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1. 发明专利

JP2014122439A Method for producing carbon fiber bundle and carbon fiber bundle obtained by the production method 有权
标题翻译：生产碳纤维布和生产方法获得的碳纤维布的方法
公开(公告)号：JP2014122439A
公开(公告)日：2014-07-03
申请号：JP2012278056
申请日：2012-12-20
申请人： Teijin Ltd , 帝人株式会社
发明人： ONO TSUBASA , NAITO TAKESHI , SAKURAI HIROSHI
IPC分类号： D06M15/59 , C08K9/04 , C08L101/00 , D06M15/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a reinforcing carbon fiber bundle, which has an improved impregnating property and handleability, and excellent workability, and which is most suitable for a composite.SOLUTION: Provided is a method for producing a reinforcing carbon fiber bundle comprising providing the fiber surface with a sizing agent, and drying by heating, wherein the sizing agent provided on the fiber surface contains fine particles having a 50% integration particle diameter Dof less than 0.25 μm and small particles having Dof 0.25 μm or more, and the temperature of drying by heating is higher than the melting point of the small particles. Further, it is preferable that a 90% integration particle diameter Dof the fine particles is less than 0.35 μm, that a 10% integration particle diameter Dof small particles is 0.05 μm or more, that the small particles comprises a thermoplastic resin, and that the fine particles comprise a thermoplastic resin. Further, it is preferable that the thermoplastic resin which forms the small particles and the fine particles is a polyamide resin, and it is preferable that the width of the carbon fiber bundle in the drying by heating step is 6 to 30 mm. Furthermore, it is preferable that the carbon fiber bundle is a continuous fiber and the carbon fiber bundle is a non-continuous fiber.
摘要翻译：要解决的问题：提供一种增强碳纤维束的制造方法，其具有改善的浸渍性和可操作性，并且具有优异的加工性，并且最适合于复合材料。解决方案：提供一种生产增强碳纤维束，其包括提供纤维表面的上浆剂和通过加热干燥，其中在纤维表面上提供的施胶剂含有具有小于0.25μm的50％整合粒径Dof的微粒和0.25μm以上的Dof的小颗粒，通过加热干燥的温度高于小颗粒的熔点。此外，优选的是，微粒的90％积分粒径D小于0.35μm，小颗粒的10％整合粒径D为0.05μm以上，小颗粒包含热塑性树脂，并且细颗粒包含热塑性树脂。此外，优选形成小颗粒的热塑性树脂和细颗粒是聚酰胺树脂，优选通过加热步骤干燥的碳纤维束的宽度为6至30mm。此外，优选碳纤维束为连续纤维，碳纤维束为非连续纤维。

2. 发明专利

JP2014040088A Random mat and fiber-reinforced composite material 审中-公开
标题翻译：随机MAT和纤维增强复合材料
公开(公告)号：JP2014040088A
公开(公告)日：2014-03-06
申请号：JP2013017818
申请日：2013-01-31
申请人： Teijin Ltd , 帝人株式会社
发明人： KONAGAI YUHEI , HAGIWARA KATSUYUKI , NAITO TAKESHI , SONODA NAOAKI
IPC分类号： B29B11/16
CPC分类号： C08J5/042 , B29C70/12 , D04H1/4242 , Y10T428/268
摘要： PROBLEM TO BE SOLVED: To provide a random mat for providing a fiber-reinforced composite material superior in tensile strength.SOLUTION: The random mat includes carbon fiber and a matrix resin. In the random mat, adhesion strength between the carbon fiber and the matrix resin evaluated by a strand tensile shearing test is 20 MPa or more, the carbon fiber in the random mat falls within a range of 3 mm-100 mm in average fiber length, Metsuke of the carbon fiber is 25-10000 g/m, at least one of a fiber bundle and single yarn being less than the critical single yarn number defined by the following formula (1) and a carbon fiber bundle (A) constituted of the critical single yarn number or more, exist in the random mat, a rate to the whole carbon fiber quantity of the random mat is 20 Vol%-99 Vol% on the carbon fiber bundle (A), and the average fiber number (N) in the carbon fiber bundle (A) satisfies the following formula (2). The critical single yarn number=600/D(1)0.6×10/D
摘要翻译：要解决的问题：提供一种用于提供抗拉强度优异的纤维增强复合材料的随机垫。解决方案：随机垫包括碳纤维和基体树脂。在无规毡中，通过线股拉伸剪切试验评价的碳纤维与基体树脂的粘合强度为20MPa以上，无机毡中的碳纤维的平均纤维长度为3mm〜100mm，碳纤维的电介质为25〜10000g / m，纤维束和单丝中的至少一种小于由下式（1）定义的临界单纱数和由下式（1）构成的碳纤维束（A）临界单纱数或更多，存在于随机垫中，碳纤维束（A）上无规毡的全碳纤维量为20体积％-99体积％，平均纤维数（N）在碳纤维束（A）中满足下式（2）。临界单纱数= 600 / D（1）0.6×10 / D

3. 发明专利

JP2013213209A Reinforcing fiber and reinforcing fiber bundle comprising the same 有权
标题翻译：加强纤维和增强纤维束，包括它
公开(公告)号：JP2013213209A
公开(公告)日：2013-10-17
申请号：JP2013046743
申请日：2013-03-08
申请人： Teijin Ltd , 帝人株式会社
发明人： SAKURAI HIROSHI , ONO TSUBASA , NAITO TAKESHI
IPC分类号： C08J5/06 , B29B15/14 , D06M15/59 , D06M101/40
CPC分类号： D01F9/14 , C08K7/06 , C09D177/06 , D01F11/14 , D04H3/002 , D04H3/04 , D06M15/59 , D06M2101/40 , D06M2200/40 , D10B2101/12 , Y10T428/2918
摘要： PROBLEM TO BE SOLVED: To provide reinforcing fibers which improve the impregnating ability of a matrix resin constituting a fiber resin composite material and enhance the mechanical properties of the composite material, and to provide a reinforcing fiber bundle excellent in workability and used for reinforcing resins.SOLUTION: Reinforcing fibers to whose surfaces a resin is adhered are characterized in that resin protrusions (A) and resin coating films (B) are present on at least the surfaces of the fibers; the thicknesses of the resin protrusions (A) are ≥10 nm; the length of the longest portion of the resin protrusions is
摘要翻译：要解决的问题：提供提高构成纤维树脂复合材料的基质树脂的浸渍能力并增强复合材料的机械性能的增强纤维，并且提供加工性优异且用于增强树脂的增强纤维束。解决方案：将树脂粘合到其表面上的纤维的特征在于，至少在纤维表面上存在树脂突起（A）和树脂涂膜（B）树脂突起（A）的厚度≥10nm; 树脂突起的最长部分的长度<10μm; 树脂涂膜（B）的厚度<10nm; 树脂涂膜覆盖了纤维表面的≥60％。此外，优选地，增强纤维的表面是细微的凹凸; 树脂突起（C）存在于凹凸表面的凹部中; 该树脂包括热塑性树脂或共聚酰胺作为主要成分。增强纤维优选为碳纤维。

4. 发明专利

JP2013119685A Opened carbon fiber bundle and method for producing the same 审中-公开
标题翻译：开放式碳纤维布及其制造方法
公开(公告)号：JP2013119685A
公开(公告)日：2013-06-17
申请号：JP2011268173
申请日：2011-12-07
申请人： Teijin Ltd , 帝人株式会社
发明人： ONO TSUBASA , NAITO TAKESHI
IPC分类号： D02J1/18 , D04H1/4242 , D06M15/227 , D06M15/53 , D06M101/40
摘要： PROBLEM TO BE SOLVED: To provide an opened carbon fiber bundle and a method for producing the same, and a carbon fiber product obtained from the opened carbon fiber bundle.SOLUTION: The method for producing the opened carbon fiber bundle comprises: applying a dispersion liquid that contains a surface active agent and comprises a sizing agent and water, to a carbon fiber bundle; drying the carbon fiber bundle so that a content of water becomes 1-20 pts.wt. with respect to 100 pts.wt. of a carbon fiber; and then subjecting the carbon fiber bundle to an opening process.
摘要翻译：待解决的问题：提供一种开放的碳纤维束及其制造方法，以及由开放的碳纤维束获得的碳纤维产品。解决方案：打开的碳纤维束的制造方法包括：将含有表面活性剂并含有上浆剂和水的分散液施加到碳纤维束上; 干燥碳纤维束，使水分含量达到1-20重量份。相对于100 pts.wt 的碳纤维; 然后对碳纤维束进行打开处理。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2013119684A Opened carbon fiber bundle and method for producing the same 审中-公开
标题翻译：开放式碳纤维布及其制造方法
公开(公告)号：JP2013119684A
公开(公告)日：2013-06-17
申请号：JP2011268172
申请日：2011-12-07
申请人： Teijin Ltd , 帝人株式会社
发明人： NAITO TAKESHI , ONO TSUBASA
IPC分类号： D06M15/227 , D02J1/18 , D04H1/4242 , D06M15/233 , D06M15/263 , D06M15/53 , D06M101/40
摘要： PROBLEM TO BE SOLVED: To provide an opened carbon fiber bundle and a method for producing the same, and a carbon fiber product obtained from the opened carbon fiber bundle.SOLUTION: The method for producing the opened carbon fiber bundle comprises: applying a dispersion liquid containing a sizing agent and water to a carbon fiber bundle; drying the carbon fiber bundle to remove water; and then subjecting the carbon fiber bundle to an opening process. The sizing agent contains a copolymerized polyolefin containing an aromatic vinyl compound and an acid and/or an acid anhydride, as a copolymerization component, and a nonionic surface active agent that is liquid at 20°C. A content of the nonionic surface active agent is 10 pts.wt. or more and less than 60 pts.wt. with respect to 100 pts.wt. of the copolymerized polyolefin.
摘要翻译：待解决的问题：提供一种开放的碳纤维束及其制造方法，以及由开放的碳纤维束获得的碳纤维产品。解决方案：打开的碳纤维束的制造方法包括：将含有上浆剂和水的分散液施加到碳纤维束上; 干燥碳纤维束去除水分; 然后对碳纤维束进行打开处理。上浆剂含有作为共聚成分的含有芳香族乙烯基化合物和酸和/或酸酐的共聚聚烯烃和在20℃下为液体的非离子表面活性剂。非离子表面活性剂的含量为10重量份或更多且小于60重量相对于100 pts.wt 的共聚聚烯烃。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2012219425A Sizing agent for carbon fiber, carbon fiber bundle and method for producing carbon fiber bundle 审中-公开
标题翻译：碳纤维纤维增强剂，碳纤维布和生产碳纤维布的方法
公开(公告)号：JP2012219425A
公开(公告)日：2012-11-12
申请号：JP2011090219
申请日：2011-04-14
申请人： Teijin Ltd , 帝人株式会社
发明人： ONO TSUBASA , NAITO TAKESHI
IPC分类号： D06M15/227 , D01F9/14 , D06M13/165 , D06M15/233 , D06M15/263 , D06M101/40
摘要： PROBLEM TO BE SOLVED: To provide a sizing agent for carbon fibers that is excellent in process stability during sizing treatment for carbon fibers and is used for a composite material of a thermoplastic resin such as polypropylene and a carbon fiber.SOLUTION: The sizing agent for carbon fibers contains a copolymerized polyolefin and a glycol ether based compound. The glycol ether based compound has a solubility in water at 20°C of 0-100 g, and the content of the glycol ether based compound is 15-2000 pts.wt. with respect to 100 pts.wt. of the copolymerized polyolefin solids.
摘要翻译：待解决的问题：提供一种在碳纤维的施胶处理中工艺稳定性优异的碳纤维用施胶剂，并且用于热塑性树脂如聚丙烯和碳纤维的复合材料。解决方案：用于碳纤维的上浆剂含有共聚聚烯烃和二醇醚类化合物。二醇醚类化合物在20℃的水中的溶解度为0〜100g，二醇醚类化合物的含量为15〜2000重量份。相对于100 pts.wt 的共聚聚烯烃固体。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012007280A Carbon fiber bundle and method for producing the same, and molded article from the same 审中-公开
标题翻译：碳纤维布及其制造方法，以及从其制成的制品
公开(公告)号：JP2012007280A
公开(公告)日：2012-01-12
申请号：JP2010166339
申请日：2010-07-23
申请人： Teijin Ltd , 帝人株式会社
发明人： NAITO TAKESHI , ISHIHARA KAORI , SATO MASARU , KANEKO TORU , HAGIWARA KATSUYUKI , ITO TAKASHI , SADANOBU JIRO
IPC分类号： D06M15/53 , B32B5/28 , B32B27/32 , C08J5/04 , C08J5/18 , C08K5/06 , C08K7/06 , C08L23/26 , D01F9/14 , D06M15/227 , D06M101/40
摘要： PROBLEM TO BE SOLVED: To provide a carbon fiber bundle having a composition applied thereto, which composition functions as a sizing agent excellent in adhesiveness to a thermoplastic resin matrix such as a polypropylene resin.SOLUTION: The carbon fiber bundle has a composition adhered to the surface of carbon fibers, which composition includes 100 pts.mass of a polyolefin modified with an acid and/or an acid anhydride and 0.1-50 pts.mass of a glycol ether-based compound. The amount of the composition adhered is 0.01-10 pts.mass based on 100 pts.mass of the carbon fiber bundle. There are also provided a random mat, a composite material and various molded articles made from the carbon fiber bundle.
摘要翻译：待解决的问题：为了提供具有应用组合物的碳纤维束，该组合物起到与热塑性树脂基质如聚丙烯树脂的粘合性优异的上浆剂的作用。解决方案：碳纤维束具有粘附到碳纤维表面的组成，该组成包括100重量份的用酸和/或酸酐改性的聚烯烃和0.1-50重量份的二醇醚类化合物。粘附的组合物的量为基于100磅碳纤维束的0.01-10磅。还提供了由碳纤维束制成的随机垫，复合材料和各种模制品。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2016003412A サイジング剤付着繊維束およびその製造方法审中-公开
公开(公告)号：JP2016003412A
公开(公告)日：2016-01-12
申请号：JP2014123442
申请日：2014-06-16
申请人： TEIJIN LTD
发明人： SAKURAI HIROSHI , KIMURA HIROSHI , NAITO TAKESHI
IPC分类号： D06M15/55 , B29B15/08 , C08G59/14 , C08K9/04 , C08L101/00 , D06M13/332 , D06M15/564
摘要：【課題】ランダムマット等の複合材料に最適な、風合いと収束性を満足するサイジング剤付着繊維束、およびその製造方法を提供すること。【解決手段】表面にサイジング剤が付着したサイジング剤付着繊維束であって、該サイジング剤がエポキシ化合物とアミン化合物の反応物であるアミンアダクトとポリウレタンとを含有するサイジング剤付着繊維束。さらには、アミンアダクトとポリウレタンとの重量配合比率が1:9〜9:1であることや、サイジング剤付着繊維束が炭素繊維束であることが好ましい。または、強化繊維から構成される繊維束の表面に、エポキシ化合物とアミン化合物の反応物であるアミンアダクトとポリウレタンエマルジョンとを含有する処理液を付着させ、乾燥させるサイジング剤付着繊維束の製造方法。及び、エポキシ化合物とアミン化合物の反応物であるアミンアダクトとポリウレタンエマルジョンとを含有する強化繊維用処理液。【選択図】なし

9. 发明专利

JP2013177705A Carbon fiber bundle and fiber-reinforced thermoplastic resin molded article using the carbon fiber bundle 有权
标题翻译：碳纤维布和纤维增强型热塑性树脂模制品使用碳纤维布
公开(公告)号：JP2013177705A
公开(公告)日：2013-09-09
申请号：JP2012041656
申请日：2012-02-28
申请人： Teijin Ltd , 帝人株式会社
发明人： SAKURAI HIROSHI , ONO TSUBASA , NAITO TAKESHI
IPC分类号： D06M15/333 , C08J5/04 , C08K3/20 , C08K5/05 , C08K7/06 , C08L29/04 , C08L101/12 , D06M15/21 , D06M15/507 , D06M15/513 , D06M15/59
摘要： PROBLEM TO BE SOLVED: To provide a carbon fiber bundle having superior adhesiveness with a thermoplastic resin.SOLUTION: The carbon fiber bundle is obtained by immersing a carbon fiber bundle in an emulsion prepared by dispersing water-dispersible polymer particles in a solution containing water and alcohol, and drying the carbon fiber bundle. A content of a surface active agent in the emulsion is less than 5 pts.wt. with respect to 100 pts.wt. of the water-dispersible polymer particles.
摘要翻译：要解决的问题：提供一种与热塑性树脂具有优异粘附性的碳纤维束。解决方案：通过将碳纤维束浸渍在通过将水分散性聚合物颗粒分散在含有水的溶液中制备的乳液中而获得碳纤维束，酒精和干燥碳纤维束。乳液中表面活性剂的含量小于5重量份。相对于100 pts.wt 的水分散性聚合物颗粒。

10. 发明专利

JP2014172998A Method for manufacturing a reinforcing fiber bundle 审中-公开
标题翻译：制造增强纤维布的方法
公开(公告)号：JP2014172998A
公开(公告)日：2014-09-22
申请号：JP2013046742
申请日：2013-03-08
申请人： Teijin Ltd , 帝人株式会社
发明人： SAKURAI HIROSHI , ONO TSUBASA , NAITO TAKESHI
IPC分类号： C08J5/06
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a reinforcing fiber bundle accompanied by scarce warpage and having a favorable openability, above all a reinforcing fiber bundle excellent in terms of homogeneity and optimal for random mats for fiber-resin composite materials.SOLUTION: In the provided method for manufacturing a reinforcing fiber bundle, an aqueous resin emulsion is applied to a reinforcing fiber bundle, and the treated bundle is subjected, after having been predried, to a compressing treatment using two support media and one or more compressing bodies positioned in-between the support media, whereas the temperature of the reinforcing fiber bundle at the time of the compressing treatment is equal to or higher than the glass transition point of the resin constituting the aqueous resin emulsion. It is desirable, furthermore, for the support medium or compressing body to be a rod-like body installed perpendicularly to the progress direction of the reinforcing fiber bundle or for the support medium or compressing body to be a rotor. Moreover, it is desirable for the width of the reinforcing fiber bundle to be expanded after the compressing treatment, for the reinforcing fiber bundle to be a carbon fiber bundle, or for the resin constituting the aqueous resin emulsion to include a thermoplastic resin as a main component.
摘要翻译：要解决的问题：提供一种伴随着翘曲变形且具有良好开放性的增强纤维束的制造方法，特别是纤维树脂复合材料的均匀性和随机垫优化的增强纤维束优选。解决方案：在所提供的增强纤维束的制造方法中，将水性树脂乳液施加到增强纤维束上，并且将经处理的束在预干燥之后进行使用两个支撑介质和一个或多个压缩体的压缩处理而在压缩处理时的增强纤维束的温度等于或高于构成水性树脂乳液的树脂的玻璃化转变温度。此外，还优选地，支撑介质或压缩体是垂直于增强纤维束的行进方向安装的杆状体，或者将支撑介质或压缩体作为转子。而且，压缩处理后的增强纤维束的宽度，作为碳纤维束的增强纤维束，构成水性树脂乳液的树脂的宽度优选为热塑性树脂为主要零件。

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