Abstract:
본 발명은 표면매개물질의 요구 없이 금 나노막대 표면에 실리카를 안정적으로 코팅할 수 있는 금 나노막대의 표면 실리카 코팅 방법 및 이를 이용한 나노하이브리드 제조방법 그리고 그에 따라 제조된 나노하이브리드에 관한 것으로서, 본 발명에 따른 금 나노막대의 표면 실리카 코팅 방법은 금 나노막대를 준비하는 단계 및 아민기(amine function)를 갖는 고분자물질과 머캅토기(mercapto function)를 갖는 고분자물질이 혼합된 혼합물을, 상기 금 나노막대와 혼합, 교반하여 금 나노막대 표면에 실리카층을 코팅하는 단계를 포함하여 이루어지는 것을 특징으로 한다.
Abstract:
PURPOSE: An ion-exchange resin and a manufacturing method thereof are provided. Under the manufacturing method of the ion-exchange resin, the formation of methyl chloride is maximized to produce an ion-exchange resin with high functionality and the specific surface area of the ion-exchange resin is maximized to increase the ion exchange capacity of the ion-exchange resin. CONSTITUTION: A manufacturing method of an ion-exchange resin comprises the steps of: preparing a macromolecular bead by mixing styrene monomer and divinyl benzene in an aqueous solution, mixing the macromolecular bead in the aqueous solution, alkyl halide material, and a reaction catalyst to drive the chloromethylation reaction for producing a resin with methyl chloride, and reacting the resin having methyl chloride with amine material to attach an amine group to the resin with methyl chloride. In the steps, the organic solvent is dichloroethane, the alkyl halide material is chloromethylmethylether and the reaction catalyst is ferric chloride (FeCl3). [Reference numerals] (AA) Styrene / Divinylbenzene; (BB) Polymer bead; (CC) CM resin; (DD) Resin after amine reaction; (EE) Resin after OH regeneration reaction
Abstract:
PURPOSE: A method for removing metal-containing catalyst is provided to effectively remove catalyst metals which are obligatorily added into the polymerization and hydrogenation process of cyclic olefinic polymers, thereby providing high purity cyclic olefinic polymers with high yield. CONSTITUTION: A method for removing a metal-containing catalyst, removing metal-containing catalyst residues from cyclic olefinic polymers which are obtained through the polymerization and hydrogenation process of random cyclic olefinic monomers, includes a step of treating the solution of the cyclic olefinic polymers containing a tungsten-containing catalyst residue, an aluminum-containing catalyst residue, and a ruthenium-containing residue by a functionalized ion exchange resin which is macroporous and is modified by one or more functional groups selected from a primary amine, a secondary amine, and a hydroxyl group.
Abstract:
본 발명은 트리 알콕시 실록산 단량체를 통해 폴리실세스퀴옥산을 중합하는 방법으로서, 트리 알콕시 실록산 단량체, 유기 용매, 물 및 촉매를 포함하는 함수 유기용액을 제조하는 단계; 및 상기 함수 유기용액 중 유기 용매의 양 또는 함수량을 조절하는 단계를 포함하여 바구니형 폴리실세스퀴옥산 또는 사다리형 폴리실세스퀴옥산을 선택적으로 제조하는 것을 특징으로 하는 방법 및 이에 의해 제조된 바구니형 폴리실세스퀴옥산 또는 사다리형 폴리실세스퀴옥산에 관한 것이다.
Abstract:
PURPOSE: A plastic-organic/inorganic hybrid adhesive film is provided to remarkably improve binding strength between a plastic material and an organic/inorganic hybrid film, thereby using for insulative coating, a film for hard coating, various display materials, etc. CONSTITUTION: A plastic-organic/inorganic hybrid adhesive film comprises a plastic material, and an organic/inorganic hybrid film adhered to the surface of the surface of the plastic material through a chemical bond. The chemical bond is generated by a ring-opening reaction between a reactive amine functional group, which is chemically combined to the surface of the plastic material, and an epoxy silane coupling agent in the organic/inorganic hybrid film.
Abstract:
PURPOSE: A polymer composite actuator is provided to improve the distribution of fillers by using elastic elements including maleic anhydride, acryl, urethane, carboxyl group and amine groups. CONSTITUTION: An elastic dielectric layer(3a) includes an elastomer and polymer composite. The elastomer includes a polar group. The polymer composite includes one or more conductive or high dielectric fillers. A top electrode is attached to one surface of the elastic dielectric layer. A bottom electrode(3b) is attached to the surface of the elastic dielectric layer opposite to the surface with the top electrode.
Abstract:
PURPOSE: A light-emitting material is provided to ensure excellent heat resistance and mechanical properties and high light emitting efficiency and to eliminate the disadvantages of a POSS structure with weak thin film properties. CONSTITUTION: A light-emitting material comprises polysilsesquioxane having a ladder structure where a photoactive group is bonded to a siloxane main chain. The polysilsesquioxane is represented by chemical formula 1. In chemical formula 1, R is a functional group having optical activity by a double or triple bond within a phenyl-based monocyclic group, a heterocyclic group thereof or cyclic group, or a derivative thereof, wherein the phenyl-based monocyclic group includes a substituted or unsubstituted phenylene, pyrene, rubrene, coumarin, oxazine, carbazole, thiophene, iridium, porphyrin, and azo-based dye functional groups; and n is 1-100,000.
Abstract:
PURPOSE: A transparent and flexible electrode and a polymer actuator using the same are provided to prevent a problem that a cracking is created in an electrode material when voltage is applied to apply the flexible actuator to many field of applications in which transparency is necessary. CONSTITUTION: A flexible a first transparent electrode layer(2a) and a second transparent electrode(2b) is laminated on at least one transparent elasticity dielectric layer. The first transparent electrode layer and the second transparent electrode include a binder. The binder includes PEDOT(Poly ethylene-dioxy-thiophene). Power supply connectors(11a,11b) are connected to the first transparent electrode layer and the second transparent electrode, respectively. Transmittance about visible ray is over 50%.
Abstract:
PURPOSE: A method for functionalizing polyalkylthiophene terminal is provided to produce highly functional polyalkylthiophene of semiconductor layer for organic thin film transistor. CONSTITUTION: A method for functionalizing polyalkylthiophene terminal comprises: a step of polymerizing 2-bromot-3-funtional thiopene under the presence of catalyst containing LDA(lithium diisopropylamide), zinc chloride(ZnCl2) and (1,3-bis(diphenylphosphino)propane)dichlronikel(II); a step of reacting with grignard reagent of chemical formula 2(CH≡C-MgBr) to produce polyalkylthiophene having introduced alkyne group at terminal of chemical formula 3; and a step of reacting the polyalkylthiophene with azide compound of chemical formula 4(N3-R3).