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1. 发明授权

US09593238B2 Prepreg and carbon fiber reinforced composite material 有权
标题翻译：预浸料和碳纤维增强复合材料
公开(公告)号：US09593238B2
公开(公告)日：2017-03-14
申请号：US14429222
申请日：2013-07-16
申请人： TORAY INDUSTRIES, INC.
发明人： Nobuyuki Arai , Tomoko Ichikawa , Hiroshi Taiko , Makoto Endo , Masanobu Kobayashi , Jun Misumi
IPC分类号： C08J5/24 , C08L63/00 , D06M13/11 , D06M15/55 , D06M101/40 , B29B15/10 , C08K7/02
CPC分类号： C08L63/00 , C08J5/24 , C08J2300/24 , C08J2363/00 , C08J2481/06 , C08L2205/025 , C08L2205/035 , D06M13/11 , D06M15/55 , D06M2101/40
摘要： A prepreg includes; agent-coated carbon fibers coated with a sizing agent; and a thermosetting resin composition impregnated into the sizing agent-coated carbon fibers. The sizing agent includes an aliphatic epoxy compound (A) and an aromatic epoxy compound (B1). The sizing agent-coated carbon fibers are in a shape of woven fabric or braid. The thermosetting resin composition includes a thermosetting resin (D), a thermoplastic resin (F), and a latent hardener (G). The sizing agent-coated carbon fibers have an (a)/(b) ratio in a certain range where (a) is the height of a component at a binding energy assigned to CHx, C—C, and C═C and (b) is the height of a component at a binding energy assigned to C—O in a C1s core spectrum of the surfaces of the sizing agent-coated carbon fibers analyzed by X-ray photoelectron spectroscopy.
摘要翻译：预浸料包括用施胶剂涂覆的试剂涂覆的碳纤维; 和浸渍在施胶剂涂覆的碳纤维中的热固性树脂组合物。上浆剂包括脂族环氧化合物（A）和芳族环氧化合物（B1）。施胶剂涂覆的碳纤维是织造织物或编织物的形状。热固性树脂组合物包含热固性树脂（D），热塑性树脂（F）和潜在硬化剂（G）。施胶剂涂覆的碳纤维在一定范围内具有（a）/（b）比，其中（a）是分配给CHx，C-C和C = C的结合能的组分的高度，（b））是通过X射线光电子能谱分析的施胶剂涂覆的碳纤维的表面的C1s芯光谱中分配给C-O的结合能的组分的高度。

2. 发明授权

US10738171B2 Sizing-coated carbon fiber bundle, thermoplastic resin composition, molded body, method for manufacturing sizing-coated carbon fiber bundle, and method for manufacturing molded body 有权
公开(公告)号：US10738171B2
公开(公告)日：2020-08-11
申请号：US16466562
申请日：2017-11-10
申请人： TORAY INDUSTRIES, INC.
发明人： Takayuki Yomo , Kazuki Yoshihiro , Tomohisa Noguchi , Tomoko Ichikawa
IPC分类号： D06M13/224 , C08J5/06 , C08J5/04 , D06M13/325 , D06M13/402 , D06M101/40
摘要： Provided is a sizing-coated carbon fiber bundle that exhibits good spreadability in a step for spreading sizing-coated carbon fibers even in the case in which said carbon fibers exhibit a high adhesiveness with respect to a thermoplastic resin. Provided is a sizing-coated carbon fiber bundle that contains, as sizing components, at least a compound (A) containing an amino group or an amide group.

3. 发明授权

US10501605B2 Carbon fiber-reinforced resin composition, method for manufacturing carbon fiber-reinforced resin composition, molding material, method for manufacturing molding material, and carbon fiber-reinforced resin molded article 有权
公开(公告)号：US10501605B2
公开(公告)日：2019-12-10
申请号：US14435793
申请日：2013-08-06
申请人： TORAY INDUSTRIES, INC.
发明人： Tomoko Ichikawa , Atsuki Tsuchiya , Makoto Endo
IPC分类号： C08K9/04 , C08J5/04 , C08J5/06 , C08J5/24 , D06M13/11 , D06M15/55 , B29B7/00 , B29B11/16 , B29B15/10 , C09C3/08 , B29C70/06 , D06M101/40 , B29K63/00 , B29K307/04
CPC分类号： C08K9/04 , B29B7/002 , B29B11/16 , B29B15/105 , C08J5/042 , C08J5/06 , C08J5/24 , C09C3/08 , D06M13/11 , D06M15/55 , B29C70/06 , B29K2063/00 , B29K2307/04 , D06M2101/40 , Y10T428/2918
摘要： A carbon fiber-reinforced resin composition of the present invention includes: sizing agent-coated carbon fibers in which carbon fibers are coated with a sizing agent; and a matrix resin. The sizing agent includes at least an aliphatic epoxy compound (A) and an aromatic epoxy compound (B1) as an aromatic compound (B). The sizing agent-coated carbon fibers have a ratio (a)/(b) of 0.50 to 0.90 where (a) is the height (cps) of a component having a binding energy (284.6 eV) attributed to CHx, C—C, and C═C and (b) is the height (cps) of a component having binding energy (286.1 eV) attributed to C—O in a C1s core spectrum of the surface of the sizing agent measured by X-ray photoelectron spectroscopy at a photoelectron takeoff angle of 15°.

4. 发明授权

US09765194B2 Prepreg and carbon fiber-reinforced composite material 有权
公开(公告)号：US09765194B2
公开(公告)日：2017-09-19
申请号：US14417044
申请日：2013-07-16
申请人： TORAY INDUSTRIES, INC.
发明人： Nobuyuki Arai , Tomoko Ichikawa , Hiroshi Taiko , Makoto Endo , Masanobu Kobayashi , Jun Misumi
IPC分类号： C08J5/24 , C08G59/38 , D06M13/11 , C08L63/00 , D06M15/55 , C08J5/04 , C08J5/06 , B29C70/46 , C08K5/1515 , C09D163/00 , D06M101/40 , B29K63/00 , B29K105/08 , B29K307/04
CPC分类号： C08J5/24 , B29C70/46 , B29K2063/00 , B29K2105/0872 , B29K2307/04 , C08G59/38 , C08J5/042 , C08J5/06 , C08J2363/00 , C08K5/1515 , C08L63/00 , C09D163/00 , D06M13/11 , D06M15/55 , D06M2101/40 , Y10T428/249944
摘要： A prepreg includes; sizing agent-coated carbon fibers coated with a sizing agent; and a thermosetting resin composition impregnated into the sizing agent-coated carbon fibers. The sizing agent includes an aliphatic epoxy compound (A) and an aromatic compound (B) at least containing an aromatic epoxy compound (B1). The thermosetting resin composition includes a thermosetting resin (D) and a latent hardener (E), and optionally includes an additive (F) other than the thermosetting resin (D) and the latent hardener (E). The (a)/(b) ratio is within a predetermined range where (a) is the height of a component at a binding energy assigned to CHx, C—C, and C═C and (b) is the height of a component at a binding energy assigned to C—O in a C1s core spectrum of the surfaces of the sizing agent-coated carbon fibers analyzed by X-ray photoelectron spectroscopy.

5. 发明申请

US20150252184A1 PREPREG AND CARBON FIBER REINFORCED COMPOSITE MATERIAL 有权
标题翻译： PREPREG和碳纤维增强复合材料
公开(公告)号：US20150252184A1
公开(公告)日：2015-09-10
申请号：US14429222
申请日：2013-07-16
申请人： TORAY INDUSTRIES, INC.
发明人： Nobuyuki Arai , Tomoko Ichikawa , Hiroshi Taiko , Makoto Endo , Masanobu Kobayashi , Jun Misumi
IPC分类号： C08L63/00
CPC分类号： C08L63/00 , C08J5/24 , C08J2300/24 , C08J2363/00 , C08J2481/06 , C08L2205/025 , C08L2205/035 , D06M13/11 , D06M15/55 , D06M2101/40
摘要： To provide a prepreg and a carbon fiber reinforced composite material that are excellent in adhesion between a matrix resin and carbon fibers and long-term storage stability and also excellent in microcrack resistance due to the increased toughness. The present invention provides a prepreg that includes; agent-coated carbon fibers coated with a sizing agent; and a thermosetting resin composition impregnated into the sizing agent-coated carbon fibers. The sizing agent includes an aliphatic epoxy compound (A) and an aromatic epoxy compound (B1). The sizing agent-coated carbon fibers are in a shape of woven fabric or braid. The thermosetting resin composition includes a thermosetting resin (D), a thermoplastic resin (F), and a latent hardener (G). The sizing agent-coated carbon fibers have an (a)/(b) ratio in a certain range where (a) is the height of a component at a binding energy assigned to CHx, C—C, and C═C and (b) is the height of a component at a binding energy assigned to C—O in a C1s core spectrum of the surfaces of the sizing agent-coated carbon fibers analyzed by X-ray photoelectron spectroscopy.
摘要翻译：提供一种预浸料和碳纤维增强复合材料，其具有优异的基体树脂和碳纤维之间的粘合性和长期的储存稳定性，并且由于韧性的提高而具有优异的耐微裂纹性。本发明提供一种预浸料，其包括：用施胶剂涂覆的试剂涂覆的碳纤维; 和浸渍在施胶剂涂覆的碳纤维中的热固性树脂组合物。上浆剂包括脂族环氧化合物（A）和芳族环氧化合物（B1）。施胶剂涂覆的碳纤维是织造织物或编织物的形状。热固性树脂组合物包含热固性树脂（D），热塑性树脂（F）和潜在硬化剂（G）。施胶剂涂覆的碳纤维在一定范围内具有（a）/（b）比，其中（a）是分配给CHx，C-C和C = C的结合能的组分的高度，（b））是通过X射线光电子能谱分析的施胶剂涂覆的碳纤维的表面的C1s芯光谱中分配给C-O的结合能的组分的高度。

6. 发明授权

US11286359B2 Prepreg and carbon fiber-reinforced composite material 有权
公开(公告)号：US11286359B2
公开(公告)日：2022-03-29
申请号：US16533517
申请日：2019-08-06
申请人： TORAY INDUSTRIES, INC.
发明人： Nobuyuki Arai , Tomoko Ichikawa , Hiroshi Taiko , Makoto Endo , Masanobu Kobayashi , Jun Misumi
IPC分类号： C08J5/24 , C08G59/38 , D06M13/11 , C08L63/00 , D06M15/55 , C08J5/04 , C08J5/06 , B29C70/46 , C08K5/1515 , C09D163/00 , D06M101/40 , B29K63/00 , B29K105/08 , B29K307/04
摘要： A prepreg includes; sizing agent-coated carbon fibers coated with a sizing agent; and a thermosetting resin composition impregnated into the sizing agent-coated carbon fibers. The sizing agent includes an aliphatic epoxy compound (A) and an aromatic compound (B) at least containing an aromatic epoxy compound (B1). The thermosetting resin composition includes a thermosetting resin (D) and a latent hardener (E), and optionally includes an additive (F) other than the thermosetting resin (D) and the latent hardener (E). The (a)/(b) ratio is within a predetermined range where (a) is the height of a component at a binding energy assigned to CHx, C—C, and C═C and (b) is the height of a component at a binding energy assigned to C—O in a C1s core spectrum of the surfaces of the sizing agent-coated carbon fibers analyzed by X-ray photoelectron spectroscopy.

7. 发明授权

US10544275B2 Sizing agent coated carbon fiber bundle, method for manufacturing same, prepreg, and carbon fiber reinforced composite material 有权
公开(公告)号：US10544275B2
公开(公告)日：2020-01-28
申请号：US15526660
申请日：2016-01-13
申请人： TORAY INDUSTRIES, INC.
发明人： Takumi Hiasa , Daigo Kobayashi , Tomoko Ichikawa
IPC分类号： C08J5/24 , D06M13/11 , D06M15/70 , C08G59/14
摘要： Provided are a sizing agent coated carbon fiber bundle that has excellent mechanical characteristics when used as a carbon fiber reinforced composite material, as well as excellent ease of handling; a method for manufacturing the same; and a prepreg and carbon fiber reinforced composite material of excellent mechanical characteristics, employing the fiber bundle. The carbon fiber bundle is coated with a sizing agent that includes a polyether aliphatic epoxy compound having two or more epoxy groups per molecule and/or a polyol aliphatic epoxy compound or a non-water-soluble compound having a glass transition temperature of −100-50° C., wherein the sizing agent coated carbon fiber bundle is characterized in that the flatness ratio (width/thickness) of the carbon fiber bundle cross section is 10-150, and a two edge part/center part sizing agent deposition ratio, obtained by dividing the carbon fiber bundle in the width direction along the fiber direction into three equal parts by mass, and computing the ratio from the ratio of the mass of the sizing agent to the mass of the carbon fiber bundle in the center part and in both end parts, is 1.05-1.5.

8. 发明授权

US10138593B2 Sizing agent-coated carbon fibers, process for producing sizing agent-coated carbon fibers, prepreg, and carbon fiber reinforced composite material 有权
公开(公告)号：US10138593B2
公开(公告)日：2018-11-27
申请号：US14369136
申请日：2012-12-18
申请人： TORAY INDUSTRIES, INC.
发明人： Tomoko Ichikawa , Makoto Endo , Hiroshi Taiko , Masanobu Kobayashi , Nobuyuki Arai , Jun Misumi
IPC分类号： D06M13/11 , D01F11/14 , C08J5/24 , C08J5/06 , D06M15/55 , D06M101/40
摘要： Sizing agent-coated carbon fibers includes: a sizing agent including an aliphatic epoxy compound (A) and at least containing an aromatic epoxy compound (B1) as an aromatic compound (B); and carbon fibers coated with the sizing agent, wherein the sizing agent-coated carbon fibers have an (a)/(b) ratio of 0.50 to 0.90 where (a) is a height (cps) of a component at a binding energy (284.6 eV) assigned to CHx, C—C, and C═C and (b) is a height (cps) of a component at a binding energy (286.1 eV) assigned to C—O in a C1s core spectrum of a surface of the sizing agent applied onto the carbon fibers analyzed by X-ray photoelectron spectroscopy using AlKα1,2 as an X-ray source at a photoelectron takeoff angle of 15°.

9. 发明申请

US20150361591A1 SIZING AGENT-COATED CARBON FIBER BUNDLE, CARBON FIBER BUNDLE PRODUCTION METHOD, AND PREPREG 有权
标题翻译：尺寸代理涂层碳纤维布，碳纤维布制造方法和制造
公开(公告)号：US20150361591A1
公开(公告)日：2015-12-17
申请号：US14758621
申请日：2014-01-22
申请人： TORAY INDUSTRIES, INC.
发明人： Jun Watanabe , Fumihiko Tanaka , Haruki Okuda , Yuuki Okishima , Kengo Hayashida , Masafumi Ise , Tomoko Ichikawa , Naoki Muraki
IPC分类号： D01F11/14 , C08J5/24 , D01F9/22
CPC分类号： D01F11/14 , C08J5/24 , D01F9/22 , D06M13/11 , D06M2101/40 , Y10T428/2918
摘要： A sizing agent-coated carbon fiber bundle has a sizing agent containing an aliphatic epoxy compound (C) and an aromatic epoxy compound (D) coated on the carbon fiber bundle, wherein the carbon fiber in the carbon fiber bundle is the one which exhibits, when measured by single-fiber composite fragmentation method, a number of fiber breaks of at least 2.0/mm when apparent single-fiber stress is 15.3 GPa and the number of fiber breaks of up to 1.7/mm when the apparent single-fiber stress is 12.2 GPa.
摘要翻译：施胶剂包覆的碳纤维束具有含有脂肪族环氧化合物（C）和涂布在碳纤维束上的芳香族环氧化合物（D）的施胶剂，其中，碳纤维束中的碳纤维，当通过单纤维复合材料破碎法测量时，当表观单纤维应力为15.3GPa时，当表观单纤维应力为约0.3 / mm时，许多纤维断裂为至少2.0 / mm， 12.2 GPa。

10. 发明授权

US10208173B2 Sizing agent-coated reinforcing fibers, method for producing sizing agent-coated reinforcing fibers, prepreg, and fiber-reinforced composite material 有权
公开(公告)号：US10208173B2
公开(公告)日：2019-02-19
申请号：US15120708
申请日：2015-03-04
申请人： TORAY INDUSTRIES, INC.
发明人： Takumi Hiasa , Daigo Kobayashi , Tomoko Ichikawa , Makoto Endo
IPC分类号： C08J5/06 , C08J5/24 , D06M13/11 , D06M13/17 , D06M15/11 , D06M15/53 , D06M15/507 , D06M101/40
摘要： Sizing agent-coated reinforcing fibers include reinforcing fibers and a sizing agent containing a polyrotaxane, the reinforcing fibers being coated with the sizing agent. Provided are sizing agent-coated reinforcing fibers that provide a fiber-reinforced composite material with excellent mechanical properties, a method for producing the sizing agent-coated reinforcing fibers, a prepreg including the sizing agent-coated reinforcing fibers, and a fiber-reinforced composite material with excellent mechanical properties including the sizing agent-coated reinforcing fibers.

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