专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2005105151A Epoxy resin composition 有权
标题翻译：环氧树脂组合物
公开(公告)号：JP2005105151A
公开(公告)日：2005-04-21
申请号：JP2003340995
申请日：2003-09-30
申请人： Toho Tenax Co Ltd , 東邦テナックス株式会社
发明人： TOMINAGA HIDEAKI , ENDO YOSHIHIRO
IPC分类号： C08J5/24 , C08G59/56
摘要： PROBLEM TO BE SOLVED: To provide an epoxy resin composition capable of providing a fiber-reinforced composite molded product excellent in both of stiffness and toughness when using it as a matrix resin for fiber-reinforced composite molded products and to provide a prepreg and the fiber-reinforced composite molded product by using the resin composition. SOLUTION: The epoxy resin composition comprises (A) an epoxy resin containing ≥80 mass% epoxy resin having at least three epoxy groups in one molecule, (B) a PES (polyether sulfone) and (C) an aromatic amine-based curing agent at a specific ratio. In the epoxy resin composition, the PES (B) has at least one functional group capable of reacting with an epoxy resin at both ends or one end of the molecular chain and the PES is formulated in two forms of a state dissolved in the epoxy resin composition and a state finely dispersed in 1-5 μm average particle diameter. The content of the PES formulated in finely dispersed in the epoxy resin composition is preferably 10-60 mass% based on total amount of PES formulated. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种环氧树脂组合物，其能够提供当将其用作纤维增强复合模制产品的基质树脂时在刚性和韧性方面均优异的纤维增强复合模塑制品，并提供预浸料和纤维增强复合成型体。环氧树脂组合物包含：（A）含有≥80质量％环氧树脂的环氧树脂，其在一分子中具有至少三个环氧基，（B）PES（聚醚砜）和（C）芳族胺 - 基固化剂。在环氧树脂组合物中，PES（B）具有至少一个能够与环氧树脂在分子链的两端或一端反应的官能团，并且PES被配制成溶解在环氧树脂中的两种形式组成和细微分散在1-5μm平均粒径的状态。在环氧树脂组合物中精细分散的PES的含量相对于配制的PES的总量优选为10〜60质量％。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2015025221A 炭素繊維およびその製造方法有权
标题翻译：碳纤维及其生产方法
公开(公告)号：JP2015025221A
公开(公告)日：2015-02-05
申请号：JP2013155734
申请日：2013-07-26
申请人：東邦テナックス株式会社 , Toho Tenax Co Ltd
发明人： OBATA MASAKO , YOSHIKAWA HIDEKAZU , ENDO YOSHIHIRO
IPC分类号： D01F9/22
摘要：【課題】本発明の目的は、太繊度であっても内部欠陥の少ない炭素繊維を提供することにある。【解決手段】本発明の炭素繊維は、単繊維直径が6μm以上の炭素繊維であって、炭素繊維を体積平均粒子径0.5μmに粉砕して測定するヘリウム充填法による炭素繊維密度が1.85g/cm3以上の炭素繊維である。本発明の炭素繊維の製造方法は、ポリアクリロニトリル系前駆体繊維を耐炎化処理し得られた耐炎化繊維を炭素化処理する炭素繊維の製造方法であって、耐炎化繊維を350〜550℃の処理温度で、1.00倍より高い延伸倍率で第1炭素化処理し第1炭素化繊維を得、前記第1炭素化繊維を、650〜850℃の処理温度で、1.00倍より高い延伸倍率で第2炭素化処理した後、さらに1000℃以上の処理温度で第3炭素化する炭素繊維の製造方法である。【選択図】なし
摘要翻译：要解决的问题：提供即使在高细度时也能减少内部缺陷的碳纤维。溶解性：碳纤维的单纤维直径为6μm以上，碳纤维密度为1.85g / cm 3以上通过基于通过将碳纤维破碎至体积平均粒径为0.5μm的测量的氦填充方法测量。碳纤维的制造方法是基于通过对聚丙烯腈系前体纤维进行阻燃处理而得到的耐火纤维的碳化处理，其特征在于，对所述耐火纤维进行第一次碳化处理，处理温度为 350-550℃，拉伸比高于1.00倍，得到第一碳化纤维，并在650-850℃的处理温度下以第一碳化纤维进行第二次碳化处理，拉伸比高于1.00倍，然后在处理温度为1000℃以上进行第三次碳化处理。

3. 发明专利

JP2004292604A Continuous production process for strand prepreg 审中-公开
公开(公告)号：JP2004292604A
公开(公告)日：2004-10-21
申请号：JP2003086385
申请日：2003-03-26
申请人： Toho Tenax Co Ltd , 東邦テナックス株式会社
发明人： TATSUTA HIROYUKI , SAKAMOTO HAJIME , ENDO YOSHIHIRO
IPC分类号： C08J5/24
摘要： PROBLEM TO BE SOLVED: To provide a continuous manufacturing process by which a strand prepreg having a small variation in water content and a reduced amount of voids is manufactured with a good long-term productivity.
SOLUTION: This continuous manufacturing process for the strand prepreg comprises feeding a molten matrix resin from a resin jetting port 5 between reinforced fiber bundles 2a and 2b continuously running parallel with each other, laminating the reinforced fiber bundles 2a and 2b by meas of lamination rollers 4a and 4b, impregnating the reinforced fiber bundles 2a and 2b with the matrix resin and bonding the bundles with each other by passing them through impregnation rollers 8 and pressing them in the direction of lamination under heat.
COPYRIGHT: (C)2005,JPO&NCIPI

4. 发明专利

JP2004277481A Epoxy resin composition 有权
公开(公告)号：JP2004277481A
公开(公告)日：2004-10-07
申请号：JP2003067850
申请日：2003-03-13
申请人： Toho Tenax Co Ltd , 東邦テナックス株式会社
发明人： TOMINAGA HIDEAKI , ENDO YOSHIHIRO
IPC分类号： C08J5/24 , C08G59/32 , C08G59/50 , C08L63/00 , C08L79/08 , C08L81/06
摘要： PROBLEM TO BE SOLVED: To provide an epoxy resin composition which can give a fiber-reinforced composite molded article having excellent rigidity and toughness, when used as a matrix resin for a fiber-reinforced composite molding material, to provide a prepreg using the same, and to provide a fiber-reinforced composite molded article using the same.
SOLUTION: This epoxy resin composition is characterized by comprising 100 pts. mass of an epoxy resin (A) containing ≥80 mass % of an epoxy resin having at least three epoxy groups in the molecule, 30 to 50 pts. mass of a thermoplastic resin (B) and 20 to 50 pts. mass of an aromatic amine-based curing agent (C).
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2004189811A Woven fabric prepreg 审中-公开
公开(公告)号：JP2004189811A
公开(公告)日：2004-07-08
申请号：JP2002357462
申请日：2002-12-10
申请人： Toho Tenax Co Ltd , 東邦テナックス株式会社
发明人： SAKAMOTO HAJIME , TATSUTA HIROYUKI , ENDO YOSHIHIRO
IPC分类号： C08J5/24 , C08G59/72 , C08K5/56 , C08L63/02
摘要： PROBLEM TO BE SOLVED: To obtain woven fabric prepreg for fiber-reinforced composite materials, which exhibits excellent mechanical properties and excellent moldability under low pressure.
SOLUTION: The woven fabric prepreg for fiber-reinforced composite materials is woven fabric prepreg comprising a woven fabric of a reinforced fiber material and a matrix resin. The matrix resin consists of [A] a mixture of a bisphenol F-type epoxy resin and a polyfunctional epoxy resin, [B] an acid anhydride, [C] a Lewis acid salt and [D] an organoaluminum compound.
COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2006096872A Radiation-curable resin composition and prepreg given by using the same 审中-公开
标题翻译：可辐射固化树脂组合物和使用它们的PREPREG
公开(公告)号：JP2006096872A
公开(公告)日：2006-04-13
申请号：JP2004284698
申请日：2004-09-29
申请人： Toho Tenax Co Ltd , 東邦テナックス株式会社
发明人： YOKOE YASUYUKI , NAITO TAKESHI , ENDO YOSHIHIRO , TOMINAGA HIDEAKI , SANAI SHUSUKE
IPC分类号： C08L87/00 , C08J5/24 , C08K5/55 , C08L63/00 , C08L71/00
摘要： PROBLEM TO BE SOLVED: To provide a radiation-curable resin composition excellent in reactivity, and to provide a prepreg formed out of the resin composition and a fiber reinforcing material, especially, useful for forming a composite material or a component utilizable in aeronautic and space fields.
SOLUTION: This radiation-curable resin composition comprises a resin component which comprises a combination of a resin (A) in an amount of 50-99 wt% and a resin (B1) and/or a resin (B2) in an amount of 50-1 wt%, and further the composition comprises a polymerization initiator (C) in an amount of 0.005-0.5 mol based on 1 kg of the resin component, wherein the resin (A) has a ring functional group having higher basicity when compared with that of a ring-opened product, the resin (B1) has a functional group comprising a compound having a strain energy of ≥80 kJ/mol as a ring monomer, the resin (B2) has a ring functional group having higher basicity when compared with that of a ring-opened product and further has relatively lower viscosity when compared with that of the resin (A), and the polymerization initiator (C) comprises a boron-based diaryl iodonium salt expressed by specific formula. The prepreg is obtained by impregnating the fiber reinforcing material with the resin composition.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供反应性优异的辐射固化树脂组合物，并提供由树脂组合物形成的预浸料和纤维增强材料，特别是可用于形成复合材料或可用于航空和太空领域。解决方案：该辐射固化树脂组合物包含树脂组分，其包含50-99重量％的树脂（A）和树脂（B1）和/或树脂（B2）的组合，其中量为50-1重量％，另外该组合物包含基于1kg树脂组分为0.005-0.5摩尔的聚合引发剂（C），其中树脂（A）具有较高碱性的环官能团与开环产物相比，树脂（B1）具有作为环状单体的具有≥80kJ/ mol的应变能的化合物的官能团，树脂（B2）具有较高的环状官能团与开环产品相比具有碱性，并且与树脂（A）相比具有相对较低的粘度，并且聚合引发剂（C）包含由具体式表示的硼基二芳基碘鎓盐。通过用树脂组合物浸渍纤维增强材料来获得预浸料。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005255927A Thermoplastic resin prepreg and its manufacturing process 审中-公开
标题翻译：热塑性树脂制品及其制造工艺
公开(公告)号：JP2005255927A
公开(公告)日：2005-09-22
申请号：JP2004072288
申请日：2004-03-15
申请人： Toho Tenax Co Ltd , 東邦テナックス株式会社
发明人： TATSUTA HIROYUKI , IIZUKA YOSHIO , ENDO YOSHIHIRO
IPC分类号： C08J5/24 , C08K7/02 , C08L101/00
摘要： PROBLEM TO BE SOLVED: To provide a prepreg which comprises a sheet-like reinforced fiber material and a thermoplastic resin impregnated in it and has an improved variation in the total weight and an excellent uniformity. SOLUTION: The prepreg is obtained by (1) arranging two or more strands of the reinforced fiber material in one direction to form a sheet-like material and adjusting the width of the strand to satisfy the inequality below and the variation in the strand pitch to be below 7% before introducing the sheet-like material into a treatment bath containing the thermoplastic resin, (2) introducing and immersing the sheet-like material in the treatment bath to stick the thermoplastic resin in the material and (3) tentering the sheet-like material taken up from the bath. The inequality is W/0.7≥1000×Y/F, wherein W is a strand width (mm): F is the weight of the sheet-like material (g/m 2 ); Y is the weight of the strand per unit length (g/m). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种预浸料，其包括片状增强纤维材料和浸渍在其中的热塑性树脂，并且具有改善的总重量变化和优异的均匀性。解决方案：预浸料通过以下步骤获得：（1）在一个方向上布置两股或多股增强纤维材料以形成片状材料，并调整股线的宽度以满足以下不等式以及在将片状材料引入到含有热塑性树脂的处理槽中之前，将线材间距设定为7％以下，（2）将片状材料引入并浸渍在处理槽中以将热塑性树脂粘贴在材料中，（3）拉起从浴中取出的片状材料。不等式为W /0.7≥1000×Y / F，其中W是股线宽度（mm）：F是片状材料的重量（g / m 2 ）; Y是单位长度的重量（g / m）。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004091719A Method for recovering carbon fiber 审中-公开
公开(公告)号：JP2004091719A
公开(公告)日：2004-03-25
申请号：JP2002257489
申请日：2002-09-03
申请人： National Institute Of Advanced Industrial & Technology , Toho Tenax Co Ltd , 東邦テナックス株式会社 , 独立行政法人産業技術総合研究所
发明人： ENDO YOSHIHIRO , MIURA YUTAKA , SATO YOSHIKI
IPC分类号： C08J11/20 , C08J11/16
CPC分类号： Y02W30/705 , Y02W30/706
摘要： PROBLEM TO BE SOLVED: To provide a method for recovering carbon fibers (CF) in a carbon fiber-reinforced plastic (CFRP) by using a solvent, capable of increasing the decomposition and removal rate of a matrix resin of the CFRP and also recovering the CF while maintaining the high strength of the CF. SOLUTION: This method for recovering the CF in the CFRP is provided by pressurizing and heating a mixture of the CFRP and tetralin or decalin, further more preferably of the CFRP with tetralin and incorporated with a catalyst such as Na 2 CO 3 , CaCO 3 , etc., as necessary under a non-oxidative gas atmosphere to decompose and remove the resin in the CFRP. COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2004043769A Epoxy resin composition, roving prepreg and its manufacturing method 有权
公开(公告)号：JP2004043769A
公开(公告)日：2004-02-12
申请号：JP2002370862
申请日：2002-12-20
申请人： Ihi Aerospace Co Ltd , Toho Tenax Co Ltd , 東邦テナックス株式会社 , 株式会社アイ・エイチ・アイ・エアロスペース
发明人： NAITO TAKESHI , SAKAMOTO HAJIME , ENDO YOSHIHIRO , MIYAGAWA KIYOSHI , SHIGENARI TAMOTSU
IPC分类号： C08J5/24 , C08G59/58
摘要： PROBLEM TO BE SOLVED: To provide an epoxy resin composition useful as a matrix resin of fiber reinforced composite materials and to provide roving prepreg which can demonstrate excellent mechanical properties and is excellent in low pressure moldability. SOLUTION: The epoxy resin composition is composed of [A] an epoxy resin of 100 pts.mass, [B] an acid anhydride of 10-20 pts.mass, [C] a boron trichloride amine complex of 2-10 pts.mass and [D] an organoaluminium compound of 0.1-1 pts.mass. The roving prepreg is composed of a fiber reinforcing material and the above mentioned epoxy resin composition and shows rate of adhesion area of at least 70% when molded at 80°C under molding pressure of 0.02MPa. COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2015025222A 炭素繊維、その製造方法および複合材料有权
标题翻译：碳纤维，其生产方法和复合材料
公开(公告)号：JP2015025222A
公开(公告)日：2015-02-05
申请号：JP2013155735
申请日：2013-07-26
申请人：東邦テナックス株式会社 , Toho Tenax Co Ltd
发明人： OBATA MASAKO , YOSHIKAWA HIDEKAZU , ENDO YOSHIHIRO
IPC分类号： D01F9/22
摘要：【課題】本発明の目的は、耐衝撃性に優れた複合材料を与える、繊維断面方向の圧縮強度に優れた炭素繊維を提供することにある。【解決手段】本発明の炭素繊維は、ヘリウム充填法を用いてフィラメントの状態で測定した炭素繊維密度A(g/cm3)と、炭素繊維を体積平均粒子径0.5μmに粉砕して測定するヘリウム充填法による炭素繊維密度B(g/cm3)とが下記不等式(1)を満たし、かつ、結晶配向度が80%以下の炭素繊維である。A/B≦̸0.9・・・(1)本発明の炭素繊維の製造方法は、ポリアクリロニトリル系前駆体繊維を耐炎化処理し得られた耐炎化繊維を炭素化処理する炭素繊維の製造方法であって、耐炎化繊維を、350〜550℃の処理温度で、1.00倍より低い延伸倍率で第1炭素化処理し第1炭素化繊維を得、前記第1炭素化繊維を、が650〜850℃の処理温度で、1.00倍より低い延伸倍率で第2炭素化処理した後、さらに1000℃以上の処理温度で第3炭素化する炭素繊維の製造方法である。【選択図】なし
摘要翻译：要解决的问题：提供一种碳纤维，其提供耐冲击性优异并且纤维横截面方向的抗压强度优异的复合材料。解决方案：提供一种碳纤维，其具有碳纤维密度A（g / cm 3）），通过氦填充法以丝状态测定的碳纤维密度B（g / cm），通过氦填充法测定的碳纤维密度B（g / cm），包括将碳纤维粉碎至体积。平均粒径为0.5μm以下，满足不等式（1）A /B≤0.9，晶体取向度为80％以下。碳纤维的制造方法是基于通过对聚丙烯腈系前体纤维进行阻燃处理而得到的耐火纤维的碳化处理，其特征在于，对所述耐火纤维进行第一次碳化处理，处理温度为 350-550℃，拉伸比低于1.00倍，得到第一碳化纤维，并以650-850℃的处理温度以低于1.00倍的拉伸比对第一碳化纤维进行第二次碳化处理，然后在处理温度为1000℃以上进行第三次碳化处理。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式