Abstract: The present invention relates to a filter including nanofiber between substrates, and the technical feature is after laminating forming nanofiber non-woven fabric by electrospinning polymer spinning solution on a first substrate, adhereing a second substrate on laminated nanofiber non-woven fabric, and forming a filter including nanofiber.

Abstract: The purpose of the present invention is to provide a filter comprising nanofiber and a method for manufacturing the same, and the present invention relates to a filter manufactured by continuously forming spinning solution by means of an electrospinning apparatus comprising at least two units, and a method for manufacturing the same. A filter manufactured by the method is advantageous in that manufacturing process can be made continuous, thereby making process efficient and enabling mass production, and is characterized in that, by having nanofiber non-woven fabric a filter having excellent filtering efficiency is manufactured.

Abstract: The present invention, aimed to enhance low heat-resistant ability of the current filters, relates to multi-layered nanofiber filter media and its manufacturing method, laminating nanofiber using electro-blown and electro-spinning subsequently on a cellulose substrate. In addition, the present invention relates to multi-layered nanofiber filter media and its manufacturing method, laminating nanofiber using melt-blown and electro-spinning subsequently on a cellulose substrate.

Abstract: A multi-layered nanofiber filter for improved heat-resisting property and its manufacturing method are provided that realizes high efficient and heat-resistant polymer nanofiber filter having fine pore and low pressure loss by electrospinning polymer on a substrate and consecutively laminating forming polymer nanofiber.

Abstract: The present invention relates to an electrospinning apparatus, and the purpose of the present invention is to provide an electrospinning apparatus capable of producing nanofiber having various ingredients and thicknesses by controlling the temperature of at least one solution discharged from nozzles mounted on the tubular bodies of a nozzle block and thus controlling the viscosity of the solution which is electrospun; producing nanofiber having uniform quality without applying a density difference and a voltage difference by disposing the front end portions of the nozzles in a flare shape; and mass-producing nanofiber at a low cost as well as reducing the amount of the solution used by removing an overflow prevention system and using a metering pump alone or by using the metering pump and the overflow prevention system alternatively or in a hybrid manner.

Abstract: An electrospinning apparatus capable of: forming a buffer section between the respective units of the electrospinning apparatus and installing a vertically movable adjustment roller in the buffer section to adjust the transfer speed and time of a long sheet, which passes through the respective units, for each section and prevents the crumpling, sagging, snapping, breakage, and damage of the elongated sheet, avoiding abnormal transfer of the elongated sheet due to electrostatic attraction during electrospinning and, in a nanofiber production step, disposing an apparatus for detecting the sagging of the elongated sheet before and after a spinning zone, detecting the sagging of the elongated sheet, and transmitting the signal to an apparatus for assisting the transfer of the elongated sheet so as to adjust the transfer speed of the elongated sheet. This automatically improves the sagging of the sheet and thereby effectively prevent the problem caused by the sagging of the sheet.

Abstract: The present invention relates to an electrospinning apparatus Capable of: reusing and recycling VOC, which is generated when a spinning solution jetted from the nozzle of a nozzle block in the electrospinning apparatus is laminating on an elongated sheet, and spinning solution which has overflowed without being nanofiberized by condensing and liquefying same and then adding the resulting products to the spinning solution. The electrospinning apparatus's case lower side forms an electric conductor material and the upper side forms an electric insulator material, the case upper side insulating member for attaching a collector can be deleted, and thereby simplifying the overall configuration of the electrospinning apparatus.

Abstract: The present invention relates to an electrospinning apparatus for mass-production of nanofibers, particularly to an electrospinning apparatus with an electric stability and an improved nozzle blocks. The bottom-up electrospinning apparatus for the mass-production of nanofiber comprises at least one nozzle block having a plurality of spinning nozzles arranged in the horizontal and vertical direction; a collector installed over the nozzle blocks in order to correspond to the nozzle blocks and maintain a certain distance in between; a power source to apply voltage difference between the nozzle block and the collector; and a spinning solution container to supply the spinning solution to the nozzle block, wherein the nozzle block and the collector are connected to the positive terminal and the negative terminal, respectively and among a plurality of spinning nozzles arranged along the horizontal line, a spinning nozzle in the middle and a spinning nozzle in the end have different height.

Abstract: A method for manufacturing carbon nanotubes includes the steps of: preparing metal-containing-nanofibers which include nanofibers made of organic polymer and metal which possesses a catalytic function in forming carbon nanotubes; and forming carbon nanotubes which contain metal therein by using the nanofibers as a carbon source, wherein the carbon nanotubes are formed by putting the metal-containing-nanofibers into a heating vessel which has a substance capable of converting electromagnetic energy into heat, and by heating the metal-containing-nanofibers using heat which is generated by the heating vessel when electromagnetic energy is applied to the heating vessel.

Abstract: A method for manufacturing carbon nanotubes of the present invention includes the steps of: preparing a metal complex which contains at least one metal selected from a group consisting of iron, cobalt and nickel and an organic compound: and forming carbon nanotubes which contain metal therein by using the organic compound as a carbon source, wherein the carbon nanotubes are formed by putting the metal complex into a heating vessel which has a substance capable of converting electromagnetic energy into heat, and by heating the metal complex using heat which is generated by the heating vessel when electromagnetic energy is applied to the heating vessel. As the metal complex used in a method for manufacturing carbon nanotubes of the present invention, nickel stearate or nickel benzoate can be named, for example. According to the method for manufacturing carbon nanotubes of the present invention, it is possible to manufacture carbon nanotubes using an inexpensive heating device within a short time.

Abstract: A method for manufacturing carbon nanotubes of the present invention includes the steps of: preparing at least one metal selected from a group consisting of iron, cobalt and nickel and an organic compound: and forming carbon nanotubes by using the organic compound as a carbon source, wherein the metal and the organic compound are put into a heating vessel having a substance capable of converting electromagnetic energy into heat, and the organic compound is brought into contact with the metal in a state where the inside of the heating vessel is heated at a temperature of 600° C. to 900° C. by applying the electromagnetic energy to the heating vessel so as to form the carbon nanotubes.