公开(公告)号：US20150203663A1

公开(公告)日：2015-07-23

申请号：US14417189

申请日：2013-07-25

申请人： Teijin Limited

发明人： Naoaki Sonoda ,  Yuhei Konagai ,  Katsuyuki Hagihara

IPC分类号： C08K7/06

CPC分类号： C08K7/06 ,  C08J5/047 ,  D04H1/4218 ,  D04H1/4242 ,  D04H1/4342 ,  D04H1/587

摘要： 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

摘要翻译： 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

公开(公告)号：US20130317161A1

公开(公告)日：2013-11-28

申请号：US13956417

申请日：2013-08-01

申请人： Teijin Limited

发明人： Yuhei Konagai ,  Naoaki Sonoda ,  Noboru Okimoto ,  Katsuyuki Hagihara

IPC分类号： C08K3/04

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

摘要： 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

摘要翻译： 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

公开(公告)号：US20180244875A1

公开(公告)日：2018-08-30

申请号：US15901140

申请日：2018-02-21

申请人： Teijin Limited

发明人： Yuhei Konagai ,  Katsuyuki Hagihara ,  Takeshi Naito ,  Naoaki Sonoda

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

CPC分类号： C08J5/042 ,  B29C70/12 ,  D04H1/4242 ,  Y10T428/268

摘要： 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.

公开(公告)号：US09909253B2

公开(公告)日：2018-03-06

申请号：US14439581

申请日：2014-06-25

申请人： Teijin Limited

发明人： Naoaki Sonoda ,  Takeru Ohki ,  Katsuyuki Hagihara

IPC分类号： D04H1/72 ,  D04H1/4242 ,  D06M101/40 ,  D06M15/513 ,  D21H17/55 ,  D04H1/54 ,  C08J5/04 ,  C08J5/06 ,  D21H13/50 ,  D21H17/53 ,  D21H19/72 ,  D04H1/60 ,  D04H1/732 ,  D21H15/02

CPC分类号： D06M15/513 ,  C08J5/043 ,  C08J5/06 ,  C08J2369/00 ,  C08J2377/00 ,  D04H1/4242 ,  D04H1/54 ,  D04H1/60 ,  D04H1/72 ,  D04H1/732 ,  D06M2101/40 ,  D21H13/50 ,  D21H15/02 ,  D21H17/53 ,  D21H17/55 ,  D21H19/72

摘要： There is provided a random mat including carbon fibers having an average fiber length of from 3 mm to 100 mm and a thermoplastic resin, wherein a fiber areal weight of the carbon fibers is from 25 to 10,000 g/m2, a proportion of carbon fiber bundles (A) constituted by single carbon filaments of a critical single fiber number or more defined by the formula (1) to the total amount of fibers in the random mat is from 40 to 99 Vol %, and an average number (N) of fibers in the carbon fiber bundles (A) satisfies the formula (2): critical single fiber number=600/D  (1) 2.0×105/D2≦N

公开(公告)号：US08946342B2

公开(公告)日：2015-02-03

申请号：US13956417

申请日：2013-08-01

申请人： Teijin Limited

发明人： Yuhei Konagai ,  Naoaki Sonoda ,  Noboru Okimoto ,  Katsuyuki Hagihara

IPC分类号： C08K3/04 ,  D04H1/4242 ,  B29B11/16 ,  B29C70/12 ,  C08J5/04 ,  B29C43/22 ,  D04H1/60 ,  D04H1/732

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

摘要： 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

摘要翻译： 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

公开(公告)号：US20150258762A1

公开(公告)日：2015-09-17

申请号：US14212230

申请日：2014-03-14

申请人： Teijin Limited

发明人： Katsuyuki Hagihara ,  Yuhei Konagai ,  Naoaki Sonoda

IPC分类号： B32B37/15

CPC分类号： B29C70/12 ,  D04H1/4242 ,  D04H1/60 ,  D04H1/732

摘要： There is provided a method of producing a random mat for manufacturing a thermoplastic composite material, including: slitting continuously a strand including reinforcing fibers in a longitudinal direction of the strand to form a plurality of reinforcing fiber strands with narrow width; cutting the reinforcing fiber strands with narrow width continuously to be an average fiber length of 3 mm to 100 mm to form reinforcing fiber strand pieces; spraying gas onto the cut reinforcing fiber strand pieces for opening the reinforcing fiber strand pieces to form reinforcing fiber bundle pieces; and depositing and fixing the reinforcing fiber bundle pieces onto a breathable support together with a thermoplastic resin in a powder or short fibrous form to form an isotropic random mat in which the reinforcing fibers and the thermoplastic resin are mixed.

摘要翻译： 提供了一种制造热塑性复合材料制造用无规毡的方法，其包括：在所述股线的长度方向上连续切断包含增强纤维的股线，以形成多个宽度窄的增强纤维束; 将窄幅宽度的增强纤维束连续切割成平均纤维长度为3mm〜100mm，形成增强纤维束片; 将喷射气体喷射到切割的增强纤维束片上，用于打开增强纤维线材片以形成增强纤维束片; 并且将增强纤维束片与热塑性树脂一起以粉末或短纤维形式沉积并固定在透气性支撑体上，以形成其中混合增强纤维和热塑性树脂的各向同性无规垫。

公开(公告)号：US20150044455A1

公开(公告)日：2015-02-12

申请号：US14375961

申请日：2013-01-31

申请人： Teijin Limited

发明人： Yuhei Konagai ,  Katsuyuki Hagihara ,  Takeshi Naito ,  Naoaki Sonoda

IPC分类号： C08J5/04

CPC分类号： C08J5/042 ,  B29C70/12 ,  D04H1/4242 ,  Y10T428/268

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20140039114A1

公开(公告)日：2014-02-06

申请号：US14052935

申请日：2013-10-14

申请人： Teijin Limited

发明人： Katsuyuki Hagihara ,  Yuhei Konagai ,  Naoaki Sonoda ,  Masatomo Teshima

IPC分类号： C08K3/04

CPC分类号： C08K3/04 ,  B29C43/222 ,  C08J5/042 ,  C08J2300/22 ,  C08J2377/02

摘要： 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.

摘要翻译： 提供一种纤维增强复合材料，其由平均纤维长度为5mm至100mm的增强纤维和热塑性树脂构成，其中在由下式（1）和（2）定义的粘弹性特征中， 基体树脂的熔点-25℃范围内的基质树脂的熔点的+ 25℃的平均值满足下式（3）：tanδ= G“/ G' （1）tanδ'= Vf×tanδ/（100-Vf）（2）0.01@tan delta'@0.2（3）其中G'表示纤维增强复合材料的储能模量（Pa），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（％）。

公开(公告)号：US11021583B2

公开(公告)日：2021-06-01

申请号：US15901140

申请日：2018-02-21

申请人： Teijin Limited

发明人： Yuhei Konagai ,  Katsuyuki Hagihara ,  Takeshi Naito ,  Naoaki Sonoda

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

摘要： 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.

公开(公告)号：US09580568B2

公开(公告)日：2017-02-28

申请号：US14052935

申请日：2013-10-14

申请人： Teijin Limited

发明人： Katsuyuki Hagihara ,  Yuhei Konagai ,  Naoaki Sonoda ,  Masatomo Teshima

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

CPC分类号： C08K3/04 ,  B29C43/222 ,  C08J5/042 ,  C08J2300/22 ,  C08J2377/02

摘要： 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.

摘要翻译： 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（％）。