Abstract:
PURPOSE: A manufacturing method of metal oxide nanofiber having hollow structure is provided to have stable hollow structure by plasticizing and coating metal precursor solution which has glycol solvent to the non-aqueous polymer nanofiber. CONSTITUTION: The manufacturing method of metal oxide nanofiber having hollow structure comprises the following steps. a) Non-aqueous polymer nanofiber is prepared through the electric radiation process. b) The precursor solution containing metal ion is prepared by melting the precursor containing metal ion in the Glycol. c) The non-aqueous polymer nanofiber is dipped in the precursor solution containing metal ion to be coated. d) Non-aqueous polymer is removed by firing the non-aqueous polymer nanofiber coated with the precursor solution which contains the metal ion. [Reference numerals] (a) X 5,000; (b) X 100,000
Abstract:
PURPOSE: A manufacturing method of a nanostructure precursor is provided to manufacture a nanostructure with attached copper phthalocyanine and a nanostructure with attached copper oxide particle by a using a copper phthalocyanine precursor through a simple process of heating and sintering. CONSTITUTION: A manufacturing method of a nanostructure precursor comprises a step of mixing at least one of an ethylene glycol solvent and metal, metal oxide, and semiconductor nanostructure in a synthesis reactor; a step of injecting 4-nitrophthalonitrile, copper(II) acetate monohydrate, and ammonium molybdate in order, into the synthesis reactor; a step stirring and heating the solution to form a solution containing a nanostructure with attached phthalocyanine; a step of centrifugating, washing, and drying the solution to form a nanostructure powder with attached cooper phthalocyanine; a step of sintering the nanostructure powder with attached copper phthalocyanine, to obtain a nanostructure powder with attached copper oxide particle. The aspect ratio of the nanostructure is 1 or more. The heating is conducted at 120-180 °C for 50-80 hours. The sintering is conducted at 200-800 °C. [Reference numerals] (AA) Start; (BB) End; (S100) Inject at least one nanostructure of an ethylene glycol solvent, metal, metal oxide, and semiconductor into a synthesis reactor and stir; (S200) Inject 4-nitrophthalonitrile, copper(II) acetate monohydrate, and ammonium molybdate in order into the synthesis reactor and stir; (S300) Form a solution containing a nanostructure with attached copper phthalocyanine by heating the stirred solution; (S400) Form nanostructure powder with attached copper phthalocyanine by centrifuging, washing, and drying the formed solution
Abstract:
본 발명은 기능성 폴리우레탄 필름 및 이의 제조방법에 관한 것으로, 보다 상세하게는 폴리우레탄 수지 100 중량부에 대하여, 가교제 0.1 내지 5.0 중량부, 유기용매 40 내지 80 중량부, 금속 프탈로시아닌 유도체 0.01 내지 10.0 중량부 및 알루미늄이 도핑된 산화아연 나노로드 0.5 내지 5.0 중량부를 포함하는 폴리우레탄 수지 혼합용액을 기재에 캐스트하여 얻어진 것을 특징으로 하는 폴리우레탄 필름에 관한 것이다. 금속 프탈로시아닌 유도체와 알루미늄이 도핑된 산화아연 나노로드를 함유하는 본 발명에 따른 폴리우레탄 필름은 통상의 폴리우레탄보다 뛰어난 소취성, 자외선 차단성, 대전방지성 및 피부자극 완화 효과를 제공할 수 있다.
Abstract:
PURPOSE: A polycrystalline titanium dioxide-based nano-rod and a method for manufacturing the same are provided to simply ensure high efficient photocatalytic activity based on amorphous or low crystalline titanium dioxide photocatalytic particles through an electro-spinning process. CONSTITUTION: A method for manufacturing polycrystalline titanium dioxide-based nano-rod includes the following: Titanium dioxide nano-particles are mixed with a polymer solution. The mixed solution is undergone through an electro-spinning process. A resultant is sintered under the oxygen atmosphere about 450 degrees Celsius. The titanium dioxide nano-particles include amorphous, anatase, rutile, and at least one titanium dioxide selected from the same.
Abstract:
산화아연 나노막대 제조 방법이 개시된다. 산화아연 나노막대 제조 방법은 아연(Zn) 전구체, 도핑 금속 전구체, 에멀젼화제 및 유기용매가 혼합된 제1 에멀젼 용액을 준비하는 단계; 상기 제1 에멀젼 용액에 환원 물질을 투입하여 제2 에멀젼 용액을 준비하는 단계; 및 상기 제2 에멀젼 용액을 20 내지 300℃의 온도로 가열하는 단계를 포함한다.