Abstract: An aspect of the present invention is to provide a fluorine-based polymer showing a significantly low dielectric constant of less than 1.8 and a fluorine-based polymer composition including the same. The fluorine-based polymer provided in an aspect of the present invention shows a very low dielectric constant, wherein the polymer is not only a pollution-reducing material generating no harmful substance, but may also be utilized as a coating material in various fields due to high adhesiveness. Furthermore, a polymer film employing the polymer as a material has a volume resistance of about 5.8×1015 Ohmcm, showing an excellent resistance value as an insulating material.

Abstract: Disclosed is a blood-compatible polymer represented by Formula 1. A polymer obtained by grafting a fluorinated methacrylate onto a polyvinylidene fluoride copolymer and provided in one aspect of the present invention is a polymer with blood compatibility, and may provide a blood-compatible material with hydrophobicity. In addition, it is possible to provide a material with controlled contact angle and surface energy properties by controlling the hydrogen fluoride length of the fluorinated methacrylate monomer for modification. Furthermore, it is possible to provide coating with controlled surface properties and blood compatibility through a simple process. Furthermore, it is possible to provide a freestanding polymer film with blood compatibility.

Abstract: The present invention relates to an insulating gas used for electrical insulation or arc extinguishing of an electrical device, and an electrical device for insulating electricity using the same. The insulating gas of the present invention, which may replace SF6 gas, consists of a mixed gas of trifluoromethyl trifluorovinyl ether (CF3OCFCF2) and a carrier gas. The insulating gas of the present invention has the characteristics of a low boiling point, high dielectric strength, low toxicity, and a low global warming potential (GWP=1 or less), and thus may replace SF6, and the low global warming potential with no loss of high insulating capacity and arc extinguishing capability may reduce greenhouse gases.

Abstract: The present invention relates to a composition for forming a composite polymer film, a method for preparing the composition for forming a composite polymer film, a composite polymer film and a method for preparing the composite polymer film. The composition for forming a composite polymer film comprises: a fluorine-based polymer solution comprising a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the fluorine-based polymer solution. The method for preparing the composition for forming a composite polymer film comprises the steps of: preparing a fluorine-based polymer solution comprising a fluorine-based polymer; and dispersing polyvinylidene fluoride nanoparticles in the fluorine-based polymer solution. The composite polymer film comprises: a polymer matrix formed from a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the polymer matrix.

Abstract: The present invention relates to a method for preparing a perfluorodialkyl ether, comprising the steps of: (A) preparing a perfluorodialkyl ether from a compound represented by Formula 1 in the presence of a metal fluoride; and (B) isolating the perfluorodialkyl ether, and to an apparatus for preparing perfluorodialkyl ether, comprising: a reactor for preparing a perfluorodialkyl ether from a compound represented by Formula 1 in the presence of a metal fluoride; a reactant supplier for introducing the compound represented by Formula 1 into the reactor; and a discharge unit for discharging the perfluorodialkyl ether from the upper portion of the reactor.

Abstract: According to an embodiment of the present invention, provided is a process for polymerizing molecular weight—adjustable polymer, comprising: a reactant supply step of supplying a gaseous monomer, a surfactant, and an initiator; a polymerization reaction step of performing a polymerization reaction in which the monomer, the surfactant, and the initiator participate; and a product discharging step of discharging the polymer compound produced by the polymerization reaction, wherein the flow rate of the supplied initiator is inversely proportional to the molecular weight of the polymer compound, and the molecular weight of the polymer compound produced by the polymerization reaction is adjusted by controlling the flow rate of the initiator.

Abstract: Disclosed is a blood-compatible polymer represented by Formula 1. A polymer obtained by grafting a fluorinated methacrylate onto a polyvinylidene fluoride copolymer and provided in one aspect of the present invention is a polymer with blood compatibility, and may provide a blood-compatible material with hydrophobicity. In addition, it is possible to provide a material with controlled contact angle and surface energy properties by controlling the hydrogen fluoride length of the fluorinated methacrylate monomer for modification. Furthermore, it is possible to provide coating with controlled surface properties and blood compatibility through a simple process. Furthermore, it is possible to provide a freestanding polymer film with blood compatibility.

Abstract: The present invention relates to a preparation method of trifluoroamine oxide comprising the steps of producing an intermediate product by reacting nitrogen trifluoride and nitrous oxide in the presence of a reaction catalyst; and producing trifluoroamine oxide by reacting the intermediate product with sodium fluoride in vacuum condition up to 100 mmHg.

Abstract: The present invention relates to a preparation method of trifluoroamine oxide which comprises the steps of producing an intermediate product by reacting nitrogen trifluoride and nitrous oxide in the presence of a reaction catalyst wherein the unreacted gas containing nitrogen (N2) produced in the course of the reaction is removed and instead nitrogen trifluoride and nitrous oxide are injected additionally; and producing trifluoroamine oxide by reacting the intermediate product with sodium fluoride.

Abstract: The present invention relates to a preparation method of trifluoroamine oxide comprising the steps of producing an intermediate product by reacting nitrogen trifluoride and nitrous oxide in the presence of a reaction catalyst; and producing trifluoroamine oxide by reacting the intermediate product with sodium fluoride in vacuum condition up to 100 mmHg.

Abstract: Disclosed herein is a terminal for providing a vehicle interface to a vehicle information terminal, which may include a terminal information collection unit configured to collect a terminal information of other terminals which is able to receive and transmit a content data; a wireless communication unit configured to receive a content data reproduction request from the other terminal; a content interface generation unit configured to generate a content interface which provides through the vehicle interface based on the terminal information and the content data reproduction request; and a content data relay unit configured to control reproducing the content data received from the other terminal through the content interface and providing to the vehicle information terminal.

Abstract: Provided is a vehicle interface providing terminal including: a wireless communication unit configured to receive a call signal transmitted from a base station; a terminal information collection unit configured to collect terminal information of other callable terminals; a vehicle interface generator configured to provide a vehicle interface to a vehicle information providing terminal and provide a selection list through the vehicle interface based on the terminal information when the call signal is received; and a call voice relay unit configured to relay a voice signal between a second terminal selected in the selection list and the base station, in which the call voice relay unit transmits the voice signal received from the base station and transmits the voice signal received from the second terminal to the base station, when the second terminal is selected.

Abstract: Provided is a terminal of providing a vehicle interface to a vehicle information providing terminal, the terminal including: a terminal information collection unit configured to collect terminal information of the other terminal capable of transceiving contents data; a wireless communication unit configured to receive a reproduction request of the contents data transmitted from the other terminal; a contents interface generator configured to generate a contents interface provided through the vehicle interface based on the terminal information and the contents data reproduction request; and a contents data relay unit configured to reproduce the contents data received from the other terminal through the contents interface to control the reproduced contents data to be provided to the vehicle information providing terminal.

Abstract: Disclosed herein is a terminal for providing a vehicle interface to a vehicle information terminal, which may include a terminal information collection unit configured to collect a terminal information of other terminals which is able to receive and transmit a content data; a wireless communication unit configured to receive a content data reproduction request from the other terminal; a content interface generation unit configured to generate a content interface which provides through the vehicle interface based on the terminal information and the content data reproduction request; and a content data relay unit configured to control reproducing the content data received from the other terminal through the content interface and providing to the vehicle information terminal.

Abstract: Provided is a terminal of providing a vehicle interface to a vehicle information providing terminal, the terminal including: a terminal information collection unit configured to collect terminal information of the other terminal capable of transceiving contents data; a wireless communication unit configured to receive a reproduction request of the contents data transmitted from the other terminal; a contents interface generator configured to generate a contents interface provided through the vehicle interface based on the terminal information and the contents data reproduction request; and a contents data relay unit configured to reproduce the contents data received from the other terminal through the contents interface to control the reproduced contents data to be provided to the vehicle information providing terminal.

Abstract: Provided is a vehicle interface providing terminal including: a wireless communication unit configured to receive a call signal transmitted from a base station; a terminal information collection unit configured to collect terminal information of other callable terminals; a vehicle interface generator configured to provide a vehicle interface to a vehicle information providing terminal and provide a selection list through the vehicle interface based on the terminal information when the call signal is received; and a call voice relay unit configured to relay a voice signal between a second terminal selected in the selection list and the base station, in which the call voice relay unit transmits the voice signal received from the base station and transmits the voice signal received from the second terminal to the base station, when the second terminal is selected.

Abstract: Provided is an operating method of a portable terminal including receiving a voice signal from another party terminal, extracting a function control command from the voice signal, performing a function of the portable terminal corresponding to the function control command, generating an interface for transmitting a result of the function performance to the other party terminal, and outputting the interface when a predetermined user operation is detected.

Abstract: The present invention relates generally to a security system and a security method using the same, and, more particularly, to a security system and method for a keyboard which communicates through a USB port. The security method includes the USB filter activation step; the input data reception step of initially receiving the data input through the USB keyboard by the USB filter; the key input information detection step of detecting key input information generated by key manipulation of a user from the input data; the key input information parsing step of arranging the detected key input information in generation order; the key input information encryption step of encrypting the key input information arranged at the parsing step; the input data deletion step of deleting the input data remaining in a USB bus to disallow an operating system to recognize the input data; and the key input information delivery step of delivering the encrypted key input information to a communication application.