PREPREG AND FIBER REINFORCED COMPOSITE MATERIAL, AND PROCESS FOR PRODUCING PREPREG
    3.
    发明申请
    PREPREG AND FIBER REINFORCED COMPOSITE MATERIAL, AND PROCESS FOR PRODUCING PREPREG 审中-公开
    PREPREG和纤维增强复合材料,以及生产PREPREG的方法

    公开(公告)号:US20140037939A1

    公开(公告)日:2014-02-06

    申请号:US14111328

    申请日:2012-02-23

    IPC分类号: D06M15/55 B32B5/16

    摘要: The present invention provides a prepreg comprising the following constituent elements (A), (B) and (C), the constituent element (A) being arranged on one surface or both surfaces of a layer containing the constituent elements (B) and (C), and not less than 90 area % of the constituent element (A) existing in the region from the surface of the prepreg to a position up to 20% of the average thickness of said prepreg: (A) epoxy particles having a tan δ at 10° C. of not less than 0.15 and having a three-dimensional cross-linked structure; (B) a first epoxy resin composition; and (C) reinforcing fibers. The present invention provides a prepreg suitable for formation of a fiber reinforced composite material having an excellent stiffness, strength, and damping performance.

    摘要翻译: 本发明提供一种包含以下组成元素(A),(B)和(C)的预浸料,所述构成元素(A)设置在包含构成元素(B)和(C)的层的一个表面或两个表面上 )和不少于存在于从预浸料坯表面到达所述预浸料坯的平均厚度的20%的位置的构成元素(A)的面积百分比(A):(A)具有三角形 在10℃下不低于0.15并具有三维交联结构; (B)第一环氧树脂组合物; 和(C)增强纤维。 本发明提供一种适合于形成具有优异的刚度,强度和阻尼性能的纤维增强复合材料的预浸料。

    PREPREG, METHOD OF MANUFACTURING PREPREG, AND CARBON FIBER-REINFORCED COMPOSITE MATERIAL
    4.
    发明申请
    PREPREG, METHOD OF MANUFACTURING PREPREG, AND CARBON FIBER-REINFORCED COMPOSITE MATERIAL 有权
    制备方法,制备方法和碳纤维增强复合材料

    公开(公告)号:US20130344305A1

    公开(公告)日:2013-12-26

    申请号:US14003916

    申请日:2012-02-24

    IPC分类号: B32B5/14 B32B37/14

    摘要: The present invention relates to a sheet-form prepreg which comprises a plurality of carbon fibers and a matrix resin with which the plurality of carbon fibers are impregnated. This matrix resin contains a thermosetting resin, a curing agent, conductive particles of 1 μm or smaller in diameter, conductive particles of 5 μm or larger in diameter and thermoplastic resin particles, and the conductive particles of 1 μm or smaller in diameter, the conductive particles of 5 μm or larger in diameter and the thermoplastic resin particles are each disproportionately distributed in a specific part of the prepreg.By the present invention, a prepreg from which a carbon fiber-reinforced composite material having both excellent impact resistance and good conductivity in the lamination direction can be produced is provided.

    摘要翻译: 本发明涉及片状预浸料,其包含多个碳纤维和浸渍有多个碳纤维的基质树脂。 该基体树脂含有热固性树脂,固化剂,直径为1μm或更小的导电颗粒,直径为5μm或更大的导电颗粒和热塑性树脂颗粒,导电颗粒直径为1μm或更小,导电 直径5μm或更大的颗粒和热塑性树脂颗粒各自不成比例地分布在预浸料的特定部分中。 通过本发明,提供了可以制造在层叠方向上具有优异的耐冲击性和良好的导电性的碳纤维增强复合材料的预浸料坯。

    EPOXY RESIN COMPOSITION FOR USE IN A CARBON-FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG, AND CARBON-FIBER-REINFORCED COMPOSITE MATERIAL
    5.
    发明申请
    EPOXY RESIN COMPOSITION FOR USE IN A CARBON-FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG, AND CARBON-FIBER-REINFORCED COMPOSITE MATERIAL 有权
    用于碳纤维增强复合材料,PREPREG和碳纤维增强复合材料的环氧树脂组合物

    公开(公告)号:US20130005855A1

    公开(公告)日:2013-01-03

    申请号:US13634518

    申请日:2010-12-24

    IPC分类号: C08G59/32 C08L63/00

    摘要: Disclosed is a carbon-fiber-reinforced composite material that is suitable for use as a construction material and exhibits high mechanical strength in harsh usage environments such as low-temperature environments and high-temperature moisture-absorbing environments. Also disclosed are an epoxy resin composition for producing the aforementioned carbon-fiber-rein-forced composite material and a prepreg obtained through the use of said epoxy resin composition. Said epoxy resin composition comprises at least the following constituents, by mass with respect to the total mass of the composition: (A) between 20% and 80% of an epoxy resin having the structure represented by formula (1); and (B) between 10% and 50% of an epoxy resin that has at least two ring structures with four or more members each and also has one amine glycidyl or ether glycidyl directly connected to a ring structure.

    摘要翻译: 公开了一种适用于建筑材料的碳纤维增强复合材料,在恶劣的使用环境(如低温环境和高温吸湿环境)下表现出较高的机械强度。 还公开了用于制造上述碳纤维增强强化复合材料的环氧树脂组合物和通过使用所述环氧树脂组合物获得的预浸料。 所述环氧树脂组合物相对于组合物的总质量至少包含以下组分:(A)20%至80%的具有由式(1)表示的结构的环氧树脂; 和(B)10%至5​​0%的环氧树脂,其具有至少两个具有四个或更多个成员的环结构,并且还具有直接连接到环结构的一个胺缩水甘油基或醚缩水甘油基。

    EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIALS, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL
    7.
    发明申请
    EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIALS, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL 审中-公开
    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

    公开(公告)号:US20130281573A1

    公开(公告)日:2013-10-24

    申请号:US13978738

    申请日:2012-01-20

    IPC分类号: C08L63/00

    摘要: 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

    摘要翻译: 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

    EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL
    8.
    发明申请
    EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL 有权
    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

    公开(公告)号:US20130202873A1

    公开(公告)日:2013-08-08

    申请号:US13823905

    申请日:2011-09-22

    IPC分类号: C08L63/00

    摘要: Provided are a fiber-reinforced composite material excellent in heat resistance and strength properties, an epoxy resin composition to obtain the fiber-reinforced composite material, and a prepreg obtained by using the epoxy resin composition. Further provided are a fiber-reinforced composite material having less volatile matters during the curing time, and having excellent heat resistance and strength properties, an epoxy resin composition to obtain the fiber-reinforced composite material, and a prepreg obtained by using the epoxy resin composition. Provided are: an epoxy resin composition for a fiber-reinforced composite material, comprising an amine type epoxy resin [A], an aromatic amine curing agent [B], and a block copolymer [C] having a reactive group capable of reacting with an epoxy resin; a prepreg obtained by impregnating a reinforced fiber with the epoxy resin composition; and a fiber-reinforced composite material obtained by curing the prepreg. Further provided are: an epoxy resin composition comprising an epoxy resin [A] having two or more of four- or more-membered ring structures, and having either one of a glycidyl amino group directly bonded to the ring structure or a glycidyl ether group directly bonded to the ring structure, epoxy resin [B] having three or more of functional groups, a curing agent [C], and an elastomer component [D]; a prepreg obtained by impregnating a reinforced fiber with the epoxy resin composition; and a fiber-reinforced composite material obtained by curing the prepreg.

    摘要翻译: 提供耐热性和强度特性优异的纤维增强复合材料,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。 还提供了一种在固化时间内具有较少挥发性物质并具有优异的耐热性和强度特性的纤维增强复合材料,获得纤维增强复合材料的环氧树脂组合物和通过使用环氧树脂组合物获得的预浸料 。 提供:用于纤维增强复合材料的环氧树脂组合物,其包含胺型环氧树脂[A],芳香族胺固化剂[B]和具有能与其反应的反应性基团的嵌段共聚物[C] 环氧树脂; 通过用环氧树脂组合物浸渍增强纤维而获得的预浸料坯; 以及通过固化预浸料获得的纤维增强复合材料。 进一步提供:环氧树脂组合物,其包含具有两个或更多个四元或多元环结构的环氧树脂[A],并且直接与环结构直接键合的缩水甘油氨基或缩水甘油醚基团中的任一个 结合到环结构上,具有三个或更多个官能团的环氧树脂[B],固化剂[C]和弹性体组分[D]; 通过用环氧树脂组合物浸渍增强纤维而获得的预浸料坯; 以及通过固化预浸料获得的纤维增强复合材料。

    PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL
    10.
    发明申请
    PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL 审中-公开
    PREPREG和纤维增强复合材料

    公开(公告)号:US20140162518A1

    公开(公告)日:2014-06-12

    申请号:US14234996

    申请日:2012-07-25

    IPC分类号: D06M15/55

    摘要: The invention provides a fiber reinforced composite material having high interlaminar toughness and compressive strength under wet heat conditions, as well as an epoxy resin composition for production thereof and a prepreg producible from the epoxy resin composition.The prepreg comprises at least constituents [A], [B], and [C] as specified below and reinforcement fiber, wherein 90% or more of constituent [C] exists in the depth range accounting for 20% of the prepreg thickness from the prepreg surface: [A] epoxy resin [B] epoxy resin curing agent [C] polymer particles insoluble in epoxy resin and falling under any of the following [Cx] to [Cz]: [Cx] polymer particles insoluble in epoxy resin and giving a particle diameter distribution chart meeting the following requirements from (x-i) to (x-iii): (x-i) the chart has at least two peaks, (x-ii) the particles giving the two highest peaks have a diameter ratio in the range of 1.5 to 7, and (x-iii) the one of the two highest peaks attributable to the larger-diameter particle has a half-value width in the range of 1.1 to 3, [Cy] polymer particles insoluble in epoxy resin and meeting the following requirements from (y-i) to (y-iii): (y-i) the average particle diameter is in the range of 1 to 18 μm, (y-ii) the particle sphericity is in the range of 90 to 100, and (y-iii) the glass transition temperature is in the range of 80 to 155° C., [Cz] polymer particles insoluble in epoxy resin and meeting the following requirements from (z-i) to (z-iii): (z-i) the average particle diameter is more than 12 μm and 50 μm or less, (z-ii) the particle sphericity is in the range of 90 to 100, and (z-iii) the glass transition temperature is in the range of 80 to 155° C.

    摘要翻译: 本发明提供一种在湿热条件下具有高层间韧性和抗压强度的纤维增强复合材料,以及用于其制造的环氧树脂组合物和可由环氧树脂组合物生产的预浸料。 预浸料坯至少包含如下所述的成分[A],[B]和[C]和增强纤维,其中90%以上的成分[C]存在于深度范围内,占预浸料坯厚度的20% 预浸料坯表面:[A]环氧树脂[B]环氧树脂固化剂[C]不溶于环氧树脂的聚合物颗粒,属于以下任何一种[Cx]至[Cz]:[Cx]不溶于环氧树脂的聚合物颗粒, (xi)至(xi)的满足以下要求的粒径分布图:(xi)该图具有至少两个峰(x-ii)给出两个最高峰的颗粒的直径比在该范围内 为1.5〜7,(x-iii)归属于较大直径粒子的两个最高峰中的一个具有1.1〜3的半值宽度,不溶于环氧树脂的[Cy]聚合物粒子, 从(yi)到(y-iii)的以下要求:(yi)平均粒径在1〜18μm的范围内,(y- ii)粒子球形度在90〜100的范围内,(y-iii)玻璃化转变温度在80〜155℃的范围内,[Cz]不溶于环氧树脂的聚合物粒子,满足以下要求 (zi)至(z-iii):(zi)平均粒径大于12μm和50μm以下,(z-ii)粒子球形度在90〜100的范围内,(z- iii)玻璃化转变温度在80至155℃的范围内