Abstract:
본 발명은 1) 광 반응성기를 가지는 노보넨계 중합체, 2) 양자점(quantum dot), 3) (메타)아크릴레이트계 화합물 및 4) 광 개시제를 포함하는 액정 배향용 조성물, 이를 이용하여 제조된 액정 배향막 및 이를 포함하는 액정셀에 관한 것이다. 본 발명에 따른 광배향막은 배향성이 우수할 뿐만 아니라, 양자점을 함유하고 있어, 편광 UV의 에너지를 효율적으로 광반응기에 전달할 수 있기 때문에 광배향막의 광반응 속도를 향상시킬 수 있다.
Abstract:
The present invention relates to a detection device and a detection method thereof, capable of rapidly detecting toxic gas and toxic chemicals from gas samples, liquid samples, and blood using the color change of silica particles which are surface-modified silica particles by metal cations with high sensitivity. The toxic gas and toxic chemicals are one or two or more materials selected from hydrogen sulfide, ammonia, and sulfide ions.
Abstract:
PURPOSE: A method for preparing nanoparticle-polymer hybrid materials and the nanoparticle-polymer hybrid materials prepared thereby are provided to improve the dispersibility and the stability of nanoparticles by surface-processing inorganic nanoparticles. CONSTITUTION: A surface-processing compound containing one functional group for combination with inorganic nanoparticles and another functional group corresponding to parts or whole of the unit structure of an inorganic polymer is prepared. The surfaces of the inorganic nanoparticles are processed with the surface-processing compound. The surface-processed inorganic nanoparticles are mixed with the organic polymer. The inorganic nanoparticles are uniformly dispersed in an organic polymer matrix.
Abstract:
PURPOSE: Luminescent silica nanoparticles are provided to ensure excellent luminous efficiency since an Ir(III) complex compound is introduced and to prevent the reaction with oxygen. CONSTITUTION: Luminescent silica nanoparticles comprise organosilane, a silane compound of chemical formula 1 containing Ir(III), water, and a reaction product of a hydrolysis catalyst. A method for preparing the silane compound of chemical formula 1 comprises the steps of: reacting a compound of chemical formula 2 and a picolinic acid of chemical formula 3 to form a compound of chemical formula 4; performing allylation of a compound of chemical formula 4 to form a compound of chemical formula 5; and performing silylation of a compound of chemical formula 5 to form a compound of chemical formula 1.
Abstract:
PURPOSE: Silica-based fluorescent nanoparticles are provided to enable mass production, to be prepared at low cost without expensive fluorescence dye, and to be used as cell, gene, nucleic acid or antibody. CONSTITUTION: A composition comprises organic silane of SiR^1_mX^1_(4-m), fluorescent dye-silane compound of D-L^1-(CH_2)_n-SiX^2_3, water, and a reaction product of hydrolysis catalyst. The reaction product is silica-based fluorescence nanoparticles including the outer surface containing a functional group. In chemical formulas, R^1 is C1-C6 alkyl substituted or unsubstituted with at least one halogen or hydroxyl group, C2-C6 alkenyl or aryl group; m is 0 or 1; n is 3, 4, 5, 6, 7, 8, 9, 10, 11 or 12; D is a radical having fluorophore; L^1 is O, S, C (O) O, C (O) NR, SO2O, C (O) S, C (S) or S2; R^2 is C1-C12 alkyl substituted or unsubstituted with at least one halogen or hydroxyl group; and X^1 and X^2 are hydrolyzable substituents.
Abstract:
PURPOSE: A method for producing an ultra-hydrophobic polymer fabrication is provided to use the ultra-hydrophobic surface of the polymer applied to various-shaped objects. CONSTITUTION: An ultra-hydrophobic polymer fabrication represents a nano-sized fiber fabrication with the surface of micron-sized single layer thereon. The polymer is a thermoplastic polymer. The thermoplastic polymer is selected from the group consisting of: polyester including polyethylene terephthalate(PET), the polytrimethylene terephthalate(PTT), polybutylene terephthalate(PBT), and polyethylene naphthalate(PEN); polyalkylene including polyethylene(PE) and polypropylene(PP); vinyl polymer including polyvinylchloride(PVC); polyamide; polyacetal; polyacrylate including polymethyl metacrylate(PMMA); polycarbonate; polystyrene; polyurethane; acrylonitrile-butadiene-styrene copolymer(ABS); halogenated polyalkylene; and polyarylene oxides and polyarylene sulphide.
Abstract:
본 발명은 납 이온 또는 은 이온으로 표면 개질된 실리카 입자를 튜브 또는 컬럼 내에 포함하고, 상기 납 이온 또는 은 이온으로 표면 개질된 실리카 입자와 혈액 상태의 시료를 튜브 또는 컬럼 내에서 반응시켜 황화 이온을 검출하는 것을 특징으로 하는, 황화 이온 검출장치 및 그 검출 방법을 제공하는 것이다.