公开(公告)号：US06656302B2

公开(公告)日：2003-12-02

申请号：US09757652

申请日：2001-01-11

申请人： Hajime Kishi ,  Masazumi Tokunoh ,  Tetsuyuki Kyono ,  Fumiaki Noma ,  Toyokazu Minakuchi ,  Shoji Yamane

发明人： Hajime Kishi ,  Masazumi Tokunoh ,  Tetsuyuki Kyono ,  Fumiaki Noma ,  Toyokazu Minakuchi ,  Shoji Yamane

IPC分类号： B65H8100

CPC分类号： C08J5/24 ,  B29B15/122 ,  B29K2063/00 ,  C04B26/14 ,  C04B2111/00896 ,  C08G59/36 ,  C08G59/38 ,  C08J2363/00 ,  Y10T156/1007 ,  Y10T428/249927 ,  Y10T428/24994 ,  Y10T428/249945 ,  Y10T428/249946 ,  C04B16/04 ,  C04B20/0048 ,  C04B24/281

摘要： To provide an epoxy resin composition suitable as a matrix resin for fiber reinforcement, and a yarn prepreg suitable in unwindability, excellent in higher processability due to drapability, high in the tensile strength of the epoxy resin composition after curing, and high in efficiency of the strength of reinforcing fibers. A yarn prepreg, satisfying the following formulae (1) to (3): 50≦Wf≦80  (1) 20,000≦F≦100,000  (2) F/8,000≦d≦F/2,400  (3) where Wf is the content by weight of the fiber bundle (%), F is the number of filaments in the fiber bundle and d is the width of the prepreg (mm). An epoxy resin composition for a fiber reinforced composite material, comprising at least the following components [A], [B] and [C]: [A]: An epoxy resin mixture containing two or more epoxy resins, in such a manner that 100 weight parts of the epoxy resin mixture contains 40 to 79 parts of a monofunctional or bifunctional epoxy resin and 21 to 60 parts of a trifunctional or higher functional epoxy resin and that the epoxy resin mixture is 210 to 370 in epoxy equivalent weight [B]: Fine particles containing a rubber ingredient and insoluble in the epoxy resins [C]: A curing agent

摘要翻译： 为了提供适合作为纤维增强用基体树脂的环氧树脂组合物，适用于退卷性的纱线预浸料，由于悬垂性优异的加工性优异，固化后的环氧树脂组合物的拉伸强度高， 1.一种预浸料坯，其满足下式（1）〜（3）：Wf为纤维束的重量比（％），F为纤维束的长丝数，d为纤维束的长丝数 预浸料坯的宽度（mm）。1.一种纤维增强复合材料用环氧树脂组合物，至少包含以下成分[A]，[B]和[C]：[A]：含有2个以上环氧树脂的环氧树脂混合物 树脂，使得100重量份的环氧树脂混合物含有40至79份单官能或双官能环氧树脂和21至60份三官能或更高官能的环氧树脂，并且环氧树脂混合物为210至370 在环氧树脂中 价格重量[B]：含有橡胶成分且不溶于环氧树脂的细颗粒[C]：固化剂

公开(公告)号：US5298576A

公开(公告)日：1994-03-29

申请号：US840235

申请日：1992-02-24

申请人： Atsushi Sumida ,  Toyokazu Minakuchi ,  Motoi Itoh ,  Itsuki Taniguchi ,  Hiroshi Hasegawa ,  Manabu Saito

发明人： Atsushi Sumida ,  Toyokazu Minakuchi ,  Motoi Itoh ,  Itsuki Taniguchi ,  Hiroshi Hasegawa ,  Manabu Saito

IPC分类号： D01F11/14 ,  C08F283/00

CPC分类号： D01F11/14

摘要： A sizing agent for carbon fibers which comprises, as the indispensable ingredients, an epoxy resin having a viscosity of more than 1,000 P but up to 20,000 P at 50 .degree. C. and a urethane compound prepared from a polyol having an oxyalkylene unit with a polyisocyanate.

摘要翻译： 作为不可或缺的成分的碳纤维用上胶剂，其包含在50℃下粘度大于1,000P但高达20,000P的环氧树脂，以及由具有氧化烯单元的多元醇与多异氰酸酯制备的氨基甲酸酯化合物 。

公开(公告)号：US06228474B1

公开(公告)日：2001-05-08

申请号：US08945071

申请日：1998-02-17

申请人： Hajime Kishi ,  Masazumi Tokunoh ,  Tetsuyuki Kyono ,  Fumiaki Noma ,  Toyokazu Minakuchi ,  Shoji Yamane

发明人： Hajime Kishi ,  Masazumi Tokunoh ,  Tetsuyuki Kyono ,  Fumiaki Noma ,  Toyokazu Minakuchi ,  Shoji Yamane

IPC分类号： B32B1704

CPC分类号： C08J5/24 ,  B29B15/122 ,  B29K2063/00 ,  C04B26/14 ,  C04B2111/00896 ,  C08G59/36 ,  C08G59/38 ,  C08J2363/00 ,  Y10T156/1007 ,  Y10T428/249927 ,  Y10T428/24994 ,  Y10T428/249945 ,  Y10T428/249946 ,  C04B16/04 ,  C04B20/0048 ,  C04B24/281

摘要： To provide an epoxy resin composition suitable as a matrix resin for fiber reinforcement, and a yarn prepreg suitable in unwindability, excellent in higher processability due to drapability, high in the tensile strength of the epoxy resin composition after curing, and high in efficiency of the strength of reinforcing fibers. A yarn prepreg, satisfying the following formulae (1) to (3): 50≦Wf≦80  (1) 20,000≦F≦100,000  (2) F/8,000≦d≦F/2,400  (3) where Wf is the content by weight of the fiber bundle (%), F is the number of filaments in the fiber bundle and d is the width of the prepreg (mm). An epoxy resin composition for a fiber reinforced composite material, comprising at least the following components [A], [B] and [C]: [A]: An epoxy resin mixture containing two or more epoxy resins, in such a manner that 100 weight parts of the epoxy resin mixture contains 40 to 79 parts of a monofunctional or bifunctional epoxy resin and 21 to 60 parts of a trifunctional or higher functional epoxy resin and that the epoxy resin mixture is 210 to 370 in epoxy equivalent weight [B]: Fine particles containing a rubber ingredient and insoluble in the epoxy resins [C]: A curing agent

摘要翻译： 为了提供适合作为纤维增强用基体树脂的环氧树脂组合物，适用于退卷性的纱线预浸料，由于悬垂性优异的加工性优异，固化后的环氧树脂组合物的拉伸强度高， 1.一种预浸料坯，其满足下式（1）〜（3）：Wf为纤维束的重量比（％），F为纤维束的长丝数，d为纤维束的长丝数 预浸料坯的宽度（mm）。1.一种纤维增强复合材料用环氧树脂组合物，至少包含以下成分[A]，[B]和[C]：[A]：含有2个以上环氧树脂的环氧树脂混合物 树脂，使得100重量份的环氧树脂混合物含有40至79份单官能或双官能环氧树脂和21至60份三官能或更高官能的环氧树脂，并且环氧树脂混合物为210至370 在环氧树脂中 价格重量[B]：含有橡胶成分且不溶于环氧树脂的细颗粒[C]：固化剂