JP7020633B2 - 複合素材、およびこれを用いたプリプレグ - Google Patents
複合素材、およびこれを用いたプリプレグ Download PDFInfo
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Description
図1に示すように、本実施形態の複合素材10は、複数の連続した炭素繊維12aが配列した炭素繊維束12を備えている。炭素繊維12aは、直径が約5~20μmであり、化石燃料由来の有機繊維や、木材や植物繊維由来の有機繊維の焼成によって得られる。
次に、本実施形態に係る複合素材10の製造方法を説明する。複合素材10は、CNT14aが単離分散したCNT分散液(以下、単に分散液とも称する)中に、複数の炭素繊維12aを含む炭素繊維束12を浸漬して走行させて、炭素繊維12aのそれぞれの表面にCNT14aを付着させることにより製造することができる。以下、各工程について順に説明する。
分散液の調製には、以下のようにして製造されたCNT14aを用いることができる。CNT14aは、例えば特開2007-126311号公報に記載されているような熱CVD法を用いてシリコン基板上にアルミニウム、鉄からなる触媒膜を成膜し、CNTの成長のための触媒金属を微粒子化し、加熱雰囲気中で炭化水素ガスを触媒金属に接触させることによって、作製することができる。
上記のようにして調製した分散液中に、炭素繊維束12を浸漬して所定の条件で走行させつつ、分散液に機械的エネルギーを付与することで炭素繊維12a表面にCNT14aを付着させる。
本実施形態の複合素材10は、マトリックス樹脂を含浸させてプリプレグとすることができる。マトリックス樹脂は、特に限定されないが、エポキシ樹脂等の熱硬化性樹脂、フェノキシ樹脂やナイロン等の熱可塑性樹脂等が挙げられる。
本実施形態に係る複合素材10は、直径0.55mmの検査針20を刺して、この検査針20と長手方向に相対的に移動させた際、検査針20との間に作用する荷重の最大値が0.5N未満であるので、炭素繊維束12に含まれている炭素繊維12a同士の直線性が優れている。炭素繊維12aは、実質的に互いに絡まり合うことなく直線性を保っている。直線性を保って配列している炭素繊維12aは、複合素材10の強度の向上に寄与できる。
以下、実施例を挙げて本発明を詳細に説明するが、本発明は以下の実施例のみに限定されるものではない。
実施例1,2および比較例の複合素材について、炭素繊維束に含まれている炭素繊維の絡まり合いを評価した。評価は、図2を参照して説明したような方法により、炭素繊維同士の直線性を調べることにより行った。
本発明は上記実施形態に限定されるものではなく、本発明の趣旨の範囲内で適宜変更することが可能である。
12 炭素繊維束
12a 炭素繊維
14a カーボンナノチューブ(CNT)
Claims (4)
- 複数の連続した炭素繊維が配列した炭素繊維束と、前記炭素繊維のそれぞれの表面に付着したカーボンナノチューブと、前記カーボンナノチューブが付着した前記表面の少なくとも一部を覆うサイジング剤とを備える複合素材であって、
長手方向を上下にして配置された前記複合素材に、前記長手方向を横切って直径0.55mmの検査針を刺し、前記複合素材と前記検査針とを、300mm/minの速度で前記長手方向に40mm相対的に移動させた際、前記複合素材と前記検査針との間に作用する荷重の最大値が0.5N未満であることを特徴とする複合素材。 - 前記複合素材は、厚み方向に前記炭素繊維が3~30本並んだ帯状であることを特徴とする請求項1記載の複合素材。
- 前記複合素材と前記検査針との間に作用する荷重の平均値が0.4N未満であることを特徴とする請求項1または2記載の複合素材。
- 請求項1~3のいずれか1項に記載の複合素材と、前記複合素材に含浸されたマトリックス樹脂とを含むことを特徴とするプリプレグ。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017024507A JP7020633B2 (ja) | 2017-02-13 | 2017-02-13 | 複合素材、およびこれを用いたプリプレグ |
CN201880011053.XA CN110268009A (zh) | 2017-02-13 | 2018-02-08 | 复合材料及使用其的预浸料 |
US16/485,480 US20200002492A1 (en) | 2017-02-13 | 2018-02-08 | Composite material, and prepreg using same |
CN202211195546.8A CN115403806B (zh) | 2017-02-13 | 2018-02-08 | 复合材料及使用其的预浸料 |
KR1020197023228A KR102543289B1 (ko) | 2017-02-13 | 2018-02-08 | 복합 소재, 및 이것을 사용한 프리프레그 |
PCT/JP2018/004429 WO2018147377A1 (ja) | 2017-02-13 | 2018-02-08 | 複合素材、およびこれを用いたプリプレグ |
EP18751523.4A EP3581612A4 (en) | 2017-02-13 | 2018-02-08 | COMPOSITE MATERIAL AND PREPREG WITH IT |
TW107104988A TWI765965B (zh) | 2017-02-13 | 2018-02-12 | 複合材料及使用此材料的預浸材 |
US17/962,615 US11898305B2 (en) | 2017-02-13 | 2022-10-10 | Composite material, and prepreg using same |
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JP2017024507A JP7020633B2 (ja) | 2017-02-13 | 2017-02-13 | 複合素材、およびこれを用いたプリプレグ |
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JP2018131488A JP2018131488A (ja) | 2018-08-23 |
JP7020633B2 true JP7020633B2 (ja) | 2022-02-16 |
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US (2) | US20200002492A1 (ja) |
EP (1) | EP3581612A4 (ja) |
JP (1) | JP7020633B2 (ja) |
KR (1) | KR102543289B1 (ja) |
CN (2) | CN115403806B (ja) |
TW (1) | TWI765965B (ja) |
WO (1) | WO2018147377A1 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003239171A (ja) | 2002-02-14 | 2003-08-27 | Toray Ind Inc | 炭素繊維その製造方法および炭素繊維強化樹脂組成物 |
JP2009535530A (ja) | 2006-05-02 | 2009-10-01 | ロール インコーポレイテッド | ナノ補強材を用いた複合材料中に用いられる補強繊維トウの修飾 |
WO2012081407A1 (ja) | 2010-12-13 | 2012-06-21 | 東レ株式会社 | 炭素繊維プリプレグおよびその製造方法、炭素繊維強化複合材料 |
JP2013076198A (ja) | 2011-09-13 | 2013-04-25 | Nitta Ind Corp | Cnt/炭素繊維複合素材、この複合素材を用いた繊維強化成形品、および複合素材の製造方法 |
JP2015528068A (ja) | 2012-06-05 | 2015-09-24 | アプライド ナノストラクチャード ソリューションズ リミテッド ライアビリティー カンパニーApplied Nanostructuredsolutions, Llc | Cns導入カーボン・ナノ材料及びそのためのプロセス |
WO2016063809A1 (ja) | 2014-10-23 | 2016-04-28 | ニッタ株式会社 | 複合素材および強化繊維 |
WO2016159122A1 (ja) | 2015-03-31 | 2016-10-06 | ニッタ株式会社 | 複合素材の製造方法および複合素材 |
WO2016159121A1 (ja) | 2015-03-31 | 2016-10-06 | ニッタ株式会社 | 炭素繊維強化成形体 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4273092B2 (ja) * | 2005-03-30 | 2009-06-03 | 株式会社Gsiクレオス | プリプレグの製造方法およびプリプレグの製造装置 |
JP5057010B2 (ja) | 2005-11-01 | 2012-10-24 | ニッタ株式会社 | カーボンファイバの製造方法 |
WO2018151053A1 (ja) * | 2017-02-14 | 2018-08-23 | ニッタ株式会社 | 炭素繊維強化成形体 |
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2017
- 2017-02-13 JP JP2017024507A patent/JP7020633B2/ja active Active
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2018
- 2018-02-08 WO PCT/JP2018/004429 patent/WO2018147377A1/ja active Application Filing
- 2018-02-08 CN CN202211195546.8A patent/CN115403806B/zh active Active
- 2018-02-08 KR KR1020197023228A patent/KR102543289B1/ko active IP Right Grant
- 2018-02-08 CN CN201880011053.XA patent/CN110268009A/zh active Pending
- 2018-02-08 US US16/485,480 patent/US20200002492A1/en not_active Abandoned
- 2018-02-08 EP EP18751523.4A patent/EP3581612A4/en active Pending
- 2018-02-12 TW TW107104988A patent/TWI765965B/zh active
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2022
- 2022-10-10 US US17/962,615 patent/US11898305B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003239171A (ja) | 2002-02-14 | 2003-08-27 | Toray Ind Inc | 炭素繊維その製造方法および炭素繊維強化樹脂組成物 |
JP2009535530A (ja) | 2006-05-02 | 2009-10-01 | ロール インコーポレイテッド | ナノ補強材を用いた複合材料中に用いられる補強繊維トウの修飾 |
WO2012081407A1 (ja) | 2010-12-13 | 2012-06-21 | 東レ株式会社 | 炭素繊維プリプレグおよびその製造方法、炭素繊維強化複合材料 |
JP2013076198A (ja) | 2011-09-13 | 2013-04-25 | Nitta Ind Corp | Cnt/炭素繊維複合素材、この複合素材を用いた繊維強化成形品、および複合素材の製造方法 |
JP2015528068A (ja) | 2012-06-05 | 2015-09-24 | アプライド ナノストラクチャード ソリューションズ リミテッド ライアビリティー カンパニーApplied Nanostructuredsolutions, Llc | Cns導入カーボン・ナノ材料及びそのためのプロセス |
WO2016063809A1 (ja) | 2014-10-23 | 2016-04-28 | ニッタ株式会社 | 複合素材および強化繊維 |
WO2016159122A1 (ja) | 2015-03-31 | 2016-10-06 | ニッタ株式会社 | 複合素材の製造方法および複合素材 |
WO2016159121A1 (ja) | 2015-03-31 | 2016-10-06 | ニッタ株式会社 | 炭素繊維強化成形体 |
Also Published As
Publication number | Publication date |
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CN115403806A (zh) | 2022-11-29 |
KR102543289B1 (ko) | 2023-06-13 |
WO2018147377A1 (ja) | 2018-08-16 |
CN110268009A (zh) | 2019-09-20 |
EP3581612A4 (en) | 2020-12-23 |
US20200002492A1 (en) | 2020-01-02 |
US11898305B2 (en) | 2024-02-13 |
KR20190112279A (ko) | 2019-10-04 |
CN115403806B (zh) | 2024-01-02 |
TWI765965B (zh) | 2022-06-01 |
US20230045012A1 (en) | 2023-02-09 |
TW201840471A (zh) | 2018-11-16 |
EP3581612A1 (en) | 2019-12-18 |
JP2018131488A (ja) | 2018-08-23 |
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