JP5568553B2 - カーボンナノチューブ強化ナノコンポジット - Google Patents
カーボンナノチューブ強化ナノコンポジット Download PDFInfo
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- JP5568553B2 JP5568553B2 JP2011520015A JP2011520015A JP5568553B2 JP 5568553 B2 JP5568553 B2 JP 5568553B2 JP 2011520015 A JP2011520015 A JP 2011520015A JP 2011520015 A JP2011520015 A JP 2011520015A JP 5568553 B2 JP5568553 B2 JP 5568553B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B1/00—Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/005—Reinforced macromolecular compounds with nanosized materials, e.g. nanoparticles, nanofibres, nanotubes, nanowires, nanorods or nanolayered materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/243—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using carbon fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Reinforced Plastic Materials (AREA)
- Carbon And Carbon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
エポキシ樹脂(ビスフェノールA)を日本のアリサワ(Arisawa)社から入手した。エポキシナノコンポジットを硬化させるために用いられる硬化剤(ジシアンジアミド)を同社から入手した。SWNT、DWNT及びMWNTを、ベルギーのNanocyl社から入手した。CNTは、>90%のCNT含有率へと精製し得る。しかしながら、元の状態のCNT、又はカルボキシル官能基やアミノ官能基等の官能基によって官能化されたものも使用可能である。CNTの長さは、5〜20μm程度であり得る。図2は、MWNTのSEMのデジタル画像を示す。エポキシ以外の他の熱硬化性樹脂(ポリイミド、フェノール樹脂、シアン酸エステル、ビスマレイミド等)や熱可塑性樹脂(ナイロン等)も使用可能である。
表2は、CNT強化エポキシの機械的特性(曲げ強度及び曲げ弾性率)を、一方向炭素繊維の強化によるものと共に示す。樹脂の場合、純エポキシと比較して機械的特性の大幅な改善が見て取れる(それぞれ、30%を超える曲げ強度の向上、少なくとも10%の曲げ弾性率の向上)。しかしながら、炭素繊維強化ポリマー(CFRP,carbon fiber reinforced polymer)の場合、CNT強化CFRPに対しては、純エポキシCFRPと比較して、どちらの特性も改善されなかった。
CNTが長過ぎて、プリプレグの作製プロセス中に炭素繊維の間に入り込ませることができないので、CNTが炭素繊維によって濾過されないように短尺化する必要がある。MWNT、DWNT、SWNTを濃酸混合物(HNO3:H2SO4=3:1)と混合して、120℃で4時間にわたって撹拌し得る。CNTを、濾紙(酸を濾過するための2マイクロメートルの開口を備えたポリカーボネート濾紙)を用いて濾過する。そして、CNTを脱イオン水で4〜5回洗浄して、50℃以上で12時間にわたって真空中で乾燥させ得る。図5A〜図5Cはそれぞれ、2μm以下の長さに短尺化されたMWNT、DWNT、SWNTのSEM像を示す。
Claims (4)
- カーボンナノチューブと、ポリマーと、炭素繊維とを備えたコンポジット材料であって、前記カーボンナノチューブの平均長さが2μm以下であり、前記カーボンナノチューブが前記炭素繊維の間のギャップに入り込んでいて、前記炭素繊維が一方向炭素繊維であり、前記ポリマーがビスフェノールAエポキシ樹脂であり、前記カーボンナノチューブの添加量が1.0重量%である、コンポジット材料。
- 前記カーボンナノチューブが官能化されていない、請求項1に記載のコンポジット材料。
- 前記カーボンナノチューブが、カルボキシル官能基又はアミノ官能基によって官能化されている、請求項1に記載のコンポジット材料。
- 前記カーボンナノチューブがアミノ官能基によって官能化されている、請求項1に記載のコンポジット材料。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/180,359 US8283403B2 (en) | 2006-03-31 | 2008-07-25 | Carbon nanotube-reinforced nanocomposites |
US12/180,359 | 2008-07-25 | ||
PCT/US2008/078306 WO2010011234A1 (en) | 2008-07-25 | 2008-09-30 | Carbon nanotube-reinforced nanocomposites |
Publications (2)
Publication Number | Publication Date |
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JP2011529113A JP2011529113A (ja) | 2011-12-01 |
JP5568553B2 true JP5568553B2 (ja) | 2014-08-06 |
Family
ID=41570534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011520015A Expired - Fee Related JP5568553B2 (ja) | 2008-07-25 | 2008-09-30 | カーボンナノチューブ強化ナノコンポジット |
Country Status (7)
Country | Link |
---|---|
US (2) | US8283403B2 (ja) |
EP (1) | EP2315661A4 (ja) |
JP (1) | JP5568553B2 (ja) |
KR (1) | KR20110048525A (ja) |
CN (1) | CN102137754A (ja) |
TW (1) | TW201005012A (ja) |
WO (1) | WO2010011234A1 (ja) |
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- 2008-09-30 EP EP08876637A patent/EP2315661A4/en not_active Withdrawn
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- 2008-09-30 KR KR1020117004061A patent/KR20110048525A/ko not_active Application Discontinuation
- 2008-09-30 CN CN2008801309960A patent/CN102137754A/zh active Pending
- 2008-09-30 WO PCT/US2008/078306 patent/WO2010011234A1/en active Application Filing
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CN102137754A (zh) | 2011-07-27 |
KR20110048525A (ko) | 2011-05-11 |
WO2010011234A1 (en) | 2010-01-28 |
US20090035570A1 (en) | 2009-02-05 |
US20130059947A1 (en) | 2013-03-07 |
US8283403B2 (en) | 2012-10-09 |
EP2315661A1 (en) | 2011-05-04 |
TW201005012A (en) | 2010-02-01 |
EP2315661A4 (en) | 2013-01-09 |
JP2011529113A (ja) | 2011-12-01 |
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