Abstract:
PURPOSE: A method for fabricating composite fiber is provided to ensure antibacterial activity, UV protection, and deordorization. CONSTITUTION: A method for fabricating composite fiber comprises: a step of forming a resin composition having 0.5-20 weight% of titanium dioxide(TiO_2) nanopowder and 80-99.5 weight% polymer resin; a step of forming a sheath using the resin composition and forming a core using the polymer resin composition; and a step of dipping composite fiber in a metal precursor solution for photodeposition.
Abstract:
본 발명은 아나타제 결정상을 갖는 이산화티탄이 함유 된 탄소나노섬유 제조방법에 관한 것으로서, 탄소섬유전구체 재료, 이산화티탄 및 용매를 혼합하여 방사용액을 제조하는 단계, 상기 제조한 방사용액을 전기 방사하여 상기 이산화티탄이 포함된 복합나노섬유를 얻는 단계, 상기 복합나노섬유를 공기 중에서 가열시켜 안정화 시키는 산화안정화 단계, 상기 산화안정화 된 복합나노섬유를 불활성 분위기 내에서 가열하는 탄화 단계 및 상기 탄화 된 복합나노섬유를 다시 아나타제 결정상을 갖는 이산화티탄을 얻기 위해 가열하는 후 산화 단계를 포함함으로써, 휘발성 유기화합물인 아세트알데히드를 효과적으로 광분해 시킬 수 있는 기술적 장점이 있다. 탄소나노섬유, 금속산화물, 산화, 광활성
Abstract:
A method is provided to remove dyes and heavy metals contained in wastewater at the same time by using polyoxometalate as a photocatalyst and irradiating light in the visible light range onto a wastewater solution comprising the polyoxometalate. A method for simultaneous removal of dyes and heavy metals using a polyoxometalate photocatalyst is characterized in that the dyes and heavy metals are removed at the same time under the light irradiation by using the polyoxometalate photocatalyst. The polyoxometalate photocatalyst is at least one selected from the group consisting of SiW12O40^4-, PW12O40^3-, and PMo12O40^3-. The light irradiation is performed by irradiating visible lights.
Abstract translation:提供了一种通过使用多金属氧酸盐作为光催化剂并同时将可见光范围内的光照射到包含多金属氧酸盐的废水溶液中同时除去废水中所含的染料和重金属的方法。 使用多金属氧酸盐光催化剂同时去除染料和重金属的方法的特征在于通过使用多金属氧酸盐光催化剂在光照射下同时除去染料和重金属。 多金属氧酸盐光催化剂是选自SiW 12 O 40 4-,PW 12 O 40 3- 3-和PMO 12 O 40 3-的至少一种。 通过照射可见光进行光照射。
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.