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WO2007046849A2 - Materiau composite utilisable au four micro-ondes et procede de production du materiau - Google Patents

Materiau composite utilisable au four micro-ondes et procede de production du materiau Download PDF

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Publication number
WO2007046849A2
WO2007046849A2 PCT/US2006/008910 US2006008910W WO2007046849A2 WO 2007046849 A2 WO2007046849 A2 WO 2007046849A2 US 2006008910 W US2006008910 W US 2006008910W WO 2007046849 A2 WO2007046849 A2 WO 2007046849A2
Authority
WO
WIPO (PCT)
Prior art keywords
composite material
graphite
solid composite
solid
consolidating
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.)
Ceased
Application number
PCT/US2006/008910
Other languages
English (en)
Other versions
WO2007046849A3 (fr
Inventor
Yen-Kai Ting
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.)
SHIAO YUN TING
Original Assignee
SHIAO YUN TING
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 SHIAO YUN TING filed Critical SHIAO YUN TING
Publication of WO2007046849A2 publication Critical patent/WO2007046849A2/fr
Publication of WO2007046849A3 publication Critical patent/WO2007046849A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/522—Graphite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C04B2235/425—Graphite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient

Definitions

  • the present invention generally relates to composite materials and, more particularly, to a graphite composite material that can be heated up by
  • microwave technology has been widely applied in science, medicine, communications, industry, and agriculture arenas. In general, microwaves themselves are not ionizing radiation and therefore do not have any
  • the energy carried by the microwave is
  • microwaves excite polarizing molecules of
  • the food such as water, fats, and proteins
  • the food to collide with each other under the oscillation of the electromagnetic field established by the microwaves
  • non-polarizing materials such as air, glass, ceramic, and plastic are not excited by microwaves. Therefore, when a food is heated up, its container made of one of these non-polarizing materials does not exhibit much temperature change. Sometimes the container feels warm because of the
  • microwaves could not totally replace the conventional cooking methods.
  • the primary purpose of the present invention is to provide a composite material and a fabrication method of the material.
  • the composite material could absorb microwaves, keep warmth, and shield electromagnetic waves and, when the material is used for food containers, these containers could provide auxiliary heating when the food is microwaved.
  • the composite material of the present invention is made of 10% ⁇ 90% (in terms of weight) graphite, and 90% ⁇ l 0% consolidating material such as ceramic, plastic, and Polytetrafluorethylene (TEFLON).
  • the fabrication method includes the following steps: (a) combine the graphite and consolidating materials in a 10% ⁇ 90%:90% ⁇ 10% ratio into a composite material; (b) form the composite material into a
  • the solid composite material could be repeatedly used for
  • the solid composite material could also prevent electromagnetic waves from
  • the solid composite material could be heated to a small degree for warmth keeping.
  • FIG 1 is a flow chart showing the processing steps of the fabrication method according to the present invention.
  • FIG 2 is sectional view showing the structure of the solid composite material having a vitrified surface according to a first embodiment of the present invention.
  • FIG 3 is a sectional view showing the structure of the solid composite material having a graphite material clad in a ceramic material according to a second embodiment of the present invention.
  • FIG 4 is a sectional view showing the structure of the solid composite material clad in a ceramic material according to a third embodiment of the present invention.
  • FIG 1 is a flow chart showing the processing steps of the fabrication
  • graphite is evenly combined with a consolidating material in a 10% ⁇ 90%:90% ⁇ 10% ratio into a composite material.
  • Graphite is a commonly known non-metallic mineral
  • the consolidating material is one that, after appropriately compounded, sintered or fused with graphite, would form a cladding layer around graphite to prevent its
  • the consolidating material could be a ceramic, plastic, or Polytetrafluorethylene (TEFLON) material, or other flexible and anti-oxidation coating material.
  • TEFLON Polytetrafluorethylene
  • the ceramic material is formed or pressed into a pre-determined shape.
  • the composite material is sintered at a temperature between
  • the ceramic material 2 is coated on the surface of the graphite 1 and then sintered. The resulting structure is illustrated in FIG 3.
  • graphite 1 and the ceramic material 2 are evenly compounded in a 90%: 10% ratio into a composite material, the ceramic material 2 is again coated on the composite material and then sintered.
  • the resulting structure is illustrated in FIG 4.
  • the foregoing ceramic material could contain clay, feldspar, crystal, glass,
  • grinding material ceramic oxide (such as aluminum oxide, cobalt oxide), electronic material (such as ferrite magnet, BaTiO 3 ) are also considered ceramic materials.
  • the characteristic of these materials lies in that they are in-organic, non-metallic materials and require high-temperature sintering in the
  • the resulted solid composite material could be heated by microwaves up to a temperature above 500 0 C repeatedly for
  • TEFLON Polytetrafluorethylene
  • the consolidating material could be plastic and the third step is to fuse the composite material at a temperature between 80—180° C. More specifically, the foregoing process of
  • fabricating the solid composite material could have the following embodiments.
  • the plastic material is coated on the surface of the graphite and then fused into a cladding layer.
  • the plastic material is again coated on the surface of the composite material, and then
  • the solid composite material could be heated for a small degree for warmth keeping, or the solid composite material could be used to shield
  • the solid composite material of the present invention has the following advantages. First, graphite is an excellent medium for microwave heating.
  • the graphite composite material fabricated by the present invention could be used repeatedly and for an extended period of time under a high temperature without worrying about oxidation. With the present invention, microwaves could be used to replace conventional cooking methods. Secondly, the graphite composite material of the present invention could produce more heat
  • microwaves could replace less efficient fuel such as gas and coal.
  • present invention therefore would contribute both to energy saving and environmental protection. Thirdly, the present invention could shield

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Cookers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne un matériau composite solide et son procédé de production. Le matériau composite solide est produit par: combinaison de graphite, de céramique, de plastique ou de polytétrafluoréthylène; façonnage du matériau composite dans une forme prédéterminée; frittage ou fusion du matériau composite en un matériau fin, solide. Dans cette constitution, le matériau composite solide peut être utilisé de façon répétée et illimitée dans des conditions de haute température, sans provoquer d'oxydation. Le matériau composite solide peut également absorber et empêcher la pénétration d'ondes magnétiques. Au contact de micro-ondes présentant un temps et une puissance d'émission régulés, le matériau composite solide de l'invention peut être chauffé aux fins de conservation de la chaleur.
PCT/US2006/008910 2005-10-17 2006-03-13 Materiau composite utilisable au four micro-ondes et procede de production du materiau Ceased WO2007046849A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA 2524005 CA2524005A1 (fr) 2005-10-17 2005-10-17 Materiau composite micro-ondable et methode de fabrication connexe
CA2,524,005 2005-10-17

Publications (2)

Publication Number Publication Date
WO2007046849A2 true WO2007046849A2 (fr) 2007-04-26
WO2007046849A3 WO2007046849A3 (fr) 2007-09-13

Family

ID=37951551

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/008910 Ceased WO2007046849A2 (fr) 2005-10-17 2006-03-13 Materiau composite utilisable au four micro-ondes et procede de production du materiau

Country Status (2)

Country Link
CA (1) CA2524005A1 (fr)
WO (1) WO2007046849A2 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926851A (en) * 1970-10-22 1975-12-16 Grace W R & Co Porous ceramics-exhaust oxidation catalyst
US6231970B1 (en) * 2000-01-11 2001-05-15 E. Khashoggi Industries, Llc Thermoplastic starch compositions incorporating a particulate filler component
US6593244B1 (en) * 2000-09-11 2003-07-15 Applied Materials Inc. Process for etching conductors at high etch rates
DE10147302B4 (de) * 2001-09-26 2007-02-22 Federal-Mogul Wiesbaden Gmbh & Co. Kg Verfahren zur Herstellung von Lagermaterialien und Verwendung der Lagermaterialien
US20060062998A1 (en) * 2004-06-10 2006-03-23 Taylor Donald W Reinforcement for composite materials and method for making the reforcement

Also Published As

Publication number Publication date
CA2524005A1 (fr) 2007-04-17
WO2007046849A3 (fr) 2007-09-13

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