Abstract: A method for regenerating a Cu-BTC material includes: impregnating a Cu-BTC adsorbed with guest molecules in an acidic proton solvent or in a steam environment thereof, and filtering the Cu-BTC material, to obtain a solid; impregnating the solid in a non-acidic organic solvent or a steam environment thereof, and finally filtering, washing and drying the solid, to complete the generation of the Cu-BTC material.

Abstract: A mesoporous composite titanium oxide, which is composed of a mesoporous titanium oxide, the outside surface and the wall of pores of the mesoporous titanium oxide are modified by inorganic matters; inorganic matter contains at least one element selected from carbon, silicon, sulphur, phosphorus and selenium in an amount of 0.01%-25%, on amount of the element mass, of the mass of said mesoporous composite titanium oxide material; at least one mean pore size of pore distribution of the mesoporous compound titanium oxide material is 3-15 nm, the specific surface area is 50-250 m2/g, and the pore volume is 0.05-0.4 cm3/g. As a catalyst carrier, the rate of conversion of the hydrodesulfurization reaction of the material reaches as high as 98 percent, and as a lithium ion battery cathode material, the specific capacity of the lithium ion battery cathode material reaches as high as 220 mAh/g.

Abstract: A preparation method of carbon modified filler is provided. The method is: putting the fillers into the reaction zone of a reactor, starting the first heating-up to 400-500° C. under the protective atmosphere at first, then introducing hydrogen after the heating-up; starting the second heating-up to 600-1200° C. after introducing hydrogen and simultaneously introducing the mixture of hydrogen and carbon source gas, keeping at the terminal temperature for 0.1-5 hours, introducing nitrogen and stopping heating after the reaction, cooling, and then getting the carbon modified filler. The above method can obtain a friction material with good mechanical properties, excellent friction and wear performances, stable friction coefficient at high temperature, good braking force and no heat recession.

Abstract: The methods for preparing Cu-BTC and nano-Cu-BTC are disclosed. An imporous coordination compound Cu(C9H4O6)(H2O)3 is impregnated an organic solvent or a steam environment thereof to obtain Cu-BTC. Cu-BTC is impregnated in an acidic protic solvent environment and filtered to obtain a solid, and the solid is impregnated in a non-acidic organic solvent or a steam environment thereof, centrifuged, washed, and dried, to obtain nano-Cu-BTC.

Abstract: The methods for preparing Cu-BTC and nano-Cu-BTC are disclosed. An imporous coordination compound Cu(C9H4O6)(H2O)3 is impregnated an organic solvent or a steam environment thereof to obtain Cu-BTC. Cu-BTC is impregnated in an acidic protic solvent environment and filtered to obtain a solid, and the solid is impregnated in a non-acidic organic solvent or a steam environment thereof, centrifuged, washed, and dried, to obtain nano-Cu-BTC.

Abstract: A method for regenerating a Cu-BTC material includes: impregnating a Cu-BTC adsorbed with guest molecules in an acidic proton solvent or in a steam environment thereof, and filtering the Cu-BTC material, to obtain a solid; impregnating the solid in a non-acidic organic solvent or a steam environment thereof, and finally filtering, washing and drying the solid, to complete the generation of the Cu-BTC material.

Abstract: A preparation method of carbon modified filler is provided. The method is: putting the fillers into the reaction zone of a reactor, starting the first heating-up to 400-500° C. under the protective atmosphere at first, then introducing hydrogen after the heating-up; starting the second heating-up to 600-1200° C. after introducing hydrogen and simultaneously introducing the mixture of hydrogen and carbon source gas, keeping at the terminal temperature for 0.1-5 hours, introducing nitrogen and stopping heating after the reaction, cooling, and then getting the carbon modified filler. The above method can obtain a friction material with good mechanical properties, excellent friction and wear performances, stable friction coefficient at high temperature, good braking force and no heat recession.

Abstract: The invention discloses a copper-free ceramic friction material and a preparation method thereof. The friction material at least contains the following materials in mass content: 2-30% of alkaline earth-based metal compound and 2-30% of carbon fiber, wherein the alkaline earth-based metal compound is MxFeyTiOz, M is alkaline earth element Be, Mg, Ca, Sr or Ba, x is 0.2-2, y is 1-2, and z is 4-16. The friction material prepared according to the invention has excellent friction wear performance, high property of heat conductivity and excellent high temperature fading resistance. The temperature on the friction surfaces is effectively reduced during braking.

Abstract: A method for preparing titania or precursor thereof with a controllable structure from micropore to mesopore is provided. The method is characterized in that the alkali metal titanate as raw material is reacted for 0.5˜72 hours in the wet atmosphere with humidity of 2˜100% at temperature of 20˜250° C., then washed with water or acid, finally performed by air roasting or solvent thermal treatment. The method has advantages that the raw material is easy to be obtained, the conditions and preparation are controllable, the pore structure may be adjusted from micropore to mesopore, crystal mixing and doping are easy, reacting time is short, preparing cost is low, and the said method is suitable for large scale production and so on. The most probable aperture of titanium oxide or precursor thereof with a controllable structure from micropore to mesopore is in the range of 1˜20 nm, the pore volume thereof is in the range of 0.05˜0.4 cm3/g, and the specific surface area thereof is more than 30 m2/g.

Abstract: The invention discloses a mesoporous composite titanium oxide and a preparation method thereof, wherein the mesoporous composite titanium oxide material is composed of a mesoporous titanium oxide and an inorganic matter is composite on the outside surface and the wall of pores of the mesoporous titanium oxide; said inorganic matter contains at least one element selected from carbon, silicon, sulphur, phosphorus and selenium in an amount of 0.01%-25%, on amount of the element mass, of the mass of said mesoporous composite titanium oxide material; at least one most probable pore diameter of pore distribution of the mesoporous compound titanium oxide material is 3-15 nm, the specific surface area is 50-250 m2/g, and the pore volume is 0.05-0.4 m3/g.

Abstract: A method for preparing titania or precursor thereof with a controllable structure from micropore to mesopore is provided. The method is characterized in that the alkali metal titanate as raw material is reacted for 0.5˜72 hours in the wet atmosphere with humidity of 2˜100% at temperature of 20˜250° C., then washed with water or acid, finally performed by air roasting or solvent thermal treatment. The method has advantages that the raw material is easy to be obtained, the conditions and preparation are controllable, the pore structure may be adjusted from micropore to mesopore, crystal mixing and doping are easy, reacting time is short, preparing cost is low, and the said method is suitable for large scale production and so on. The most probable aperture of titanium oxide or precursor thereof with a controllable structure from micropore to mesopore is in the range of 1˜20 nm, the pore volume thereof is in the range of 0.05˜0.4 cm3/g, and the specific surface area thereof is more than 30 m2/g.