碳纤维的方法。聚丙烯腈类共聚物通过丙烯腈与二甲基氨基丙基丙烯酰胺和/或二甲基氨基丙基甲基丙烯酰胺共聚得到，其中当丙烯腈含量≥95摩尔％时，二甲基氨基丙基丙烯酰胺和/或二甲基氨基丙基甲基丙烯酰胺的含量为0.05〜2.5摩尔％时，放热通过差示扫描量热计测定的起始温度T优选为≤210℃。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011213773A Polyacrylonitrile-based polymer and carbon fiber 审中-公开
标题翻译：基于聚丙烯腈的聚合物和碳纤维
公开(公告)号：JP2011213773A
公开(公告)日：2011-10-27
申请号：JP2010080704
申请日：2010-03-31
申请人： Toray Ind Inc , 東レ株式会社
发明人： HAYASHIDA KENGO , SHIRAHASE AKIHIKO , ISE MASASHI
IPC分类号： C08F20/44 , C08F2/40 , D01F6/18 , D01F9/22
摘要： PROBLEM TO BE SOLVED: To provide a polymer which ensures high polymerization stability and drawability after yarn-making without spoiling productivity and processability and a method for producing the same.SOLUTION: The method for producing the polymer comprises polymerizing an acrylonitrile-based polymer by heat treating a solution comprising acrylonitrile, a radical polymerization initiator, a polymerization inhibitor, a component copolymerizable with acrylonitrile and a solvent, wherein a weight ratio (B/A) between the radical polymerization initiator (A) and the polymerization inhibitor (B) satisfies 2≤(B/A)
摘要翻译：要解决的问题：提供一种确保高的聚合稳定性和纱线制造后的可拉伸性而不破坏生产率和加工性的聚合物及其制造方法。溶液：聚合物的制备方法包括通过热量聚合丙烯腈基聚合物处理包含丙烯腈，自由基聚合引发剂，阻聚剂，可与丙烯腈和溶剂共聚的组分的溶液，其中自由基聚合引发剂（A）和聚合抑制剂（B）之间的重量比（B / A）满足2 ≤（B / A）<210，相对于溶液的总量，阻聚剂的使用量为10〜140ppm。

5. 发明专利

JP2012188790A Ultrafine carbon fiber and method for manufacturing the same 审中-公开
标题翻译：超细碳纤维及其制造方法
公开(公告)号：JP2012188790A
公开(公告)日：2012-10-04
申请号：JP2011055028
申请日：2011-03-14
申请人： Toray Ind Inc , 東レ株式会社
发明人： WATANABE FUMIYOSHI , SHIRAHASE AKIHIKO , ENDO MAKOTO
IPC分类号： D01F9/12 , D01F6/18 , D01F9/22 , H01B1/04 , H01M4/62
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide ultrafine carbon fiber having high conductivity and dispersibility and suitably used as a conduction assistant for power storage device.SOLUTION: Carbon fiber of the invention has a fiber diameter of 1 μm or less, a variation coefficient of the fiber diameter of 30% or less, an aspect ratio of 10 to 100 and a crystal face interval (d002) of 0.343 nm or more. A method for manufacturing this carbon fiber comprises a step of electrospinning polyacrylonitrile, and preferably further comprises subsequent steps of flame-proofing, carbonizing and pulverizing the spun polyacrylonitrile fiber.
摘要翻译：要解决的问题：提供具有高导电性和分散性的超细碳纤维，并且适合用作蓄电装置的导电助剂。解决方案：本发明的碳纤维的纤维直径为1μm以下，纤维直径的变异系数为30％以下，纵横比为10〜100，晶面间隔（d002）为0.343 nm以上。制造该碳纤维的方法包括静电纺丝聚丙烯腈的步骤，并且优选还包括随后的纺丝聚丙烯腈纤维的阻燃，碳化和粉碎步骤。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2012132121A Nonwoven fabric, method for manufacturing the same, and non-aqueous energy device using the same 审中-公开
标题翻译：非织造布，其制造方法和使用该非织造布的非水性能量装置
公开(公告)号：JP2012132121A
公开(公告)日：2012-07-12
申请号：JP2010285421
申请日：2010-12-22
申请人： Toray Ind Inc , 東レ株式会社
发明人： WATANABE FUMIYOSHI , SHIRAHASE AKIHIKO , ENDO MAKOTO
IPC分类号： D04H1/728 , D01D5/04 , D04H1/43 , H01G9/02 , H01M2/16
CPC分类号： Y02E60/13
摘要： PROBLEM TO BE SOLVED: To provide a nonwoven fabric suitable for a separator for a non-aqueous energy device excellent in heat resistance.SOLUTION: A nonwoven fabric comprises a polyacrylonitrile fiber, in which a fiber diameter is 1 μm or less, a void ratio is 50% or more and a shrinkage ratio at 200°C is 1% or less. A method for manufacturing the nonwoven fabric comprising the polyacrylonitrile fiber, includes obtaining the polyacrylonitrile fiber by electrospinning, and then subjecting heat treatment of 200-300°C to the nonwoven fabric without applying tensile force.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式