EP2406297A1 - Procédé de dispersion de nanoparticules de type graphite - Google Patents

Procédé de dispersion de nanoparticules de type graphite

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Publication number
EP2406297A1
EP2406297A1 EP10707226A EP10707226A EP2406297A1 EP 2406297 A1 EP2406297 A1 EP 2406297A1 EP 10707226 A EP10707226 A EP 10707226A EP 10707226 A EP10707226 A EP 10707226A EP 2406297 A1 EP2406297 A1 EP 2406297A1
Authority
EP
European Patent Office
Prior art keywords
dispersing
nanoparticles
chain
block
aromatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10707226A
Other languages
German (de)
English (en)
Inventor
Helmut Meyer
Gesa Behnken
Julia Hitzbleck
Rudolf Zentel
Stefan Meuer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Bayer MaterialScience AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Publication of EP2406297A1 publication Critical patent/EP2406297A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
    • C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/52—Electrically conductive inks
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D153/00—Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/45—Anti-settling agents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/68—Particle size between 100-1000 nm
    • 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

Definitions

  • the invention is based on known methods for dispersing graphitic nanoparticles, in which the graphitic nanoparticles are dispersed in a continuous liquid phase with the introduction of energy in the presence of the dispersing aid.
  • the invention relates to the use of dispersants for the dispersion of carbon-based nanoparticles consisting of block copolymers, of which at least one block carries aromatic, which are attached via aliphatic chain links to the main chain.
  • the object of the invention is to develop highly effective dispersants with which graphite-like nanoparticles can be dispersed and stabilized in organic solvents.
  • block copolymers at least one block of which carries aromatic side chains attached to the backbone via aliphatic chain members, are highly effective as dispersants for carbon nanotubes and other graphitic nanoparticles, e.g. Graphene or layered nanographite or carbon nanofibers can be used in organic solvents.
  • the choice of block lengths and side chains is of crucial importance for a high dispersing efficiency.
  • the invention relates to a method for dispersing graphitartiger nanoparticles, in which the graphite-like nanoparticles are dispersed in a continuous liquid phase with energy input in the presence of the dispersing agent, characterized in that dispersants based on block copolymers are used, wherein the block copolymers polymer blocks E) without side chain and at least one polymer block A) containing aromatic groups D) B), which are bound via aliphatic chain members C) to the main chain of the block A).
  • a dispersing aid in which the length of block A) with aromatic B) comprises at least five monomer units from the group of vinyl polymers, in particular polyacrylates, polymethacrylates, polyacrylic acid, polystyrene, and also polyesters, polyamides, polycarbonates or polyurethanes.
  • Dispersants are preferably having aromatic side chains B), the one of at least one mononuclear or polynuclear aromatic compounds D, in particular an optionally substituted amino C 5 - to C 32 - aromatic compounds, preferably an optionally substituted amino Ci 0 - to C 27 - aromatics where the aromatics optionally contain heteratoms, in particular one or more heteroatoms of the series nitrogen, oxygen and sulfur.
  • the aliphatic chain links C) in the dispersants are preferably a Ci to Ci 0 - formed alkyl chain .. - alkyl chain, in particular by a C 2 - to C 6
  • the polynuclear aromatic D) of the aromatic side chains B) is a pyrene derivative.
  • the block copolymer E) is based in the dispersing aid on polymers from the group of vinyl polymers, in particular polyacrylates, polymethacrylates, polyacrylic acid, polystyrene, as well as polyesters, polyamines and polyurethanes.
  • the side chain-free blocks E) of the dispersing aid are composed of 50 to 500, preferably 100 to 200 monomer units from the series of acrylates or methacrylates and the side chains containing blocks A) of the dispersing aid from 5 to 100, preferably 10 to Built up 80 monomer units from the series of substituted acrylates or methacrylates.
  • the graphitic nanoparticles preferably have a diameter in the range of 1 to 500 nm and preferably a diameter in the range of 2 to 50 nm.
  • the graphitic nanoparticles are particularly preferably single-layered or multi-layered graphite structures.
  • the single or multilayer graphite structures in the form of graphenes or carbon nanotubes or mixtures thereof.
  • the organic solvent is preferably selected from the group of mono- or polyhydric, straight-chain, branched or cyclic alcohols or polyols, aliphatic, cycloaliphatic or halogenated hydrocarbons, linear and cyclic ethers, esters, aldehydes, ketones or acids and amides and pyrrolidone or is particularly preferably tetrahydrofuran.
  • the invention further provides dispersants for carbon-based nanoparticles in organic solvents prepared by the process according to the invention.
  • the invention also provides the use of the abovementioned dispersion as a printable ink containing organic solvents for the production of electrically conductive structures or coatings.
  • Graphite-type nanoparticles for the purposes of this invention are at least: single-walled, double-walled or multi-walled carbon nanotubes (CNT), herringbone or platelet structure carbon nanofibers or else nanoscale graphites or graphenes, as described, for example, in US Pat. are accessible from strongly expanded graphites.
  • CNT carbon nanotubes
  • herringbone or platelet structure carbon nanofibers or else nanoscale graphites or graphenes, as described, for example, in US Pat. are accessible from strongly expanded graphites.
  • the dispersants are preferably block copolymers of at least two different blocks, of which at least one block A) carries aromatic side chains via aliphatic chain links C) (also called spacers) bound to the main chain.
  • the polymer block E) can be composed of known monomer building blocks, in particular of the acrylates and methacrylates, which in particular can carry the following substituents:
  • C r C 5 alkyl in particular methyl, ethyl, propyl, butyl, pentyl, hexyl, in straight chain and branched form
  • Aryl in particular phenyl, which is optionally substituted with C r to C 4 - alkyl radicals.
  • the polymers can also be built up by polyaddition or polycondensation. For example, polycarbonates, polyamides, polyesters and polyurethanes and combinations thereof are obtained.
  • Examples include polyamide of adipic acid and hexamethylenediamine (PA6,6), poly (6-aminohexanoic acid) (PA6), polyesters of dimethyl terephthalate and ethylene glycol (PET), carbonated polycarbonate, polycarbonate of diethyl carbonate or phosgene and bisphenol A, polyurethane of carbamic acid, polyurethane from isocyanates and various at least difunctional components such as alcohols and amines.
  • PA6,6 polyamide of adipic acid and hexamethylenediamine
  • PA6 poly (6-aminohexanoic acid)
  • PET ethylene glycol
  • carbonated polycarbonate polycarbonate of diethyl carbonate or phosgene and bisphenol A
  • polyurethane of carbamic acid polyurethane from isocyanates
  • various at least difunctional components such as alcohols and amines.
  • the block copolymer bears side chains, which can preferably be covalently attached to the main chain via a reactive ester monomer, particularly preferably pentafluorophenyl methacrylate.
  • the covalent attachment of the aromatic side chains to the main chain is preferably carried out via an amide function.
  • the amine compounds shown below are preferably used:
  • the preparation of the block copolymers for the dispersant preferably takes place via a reversible addition chain transfer polymerization (RAFT), which can be used to build up the desired block copolymers in a controlled manner.
  • RAFT reversible addition chain transfer polymerization
  • the dispersion auxiliaries according to the invention having a defined block length and defined aromatic side chains can be prepared in a targeted manner via this type of polyreaction.
  • the graphite-like nanoparticles can be simply and effectively dispersed in many different solvents and optionally organic monomers.
  • Preferred solvents for the carbon-based nanoparticles are organic solvents, for example ethers, in particular cyclic and acyclic ethers, more preferably tetrahydrofuran, dioxane, furan and Polyalkylenglykoldialkylethern, straight-chain, branched or cyclic monohydric or polyhydric alcohols, in particular methanol, ethanol, propanol, butanol, ethylhexanol , Decanol, isotridecyl alcohol, benzyl alcohol, propargyl alcohol, oleyl alcohol, linoleyl alcohol, oxo alcohols, neo-pentyl alcohol, cyclohexanol, fatty alcohols, or di- and polyols such as glycol, ether alcohols, in particular 2-methoxyethanol, monophenyldiglycol, phenylethanol, ethylene glycol, propylene glycol, hydrocarbons, in particular To
  • dispersions may be prepared by dispersion techniques known to those skilled in the art, e.g. by the use of ultrasound, the use of bead or ball mills, the dispersion by means of high pressure shear dispersers or the dispersion in three-roller mills.
  • the dispersions prepared in this way have a content of nanoparticles of up to 2.5 mg per ml of dispersant and are still stable even after storage for three months or high pressure and shear stress in a rapidly rotating centrifuge.
  • all known graphite-like nanoparticles can be dispersed well and safely. They are particularly suitable for the dispersion of on or multi-layered, single-walled or multi-walled carbon nanotubes (CNT), carbon fiber afibas in herringbone or platelet structure or also of nanoscale graphites or graphenes, as they are accessible, for example, from highly expanded graphites. In particular, they are suitable for the dispersion of carbon nanotubes.
  • CNT carbon nanotubes
  • Under carbon nanotubes are understood in the prior art mainly cylindrical carbon tubes with a diameter between 3 and 100 nm and a length which is a multiple of the diameter. These tubes consist of one or more layers of ordered carbon atoms and have a different nucleus in morphology. These carbon nanotubes are also referred to as “carbon fibrils” or “hollow carbon fibers”, for example.
  • Carbon nanotubes have long been known in the literature. Although Iijima, Nature 354, 56-58, 1991, is commonly referred to as the discoverer of nanotubes, these materials, particularly fibrous graphite materials having multiple layers of graphite, have been known since the 1970s and early '80s, respectively. Tates and Baker (GB 1469930A1, 1977 and EP 56004 A2) described for the first time the deposition of very fine fibrous carbon from the catalytic decomposition of hydrocarbons. However, the carbon parliamentary assemblies produced on the basis of short-chain hydrocarbons are no longer characterized in terms of their diameter.
  • Typical structures of these carbon nanotubes are those of the cylinder type. In the case of the cylindrical structures, a distinction is made between the single-walled structures
  • CVD process Chemical vapor deposition
  • CCVD process catalytic chemical vapor deposition
  • Carbon nanotubes which can be used in the context of the invention are all single-walled or multi-walled carbon nanotubes of the cylinder type, scroll type or onion-like structure. Preference is given to using multi-walled carbon nanotubes of the cylinder type, scroll type or mixtures thereof.
  • Carbon nanotubes having a ratio of length to outer diameter of greater than 5, preferably greater than 100, are particularly preferably used.
  • the carbon nanotubes are particularly preferably used in the form of agglomerates, the agglomerates in particular having an average diameter in the range of 0.05 to 5 mm, preferably 0.1 to 2 mm, particularly preferably 0.2 to 1 mm.
  • the carbon nanotubes to be used have particularly preferably essentially an average diameter of 3 to 100 nm, preferably 5 to 80 nm, particularly preferably 6 to 60 nm.
  • CNT structures which consist of several graphene layers, which are combined into a stack and rolled up (multiscroll type).
  • These carbon nanotubes and carbon nanotubes agglomerates thereof, for example, are the subject of the still unpublished German patent application with the official file reference 102007044031.8. Their content is hereby incorporated with respect to the CNT and its preparation to the disclosure of this application.
  • This CNT structure is similar to the simple scroll type carbon nanotubes as compared to the structure of multi-walled cylindrical monotube carbon nanotubes (cylindrical MWNT) to the structure of single-wall cylindrical carbon nanotubes (cylindrical SWNT).
  • the individual graphene or graphite layers in these carbon nanotubes seen in cross-section, evidently run continuously from the center of the CNT to the outer edge without interruption. This can be z. B. allow an improved and faster intercalation of other materials in the tube framework, as more open edges than entry zone of the intercalates are available in the Comparison to single-scroll CNTs (Carbon 34, 1996, 1301-3) or onion-type CNTs (Science 263, 1994, 1744-7).
  • CCVD Catalytic Carbon Vapor Deposition
  • acetylene, methane, ethane, ethylene, butane, butene, butadiene, benzene and other carbon-containing reactants Preference is therefore given to using CNTs obtainable from catalytic processes.
  • the catalysts usually include metals, metal oxides or decomposable or reducible metal components.
  • metals for the catalyst Fe metals for the catalyst Fe
  • Particularly advantageous catalyst systems for the production of CNTs are based on combinations of metals or metal compounds containing two or more elements from the series Fe, Co, Mn, Mo and Ni.
  • carbon nanotubes and the properties of the tubes formed are known to be complex in a manner dependent on the metal component used as a catalyst or a combination of several metal components, the catalyst support material optionally used and the interaction between the catalyst and support, the reactant gas and partial pressure, an admixture of hydrogen or other gases, the reaction temperature and the residence time or the reactor used.
  • a particularly preferred method for the production of carbon nanotubes is known from WO 2006/050903 A2.
  • carbon nanotubes of various structures are produced, which can be removed from the process predominantly as carbon nanotube powder.
  • Carbon nanotubes more suitable for the invention are obtained by methods basically described in the following references:
  • WO86 / 03455A1 describes the production of carbon filaments having a cylindrical structure with a constant diameter of 3.5 to 70 nm, an aspect ratio (length to diameter ratio) greater than 100 and a core region. These fibrils consist of many continuous layers of ordered carbon atoms arranged concentrically about the cylindrical axis of the fibrils. These cylindrical nanotubes were prepared by a CVD process from carbonaceous compounds by means of a metal-containing particle at a temperature between 850 0 C and 1200 0 C.
  • multi-walled carbon nanotubes in the form of nested seamless cylindrical nanotubes or also in the form of the described scroll or onion structures, today takes place commercially in large quantities, predominantly using catalytic processes. These processes usually show a higher yield than the above-mentioned arc and other processes and today are typically carried out on the kg scale (several hundred kilo / day worldwide).
  • the MW carbon nanotubes produced in this way are generally much cheaper than the single-walled nanotubes and are therefore used, for example. used as a performance-enhancing additive in other materials.
  • RAFT agent 4-cyano-4-methyl-4-thiobenzoylsulfanyl-butanoic acid
  • RAFT agent 4-cyano-4-methyl-4-thiobenzoylsulfanyl-butanoic acid
  • AIBN ⁇ , ⁇ '-azoisobutyronitrile
  • Example 2 as Example 2 but with the use of 1-Pyrenbutylaminhydrochlorid instead of Pyrenmethylaminhydrochlorid.
  • a determined by GPC measurements
  • b determined by proton NMR spectroscopy.
  • a determined by GPC measurements
  • b calculated from the amount of added RAFT reagent
  • a determined by GPC measurements
  • b calculated from the amount of added RAFT reagent
  • c determined from TGA measurements
  • s root area per polymer
  • P (MMA-b-C4-Pyrene) 40 2.3 mg / mL) was sonicated in THF with 2.5 mg / mL CNTs (10 W for 15 min). The dispersion was stable even after centrifugation and standing for several weeks.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Colloid Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Graft Or Block Polymers (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

La présente invention concerne un procédé de dispersion de nanoparticules de type graphite. En l'occurrence, les nanoparticules de type graphite sont dispersée, avec apport d'énergie et en présence d'un adjuvant de dispersion, dans une phase liquide continue. On utilise à cet effet un dispersant constitué de copolymères blocs, dont l'un au moins comporte des chaînes latérales aromatiques reliées à la chaîne principale du copolymère bloc par des éléments de chaîne aliphatiques.
EP10707226A 2009-03-13 2010-03-05 Procédé de dispersion de nanoparticules de type graphite Withdrawn EP2406297A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009012675A DE102009012675A1 (de) 2009-03-13 2009-03-13 Verfahren zur Dispergierung graphitartiger Nanoteilchen
PCT/EP2010/001393 WO2010102759A1 (fr) 2009-03-13 2010-03-05 Procédé de dispersion de nanoparticules de type graphite

Publications (1)

Publication Number Publication Date
EP2406297A1 true EP2406297A1 (fr) 2012-01-18

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Country Status (7)

Country Link
US (1) US20120104329A1 (fr)
EP (1) EP2406297A1 (fr)
JP (1) JP2012520224A (fr)
KR (1) KR20110139259A (fr)
CN (1) CN102348731A (fr)
DE (1) DE102009012675A1 (fr)
WO (1) WO2010102759A1 (fr)

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SG193937A1 (en) * 2011-04-04 2013-11-29 Univ Florida Nanotube dispersants and dispersant free nanotube films therefrom
PL222519B1 (pl) * 2011-09-19 2016-08-31 Inst Tech Materiałów Elektronicznych Sposób otrzymywania warstw grafenowych i pasta zawierająca nanopłatki grafenowe
JP5599076B2 (ja) * 2011-09-30 2014-10-01 大日精化工業株式会社 ナノカーボン水系分散液及びナノカーボン分散樹脂組成物
EP2583940A1 (fr) 2011-10-21 2013-04-24 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Stabilisation de nanomatériaux au carbone et de composés hydrophobes avec des copolymères
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JP5995523B2 (ja) * 2012-05-23 2016-09-21 大阪瓦斯株式会社 グラフェンシート水分散体及びその製造方法並びにグラフェン含有構造体
JP2014031417A (ja) * 2012-08-02 2014-02-20 Nissin Kogyo Co Ltd 変性共役ジエン系ゴム組成物、タイヤ用ゴム組成物及びそのゴム組成物を用いたタイヤ
GB201218952D0 (en) * 2012-10-22 2012-12-05 Cambridge Entpr Ltd Functional inks based on layered materials and printed layered materials
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KR101620668B1 (ko) * 2013-09-02 2016-05-12 주식회사 엘지화학 탄소나노물질 함유 수지 조성물 및 플라스틱 성형품
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JP6304988B2 (ja) * 2013-09-20 2018-04-04 大阪瓦斯株式会社 グラフェンシート有機分散体の製造方法、並びにそれにより得られるグラフェンシート有機分散体及び放熱性グラフェンシート構造体
CN105764838B (zh) 2013-11-20 2019-03-01 佛罗里达大学研究基金会有限公司 含碳材料上的二氧化碳还原
GB201401721D0 (en) 2014-01-31 2014-03-19 Univ Manchester Ink formulation
JP6334998B2 (ja) * 2014-04-07 2018-05-30 花王株式会社 多層グラフェン分散液
KR101750935B1 (ko) * 2014-12-12 2017-06-27 주식회사 엘지화학 블록 공중합체, 및 이를 이용한 그래핀의 제조 방법
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CN104650293B (zh) * 2015-02-06 2017-06-23 山东菏泽玉皇化工有限公司 一种高分散性石墨烯原位改性石油树脂的制备方法
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US20120104329A1 (en) 2012-05-03
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JP2012520224A (ja) 2012-09-06
WO2010102759A1 (fr) 2010-09-16

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