Patent application number | Description | Published |
20100032849 | MICROWAVE-ASSISTED SYNTHESIS OF CARBON AND CARBON-METAL COMPOSITES FROM LIGNIN, TANNIN AND ASPHALT DERIVATIVES - A process for synthesizing carbon-metal nanocomposites. In one embodiment, the process includes the steps of preparing a metal derivative or a metal chelated derivative of a carbon-containing precursor in solid form, and subjecting the metal derivative or metal chelated derivative of a carbon-containing precursor in solid form to microwave radiation at a frequency in the range of 900 MHz to 5.8 GHz, for a period of time effective to generate a heat flow from inside of the metal derivative or metal chelated derivative of a carbon-containing precursor in solid form to the outside such that the temperature of the metal derivative or metal chelated derivative of a carbon-containing precursor in solid form reaches 1,000° C. in less than 6 minutes with a temperature (T) derivative over time (t), ΔT/Δt, no less than 2.5° C./second to form carbon-metal nanocomposites. | 02-11-2010 |
20100035775 | MICROWAVE-ASSISTED SYNTHESIS OF CARBON AND CARBON-METAL COMPOSITES FROM LIGNIN, TANNIN AND ASPHALT DERIVATIVES AND APPLICATIONS OF SAME - A plurality of carbon-metal nanocomposites. In one embodiment, the plurality of carbon-metal nanocomposites includes a plurality of carbons with a molecular structure that shows a first peak in the range of 1585 to 1565 cm | 02-11-2010 |
20100307983 | USE OF MAGNETIC CARBON COMPOSITES FROM RENEWABLE RESOURCE MATERIALS FOR OIL SPILL CLEAN UP AND RECOVERY - A method for separating a liquid hydrocarbon material from a body of water. In one embodiment, the method includes the steps of mixing a plurality of magnetic carbon-metal nanocomposites with a liquid hydrocarbon material dispersed in a body of water to allow the plurality of magnetic carbon-metal nanocomposites each to be adhered by an amount of the liquid hydrocarbon material to form a mixture, applying a magnetic force to the mixture to attract the plurality of magnetic carbon-metal nanocomposites each adhered by an amount of the liquid hydrocarbon material, and removing said plurality of magnetic carbon-metal nanocomposites each adhered by an amount of the liquid hydrocarbon material from said body of water while maintaining the applied magnetic force, wherein the plurality of magnetic carbon-metal nanocomposites is formed by subjecting one or more metal lignosulfonates or metal salts to microwave radiation, in presence of lignin/derivatives either in presence of alkali or a microwave absorbing material. | 12-09-2010 |
20100310442 | MICROWAVE-ASSISTED SYNTHESIS OF TRANSITION METAL PHOSPHIDE - A method of synthesizing transition metal phosphide. In one embodiment, the method has the steps of preparing a transition metal lignosulfonate, mixing the transition metal lignosulfonate with phosphoric acid to form a mixture, and subjecting the mixture to a microwave radiation for a duration of time effective to obtain a transition metal phosphide. | 12-09-2010 |
20110171108 | MICROWAVE-ASSISTED SYNTHESIS OF NANODIAMONDS FROM TANNIN, LIGNIN, ASPHALT, AND DERIVATIVES - A method of synthesizing nanodiamonds. In one embodiment, the present invention provides a method of synthesizing nanodiamonds, which includes the step of subjecting an amount of tannin to a microwave radiation for a duration of time effective to produce a plurality of nanodiamonds. | 07-14-2011 |
20110171110 | MICROWAVE-ASSISTED SYNTHESIS OF CARBON NANOTUBES FROM TANNIN, LIGNIN, AND DERIVATIVES - A method of synthesizing carbon nanotubes. In one embodiment, the method includes the steps of: (a) dissolving a first amount of a first transition-metal salt and a second amount of a second transition-metal salt in water to form a solution; (b) adding a third amount of tannin to the solution to form a mixture; (c) heating the mixture to a first temperature for a first duration of time to form a sample; and (d) subjecting the sample to a microwave radiation for a second duration of time effective to produce a plurality of carbon nanotubes. | 07-14-2011 |
20110174738 | METHODS OF SYNTHESIZING CARBON-MAGNETITE NANOCOMPOSITES FROM RENEWABLE RESOURCE MATERIALS AND APPLICATION OF SAME - A method of synthesizing carbon-magnetite nanocomposites. In one embodiment, the method includes the steps of (a) dissolving a first amount of an alkali salt of lignosulfonate in water to form a first solution, (b) heating the first solution to a first temperature, (c) adding a second amount of iron sulfate (FeSO | 07-21-2011 |
20120121821 | RENEWABLE RESOURCE-BASED METAL-CONTAINING MATERIALS AND APPLICATIONS OF THE SAME - In accordance with certain aspects of the present disclosure, a method of producing carbon-metal nanocomposites includes (a) treating a material containing at least one o-catechol unit with a first solution of hexamine such that the material becomes hexamine treated; (b) treating the material with a second solution having a plurality of metal ions such that the material becomes metal treated; (c) treating the material with a third solution of alkali such that the material becomes alkali treated; and (d) heating the alkali, metal and hexamine treated material after (a), (b), and (c) for a predetermined period of time such that a plurality of carbon-metal nanocomposites having metal nanoparticles dispersed in the material are produced. | 05-17-2012 |
20130157838 | DOPED-CARBON COMPOSITES, SYNTHESIZING METHODS AND APPLICATIONS OF THE SAME - A method of synthesizing a doped carbon composite includes preparing a solution having a carbon source material and a heteroatom containing additive, evaporating the solution to yield a plurality of powders, and subjecting the plurality of powders to a heat treatment for a duration of time effective to produce the doped carbon composite. | 06-20-2013 |
20130233802 | RENEWABLE RESOURCE-BASED METAL OXIDE-CONTAINING MATERIALS AND APPLICATIONS OF THE SAME - Metal nanocomposites and methods of producing the same are disclosed. The nanocomposites have metal nanoparticles dispersed in a matrix carrier and can be produced by: treating a matrix material having a functional group with a quaternary amine compound to form a function site; treating the matrix material with a metal salt such that a metal ion of the metal salt is chelated with the functional site; treating the matrix material with an alkali; and microwaving the matrix material to form the metal nanocomposites. | 09-12-2013 |
20140102988 | USE OF MAGNETIC CARBON COMPOSITES FROM RENEWABLE RESOURCE MATERIALS FOR OIL SPILL CLEAN UP AND RECOVERY - A method of separating a liquid hydrocarbon material from a body of water, includes: (a) mixing magnetic carbon-metal nanocomposites with a liquid hydrocarbon material dispersed in a body of water to allow the magnetic carbon-metal nanocomposites each to be adhered by the liquid hydrocarbon material to form a mixture; (b) applying a magnetic force to the mixture to attract the magnetic carbon-metal nanocomposites each adhered by the liquid hydrocarbon material; and (c) removing the body of water from the magnetic carbon-metal nanocomposites each adhered by the liquid hydrocarbon material while maintaining the applied magnetic force. The magnetic carbon-metal nanocomposites is formed by subjecting one or more metal lignosulfonates or metal salts to microwave radiation, in presence of lignin/derivatives either in presence of alkali or a microwave absorbing material, for a period of time effective to allow the carbon-metal nanocomposites to be formed. | 04-17-2014 |