中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

21 records (took 0.017 seconds)

    Random Mat and Fiber-Reinforced Composite Material Shaped Product
    1.
    发明申请
    Random Mat and Fiber-Reinforced Composite Material Shaped Product 有权
    随机垫和纤维增强复合材料成型产品

    公开(公告)号：US20150203663A1

    公开(公告)日：2015-07-23

    申请号：US14417189

    申请日：2013-07-25

    Applicant: Teijin Limited

    Inventor： Naoaki Sonoda ,  Yuhei Konagai ,  Katsuyuki Hagihara

    IPC: C08K7/06

    CPC classification number: C08K7/06 ,  C08J5/047 ,  D04H1/4218 ,  D04H1/4242 ,  D04H1/4342 ,  D04H1/587

    Abstract: A random mat contains reinforcing fibers having an average fiber length of 3 to 100 mm and a thermoplastic resin, the reinforcing fiber contains reinforcing fiber bundle (A) defined as the bundle composed of the reinforcing fibers of a critical number of single fiber (defined by the following formula (1)) or more, an average thickness of the reinforcing fiber bundles (A) is 100 μm or less, and the number (n) of the reinforcing fiber bundles (A) per unit weight (g) of the reinforcing fibers satisfies the following formula (I): Critical number of single fiber=600/D (1) (wherein D is the average fiber diameter (μm) of the reinforcing fiber), and 0.65×104/L

    Abstract translation: 无机毡包含平均纤维长度为3〜100mm的增强纤维和热塑性树脂，该增强纤维含有增强纤维束（A），该增强纤维束（A）被定义为由临界数量的单纤维（由 下述式（1））以上，增强纤维束（A）的平均厚度为100μm以下，增强纤维束（A）的每单位重量（g）的增强纤维束（A）的数量 纤维满足下式（I）：单纤维的临界数= 600 / D（1）（其中，D是增强纤维的平均纤维直径（μm）），0.65×104 / L

    Random Mat and Fiber-Reinforced Composite Material
    2.
    发明申请
    Random Mat and Fiber-Reinforced Composite Material 有权
    随机垫和纤维增强复合材料

    公开(公告)号：US20130317161A1

    公开(公告)日：2013-11-28

    申请号：US13956417

    申请日：2013-08-01

    Applicant: Teijin Limited

    Inventor： Yuhei Konagai ,  Naoaki Sonoda ,  Noboru Okimoto ,  Katsuyuki Hagihara

    IPC: C08K3/04

    CPC classification number: C08K3/04 ,  B29B11/16 ,  B29C43/222 ,  B29C70/12 ,  C08J5/042 ,  C08J2300/22 ,  D04H1/4242 ,  D04H1/60 ,  D04H1/732

    Abstract: There is provided a random mat of the present invention including: reinforcing fibers having an average fiber length of 5 to 100 mm; and a thermoplastic resin, wherein a fiber areal weight of the reinforcing fibers is from 25 to 3,000 g/m2, for a reinforcing fiber bundle (A) including the reinforcing fibers equivalent to or more than a critical single fiber number defined by formula (1), a ratio of the reinforcing fiber bundle (A) to a total amount of the reinforcing fibers in the mat is from 30 vol % to less than 90 vol %, and an average number (N) of the reinforcing fibers in the reinforcing fiber bundle (A) satisfies formula (2): Critical single fiber number=600/D   (1) 0.7×104/D2

    Abstract translation: 提供本发明的无规毡，其包括：平均纤维长度为5〜100mm的增强纤维; 以及热塑性树脂，其中，对于包含等于或大于由式（1）定义的临界单纤维数的增强纤维的增强纤维束（A），增强纤维的纤维面积重量为25〜3,000g / m 2 ），增强纤维束（A）与垫子中的增强纤维的总量的比例为30体积％〜小于90体积％，增强纤维中的增强纤维的平均数（N） 束（A）满足式（2）：临界单纤维数= 600 / D（1）0.7×104 / D2

    Random mat and fiber-reinforced composite material
    7.
    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.

    Fiber-reinforced composite material
    9.
    发明授权
    Fiber-reinforced composite material 有权
    纤维增强复合材料

    公开(公告)号：US09580568B2

    公开(公告)日：2017-02-28

    申请号：US14052935

    申请日：2013-10-14

    Applicant: Teijin Limited

    Inventor： Katsuyuki Hagihara ,  Yuhei Konagai ,  Naoaki Sonoda ,  Masatomo Teshima

    IPC: C08K3/04 ,  B29C43/22 ,  C08J5/04

    CPC classification number: C08K3/04 ,  B29C43/222 ,  C08J5/042 ,  C08J2300/22 ,  C08J2377/02

    Abstract: There is provided a fiber-reinforced composite material is constituted by reinforcing fibers with an average fiber length of 5 mm to 100 mm and a thermoplastic resin, in which in a viscoelastic characteristic that is defined by following formulas (1) and (2), an average value in a range of −25° C. of the melting point of a matrix resin to +25° C. of the melting point of a matrix resin satisfies following formula (3): tan δ=G″/G′  (1) tan δ′=Vf×tan δ/(100−Vf)  (2) 0.01≦tan δ′≦0.2  (3) wherein G′ represents a storage modulus (Pa) of the fiber-reinforced composite material, G″ represents a loss modulus (Pa) of the fiber-reinforced composite material, and Vf represents a volume fraction (%) of the reinforcing fibers in the fiber-reinforced composite material.

    Abstract translation: 本发明的目的在于提供一种由增强纤维和热塑性树脂构成的纤维增强复合材料，其薄壁化，机械性能优异，并且可以提供各向同性成形品。 纤维增强复合材料由平均纤维长度为5mm〜100mm的增强纤维和由下式（1）和（2）定义的粘弹性特性的热塑性树脂构成，平均值 在基体树脂的熔点-25℃的范围内，基体树脂的熔点为+ 25℃，满足下式（3）：其中，G'表示纤维状树脂的储能模量（Pa） 增强复合材料，G“表示纤维增强复合材料的损耗模量（Pa），Vf表示纤维增强复合材料中的增强纤维的体积分数（％）。

Patent Agency Ranking