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    • 11. 发明专利
    • Colored carbon fiber
    • 彩色碳纤维
    • JP2010229587A
    • 2010-10-14
    • JP2009078352
    • 2009-03-27
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • NAKAI SHUNSUKEOBATA MASAKOKUDO HISAHIRO
    • D01F9/22C08K7/06C08L101/00D06M15/65D06M101/40
    • PROBLEM TO BE SOLVED: To provide a colored carbon fiber for producing a carbon fiber-reinforced composite material having high design flexibility to satisfy simultaneously expression of texture pattern or the like and color development.
      SOLUTION: The colored carbon fiber has a lightness (L
      * ) not less than 20 in an L
      * a*b* colorimetric system measured by reflection spectrum of visible range at an incidence angle of 60° and a light receiving angle of 45°. Above all, the fiber preferably has a chroma (ΔC
      * ab) not less than 2 in the L
      * a*b* colorimetric system. More preferably, the fiber has a color difference (ΔE
      * ab) not less than20 in the L
      * a*b* colorimetric system.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种着色碳纤维,用于生产具有高设计灵活性的碳纤维增强复合材料,以同时满足纹理图案等的表现和显色。

      解决方案:在可见光的反射光谱测量的L * a * b *比色系统中,着色碳纤维具有不小于20的亮度(L * ) 入射角为60°,受光角为45°。 最重要的是,纤维优选在L * a * b *比色体系中具有不小于2的色度(ΔC * ab)。 更优选地,在L * a * b *比色系统中,光纤具有不小于20的色差(ΔE * ab)。 版权所有(C)2011,JPO&INPIT

    • 12. 发明专利
    • Surface-treating apparatus for carbon fiber production
    • 碳纤维生产的表面处理设备
    • JP2010216033A
    • 2010-09-30
    • JP2009063910
    • 2009-03-17
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • KAKISAKA KEIJIRO
    • D06M10/00C25D11/02
    • PROBLEM TO BE SOLVED: To provide a surface-treating apparatus for carbon fiber production which has uniformity in height of an electrolyte that overflows.
      SOLUTION: The surface-treating apparatus for carbon fiber production includes a plurality of inner vessels 3, an outer vessel 13 equipped with the inner vessel 3 therein, an airtight electrolyte pool tank 23 provided below the outer vessel 13, one or more electrolyte supply passages 10b for making inside the respective inner vessels 3 communicate with the airtight electrolyte pool tank 23, an electrolyte reservoir tank 17 for receiving and storing the electrolyte inside the outer vessel 13, an electrolyte supply tube 10 for supplying the electrolyte inside the electrolyte reservoir tank 17 to the electrolyte pool tank 23, a pump 19 interposed in the electrolyte supply tube, and a valve 25, wherein the number of the electrolyte supply passage is nor more than 5 per metre of the machine width of the inner vessel, the total of the length L
      8 of the electrolyte supply passages is 75-100% of the machine width L
      1 of the inner vessel, and the length L
      4 of the electrolyte supply passage is 25-100% of the length L
      2 of the inner vessel.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种电解质溢出高度均匀的碳纤维生产用表面处理装置。 解决方案:用于碳纤维生产的表面处理装置包括多个内容器3,其中装有内容器3的外容器13,设置在外容器13下方的气密电解液池23,一个或多个 用于在各内容器3内形成的电解质供给通道10b与气密电解液池23连通,用于在外容器13内接收和储存电解质的电解液储存箱17,用于在电解液内供应电解质的电解质供给管10 蓄电池17到电解液池23,置于电解质供给管内的泵19和阀25,其中电解质供给通道的数量不超过内管的机器宽度的5倍, 电解质供给通道的总长度L 8 是内容器的机器宽度L 1 的75-100%,长度L / SB>电子 溶液供应通道为内容器长度L 2 的25-100%。 版权所有(C)2010,JPO&INPIT
    • 13. 发明专利
    • Prepreg and method for manufacturing the same
    • 制造方法及其制造方法
    • JP2010144118A
    • 2010-07-01
    • JP2008325269
    • 2008-12-22
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • MAEDA HIDEAKIKAWAMOTO HIRONORI
    • C08J5/24
    • PROBLEM TO BE SOLVED: To provide a prepreg which is excellent in impact resistance as a composite material, and which has an adhesive property or laminating property necessary and sufficient for passing through an after-process (lamination of prepregs by using an automated laminating device).
      SOLUTION: The prepreg includes a reinforcing fiber and a matrix resin with the reinforcing fiber immersed therein. The matrix resin includes a resin composition A forming a surface layer of a resin layer of the prepreg and a resin composition B forming an inner layer of the resin layer of the prepreg, wherein the resin composition A is composed of: an epoxy resin; its curing agent at least one portion of which is micro-encapsulated; and a thermoplastic resin soluble in the epoxy resin, and the resin composition B is composed of: an epoxy resin; its curing agent; and a thermoplastic resin at least one portion of which includes a thermoplastic resin insoluble in the epoxy resin.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供作为复合材料具有优异的耐冲击性的预浸料,并且其具有必要和足够的粘合性或层压性,用于通过后处理(通过使用自动化的层压预浸料坯 层压装置)。 解决方案:预浸料包括增强纤维和其中浸入增强纤维的基质树脂。 基质树脂包括形成预浸料坯的树脂层的表面层的树脂组合物A和形成预浸料坯的树脂层的内层的树脂组合物B,其中树脂组合物A由以下组成:环氧树脂; 其固化剂的至少一部分是微胶囊化的; 和可溶于环氧树脂的热塑性树脂,树脂组合物B由以下组成:环氧树脂; 其固化剂; 和热塑性树脂,其至少一部分包括不溶于环氧树脂的热塑性树脂。 版权所有(C)2010,JPO&INPIT
    • 14. 发明专利
    • Apparatus and method for washing precursor fiber for carbon fiber manufacture with water
    • 用于碳纤维制造用水洗涤前身纤维的装置和方法
    • JP2010084280A
    • 2010-04-15
    • JP2008255387
    • 2008-09-30
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • KAKISAKA KEIJIRO
    • D01F6/18D01D5/06
    • PROBLEM TO BE SOLVED: To provide an apparatus for washing a precursor fiber for carbon fiber manufacture with water, which has a high degree of process stability, durability, and cleansing effectiveness.
      SOLUTION: The apparatus includes a water bath, a basket rotor 6 allocated within the water bath, and a runner 10 inserted into the basket rotor 6 with its center of axle 8 being matched with that of the basket rotor. The basket rotor 6 has a wall thickness T of 6.5 to 15 mm, with a large number of apertures for water permeation, while the runner 10 has its outer circumferential shape being of a crest and trough shape, with the number of crests being 9 to 10, whereas the ratio (R/G) of the radius curvature R in the vicinity of the crowning of the crest to the outside diameter G of the runner is 14.0 to 20.0%, while the ratio (C/G) of the clearance C between the rotor and the runner to the outside diameter G of the runner is 1.0 to 3.0%.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于清洗具有高程度稳定性,耐久性和清洁效果的水的碳纤维制造用前体纤维的装置。 解决方案:该设备包括一个水浴池,一个分配在水浴槽内的篮子转子6,以及一个插入篮子转子6的流道10,其中心轴8与篮子转子的中心匹配。 筐式转子6具有6.5至15mm的壁厚T,具有大量用于水渗透的孔,而流道10的外周形状为波峰形状,波峰数为9〜 10,而在轮辋顶部与外径G附近的半径曲率R的比(R / G)为14.0〜20.0%,而间隙C的比(C / G) 在转子和转轮之间,转子的外径G为1.0〜3.0%。 版权所有(C)2010,JPO&INPIT
    • 15. 发明专利
    • Method for producing carbon fiber cord for reinforcing rubber
    • 生产用于增强橡胶的碳纤维丝的方法
    • JP2010024564A
    • 2010-02-04
    • JP2008184803
    • 2008-07-16
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • MURAYAMA HISAMITSUFURUKAWA MASATSUGU
    • D06M15/41D02G3/16D02G3/28D06M13/156D06M15/00D06M15/17D06M15/693D06M101/40
    • PROBLEM TO BE SOLVED: To provide a method for producing a carbon fiber cord for reinforcing rubber, having good adhesiveness to the rubber and having excellent rubber adhesion. SOLUTION: The method for producing the carbon fiber cord for reinforcing the rubber includes treating a carbon fiber bundle with an adhesive containing a resorcin-formaldehyde-rubber latex and a chlorophenol compound having two or more benzene rings. The carbon fiber is preferably the one obtained by attaching a pretreating agent consisting essentially of an acid-modified styrene-based thermoplastic elastomer resin. The acid modification is preferably maleic acid modification. The styrene-based thermoplastic elastomer resin is preferably a styrene-terminated ethylene-butylene copolymer resin, and the pretreating agent is preferably the one containing an adhesive resin such as a hydrogenated terpene resin, β-pinene resin, and a terpene resin. COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种用于增强橡胶的碳纤维帘线的制造方法,对橡胶具有良好的粘合性并且具有优异的橡胶粘合性。 解决方案:用于增强橡胶的碳纤维帘线的制造方法包括用含有间苯二酚 - 甲醛橡胶胶乳和具有两个或多个苯环的氯酚化合物的粘合剂处理碳纤维束。 碳纤维优选通过附着基本上由酸改性苯乙烯类热塑性弹性体树脂组成的预处理剂而得到的。 酸改性优选为马来酸改性。 苯乙烯类热塑性弹性体树脂优选为苯乙烯封端的乙烯 - 丁烯共聚物树脂,预处理剂优选为含有氢化萜烯树脂,β-蒎烯树脂和萜烯树脂等粘合树脂的预处理剂。 版权所有(C)2010,JPO&INPIT
    • 16. 发明专利
    • Carbonizing furnace
    • 碳化炉
    • JP2009243008A
    • 2009-10-22
    • JP2008093170
    • 2008-03-31
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • KAKISAKA KEIJIRO
    • D01F9/32D01F9/12F27B9/28
    • PROBLEM TO BE SOLVED: To provide a carbonizing furnace which permits a pyrolysis gas to be smoothly extracted and exhibits a high production yield rate of high-quality carbon fibers, and its operating method.
      SOLUTION: The carbonizing furnace 2 is made by forming three or more air outlets 10a, 10b, 10c, and 10d in a row in a width direction Lw within the range of 5 to 45% from the furnace with respect to the total length Lt of the furnace. The air outlets 10a, 10b, 10c, and 10d include a flow regulating valve. The ratio of the average flow rate of exhaust air in the air outlets 10b and 10c in a part other than both end sides from among the three or more air outlets 10a, 10b, 10c, and 10d formed in a row in the width direction of the furnace to the average flow rate of exhaust air in the air outlets 10a and 10d on both end sides is preferably 0.90 to 1.10 times.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种碳化炉,其允许平滑地提取热解气体并显示出高质量碳纤维的高产率,以及其操作方法。 解决方案:碳化炉2通过在宽度方向Lw上成三行以上的空气出口10a,10b,10c和10d,相对于炉的总量,从炉子的5〜45%的范围内形成 长度Lt的炉。 空气出口10a,10b,10c和10d包括流量调节阀。 在三个或更多个排气口10a,10b,10c和10d中的除了两个端部之外的部分中的空气出口10b和10c中的排气的平均流量比在宽度方向 炉的两端的空气出口10a,10d的排气的平均流量优选为0.90〜1.10倍。 版权所有(C)2010,JPO&INPIT
    • 17. 发明专利
    • Resin composition, prepreg, and method for manufacturing those
    • 树脂组合物,制备方法和制造方法
    • JP2009242459A
    • 2009-10-22
    • JP2008087666
    • 2008-03-28
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • MAEDA HIDEAKIYOKOE YASUYUKINUMATA HIROSHIISHIWATARI TOYOAKI
    • C08L63/00C08J5/24C08K3/00C08K5/42C08K9/10
    • PROBLEM TO BE SOLVED: To provide a resin composition having improved toughness without damaging heat resistance, stiffness and moldability, and to provide a prepreg using the resin composition.
      SOLUTION: This resin composition comprises [A] an epoxy resin of 100 pts.mass, [B] a thermoplastic resin of 5-80 pts.mass, [C] diaminodiphenylsulfone of 20-50 pts.mass, and [D] an inorganic fine particle of 0.01-30 pts.mass whose mean particle diameter is 1-1,000 nm as main components. It is preferred that a microencapsulated diaminodiphenylsulfone coated by a coating agent is used as the component [C]. A thermoplastic resin particle [B-1] whose mean particle diameter is 1-50 μm, and a thermoplastic resin particle [B-2] whose mean particle diameter is 2-100 μm are used as the component [B]. A ratio of the mean particle diameter D2 of [B-2] to the mean particle diameter D1 of [B-1], D2/D1, is preferably ≥2.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供具有改善的韧性而不损害耐热性,刚度和成型性的树脂组合物,并提供使用该树脂组合物的预浸料。 解决方案:该树脂组合物包含:[A]环氧树脂为100质量份,[B] 5-80份热塑性树脂,[C] 20-50质量份的二氨基二苯砜,[D ]作为主要成分的平均粒径为1-1000nm的0.01-30质点的无机细粒子。 作为成分[C],优选使用涂布剂涂布的微囊化二氨基二苯砜。 使用平均粒径为1-50μm的热塑性树脂粒子[B-1],平均粒径为2〜100μm的热塑性树脂粒子[B-2]作为成分[B]。 [B-2]的平均粒径D2与[B-1]的平均粒径D1的比率D2 / D1优选≥2。 版权所有(C)2010,JPO&INPIT
    • 18. 发明专利
    • Lid of vacuum vessel having opening on its upper section
    • 在其上部开有真空船
    • JP2009234645A
    • 2009-10-15
    • JP2008085496
    • 2008-03-28
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • KODA YUICHIRO
    • B65D43/00B65D81/20
    • PROBLEM TO BE SOLVED: To provide a lightweight and pressure-tight lid which is intended for closing an opening on an upper section of a vacuum vessel made of metal or FRP. SOLUTION: The lid is intended for closing the opening of the vacuum vessel having the lid on its upper section and is characterized in that the lid has a sandwich-structure wherein a foam body or a honeycomb structural body are coated with fiber-reinforced composite material, and has an upper part which is dome-shaped. The lid is manufactured in such a manner that the foam body or the honeycomb structural body are coated with a prepreg material and formed, or in such a manner that the foam body or the honeycomb structural body are coated with fiber-reinforced material and formed by RTM molding method. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于封闭由金属或FRP制成的真空容器的上部上的开口的轻质且耐压的盖子。 解决方案:盖子用于关闭其上部具有盖子的真空容器的开口,其特征在于盖子具有夹层结构,其中泡沫体或蜂窝结构体涂覆有纤维 - 增强复合材料,并且具有圆顶形的上部。 盖子以这样的方式制造,即泡沫体或蜂窝结构体涂覆有预浸材料并形成,或者以使泡沫体或蜂窝结构体涂覆有纤维增强材料并由 RTM成型法。 版权所有(C)2010,JPO&INPIT
    • 19. 发明专利
    • Frp molded article having foamed body and rib structure within it
    • 在其中具有发泡体和RIB结构的FRP模制制品
    • JP2009234145A
    • 2009-10-15
    • JP2008085383
    • 2008-03-28
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • KITASU MASAYA
    • B29C70/06B29C39/10B29C39/24B29K105/04B29K105/08B29L9/00
    • PROBLEM TO BE SOLVED: To provide an FRP molded article having a rib structure within it and a new molding process for integrally molding the same.
      SOLUTION: The FRP molded article having a foamed body and a rib structure within it, which is characterized in that the foamed body comprises a plurality of component members and that the rib structure is formed between opposite surfaces of respective component members; wherein the rib structure consists of a fiber-reinforcing material and a matrix resin. The FRP molded article can be produced; by means of rolling-up and laminating a prepreg around each component member of the foamed body, setting it in a cavity of molding die and curing the prepreg; or by an RTM method comprising of rolling-up and laminating the fiber-reinforcing material around each component member of the foamed body, setting it in the cavity of molding die and impregnating the matrix resin into the cavity.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种在其内具有肋结构的FRP模塑制品和用于将其一体成形的新的模制方法。 解决方案:在其内具有发泡体和肋结构的FRP模制品,其特征在于,发泡体包括多个部件,并且肋结构形成在各个部件的相对表面之间; 其中所述肋结构由纤维增强材料和基质树脂组成。 可以生产FRP成型品; 通过在发泡体的每个组分构件周围卷起并层压预浸料,将其放置在成型模具的空腔中并固化预浸料; 或通过RTM方法,其包括将纤维增强材料卷绕在发泡体的每个组分构件周围,将其固定在成型模具的空腔中并将基质树脂浸渍到空腔中。 版权所有(C)2010,JPO&INPIT
    • 20. 发明专利
    • Prepreg with protection film
    • 带保护膜的PREPREG
    • JP2009108217A
    • 2009-05-21
    • JP2007282828
    • 2007-10-31
    • Toho Tenax Co Ltd東邦テナックス株式会社
    • KANEKO TORUYAMAGUCHI YUHEIUMEMOTO SADATAKA
    • C08J5/24
    • PROBLEM TO BE SOLVED: To provide a sheet-form prepreg fitted with a protection film which can manufacture a fiber-reinforced composite material having a large area with less voids with good productivity, and in which trouble or the like at prepreg cutting is improved.
      SOLUTION: The prepreg fitted with protection film includes: a prepreg formed by impregnating a fiber-reinforced base material with an epoxy resin composition whose 25-°C viscosity lies in the range 5×10
      5 to 1×10
      7 Pa s: and a protection film tightly attached to one or both surfaces of the prepreg, wherein the surface wettability of the protection film lies within the range of 32-45 mmN/m.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决问题的方案:提供一种配有保护膜的片状预浸料,该保护膜能够以高生产率制造具有较小空隙的大面积的纤维增强复合材料,并且在预浸料切割时出现故障等 改进了 < P>解决方案:配有保护膜的预浸料包括:通过用25℃粘度在5×10 5 的范围内的环氧树脂组合物浸渍纤维增强基材而形成的预浸料 至1×10 -6 /秒Pa,以及与预浸料坯的一个或两个表面紧密贴合的保护膜,其中保护膜的表面润湿性在32-45mmN / m的范围内。 版权所有(C)2009,JPO&INPIT