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    • 1. 发明授权
    • Epoxy resin composition, prepreg, and fiber reinforced composite material
    • 环氧树脂组合物,预浸料和纤维增强复合材料
    • US08309631B2
    • 2012-11-13
    • US12919285
    • 2009-02-26
    • Nobuyuki TomiokaShiro HondaYuki MitsutsujiMaki MizukiTakayuki Imaoka
    • Nobuyuki TomiokaShiro HondaYuki MitsutsujiMaki MizukiTakayuki Imaoka
    • C08G59/38C08G59/22
    • C08L63/00C08G59/184C08G59/226C08G59/38C08G59/5033C08J5/24C08J2363/02C08L2666/22
    • It is an object of the present invention to provide a fiber reinforced composite material combining good properties such as toughness and impact resistance and to provide an epoxy resin composition to obtain this. This object is achieved by the an epoxy resin composition comprising the following [A], [B], [C], and [D]: [A] a diglycidyl ether-type epoxy resin having a molecular weight of 1,500 or more; [B] an epoxy resin in which an SP value of a structural unit thereof is greater by 1.5 to 6.5 than an SP value of a structural unit of [A]; [C] a diglycidyl ether-type epoxy resin having a molecular weight of 500 to 1,200; and [D] an epoxy resin curing agent, in a ratio that satisfies the following formulas (1) to (4): 0.2≦A/(A+B+C+E)≦0.6;  (1), 0.2≦B/(A+B+C+E)≦0.6;  (2), 0.15≦C/(A+B+C+E)≦0.4; and  (3), 0≦E/(A+B+C+E)≦0.2,  (4) wherein A, B, and C represent weights of [A], [B], and [C], respectively, and E represents a weight of an epoxy resin other than [A], [B], and [C].
    • 本发明的目的是提供一种结合韧性和耐冲击性等良好性能的纤维增强复合材料,并提供一种环氧树脂组合物来获得。 该目的通过包含以下[A],[B],[C]和[D]的环氧树脂组合物来实现:[A]分子量为1,500以上的二缩水甘油醚型环氧树脂; [B]结构单元的SP值比[A]的结构单元的SP值大1.5〜6.5的环氧树脂; [C]分子量为500〜1200的二缩水甘油醚型环氧树脂; 和[D]环氧树脂固化剂,其比例满足下述式(1)〜(4):0.2< lE; A /(A + B + C + E)≦̸ 0.6; (1),0.2≦̸ B /(A + B + C + E)≦̸ 0.6; (2),0.15≦̸ C /(A + B + C + E)≦̸ 0.4; 和(3),0≦̸ E /(A + B + C + E)≦̸ 0.2,(4)其中A,B和C分别表示[A],[B]和[C] E表示除[A],[B]和[C]以外的环氧树脂的重量。
    • 3. 发明申请
    • EPOXY RESIN COMPOSITION, FIBER-REINFORCED COMPOSITE MATERIAL AND PRODUCTION METHOD OF THE SAME
    • 环氧树脂组合物,纤维增强复合材料及其生产方法
    • US20090131556A1
    • 2009-05-21
    • US12282925
    • 2007-04-13
    • Shiro HondaGo Tanaka
    • Shiro HondaGo Tanaka
    • C08K9/04C08L63/00B29C45/00
    • C08J5/24C08G59/42C08G59/688C08J2363/00C08K5/50C08L63/00
    • It is an object of the present invention to provide an epoxy resin composition in which a ratio of the time between the beginning of injection and the vitrification of the epoxy resin composition to the time during which a state of liquid having such a viscosity that the epoxy resin composition can be injected is held after the beginning of injection is small, and a material in which a resin cured product has less-coloring and the appearance and the surface smoothness of the fiber-reinforced composite materials are excellent in order to enable to mold fiber-reinforced composite materials having high fiber volume fraction (Vf) and excellent mechanical properties or fiber-reinforced composite materials having a large size in a short time. The above problem can be achieved by an epoxy resin composition for a fiber-reinforced composite material comprising an epoxy resin, an acid anhydride curing agent and an organic phosphorus compound, wherein the organic phosphorus compound is contained in an amount of 0.2 to 2% by weight in terms of a phosphorus atom contained amount with respect to the sum of the epoxy resin composition, an amount of a nitrogen atom containing compound contained in the epoxy resin composition is 0 to 0.5% by weight in terms of a nitrogen atom contained amount with respect to the sum of the epoxy resin composition, and an amount of a compound having a polymerizable unsaturated group contained in the epoxy resin composition is 0 to 5% by weight with respect to the sum of the epoxy resin composition.
    • 本发明的目的是提供一种环氧树脂组合物,其中注射开始和环氧树脂组合物的玻璃化之间的时间与其具有如此粘度的液体的状态的时间的比率 注射开始后注射的树脂组合物小,以及树脂固化产物具有较少着色的材料,纤维增强复合材料的外观和表面光滑度优异,以使模具 具有纤维体积分数(Vf)和优异的机械性能的纤维增强复合材料或在短时间内具有大尺寸的纤维增强复合材料。 上述问题可以通过包含环氧树脂,酸酐固化剂和有机磷化合物的纤维增强复合材料用环氧树脂组合物来实现,其中有机磷化合物的含量为0.2-2% 相对于环氧树脂组合物的总和,磷原子含有量的重量,环氧树脂组合物中含有的含氮原子化合物的含量以氮原子含量计为0〜0.5重量% 相对于环氧树脂组合物的总和,环氧树脂组合物中含有的具有聚合性不饱和基团的化合物的量相对于环氧树脂组合物的总和为0〜5重量%。
    • 5. 发明授权
    • Epoxy resins, curing agent and (Co)poly(methyl methacrylate) block copolymer
    • 环氧树脂,固化剂和(Co)聚(甲基丙烯酸甲酯)嵌段共聚物
    • US08338535B2
    • 2012-12-25
    • US12306629
    • 2007-06-25
    • Hiroaki SakataNobuyuki TomiokaShiro Honda
    • Hiroaki SakataNobuyuki TomiokaShiro Honda
    • B29D23/00B32B1/08B32B27/04B32B27/12C08L63/02
    • C08J5/24C08J2363/00C08L53/00C08L63/00Y10T428/1372Y10T428/24994Y10T428/24995C08L2666/22
    • The present invention relates to an epoxy resin composition comprising the following [A], [A′], [B], and [C]: [A] a bisphenol-type epoxy resin having a glass transition temperature or melting point of 50° C. or higher; [A′] an epoxy resin which is in a liquid state at 25° C.; [B] an epoxy resin curing agent; and [C] at least one block copolymer selected from the group consisting of S-B-M, B-M, and M-B-M, wherein the blocks are linked to each other by a covalent bond or by an intermediate molecule bound to one of the blocks via one covalent bond formation and to the other block via another covalent bond formation; the block M is a methyl methacrylate homopolymer or a copolymer comprising at least 50% by weight of methyl methacrylate; the block B is incompatible with the block M and has a glass transition temperature of 20° C. or lower; and the block S is incompatible with the blocks B and M and has a glass transition temperature higher than that of the block B, a prepreg obtained by impregnating a fiber base with the epoxy resin composition, and a fiber-reinforced composite material obtained by curing the prepreg.
    • 本发明涉及包含以下[A],[A'],[B]和[C]的环氧树脂组合物:[A]玻璃化转变温度或熔点为50℃的双酚型环氧树脂 C.或更高; [A']在25℃处于液态的环氧树脂; [B]环氧树脂固化剂; 和[C]选自SBM,BM和MBM的至少一种嵌段共聚物,其中所述嵌段通过共价键彼此连接或通过经由一个共价键形成与一个嵌段结合的中间分子连接 并通过另一个共价键形成另一个嵌段; 嵌段M是甲基丙烯酸甲酯均聚物或包含至少50重量%甲基丙烯酸甲酯的共聚物; 块B与块M不相容,玻璃化转变温度为20℃以下; 并且块S与块B和M不相容,玻璃化转变温度高于块B,玻璃化转变温度高于通过用环氧树脂组合物浸渍纤维基材获得的预浸料,以及通过固化获得的纤维增强复合材料 预浸料
    • 7. 发明申请
    • EPOXY RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL
    • 环氧树脂组合物,PREPREG和纤维增强复合材料
    • US20090198012A1
    • 2009-08-06
    • US12306629
    • 2007-06-25
    • Hiroaki SakataNobuyuki TomiokaShiro Honda
    • Hiroaki SakataNobuyuki TomiokaShiro Honda
    • C08L77/00C08G18/62
    • C08J5/24C08J2363/00C08L53/00C08L63/00Y10T428/1372Y10T428/24994Y10T428/24995C08L2666/22
    • The present invention relates to an epoxy resin composition comprising the following [A], [A′], [B], and [C]: [A] a bisphenol-type epoxy resin having a glass transition temperature or melting point of 50° C. or higher; [A′] an epoxy resin which is in a liquid state at 25° C.; [B] an epoxy resin curing agent; and [C] at least one block copolymer selected from the group consisting of S-B-M, B-M, and M-B-M, wherein the blocks are linked to each other by a covalent bond or by an intermediate molecule bound to one of the blocks via one covalent bond formation and to the other block via another covalent bond formation; the block M is a methyl methacrylate homopolymer or a copolymer comprising at least 50% by weight of methyl methacrylate; the block B is incompatible with the block M and has a glass transition temperature of 20° C. or lower; and the block S is incompatible with the blocks B and M and has a glass transition temperature higher than that of the block B, a prepreg obtained by impregnating a fiber base with the epoxy resin composition, and a fiber-reinforced composite material obtained by curing the prepreg.
    • 本发明涉及包含以下[A],[A'],[B]和[C]的环氧树脂组合物:[A]玻璃化转变温度或熔点为50℃的双酚型环氧树脂 C.或更高; [A']在25℃处于液态的环氧树脂; [B]环氧树脂固化剂; 和[C]选自SBM,BM和MBM的至少一种嵌段共聚物,其中所述嵌段通过共价键彼此连接或通过经由一个共价键形成与一个嵌段结合的中间分子连接 并通过另一个共价键形成另一个嵌段; 嵌段M是甲基丙烯酸甲酯均聚物或包含至少50重量%甲基丙烯酸甲酯的共聚物; 块B与块M不相容,玻璃化转变温度为20℃以下; 并且块S与块B和M不相容,玻璃化转变温度高于块B,玻璃化转变温度高于通过用环氧树脂组合物浸渍纤维基材获得的预浸料,以及通过固化获得的纤维增强复合材料 预浸料
    • 10. 发明申请
    • EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIALS, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL
    • 纤维增强复合材料环氧树脂组合物,PREPREG和纤维增强复合材料
    • US20130281573A1
    • 2013-10-24
    • US13978738
    • 2012-01-20
    • Yuko GotoNobuyuki TomiokaYuji EchigoHiroaki SakataShiro HondaHiroshi Taiko
    • Yuko GotoNobuyuki TomiokaYuji EchigoHiroaki SakataShiro HondaHiroshi Taiko
    • C08L63/00
    • C08L63/00C08J5/24C08J2363/00C08L53/02C08L77/06
    • Provided are: a fiber-reinforced composite material which has mode I interlaminar fracture toughness, mode II interlaminar fracture toughness and compressive strength under heat and humidity conditions at the same time; an epoxy resin composition for obtaining the fiber-reinforced composite material; and a prepreg which is obtained using the epoxy resin composition. An epoxy resin composition for fiber-reinforced composite materials, which contains at least the following constituent elements (A), (B), (C) and (D). (A) An epoxy resin (B) Resin particles that satisfy the following conditions (b1)-(b3) and are insoluble in an epoxy resin (b1) The particle size distribution index is 1.0-1.8. (b2) The particle sphericity is 90 or more. (b3) The glass transition temperature of the particles is 80-180° C. (C) At least one elastomer component that is selected from among block copolymers containing a block having a glass transition temperature of 20° C. or less and rubber particles (D) An epoxy resin curing agent
    • 提供:同时在热和湿度条件下具有模式I层间断裂韧性,模式II层间断裂韧性和抗压强度的纤维增强复合材料; 用于获得纤维增强复合材料的环氧树脂组合物; 和使用该环氧树脂组合物得到的预浸料坯。 至少含有以下组成元素(A),(B),(C)和(D)的纤维增强复合材料用环氧树脂组合物。 (A)环氧树脂(B)满足以下条件(b1) - (b3)并且不溶于环氧树脂(b1)的树脂颗粒粒径分布指数为1.0-1.8。 (b2)粒子球形度为90以上。 (b3)颗粒的玻璃化转变温度为80-180℃。(C)选自含有玻璃化转变温度为20℃以下的嵌段的嵌段共聚物和橡胶粒子中的至少一种弹性体成分 (D)环氧树脂固化剂