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259 results about "Antimony tin oxide" patented technology

Strip electrode with conductive nano tube printing

InactiveUS20050186333A1Accurate electronic readoutMinimizing strip to strip variationImmobilised enzymesBioreactor/fermenter combinationsSilver inkCarbon nanotube
A sensor system that detects a current representative of a compound in a liquid mixture features a multi or three electrode strip adapted for releasable attachment to signal readout circuitry. The strip comprises an elongated support which is preferably flat adapted for releasable attachment to the readout circuitry; a first conductor and a second and a third conductor each extend along the support and comprise means for connection to the circuitry. The circuit is formed with single-walled or multi walled nanotubes conductive traces and may be formed from multiple layers or dispersions containing, carbon nanotubes, carbon nanotubes/antimony tin oxide, carbon nanotubes/platinum, or carbon nanotubes/silver or carbon nanotubes/silver-cloride. An active electrode formed from a separate conductive carbon nanotubes layer or suitable dispersion, positioned to contact the liquid mixture and the first conductor, comprises a deposit of an enzyme capable of catalyzing a reaction involving the compound and preferably an electron mediator, capable of transferring electrons between the enzyme-catalyzed reaction and the first conductor. A reference electrode also formed from a conductive carbon nanotube layer or suitable dispersion is positioned to contact the mixture and the second conductor. The system includes circuitry adapted to provide an electrical signal representative of the current which is formed from printing conductive inks made with nano size particles such as conductive carbon or carbon/platinum or carbon/silver, or carbon nanotubes/antimony tin oxide to form a conductive carbon nanotube layers. The multiple-electrode strip is manufactured, by then applying the enzyme and preferably the mediator onto the electrode. Alternatively the electrode can have a carbon nanotubes/antimony tin oxide, carbon nanotubes/platinum, or carbon nanotubes/silver or carbon nanotubes/silver-cloride surface and or a conductive carbon or silver ink surface connecting leg. The carbon nanotube solution is first coated and patterned into electro shapes and the conductive carbon nanotubes, carbon or silver ink can be attached by printing the ink to interface with the carbon nanotube electro surface. A platinum electrode test strip is also disclosed that is formed from either nano platinum distributed in the carbon nanotube layer or by application or incorporation of platinum to the carbon nanotube conductive ink.
Owner:DOUGLAS JOEL S MR

Preparation method of carbon nanotubes/nano ATO (antimony tin oxide)/polypropylene electroconductive fibers

The invention discloses a preparation method of carbon nanotubes/nano ATO (antimony tin oxide)/polypropylene electroconductive fibers. The preparation method comprises the following steps of: (1) mixing nano ATO and carbon nanotubes, placing in an organic solvent together with a dispersant, and carrying out surface treatment to obtain a double-component nano electroconductive agent; (2) mixing the double-component nano electroconductive agent with polypropylene slices, and carrying out melt blending and strip preparation and granulation with a screw extruder to obtain double-component nano electroconductive agent/polypropylene composite electroconductive slices; (3) carrying out melt spinning on the composite electroconductive slices to obtain carbon nanotubes/nano ATO/polypropylene nascent electroconductive fibers; and (4) stretching and shaping the carbon nanotubes/nano ATO/polypropylene nascent electroconductive fibers to obtain the carbon nanotubes/nano ATO/polypropylene electroconductive fibers. By using the preparation method, the filling factor of a filler is increased, the content of an electroconductive filler in the material is reduced, the electric conductivity of the material is improved, and the electric performance stability of the material is simultaneously improved; and the preparation method has low price and no special requirement on equipment, has a economicand simple process route, and is suitable for industrial production.
Owner:ZHONGYUAN ENGINEERING COLLEGE

Method for preparing antistatic polyacrylonitrile fibers from double-component nano electroconductive agent

The invention discloses a method for preparing antistatic polyacrylonitrile fibers from a double-component nano electroconductive agent. The method comprises the following steps of: (1) compounding nano ATO (antimony tin oxide) with carbon nanotubes at a mass ratio of 1: (1-100) to obtain the double-component nano electroconductive agent, placing the double-component nano electroconductive agent,polyacrylonitrile and a dispersant in a spinning solvent, sufficiently stirring for dissolving polyacrylonitrile to obtain a blend solution, and treating in an ultrasonic dispersion device to prepare a blend spinning stock solution; and (2) passing through the blend spinning stock solution through a filtering and metering pump, and intruding to a coagulation bath composed of the spinning solvent and water through spinneret orifices to prepare the polyacrylonitrile fibers. The method has a simple process and high production efficiency, and can easily realize fiber production by adopting a conventional wet spinning process. By reasonable matching of different features and properties of nano ATO and carbon nanotubes, an electroconductive channel is formed in a polyacrylonitrile matrix, thus the electric conductivity of the polyacrylonitrile fiber is greatly improved.
Owner:ZHONGYUAN ENGINEERING COLLEGE

Flexible transparent nano heat-insulation film and preparation method thereof

The invention discloses a flexible transparent nano heat-insulation film which comprises an organic flexible substrate, a nano antimony tin oxide layer coated on one side of the organic flexible substrate, a TiO2 layer coated on the other side of the organic flexible substrate, a SiO2 layer coated on the other side of the TiO2 layer, and a pressure-sensitive adhesive coated on the other side of the SiO2 layer. The invention also discloses a preparation method of the flexible transparent nano heat-insulation film, which comprises the following steps: 1) preparing a TiO2 coating slurry; 2) preparing a SiO2 coating slurry; 3) preparing a nano antimony tin oxide slurry; 4) coating a nano antimony tin oxide absorptive heat-insulation layer; 5) coating a SiO2/TiO2 reflective heat-insulation layer; and 6) coating the pressure-sensitive adhesive. The method enhances the heat-insulation efficiency of the heat-insulation film, so that the indoor/outdoor temperature difference can reach 10 DEG C; the visible light transmittance of the heat-insulation film is up to 80%; the adhesive force of the coating on the flexible substrate surface reaches Grade 1; the heat-insulation layer can not easily absorb dust, and thus, can not be easily polluted; and the heat-insulation film can be easily attached to or peeled from the surface of the glass, ceramic or any other substrate.
Owner:KUNSHAN BYE MACROMOLECULE MATERIAL CO LTD

Preparation method for titanium dioxide nanotube loaded with macroporous antimony tin oxide

The invention discloses a preparation method for a titanium dioxide nanotube loaded with a macroporous antimony tin oxide, relates to the technical field of preparation of metal oxide electrode materials and also relates to the technical field of treatment of phenolic waste water. The preparation method comprises the following steps: immersing the titanium dioxide nanotube filled with an antimony tin oxide into highly dispersed polystyrene microsphere alcohol liquor, drying and forming a film at a constant temperature to prepare the titanium dioxide nanotube loaded with an opal polystyrene template; and then, coating polymer precursor liquor on the opal polystyrene template of the titanium dioxide nanotube loaded with the opal polystyrene template, sintering at a high temperature to remove polystyrene microspheres to obtain an antimony tin oxide material with an inverse opal macroporous structure, which takes the titanium dioxide nanotube as a base body. According to the preparation method, a macroporous antimony tin oxide film material which is compact, uniform and ordered is prepared on the base body of the titanium dioxide nanotube by virtue of a polymer precursor process. The preparation method is convenient for industrial production and relatively low in cost.
Owner:YANGZHOU UNIV
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