JP2015007300A5 - - Google Patents

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JP2015007300A5
JP2015007300A5 JP2013133548A JP2013133548A JP2015007300A5 JP 2015007300 A5 JP2015007300 A5 JP 2015007300A5 JP 2013133548 A JP2013133548 A JP 2013133548A JP 2013133548 A JP2013133548 A JP 2013133548A JP 2015007300 A5 JP2015007300 A5 JP 2015007300A5
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carbon fiber
sizing agent
group
coated
compound
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JP2013133548A
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JP2015007300A (en
JP6175936B2 (en
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Claims (9)

少なくとも、エポキシ当量が３６０ｇ／ｅｑ．以下の脂肪族エポキシ化合物（Ａ）と一分子内に末端不飽和基と極性基を有する化合物（Ｂ）を含むサイジング剤を（Ａ）／（Ｂ）の質量比３０／７０〜７０／３０の割合で炭素繊維に塗布したことを特徴とするサイジング剤塗布炭素繊維。 At least the epoxy equivalent is 360 g / eq. A sizing agent containing the following aliphatic epoxy compound (A) and a compound (B) having a terminal unsaturated group and a polar group in one molecule has a mass ratio of (A) / (B) of 30/70 to 70/30. A carbon fiber coated with a sizing agent, characterized in that the carbon fiber is coated at a ratio. 前記化合物（Ａ）がグリセロール、ジグリセロール、ポリグリセロール、トリメチロールプロパン、ペンタエリスリトール、ソルビトール、およびアラビトールから選択される１種と、エピクロロヒドリンとの反応により得られるグリシジルエーテル型エポキシ化合物である、請求項１記載のサイジング剤塗布炭素繊維。 The compound (A) is a glycidyl ether type epoxy compound obtained by reacting one selected from glycerol, diglycerol, polyglycerol, trimethylolpropane, pentaerythritol, sorbitol, and arabitol with epichlorohydrin. The sizing agent-coated carbon fiber according to claim 1. 前記末端不飽和基が、ビニル基、アクリレート基、およびメタクリレート基から選ばれたものである、請求項１または２記載のサイジング剤塗布炭素繊維。 The sizing agent-coated carbon fiber according to claim 1 or 2, wherein the terminal unsaturated group is selected from a vinyl group, an acrylate group, and a methacrylate group. 前記極性基が、アミド結合、イミド結合、ウレタン結合、ウレア結合、イソシアネート基、およびスルホ基から選ばれたものである、請求項１から３のいずれか一つに記載のサイジング剤塗布炭素繊維。 The sizing agent-coated carbon fiber according to any one of claims 1 to 3, wherein the polar group is selected from an amide bond, an imide bond, a urethane bond, a urea bond, an isocyanate group, and a sulfo group. 前記化合物（Ｂ）が１分子内に４つの末端不飽和基を持つ、請求項１〜４のいずれか一つに記載のサイジング剤塗布炭素繊維。 The sizing agent-coated carbon fiber according to any one of claims 1 to 4, wherein the compound (B) has four terminal unsaturated groups in one molecule. 前記炭素繊維のＸ線光電子分光法により測定される繊維表面の酸素（Ｏ）と炭素（Ｃ）の原子数の比である表面酸素濃度（Ｏ／Ｃ）が０．１０以上である、請求項１〜５のいずれか一つに記載のサイジング剤塗布炭素繊維。 The surface oxygen concentration (O / C) which is a ratio of the number of atoms of oxygen (O) and carbon (C) on the fiber surface measured by X-ray photoelectron spectroscopy of the carbon fiber is 0.10 or more. Sizing agent application | coating carbon fiber as described in any one of 1-5. 炭素繊維に、少なくともエポキシ当量が３６０ｇ／ｅｑ．以下の脂肪族エポキシ化合物（Ａ）と一分子内に末端不飽和基と極性基を有する化合物（Ｂ）を含むサイジング剤水溶液を塗布した後、１６０〜２６０℃の温度範囲で３０〜６００秒熱処理する工程を含む、請求項１〜６のいずれか一つに記載のサイジング剤塗布炭素繊維の製造方法。 The carbon fiber has at least an epoxy equivalent of 360 g / eq. After applying the following aliphatic epoxy compound (A) and a sizing agent aqueous solution containing a compound (B) having a terminal unsaturated group and a polar group in one molecule, heat treatment is performed at a temperature range of 160 to 260 ° C. for 30 to 600 seconds. The manufacturing method of the sizing agent application | coating carbon fiber as described in any one of Claims 1-6 including the process to do. 請求項１〜６のいずれか一つに記載のサイジング剤塗布炭素繊維と、ビニルエステル樹脂あるいは不飽和ポリエステル樹脂を主成分とする樹脂からなる炭素繊維強化複合材料。 And sizing agent applying carbon textiles according to any one of claims 1 to 6, carbon fiber reinforced composite material comprising a resin composed mainly of a vinyl ester resin or unsaturated polyester resin. 前記サイジング剤塗布炭素繊維を織物または一方向に引き揃えたシート状物の形態で用いる、請求項８に記載の炭素繊維強化複合材料。 The carbon fiber reinforced composite material according to claim 8, wherein the sizing agent-coated carbon fiber is used in the form of a woven fabric or a sheet-like material aligned in one direction.
JP2013133548A 2013-06-26 2013-06-26 Carbon fiber coated with sizing agent and production method thereof, carbon fiber reinforced composite material Active JP6175936B2 (en)

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JP2015007300A JP2015007300A (en) 2015-01-15
JP2015007300A5 true JP2015007300A5 (en) 2016-05-19
JP6175936B2 JP6175936B2 (en) 2017-08-09

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WO2016143371A1 (en) * 2015-03-06 2016-09-15 東レ株式会社 Sizing-agent-coated carbon fibers, process for producing sizing-agent-coated carbon fibers, carbon-fiber-reinforced composite material, and process for producing carbon-fiber-reinforced composite material
JP5967333B1 (en) * 2015-03-06 2016-08-10 東レ株式会社 Sizing agent coated carbon fiber, method for producing sizing agent coated carbon fiber, carbon fiber reinforced composite material, and method for producing carbon fiber reinforced composite material
JP6512379B1 (en) 2017-05-26 2019-05-15 Dic株式会社 Fiber focusing agent, fiber material, molding material and molded article
JP2019210587A (en) * 2018-05-30 2019-12-12 東レ株式会社 Sizing agent-coated carbon fiber bundle and manufacturing method therefor
JP6787536B2 (en) 2018-11-20 2020-11-18 Dic株式会社 Fiber sizing agents, fiber materials, molding materials and molded products
JP7196126B2 (en) * 2020-03-18 2022-12-26 株式会社有沢製作所 Connecting member for vehicle structure
CN112359605B (en) * 2020-11-15 2022-10-04 西安长峰机电研究所 Unsaturated carbon fiber sizing agent and preparation method thereof
JPWO2023153372A1 (en) * 2022-02-09 2023-08-17
WO2024090196A1 (en) * 2022-10-24 2024-05-02 東レ株式会社 Carbon fiber bundle, and carbon fiber-reinforced composite material using same

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JP3807066B2 (en) * 1998-01-06 2006-08-09 東レ株式会社 Sizing agent for carbon fiber, carbon fiber sized by the same, and composite material comprising the same
TW591157B (en) * 2001-05-25 2004-06-11 Mitsubishi Rayon Co Sizing agent for carbon fiber, its water dispersing solution, carbon fiber with sizing handling, sheet matter with using the carbon fiber and carbon fiber reinforced composite
JP4426772B2 (en) * 2003-04-16 2010-03-03 三菱レイヨン株式会社 Carbon fiber manufacturing method
JP4349118B2 (en) * 2003-12-19 2009-10-21 東レ株式会社 Method for producing sizing-coated carbon fiber
JP5222243B2 (en) * 2009-07-13 2013-06-26 松本油脂製薬株式会社 Reinforcing fiber sizing agents, synthetic fiber strands and fiber reinforced composites
JP6003223B2 (en) * 2011-05-30 2016-10-05 東レ株式会社 Composite reinforcing fiber bundle, method for producing the same, and molding material

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