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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

JP2014122438A Method for producing reinforcing carbon fiber bundle and carbon fiber composite material using the same 有权
标题翻译：用于生产增强碳纤维布的方法和使用它的碳纤维复合材料
公开(公告)号：JP2014122438A
公开(公告)日：2014-07-03
申请号：JP2012278055
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 , C08J5/06 , C08K13/04 , C08L77/00 , D06M15/507 , D06M15/513
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a carbon fiber bundle which has improved handleability, has excellent workability while maintaining high physical properties and is most suitable for a carbon fiber composite material.SOLUTION: Provided is a method for producing a carbon fiber bundle in which the carbon fiber bundle is provided with a sizing liquid and treated by heating. The sizing liquid contains a resin component, and the resin component is a solid at 25°C and has a viscosity of less than 150 Pa s under conditions of a shear rate of 1216 sat a temperature of the heat treatment. Further, it is preferable that a texture value of the carbon fiber bundle after the heat treatment be 70 g or more but 200 g or less, that the resin component in the sizing liquid be a thermoplastic resin, and further, the resin component in the sizing liquid be a polyamide resin, a polyester resin, or a polycarbonate resin, that a coating weight of the sizing liquid to the carbon fiber bundle exceed 0.1 dry wt.%, that a temperature of the heat treatment be 120°C or higher, and that the temperature of the heat treatment be higher than the melting point of the resin component in the sizing liquid by 60°C or more.
摘要翻译：要解决的问题：提供一种具有改进的可操作性的碳纤维束的制造方法，具有优异的加工性，同时保持高的物理性能，并且最适合于碳纤维复合材料。解决方案：提供一种碳纤维的制造方法其中碳纤维束设置有上浆液并通过加热处理。上浆液含有树脂组分，树脂组分在25℃下为固体，在热处理温度为1216℃的剪切速率条件下具有小于150Pa·s的粘度。此外，热处理后的碳纤维束的织构值优选为70g以上且200g以下，上浆液中的树脂成分为热塑性树脂，另外，树脂成分上浆液为聚酰胺树脂，聚酯树脂或聚碳酸酯树脂，上浆液对碳纤维束的涂布重量超过0.1重量％，热处理温度为120℃以上，并且热处理的温度比施胶液中的树脂成分的熔点高60℃以上。

3. 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。

4. 发明专利

JP2013194338A Carbon fiber bundle and composite material formed by the same 有权
标题翻译：碳纤维布和由其组成的复合材料
公开(公告)号：JP2013194338A
公开(公告)日：2013-09-30
申请号：JP2012064047
申请日：2012-03-21
申请人： Teijin Ltd , 帝人株式会社
发明人： SAKURAI HIROSHI , ONO TSUBASA , NAITO TAKESHI
IPC分类号： D06M15/59 , B29B15/14 , D01F9/14 , D06M13/144 , D06M15/263 , D06M15/333 , D06M101/40
摘要： PROBLEM TO BE SOLVED: To provide a carbon fiber bundle for a reinforced fiber, which has superior workability and is suitably used for a fiber-reinforced composite material.SOLUTION: The carbon fiber bundle has a sizing agent deposited thereon which mainly comprises a polymer component containing at least a modified polyamide based polymer and/or a polyvinyl alcohol based polymer, and also has a hardness of 70 g or less. In addition, it is preferable that the sizing agent contains a surface active agent or vinyl ester, and is prepared by dissolving a polymer component in water and/or alcohol. Specifically, the carbon fiber bundle is suitably used for a method for manufacturing a composite material, which forms a random mat by using the carbon fiber bundle that is cut into a staple fiber with a length of 2-100 mm and a resin.
摘要翻译：要解决的问题：提供一种用于增强纤维的碳纤维束，其具有优异的可加工性并且适用于纤维增强复合材料。解决方案：碳纤维束具有沉积在其上的施胶剂，其主要包括聚合物组分至少含有改性聚酰胺类聚合物和/或聚乙烯醇类聚合物，硬度为70g以下。此外，优选上浆剂含有表面活性剂或乙烯基酯，并且通过将聚合物组分溶解在水和/或醇中来制备。具体地，碳纤维束适合用于通过使用切割成长度为2〜100mm的短纤维和树脂的碳纤维束形成无规毡的复合材料的制造方法。

5. 发明专利

JP2013119686A 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：JP2013119686A
公开(公告)日：2013-06-17
申请号：JP2011268175
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： D06M15/59 , D01F9/14 , 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 polyamide 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 polyamide.
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。上浆剂含有聚酰胺和在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 的聚酰胺。版权所有（C）2013，JPO＆INPIT

6. 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。

7. 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

8. 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

9. 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.

10. 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。

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