JP2005320641A5 - - Google Patents

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Publication number
JP2005320641A5
JP2005320641A5 JP2004137443A JP2004137443A JP2005320641A5 JP 2005320641 A5 JP2005320641 A5 JP 2005320641A5 JP 2004137443 A JP2004137443 A JP 2004137443A JP 2004137443 A JP2004137443 A JP 2004137443A JP 2005320641 A5 JP2005320641 A5 JP 2005320641A5
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JP
Japan
Prior art keywords
carbon fiber
fiber bundle
bundle according
resin
weight
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Pending
Application number
JP2004137443A
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Japanese (ja)
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JP2005320641A (en
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Priority to JP2004137443A priority Critical patent/JP2005320641A/en
Priority claimed from JP2004137443A external-priority patent/JP2005320641A/en
Publication of JP2005320641A publication Critical patent/JP2005320641A/en
Publication of JP2005320641A5 publication Critical patent/JP2005320641A5/ja
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Claims (14)

実表面積Ｓｒと投影面積Ｓｐとの比Ｓｒ／Ｓｐが１≦Ｓｒ／Ｓｐ＜１．０５の範囲である単繊維から構成され、エポキシ樹脂、水溶性ポリウレタン樹脂、およびポリエーテル樹脂を含むサイジング剤が付着してなることを特徴とする炭素繊維束。 A sizing agent comprising a single fiber in which the ratio Sr / Sp of the actual surface area Sr to the projected area Sp is in the range of 1 ≦ Sr / Sp <1.05 and comprising an epoxy resin, a water-soluble polyurethane resin, and a polyether resin is provided. A carbon fiber bundle characterized by adhering. 前記エポキシ樹脂がビスフェノールＡ型エポキシ樹脂である、請求項１記載の炭素繊維束。 The carbon fiber bundle according to claim 1, wherein the epoxy resin is a bisphenol A type epoxy resin. 前記水溶性ポリウレタン樹脂が軟化温度５０〜２００℃、伸度２０〜５００％である、請求項１または２に記載の炭素繊維束。 The carbon fiber bundle according to claim 1 or 2, wherein the water-soluble polyurethane resin has a softening temperature of 50 to 200 ° C and an elongation of 20 to 500%. 前記ポリエーテル樹脂が下記一般式（１）で示される、請求項１〜３のいずれかに記載の炭素繊維束。
Ｒ１−Ｏ−（ＣＨ２ＣＨ２Ｏ）ａ／（ＣＨ２ＣＨＣＨ３Ｏ）ｂ−Ｒ２・・・（１）
（Ｒ１：脂肪族炭化水素基、芳香族炭化水素基、又は脂環族炭化水素基、Ｒ２：水素又はグリシジル基ａ＋ｂ：１〜６０の整数） The carbon fiber bundle according to any one of claims 1 to 3, wherein the polyether resin is represented by the following general formula (1).
R 1 -O- (CH 2 CH 2 O) a / (CH 2 CHCH 3 O) b -R 2 ··· (1)
(R1: aliphatic hydrocarbon group, aromatic hydrocarbon group, or alicyclic hydrocarbon group, R2: hydrogen or glycidyl group a + b: an integer of 1-60) 前記サイジング剤が脂肪酸エステルを含む請求項１〜４のいずれかに記載の炭素繊維束。 The carbon fiber bundle according to any one of claims 1 to 4, wherein the sizing agent contains a fatty acid ester. 前記脂肪酸エステルが１〜４価のエステルであり、炭素繊維１〜３０のアルキル基又はアルキレン基を有する、請求項５に記載の炭素繊維束。 The carbon fiber bundle according to claim 5, wherein the fatty acid ester is a monovalent to tetravalent ester and has an alkyl group or an alkylene group of carbon fibers 1 to 30. 前記サイジング剤において、エポキシ樹脂１００重量部に対して、脂肪酸エステルが５〜１００重量部含まれる請求項６記載の炭素繊維束。 The carbon fiber bundle according to claim 6 , wherein the sizing agent contains 5 to 100 parts by weight of a fatty acid ester with respect to 100 parts by weight of the epoxy resin. 前記サイジング剤において、エポキシ樹脂１００重量部に対して水溶性ポリウレタン樹脂が５〜１５０重量部、ポリエーテル樹脂が５〜１００重量部含まれる請求項１〜７のいずれかに記載の炭素繊維束。 The carbon fiber bundle according to any one of claims 1 to 7, wherein the sizing agent contains 5 to 150 parts by weight of a water-soluble polyurethane resin and 5 to 100 parts by weight of a polyether resin with respect to 100 parts by weight of an epoxy resin. 前記サイジング剤の被膜粘度が４，０００〜１０，０００ｍＰａ・ｓ以下である請求項１〜８のいずれかに記載の炭素繊維束。 The carbon fiber bundle according to any one of claims 1 to 8, wherein the coating viscosity of the sizing agent is 4,000 to 10,000 mPa · s or less. 請求項１〜９のいずれかに記載の炭素繊維束と熱硬化製樹脂組成物とからなるプリプレグ。 A prepreg comprising the carbon fiber bundle according to any one of claims 1 to 9 and a thermosetting resin composition. 請求項１〜９のいずれかに記載の炭素繊維束と樹脂硬化物からなる繊維強化複合材料。 A fiber-reinforced composite material comprising the carbon fiber bundle according to claim 1 and a cured resin. 請求項１〜９のいずれかに記載の炭素繊維束からなる布帛。 A fabric comprising the carbon fiber bundle according to any one of claims 1 to 9 . 請求項１２記載の布帛と熱硬化性樹脂組成物からなるプリプレグ。 A prepreg comprising the fabric according to claim 12 and a thermosetting resin composition. 請求項１２記載の布帛と樹脂硬化物とからなる繊維強化複合材料。 A fiber-reinforced composite material comprising the fabric according to claim 12 and a cured resin.
JP2004137443A 2004-05-06 2004-05-06 Sizing agent, carbon fiber and carbon fiber-reinforced composite material Pending JP2005320641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004137443A JP2005320641A (en) 2004-05-06 2004-05-06 Sizing agent, carbon fiber and carbon fiber-reinforced composite material

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Application Number Priority Date Filing Date Title
JP2004137443A JP2005320641A (en) 2004-05-06 2004-05-06 Sizing agent, carbon fiber and carbon fiber-reinforced composite material

Publications (2)

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JP2005320641A JP2005320641A (en) 2005-11-17
JP2005320641A5 true JP2005320641A5 (en) 2009-07-02

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Publication number Priority date Publication date Assignee Title
JP4866701B2 (en) * 2006-10-12 2012-02-01 三菱レイヨン株式会社 Carbon fiber sizing agent, sizing treated carbon fiber, sheet
TR201904261T4 (en) * 2010-01-20 2019-05-21 Toray Industries Carbon fiber bundles.
US9593444B2 (en) 2010-06-30 2017-03-14 Toray Industries, Inc. Method for producing sizing agent-coated carbon fibers, and sizing agent-coated carbon fibers
JP5497908B2 (en) * 2011-08-22 2014-05-21 三菱レイヨン株式会社 Carbon fiber sizing agent, aqueous dispersion thereof, carbon fiber bundle with attached sizing agent, sheet-like material, and carbon fiber reinforced composite material
CA2850719A1 (en) 2011-10-04 2013-04-11 Toray Industries, Inc. Carbon fiber-reinforced thermoplastic resin composition, molding material, prepreg, and methods for producing same
MX369404B (en) 2011-12-05 2019-11-07 Toray Industries Carbon fiber molding material, molding material, and carbon fiber-strengthening composite material.
JP6702414B2 (en) * 2017-03-29 2020-06-03 三菱ケミカル株式会社 Prepreg, method for manufacturing resin-impregnated material, and apparatus for manufacturing resin-impregnated material
CN108360263B (en) * 2018-02-07 2020-07-14 航天材料及工艺研究所 High-activity interface reinforcing agent for rapid in-situ composite 3D printing composite material and preparation method thereof
CN109252373B (en) * 2018-07-30 2020-03-31 江苏澳盛复合材料科技有限公司 Carbon fiber surface sizing agent and application thereof
CN110130109A (en) * 2019-04-17 2019-08-16 镇江市高等专科学校 A kind of novel carbon fiber sizing agent
CN110983778A (en) * 2019-12-13 2020-04-10 西安鑫垚陶瓷复合材料有限公司 Sizing method for improving wear resistance of carbon fiber

Family Cites Families (8)

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JPH0665787B2 (en) * 1987-12-19 1994-08-24 東邦レーヨン株式会社 Carbon fiber strand sizing method
JP2957467B2 (en) * 1996-03-11 1999-10-04 東邦レーヨン株式会社 Sizing agent for carbon fiber strand, sized carbon fiber strand, and prepreg using carbon fiber strand as reinforcing fiber
JP4230069B2 (en) * 1999-10-21 2009-02-25 東邦テナックス株式会社 Reinforcing fiber fabric, prepreg, reinforcing fiber composite, and method for producing reinforcing fiber fabric
JP2001316980A (en) * 2000-03-03 2001-11-16 Sanyo Chem Ind Ltd Resin composition for bundling fiber
JP4304833B2 (en) * 2000-06-27 2009-07-29 東レ株式会社 Carbon fiber reinforcing fabric, wet prepreg using the fabric, and method for producing the same
JP2002061035A (en) * 2000-08-10 2002-02-28 Toray Ind Inc Carbon fiber and method for manufacturing the same, and carbon fiber reinforced composite material
JP4177041B2 (en) * 2002-07-18 2008-11-05 三菱レイヨン株式会社 Manufacturing method of fiber reinforced composite material
JP2004099814A (en) * 2002-09-12 2004-04-02 Toray Ind Inc Prepreg and fiber-reinforced composite material

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