GB2400605A - Nanocomposites - Google Patents

Nanocomposites Download PDF

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Publication number
GB2400605A
GB2400605A GB0303696A GB0303696A GB2400605A GB 2400605 A GB2400605 A GB 2400605A GB 0303696 A GB0303696 A GB 0303696A GB 0303696 A GB0303696 A GB 0303696A GB 2400605 A GB2400605 A GB 2400605A
Authority
GB
United Kingdom
Prior art keywords
array
nano
nanotube
nanoball
micro
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Withdrawn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
GB0303696A
Other versions
GB0303696D0 (en
Inventor
Duc Truong Pham
Zuobin Wang
Shizhong Su
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.)
University College Cardiff Consultants Ltd
Cardiff University
Original Assignee
University College Cardiff Consultants Ltd
Cardiff University
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 University College Cardiff Consultants Ltd, Cardiff University filed Critical University College Cardiff Consultants Ltd
Priority to GB0303696A priority Critical patent/GB2400605A/en
Publication of GB0303696D0 publication Critical patent/GB0303696D0/en
Publication of GB2400605A publication Critical patent/GB2400605A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/028—Molecular sieves
    • B01D71/0281—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous material
    • B01D39/2058—Carbonaceous material the material being particulate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0032—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/1411—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing dispersed material in a continuous matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/148—Organic/inorganic mixed matrix membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/021—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/021—Carbon
    • B01D71/0212—Carbon nanotubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/028—Molecular sieves
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0258—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanoparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/08—Patterned membranes

Abstract

A method for making nanocomposites comprising a nanotube or nanoball array with a nanopolymer is disclosed. The nanocomposite may be used to form micro or nanofilters. The nanotubes may be carbon nanotubes, the nanoballs may be C60 buckyballs, and the nanopolymer may be an epoxy resin or polyacrylic acid in nano scale. Methods involving electron beams, ion irradiation, or a porous material support, such as a zeolite, may be used to bond the nanotubes or nanoballs together.

Description

METHODS FOR MAKING NANOTUBE/NANOBALL-ARRAY COMPOSITES, MICRO/NAND-FILTERS
AND TOOLS
Description
The invention relates to methods of making nanotube/nanoball-array composites, micro/nano-filters, and tools. The nanotube/nanoball-array composite is composed of an array of nanotubc bundles/nanoballs and joint nano-materials such as nanopolymers. The micro/nano-filters and tools are constructed by means of nanotube-arrays/nanoball-arrays. The micro/nanofilters are used as key parts of filtration devices for removing contaminant and separating out molecules in micro/nano scale, such as purification or desalinization of drugs, nuclear fuel, oil, water, seawater, steam, and air. The tools are used in machining, forming, stamping and electrochemistry for manufacturing engineering in micro and nano scales. The tool also includes a flexible micro/nano-tool apparatus, which is made of an array of uniform nanotube bundles.
The methods include the principle of making nanotube/nanoball-array composites, the structure of micro/nano-filters and tools, the arrangement of nanotube bundles/ nanoball-array, the construction control and drive unit, and computer software. The nano-tube bundles include carbon nanotubes and other nano-pillars. The nanoballs include buckyballs and other nanoparticles. The nanopolymers include epoxy resin, PAA, and polyelectrolyte in nano scale. The array of nanotube bundles/nanoballs is the main part of the nanotube/nanoball-array composite and the working part of the micro/nano-filters and tools. The control and drive unit is used to form a 3- dimensional shape of nanotube bundles/nanoball-array by adjusting the position of each nanotube bundle/ nanoball, i.e. moving or rotating nanotube bundles/ nanoballs.
The computer software is used to create the data for objects and instructions for nanotub e bundles/ nanob al l- array.
Many materials for nanotubes and nanoballs have been produced since the carbon nano-tube was discovered by Sijima in 1991 and the Buckyball was found by Smalley in 1985. Some researches are working on their properties and processes. The nano- composites are becoming a new kind of raw material in manufacturing engineering with high strength like ceramics since nanotubes and nanoballs can be produced in batches. Some applications have been identified. Based on the particular properties of nanoparticles, such as super conductivity or their mechanical properties, carbon nanotubes have been used as part of field emitters or AFM tips. However, few applications of nanotube/nanoball-array composites in manufacturing engineering such as patterns, filters and tools in micro and nano scale have been realised.
An object of this invention is to provide a new method of making highstrength nano- composites, micro/nano-filters and tools. The nanotubc/nanoball-array composite is new nanoparticle-reinforced polymetric material. It is a lighter, stronger and programmable material, which can be used as a new tooling material. The array of nanotube bundles/ nanoballs in micro/nano- filters and tools is formed by controlling ther postion according to the shape of the object. A micro/nano-tool can be made rapidly and flexibly Objects and cavities in micro/nano scale can be rapidly manufactured by micro/nano-tools.
À À À À À À À À À À À À À À e Àe À À.
À . . À À À À Accordingly, this invention provides a novel method of material design, micro/nano- filter and tool construction and manufacturing. The method includes an arrangement of nanotube bundles/ nanoballs In nanotube/nanoball-array composites through mixing with nano-polymer, and a fabrication of the micro/nano-filter and tool through adjusting the positions of each nanotube bundle/ nanoball.
Figure 1 shows the whole construction of nanotube/nanoball-array composites. In Figure I a, nanotube-array 1 is first formed on the support base 2. Then the nanotube- array is bonded by mixing with the nanopolymer 3. In Figure lb, Nanoball- array 1 is first formed on the support base 2. Then nanoball-array is bonded by mixing with the nanopolymer 3.
Figure 2 shows two types of micro/nano-filters. Figure 2a illustrates an array of nanotubes, which is used to perform a filtering function. Figure 2b is a micro/nano- filter constructed by nanoballs. The nanoballs can be arranged in one layer or multiple layers in their applications. In the figures, some nanotube/nanoball-welding methods, such as the electron-beam method, ion irradiation and joint materials, or a support base of porous materials, such as zeolite, may be used to bond the nanotubes and nanoballs together.
Figure 3 shows the whole apparatus of nanotube-array micro/nano tool. Figure 4 is an example of a 3-dimenstional micro/nano-tool. The tool can used to manufacture any pattern in micro or nano scale. Figure 5 is a uniform nanotube-bundle array. The array can be fabricated using flexible micro/nano-tools. Figure 6 is an example of a 3- dimensional tool surface with a uniform nanotube array.

Claims (8)

  1. À À À À À. e e e À À À e À À À À e À À À Àe À À ace À e À bee À see À
    Claims: 1. A method for making nanotube/nanoball-array composites comprising the steps of designing nanotube/nanoball-array composites, selecting proper nanotubes/nanoballs and nanopolymer material, arranging the nanotube/nanoball- array and producing the nanocomposites.
  2. 2. A method for producing nanotube/nanoball-array composites according to Claim 1, wherein a nanotube/nanoball-array is arranged layer by layer using a nano- manipulator and nanopolymer is reinforced through vacuum infiltrating.
  3. 3. A method for making 3-dimensional micro/nano-patterns with the composite according to Claim I and Claim 2, wherein the steps of arranging the nanotube/nanoball-array through positioning them, and mixing with the nano- polymer through vacuum infiltrating are performed.
  4. 4. A method for making micro/nano-filters usmg a nanotube-array according to Claim 2.
  5. 5. A method for making micro/nano-filters using a nanoball-array according to Claim 2.
  6. 6. A joint method and support base for making micro/nano-filters according to Claim 4 and Claim 5.
  7. 7. A method for making micro/nano-tools in manufacturing engineering with the composite in Claim 3, including the steps of cutting and finishing the nanocomposite.
  8. 8. A method for a flexible apparatus of micro/nano-tool for rapid fabrication with a uniform nanotube/nanoball-array, which involves the control and drive unit and computer software.
GB0303696A 2003-02-18 2003-02-18 Nanocomposites Withdrawn GB2400605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0303696A GB2400605A (en) 2003-02-18 2003-02-18 Nanocomposites

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0303696A GB2400605A (en) 2003-02-18 2003-02-18 Nanocomposites

Publications (2)

Publication Number Publication Date
GB0303696D0 GB0303696D0 (en) 2003-03-19
GB2400605A true GB2400605A (en) 2004-10-20

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GB0303696A Withdrawn GB2400605A (en) 2003-02-18 2003-02-18 Nanocomposites

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001087193A1 (en) * 2000-05-16 2001-11-22 Rensselaer Polytechnic Institute Electrically conducting nanocomposite materials for biomedical applications
EP1246205A1 (en) * 2001-03-26 2002-10-02 Abb Research Ltd. Electrically conducting nanocomposite material
WO2002076903A2 (en) * 2001-03-22 2002-10-03 Clemson University Halo-polymer nanocomposite compositions, methods, and products employing such compositions
WO2002076888A1 (en) * 2001-03-26 2002-10-03 Ben-Gurion University Of The Negev Method for the preparation of stable suspensions and powders of single carbon nanotubes
WO2002100931A1 (en) * 2001-06-08 2002-12-19 Eikos, Inc. Nanocomposite dielectrics
WO2003016048A1 (en) * 2001-08-17 2003-02-27 University Of Dayton Method of forming conductive polymeric nanocomposite materials and materials produced thereby
WO2003078315A2 (en) * 2002-03-20 2003-09-25 Facultes Universitaires Notre-Dame De La Paix Nanocomposites: products, process for obtaining them and uses thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001087193A1 (en) * 2000-05-16 2001-11-22 Rensselaer Polytechnic Institute Electrically conducting nanocomposite materials for biomedical applications
WO2002076903A2 (en) * 2001-03-22 2002-10-03 Clemson University Halo-polymer nanocomposite compositions, methods, and products employing such compositions
EP1246205A1 (en) * 2001-03-26 2002-10-02 Abb Research Ltd. Electrically conducting nanocomposite material
WO2002076888A1 (en) * 2001-03-26 2002-10-03 Ben-Gurion University Of The Negev Method for the preparation of stable suspensions and powders of single carbon nanotubes
WO2002100931A1 (en) * 2001-06-08 2002-12-19 Eikos, Inc. Nanocomposite dielectrics
WO2003016048A1 (en) * 2001-08-17 2003-02-27 University Of Dayton Method of forming conductive polymeric nanocomposite materials and materials produced thereby
WO2003078315A2 (en) * 2002-03-20 2003-09-25 Facultes Universitaires Notre-Dame De La Paix Nanocomposites: products, process for obtaining them and uses thereof

Also Published As

Publication number Publication date
GB0303696D0 (en) 2003-03-19

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