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    Carbon fiber bundle and manufacturing method of the same
    5.
    发明授权
    Carbon fiber bundle and manufacturing method of the same 有权
    碳纤维束及其制造方法相同

    公开(公告)号：US09506169B2

    公开(公告)日：2016-11-29

    申请号：US14383949

    申请日：2013-03-08

    Applicant: Teijin Limited

    Inventor： Takeshi Naito ,  Tsubasa Ono ,  Hiroshi Sakurai

    IPC: D01F11/14 ,  D06M15/59 ,  D01F9/14 ,  D04H3/002 ,  D04H3/04 ,  C08K7/06 ,  C09D177/06 ,  D06M101/40

    CPC classification number: D01F9/14 ,  C08K7/06 ,  C09D177/06 ,  D01F11/14 ,  D04H3/002 ,  D04H3/04 ,  D06M15/59 ,  D06M2101/40 ,  D06M2200/40 ,  D10B2101/12 ,  Y10T428/2918

    Abstract: The present invention relates to a carbon fiber bundle excellent in terms of adhesion to matrix resins and process handleability and less apt to suffer the shedding of the sizing agent in processing steps, the carbon fiber bundle being a carbon fiber bundle having a sizing agent adherent to the surface thereof, characterized in that the carbon fiber bundle includes a plurality of carbon fibers and the sizing agent includes a copolyamide resin, the copolyamide resin having both a specific polyamide component and nylon-6 and/or nylon-66 as repeating units and having a melting point of 180° C. or lower, the copolyamide resin preferably having a melting of 60 to 160° ,or a glass transition temperature of −20 to 50° C.

    Abstract translation: 本发明涉及在与基体树脂的粘合性和加工操作性方面优异的碳纤维束，并且在加工步骤中不太容易发生施胶剂的脱落，碳纤维束是具有粘合剂 其特征在于，所述碳纤维束包括多个碳纤维，所述上胶剂包括共聚酰胺树脂，所述共聚酰胺树脂具有特定的聚酰胺成分和尼龙-6和/或尼龙66作为重复单元，并且具有 熔点为180℃以下，共聚酰胺树脂的熔点优选为60〜160℃，玻璃化转变温度为-20〜50℃。

    Random Mat and Fiber-Reinforced Composite Material
    6.
    发明申请
    Random Mat and Fiber-Reinforced Composite Material 审中-公开
    随机垫和纤维增强复合材料

    公开(公告)号：US20150044455A1

    公开(公告)日：2015-02-12

    申请号：US14375961

    申请日：2013-01-31

    Applicant: Teijin Limited

    Inventor： Yuhei Konagai ,  Katsuyuki Hagihara ,  Takeshi Naito ,  Naoaki Sonoda

    IPC: C08J5/04

    CPC classification number: C08J5/042 ,  B29C70/12 ,  D04H1/4242 ,  Y10T428/268

    Abstract: There is provided a random mat including carbon fibers and a matrix resin, wherein the carbon fibers in the random mat have an average fiber length in a range of 3 mm to 100 mm, a fiber areal weight of the carbon fibers is 25 to 10,000 g/m2, the carbon fibers include a specific carbon fiber bundles having a specific opening degree in a specific amount per the total carbon fibers, and the specific carbon fiber bundles with a thickness of 100 μm or more are included in a ratio of less than 3% of the number of the total specific carbon fiber bundles.

    Abstract translation: 提供了包括碳纤维和基质树脂的无规毡，其中无规毡中的碳纤维的平均纤维长度在3mm至100mm的范围内，碳纤维的纤维面积重量为25至10,000g / m 2时，碳纤维包括具有特定开口度的特定碳纤维束，其特定开口度相对于总碳纤维为特定量，并且以小于3的比例包含厚度为100μm以上的特定碳纤维束 占总碳纤维束总数的百分比。

    Carbon Fiber Bundle and Manufacturing Method of the Same
    7.
    发明申请
    Carbon Fiber Bundle and Manufacturing Method of the Same 有权
    碳纤维束及其制造方法

    公开(公告)号：US20150025191A1

    公开(公告)日：2015-01-22

    申请号：US14383949

    申请日：2013-03-08

    Applicant: Teijin Limited

    Inventor： Takeshi Naito ,  Tsubasa Ono ,  Hiroshi Sakurai

    IPC: D01F9/14 ,  C08K7/06 ,  C09D177/06 ,  D06M15/59

    CPC classification number: D01F9/14 ,  C08K7/06 ,  C09D177/06 ,  D01F11/14 ,  D04H3/002 ,  D04H3/04 ,  D06M15/59 ,  D06M2101/40 ,  D06M2200/40 ,  D10B2101/12 ,  Y10T428/2918

    Abstract: The present invention relates to a carbon fiber bundle excellent in terms of adhesion to matrix resins and process handleability and less apt to suffer the shedding of the sizing agent in processing steps the carbon fiber bundle being a carbon fiber bundle having a sizing agent adherent to the surface thereof, characterized in that the carbon fiber bundle includes a plurality of carbon fibers and the sizing agent includes a copolyamide resin, the copolyamide resin having both a specific polyamide component and nylon-6 and/or nylon-66 as repeating units and having a melting point of 180° C. or lower, the copolyamide resin preferably having a melting point of 60 to 160° C., or a glass transition temperature of −20 to 50° C.

    Abstract translation: 本发明涉及在与基体树脂的粘合性和加工操作性方面优异的碳纤维束，并且在加工步骤中不太容易发生施胶剂脱落的碳纤维束，碳纤维束是具有粘合剂 其特征在于，所述碳纤维束包括多根碳纤维，所述上胶剂包括共聚酰胺树脂，所述共聚酰胺树脂具有特定的聚酰胺成分和尼龙-6和/或尼龙66作为重复单元，并具有 熔点为180℃以下，共聚酰胺树脂的熔点优选为60〜160℃，玻璃化转变温度为-20〜50℃。

    Random mat and fiber-reinforced composite material
    9.
    发明授权
    Random mat and fiber-reinforced composite material 有权

    公开(公告)号：US11021583B2

    公开(公告)日：2021-06-01

    申请号：US15901140

    申请日：2018-02-21

    Applicant: Teijin Limited

    Inventor： Yuhei Konagai ,  Katsuyuki Hagihara ,  Takeshi Naito ,  Naoaki Sonoda

    IPC: B29C70/12 ,  C08J5/04 ,  D04H1/4242

    Abstract: There is provided a random mat including carbon fibers and a matrix resin, wherein the carbon fibers in the random mat have an average fiber length in a range of 3 mm to 100 mm, a fiber areal weight of the carbon fibers is 25 to 10,000 g/m2, the carbon fibers include a specific carbon fiber bundles having a specific opening degree in a specific amount per the total carbon fibers, and the specific carbon fiber bundles with a thickness of 100 μm or more are included in a ratio of less than 3% of the number of the total specific carbon fiber bundles.

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