Abstract: The present invention relates to a method for preparing a transparent metallopolymer-based coating solution having excellent durability as well as excellent antifogging and antibacterial properties. The method for preparing a coating solution of the present invention comprises the steps of: adding an ultraviolet radical initiator, TMSH (trimethylolpropane tris(3-mercaptopropionate), and TESPMA (3-(trimethoxysilyl)propyl methacrylate) into a solvent containing ethyl acetate or acetone; irradiating the solution with ultraviolet rays to cause a polymerization reaction; and adding a metal precursor to the resulting solution, and then stirring same under a nitrogen atmosphere.

Abstract: Disclosed is a temperature measurement system including: a light source unit for receiving excitation light; a target material on which the temperature-sensitive film is attached in order to emit the received excitation light into emission light; a phosphorescence detector for extracting the emission light into a phosphorescence decay signal; and a temperature extraction unit for extracting temperature of the target material using the phosphorescence decay signal.

Abstract: The present invention relates to an organic-inorganic hybrid nanoporous silica material having high selectivity to particular metal ions, and a method for preparing the same. Specifically, the present invention provides an organic-inorganic hybrid nanoporous silica material and a method for preparing the same, wherein the organic-inorganic hybrid nanoporous silica material has a closed pore form by capturing a functionalized silane compound in a nanoporous silica material, which is surface-modified with a functionalized silane compound, using a cyclic molecule, and enables the sensing and highly selective adsorption of various metals due to the incorporation of an organic ligand capable of adsorbing metal ions in pores.

Abstract: Provided are a diamine compound, a polyamic acid and polyimide using the same. The diamine monomer compound is useful for preparing a transparent polyamic acid and polyimide having a high refractive index and a low birefringence.

Abstract: The present invention relates to an organic-inorganic hybrid nanoporous silica material having high selectivity to particular metal ions, and a method for preparing the same. Specifically, the present invention provides an organic-inorganic hybrid nanoporous silica material and a method for preparing the same, wherein the organic-inorganic hybrid nanoporous silica material has a closed pore form by capturing a functionalized silane compound in a nanoporous silica material, which is surface-modified with a functionalized silane compound, using a cyclic molecule, and enables the sensing and highly selective adsorption of various metals due to the incorporation of an organic ligand capable of adsorbing metal ions in pores.

Abstract: The present invention relates to a PVC-based metallopolymer nanocomposite. The PVC-based metallopolymer nanocomposite includes a core-forming metal ion, a nucleophilic thiol having three mercapto functional groups, and poly(vinyl chloride) (PVC). The present invention also relates to a metallopolymer nanocomposite surface modified with silica that is prepared by grafting the PVC-based metallopolymer nanocomposite with a silane compound.

Abstract: The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.

Abstract: The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.

Abstract: This invention relates to a polyimide and a film using the same and, more particularly, to a polyimide, which can exhibit a low dielectric constant while retaining the superior properties thereof, and can thus be utilized as electronic materials such as protective materials or insulating materials for liquid crystal displays or semiconductors, and optical communication materials such as optical waveguide materials, and to a polyimide film including the same.

Abstract: Provided are a diamine compound, a polyamic acid and polyimide using the same. The diamine monomer compound is useful for preparing a transparent polyamic acid and polyimide having a high refractive index and a low birefringence.

Abstract: This invention relates to a polyimide and a film using the same and, more particularly, to a polyimide, which can exhibit a low dielectric constant while retaining the superior properties thereof, and can thus be utilized as electronic materials such as protective materials or insulating materials for liquid crystal displays or semiconductors, and optical communication materials such as optical waveguide materials, and to a polyimide film including the same.

Abstract: The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.

Abstract: The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.

Abstract: The present invention relates to a PVC-based metallopolymer nanocomposite. The PVC-based metallopolymer nanocomposite includes a core-forming metal ion, a nucleophilic thiol having three mercapto functional groups, and poly(vinyl chloride) (PVC). The present invention also relates to a metallopolymer nanocomposite surface modified with silica that is prepared by grafting the PVC-based metallopolymer nanocomposite with a silane compound.

Abstract: The present invention relates to an electrolytic cell for an FT-CDI including: an injection port into which a bead and a concentrate are injected and a discharge port through which the bead and the concentrate are discharged to circulate the bead, thereby preventing the concentration of the bead from being degraded and disposes a mesh at a place in which the concentrate and the bead are received to disperse the concentrate and the bead well.

Abstract: Disclosed is an adsorptive ball for recovering precious metals and resources, a method for manufacturing the adsorptive bale, a flow through-continuous deionization (FT-CDI) module capable of recovering precious metals by using the adsorptive ball, and a flow through-continuous deionization (FT-CDI) apparatus having the flow through-continuous deionization (FT-CDI) installed thereat.

Abstract: A silica precursor having a selective adsorptivity with respect to cobalt ions is disclosed. The silica precursor includes a cross-linked 2,6-diamino pyridine group obtained by using 2,6-diamino pyridine, phosgene and 3-aminopropyltriethoxysilane.

Abstract: Disclosed is a polyimide nanocomposite, which is prepared by mixing modified graphene oxide, polyamic acid, and a solvent to obtain a mixture solution, and heat-curing the mixture solution.

Abstract: A silica precursor having a selective adsorptivity with respect to cobalt ions is disclosed. The silica precursor includes a cross-linked 2,6-diamino pyridine group obtained by using 2,6-diamino pyridine, phosgene and 3-aminopropyltriethoxysilane.

Abstract: Disclosed is a polyimide nanocomposite, which is prepared by mixing modified graphene oxide, polyamic acid, and a solvent to obtain a mixture solution, and heat-curing the mixture solution.