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公开(公告)号：EP3279374A1
公开(公告)日：2018-02-07
申请号：EP16772836.9
申请日：2016-03-29
申请人： Toho Tenax Co., Ltd.
IPC分类号： D01F9/32
摘要： Carbon fibers having a high tensile strength satisfy the relationship represented by formula (1) and one of the relationships represented by formulas (2) to (5): La ≥ 1 La ≤ − 0.5 + 0.01 × TM when 170 ≤ TM ≤ 230 La ≤ − 37.3 + 0.17 × TM when 230 TM ≤ 240 La ≤ − 2.5 + 0.025 × TM when 240 TM ≤ 300 and La ≤ 2 + 0.01 × TM when 300 TM where La is a crystal size in nm in a direction parallel to an axis of the fibers measured with by X-ray diffraction, and TM is a tensile modulus in GPa.
摘要翻译： 具有高拉伸强度的碳纤维满足由式（1）表示的关系和由式（2）至（5）表示的关系之一：当170≤TM≤230La时，La≥1La≤-0.5 + 0.01×TM 当<240
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公开(公告)号：EP3176205A1
公开(公告)日：2017-06-07
申请号：EP15826622.1
申请日：2015-07-24
申请人： Toho Tenax Co., Ltd.
IPC分类号： C08J5/24
CPC分类号： C08J5/24 , B32B5/26 , B32B27/12 , B32B2260/023 , B32B2260/046 , B32B2262/106 , B32B2307/202 , C08J2363/00 , C08J2377/02 , C08J2381/06
摘要： An object of the present invention is to provide a prepreg capable of giving a fiber-reinforced composite material having both excellent mechanical characteristics and conductivity in the thickness direction thereof. The prepreg of the present invention is a prepreg including conductive fibers impregnated with a matrix resin, the prepreg being a prepreg having a conductive region where a conductive material is dispersed in the resin. In the present invention, it is preferred that a resin layer composed of at least the matrix resin is present on one or both surfaces of a conductive fiber layer composed of at least the conductive fibers, and the conductive region is present at least in the resin layer. In addition, it is preferred that the above-described conductive region is present continuously in the thickness direction. It is also preferred that the conductive region is a conductive region where the conductive material is dispersed in the matrix resin, and that the resin in the conductive region forms a continuous phase with the matrix resin in other regions. In the present invention, it is preferred that a volume resistivity of the conductive region is 1/1,000 or less of that of other regions of the matrix resin.
摘要翻译： 本发明的目的是提供一种能够提供在其厚度方向上具有优异的机械特性和导电性的纤维增强复合材料的预浸料坯。 本发明的预浸料坯是包含用基体树脂浸渍的导电纤维的预浸料坯，预浸料坯是具有导电区域的预浸料坯，其中导电材料分散在树脂中。 在本发明中，优选的是至少由基体树脂构成的树脂层存在于至少由导电纤维构成的导电纤维层的一个或两个表面上，并且导电区域至少存在于树脂 层。 另外，优选的是，上述导电区域在厚度方向上连续存在。 还优选的是，导电区域是导电材料分散在基质树脂中的导电区域，并且导电区域中的树脂与其他区域中的基质树脂形成连续相。 在本发明中，导电区域的体积电阻率优选为基体树脂其它区域的体积电阻率的1/1000或更小。
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公开(公告)号：EP3170857A1
公开(公告)日：2017-05-24
申请号：EP16205786.3
申请日：2012-03-21
申请人： Toho Tenax Co., Ltd.
CPC分类号： D06M15/55 , B29C70/504 , B29D7/01 , C08G59/5033 , C08J5/24 , C08J2363/00 , C08L63/00 , Y10T442/2049
摘要： The present invention provides a prepreg comprising: a primary pre-pregnant made of a reinforced fiber substrate and an epoxy resin composition containing at least epoxy resin and thermoplastic resin impregnated into the reinforcing fiber that forms the reinforced fiber substrate; and a surface layer made of epoxy resin composition containing at least an epoxy resin and an epoxy resin-soluble thermoplastic resin that dissolves in the epoxy resin, the surface layer being formed on one or both surfaces of the primary prepreg; the prepreg being characterized in that only one of either the epoxy resin composition of the primary prepreg or the epoxy resin composition of the surface layer contains a hardening agent for an epoxy resin.
摘要翻译： 本发明提供一种预浸料，其包含：由增强纤维基材和至少含有环氧树脂和热塑性树脂的环氧树脂组合物构成的一次预孕育剂，所述环氧树脂组合物含浸在形成增强纤维基材的增强纤维中; 所述表面层由环氧树脂组合物制成，所述环氧树脂组合物至少包含环氧树脂和溶解在所述环氧树脂中的环氧树脂可溶热塑性树脂，所述表面层形成在所述一次预浸料坯的一个或两个表面上; 所述预浸料坯的特征在于，所述一次预浸料坯的所述环氧树脂组合物或所述表面层的所述环氧树脂组合物中的仅一者包含用于环氧树脂的硬化剂。
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4.发明公开HEAT-CURABLE RESIN COMPOSITION, PREPREG, AND METHOD FOR PRODUCING FIBER-REINFORCED COMPOSITE USING EACH OF SAME 审中-公开热固性树脂组合物预浸料和制造方法纤维增强复合材料USING THE SAME
公开(公告)号：EP3075785A4
公开(公告)日：2016-12-07
申请号：EP14865148
申请日：2014-11-21
申请人： TOHO TENAX CO LTD
发明人： KANEKO TORU
IPC分类号： C08L101/00 , C08J5/24 , C08L33/12 , C08L63/00
CPC分类号： C08J5/24 , B29C65/02 , B29C70/12 , B29C70/342 , B29C70/44 , B29K2663/00 , C08G59/4021 , C08J5/042 , C08J2331/02 , C08J2363/00 , C08J2363/02 , C08J2363/04 , C08J2431/02 , C08J2433/00 , C08J2433/06 , C08J2463/02 , C08L31/02 , C08L33/06 , C08L33/12 , C08L63/00 , C08L63/04 , C08L101/00 , C08L2205/02 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L33/10
摘要： The present invention provides a heat-curable resin composition, which comprises (1) a heat-curable resin mixture comprising a heat-curable resin (a) and thickener particles (b) and exhibiting a viscosity (150°C) after having been held at a temperature of 150°C for 30 seconds that is a viscosity (S), and (2) a curing agent, and is characterized in that the heat-curable resin composition exhibits a lowest viscosity (R) at 80-120°C, the lowest viscosity (R) is 0.1-10 Pa·s, and the viscosity (S) and lowest viscosity (R) satisfy the relationship of formula (1): 5
摘要翻译： 本发明提供一种热固化性树脂组合物，其包含（1）的热固化性树脂混合物，其包括可热固化的树脂（a）和增粘剂颗粒（b）和已经被保持之后的表现出粘度（150℃） 在150℃进行30秒的温度确实是粘度（S），和（2）固化剂，和在80-120℃下，在做了热固化性树脂组合物表现出最低粘度（R）的特征在于 最低粘度（R）为0.1〜10帕·秒，且粘度（S）和最低粘度（R）满足式（1）的关系：5
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公开(公告)号：EP2175060B1
公开(公告)日：2012-06-06
申请号：EP08827468.3
申请日：2008-08-06
发明人： HIRAI, Masaaki , MACHII, Akihiko
CPC分类号： D06C19/00 , D06C15/00 , D06C29/00 , D10B2101/12 , D10B2505/02
摘要： A method of opening or spreading a woven fabric, in which while leaving the fabric weaving process unchanged, the warp and weft yarns can be uniformly opened or spread through simple processing. There is provided a method of opening or spreading a woven fabric (4) produced by weaving weft yarns (3) and warp yarns (2) each obtained by bundling multiple fiber filaments (1). In the method, an abutting member (6) is disposed on the surface of the woven fabric (4) with a protective film (5) interposed therebetween. A relative displacement of the abutting member (6) to the woven fabric (4) is effected obliquely in the longitudinal direction of the warp yarns (2) or weft yarns (3) to thereby attain the opening or spreading of the warp yarns (2) or weft yarns (3).
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公开(公告)号：EP1845179B1
公开(公告)日：2010-07-28
申请号：EP06007926.6
申请日：2006-04-15
申请人： Toho Tenax Co., Ltd.
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7.发明公开CARBON FIBER STRAND AND PROCESS FOR PRODUCING THE SAME 有权KENLENSTOFFFASERSTRANG UND VERFAHREN ZU SEINER HERSTELLUNG
公开(公告)号：EP2208812A1
公开(公告)日：2010-07-21
申请号：EP08847691.6
申请日：2008-08-27
申请人： Toho Tenax Co., Ltd.
CPC分类号： D01F9/225 , D02J1/08 , D02J1/222 , Y10T428/2918
摘要： A carbon fiber strand which is produced by obtaining a solidified-yarn strand by spinning with a spinneret having 20,000-30,000 spinning holes, passing the strand through an interlacing nozzle having an air blowing pressure of 20-60 kPa to obtain precursor fibers, oxidizing them in heated air having a temperature of 200-280 °C to obtain oxidized fibers, subjecting these oxidized fibers to a first carbonization treatment in an inert-gas atmosphere at a temperature of 300-900 °C in which the fibers are firstly stretched in a stretch ratio of 1.03-1.06 and then secondarily stretched in a stretch ratio of 0.9-1.01, subsequently conducting a second carbonization treatment in an inert-gas atmosphere at 1,360.2,100 °C, and then conducting a surface oxidization treatment in an aqueous solution of an inorganic acid salt in a quantity of electricity of 20-100 C per g of the carbon fibers. This carbon fiber strand has a strand tensile strength of 5,650 MPa or higher, strand tensile modulus of 300 GPa or higher, and strand width of 5.5 mm or larger. No strand crack is observed in an examination by a strand crack evaluation method.
摘要翻译： 一种碳素纤维股线，其通过用具有20,000-30,000个纺丝孔的喷丝头纺丝获得固化纱股线，使股线通过空气吹送压力为20-60kPa的交织喷嘴，得到前体纤维，使其氧化 在温度为200-280℃的加热空气中，获得氧化纤维，在惰性气体气氛中，在300-900℃的温度下对这些氧化纤维进行第一次碳化处理，其中纤维首先在 拉伸比为1.03-1.06，然后以0.9-1.01的拉伸比进行二次拉伸，随后在惰性气体气氛中在1360.2100℃进行第二次碳化处理，然后在水溶液中进行表面氧化处理 每克碳纤维的电量为20-100℃的无机酸盐。 该碳纤维线的线股抗拉强度为5,650MPa以上，线股拉伸弹性模量为300GPa以上，股线宽度为5.5mm以上。 在线裂纹评价方法的检查中未观察到股线裂纹。
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8.发明公开METHOD OF OPENING OR SPREADING WOVEN FABRIC, WOVEN FABRIC AND COMPOSITE MATERIAL 有权VERFAHREN ZURÖFFNUNGODER AUSBREITUNG EINES WEBSTOFFES
公开(公告)号：EP2175060A1
公开(公告)日：2010-04-14
申请号：EP08827468.3
申请日：2008-08-06
发明人： HIRAI, Masaaki , MACHII, Akihiko
CPC分类号： D06C19/00 , D06C15/00 , D06C29/00 , D10B2101/12 , D10B2505/02
摘要： According to the present invention there is provided a method for opening a fabric, in which warp and weft yarns can be uniformly opened using a simple method without having to alter the fabric weaving procedure. The method is a method for opening a fabric (4) produced by weaving a warp yarn (2) and a weft yarn (3), each of which having a bundled plurality of fiber filaments (1). A contact body (6) is provided to a surface of the fabric (4) with a protective film (5) interposed therebetween, and the contact body (6) is caused to move over the fabric (4) obliquely, and in a relative manner, with respect to the longitudinal direction of the warp yarn (2) or the weft yarn (3), whereby the warp yarn (2) or the weft yarn (3) is spread.
摘要翻译： 根据本发明，提供一种打开织物的方法，其中可以使用简单的方法均匀地打开经纱和纬纱，而不必改变织物编织程序。 该方法是打开通过编织经纱（2）和纬纱（3）制成的织物（4）的方法，每根纱线（3）具有多个纤维丝束（1）。 在织物（4）的表面上设有接触体（6），其间具有保护膜（5），并且使接触体（6）倾斜地在织物（4）上移动，并且在相对 相对于经纱（2）或纬纱（3）的纵向方向，由此使经纱（2）或纬纱（3）扩展。
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公开(公告)号：EP2138522A1
公开(公告)日：2009-12-30
申请号：EP08740291.3
申请日：2008-04-11
申请人： Toho Tenax Co., Ltd.
IPC分类号： C08G59/50 , C08J5/24 , C08L63/00 , C08L101/00
CPC分类号： C08J5/24 , C08G59/504 , C08J3/241 , C08J2363/00 , C08K5/41 , C08L63/00 , C08L2205/14 , Y10T156/10 , Y10T428/24994 , Y10T428/249948 , Y10T428/24995 , Y10T428/249952 , Y10T428/25 , Y10T428/254 , Y10T428/2938 , Y10T428/31511 , Y10T428/31515 , C08L2666/02
摘要： The present invention discloses:
a resin composition comprising, as essential components, 100 parts by mass of a component (A) which is an epoxy resin, 41 to 80 parts by mass of a component (B) which is thermoplastic resin particles, and 20 to 50 parts by mass (in terms of diaminodiphenylsulfone) of a component (C) which is diaminodiphenylsulfone microencapsulated with a coating agent, in which resin composition the thermoplastic resin particles (B) comprise at least thermoplastic resin particles (B 1 ) having an average particle diameter of 1 to 50 µm and thermoplastic resin particles (B 2 ) having an average particle diameter of 2 to 100 µm at a mass ratio of 3:1 to 1:3 and the average particle diameter ratio D 2 /D 1 of the average particle diameter D 2 of the thermoplastic resin particles (B 2 ) to the average particle diameter D 1 of the thermoplastic resin particles (B 1 ) is 2 or more, and
a prepreg produced using the resin composition.摘要翻译： 本发明公开了：作为必要成分的树脂组合物，作为环氧树脂的成分（A）100质量份，作为热塑性树脂粒子的成分（B）为41〜80质量份， 至50质量份（以二氨基二苯基砜计），该组分（C）是用涂料微胶囊化的二氨基二苯砜，其中树脂组合物热塑性树脂颗粒（B）至少包含具有平均值的热塑性树脂颗粒（B 1） 粒径为1〜50μm，平均粒径为2〜100μm的热塑性树脂粒子（B 2）的质量比为3：1〜1：3，平均粒径比D 2 / D 1为 热塑性树脂粒子（B 2）的平均粒径D 2与热塑性树脂粒子（B 1）的平均粒径D 1为2以上，使用该树脂组合物制作的预浸料坯。
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10.发明公开RESIN COMPOSITION FOR RADIATION CURING AND PREPREG 有权HARZZUSAMMENSETZUNGFÜRDIESTRAHLENHÄRTUNGUND PREPREG
公开(公告)号：EP1947130A1
公开(公告)日：2008-07-23
申请号：EP06797520.1
申请日：2006-09-06
申请人： Toho Tenax Co., Ltd.
发明人： YOKOE, Yasuyuki
CPC分类号： C08L81/06 , C08G59/68 , C08G65/18 , C08J5/24 , C08J2363/00 , C08K5/55 , Y10T428/2971 , C08L2666/22 , C08L81/00
摘要： A radiation-curing resin composition that includes a resin component that includes an epoxy resin and/or oxetane resin having a naphthalene structure or a biphenyl structure, a boron-based diaryliodonium salt polymerization initiator represented by a specific formula at 0.005 to 0.5 mol per kg of the resin component, and a viscosity adjusting agent, the resin composition having a viscosity at 50°C of at least 50 Pa·s, and a prepreg obtained by impregnating a fiber reinforcement with such a resin composition. This resin composition has excellent reactivity, and a prepreg formed from this resin composition and a fiber reinforcement is used for producing a composite material/member suitable for the aerospace field in particular.
摘要翻译： 包含环氧树脂和/或具有萘结构或联苯结构的氧杂环丁烷树脂的树脂组分的辐射固化树脂组合物，以每公斤0.005至0.5mol的特定式表示的硼基二芳基碘盐聚合引发剂 的树脂组分和粘度调节剂，所述树脂组合物在50℃下的粘度为至少50Pa·s，以及通过用这种树脂组合物浸渍纤维增强剂而获得的预浸料。 该树脂组合物具有优异的反应性，并且由该树脂组合物形成的预浸料和纤维增强材料用于特别适用于航天领域的复合材料/构件。
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