KR20120069332A - 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법 - Google Patents
에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법 Download PDFInfo
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- KR20120069332A KR20120069332A KR1020100130840A KR20100130840A KR20120069332A KR 20120069332 A KR20120069332 A KR 20120069332A KR 1020100130840 A KR1020100130840 A KR 1020100130840A KR 20100130840 A KR20100130840 A KR 20100130840A KR 20120069332 A KR20120069332 A KR 20120069332A
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- titanium dioxide
- erbium
- precursor
- nanofibers
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- 239000002121 nanofiber Substances 0.000 title claims abstract description 67
- 229910052691 Erbium Inorganic materials 0.000 title claims abstract description 36
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 120
- 239000002243 precursor Substances 0.000 claims abstract description 64
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 58
- YXOBESDLFKFQGW-UHFFFAOYSA-N erbium(3+) oxygen(2-) titanium(4+) Chemical compound [O-2].[O-2].[Ti+4].[Er+3] YXOBESDLFKFQGW-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000001523 electrospinning Methods 0.000 claims abstract description 31
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 22
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 22
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 15
- HDGGAKOVUDZYES-UHFFFAOYSA-K erbium(iii) chloride Chemical compound Cl[Er](Cl)Cl HDGGAKOVUDZYES-UHFFFAOYSA-K 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 3
- OCLXJTCGWSSVOE-UHFFFAOYSA-N ethanol etoh Chemical compound CCO.CCO OCLXJTCGWSSVOE-UHFFFAOYSA-N 0.000 claims description 3
- -1 titanium tetrabutoxide (Acetic Acid) Chemical compound 0.000 claims description 3
- SMYMJHWAQXWPDB-UHFFFAOYSA-N (2,4,5-trichlorophenoxy)acetic acid Chemical compound OC(=O)COC1=CC(Cl)=C(Cl)C=C1Cl SMYMJHWAQXWPDB-UHFFFAOYSA-N 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 239000011324 bead Substances 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 description 12
- 238000002441 X-ray diffraction Methods 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011858 nanopowder Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- YBCVMFKXIKNREZ-UHFFFAOYSA-N acoh acetic acid Chemical compound CC(O)=O.CC(O)=O YBCVMFKXIKNREZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
이에 의해,이산화티타늄과 폴리비닐피로리돈의 혼합물에 에르븀을 첨하여 에르븀-이산화티타늄 전구체(Precursor)를 합성하고, 이를 최적의 조건에서 전기방사시킴으로써, 연속적이며 부드럽고 비드(Bead)가 없는, 좋은 품질의 나노섬유를 얻을 수 있다.
Description
도 1 은 본 발명에 따른 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법의 순서도이며,
도 2 는 에르븀의 용량변화에 따른 이산화티타늄 나노섬유의 점성과 표면장력의 변화를 도시한 그래프이며,
도 3 은 본 발명에 따른 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법으로 제조된 나노섬유의 XRD(X-ray Diffraction) 분석 결과에 대한 그래프이다.
rpm | 0.2 mL/h | 0.3 mL/h | 0.4 mL/h | 0.5 mL/h |
100 | X | X | X | X |
200 | X | X | △ | △ |
300 | O | O | △ | △ |
400 | O | O | △ | X |
500 | △ | X | △ | X |
Claims (9)
- 이산화티타늄에 폴리비닐피로리돈(Polyvinylpyrrolidone)을 혼합시켜 이산화티타늄 졸을 합성하는 단계와;
상기 합성된 이산화티타늄 졸에 에르븀(Erbium; Er)을 첨가하여 에르븀-이산화티타늄 전구체(Precursor)를 제조하는 단계와;
상기 제조된 에르븀-이산화티타늄 전구체를 전기방사(Electrospinning)시켜 나노섬유를 제조하는 단계;로 이루어지는 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
- 제 1 항에 있어서,
상기 이산화티타늄에 폴리비닐피로리돈(Polyvinylpyrrolidone)를 혼합시켜 이산화티타늄 졸을 합성하는 단계는, 아세트산(Acetic Acid)이 첨가된 티타늄테트라뷰톡사이드(Titanium Tetrabutoxide)와 에탄올(Ethanol)이 첨가된 폴리비닐피로리돈(Polyvinylpyrrolidone)을 혼합시켜 이산화티타늄 졸을 합성시키는 단계인 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
- 제 2 항에 있어서,
상기 합성된 이산화티타늄 졸에 에르븀을 첨가하여 에르븀-이산화티타늄 전구체(Precursor)를 제조하는 단계에서 상기 에르븀은 에르븀염화물(Erbium Chloride, ErCl3)으로 마련되며, 상기 에르븀-이산화티타늄 전구체(Precursor)는 0.5mol% 에르븀-이산화티타늄(Er-TiO2) 졸로 마련되는 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
- 제 3 항에 있어서,
상기 제조된 에르븀-이산화티타늄 전구체를 전기방사(Electrospinning)시켜 나노섬유를 제조하는 단계는, 상기 에르븀-이산화티타늄 전구체를 소정의 유동률(Flow Rate)을 구비하도록 가압시켜 방사구를 통해 배출시킨 후, 배출된 에르븀-이산화티타늄 전구체가 전극으로부터 전압을 인가받아 상기 방사구로부터 컬렉터(Collector)까지 전기장에 의해 연신되는 단계인 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
- 제 4 항에 있어서,
상기 제조된 에르븀-이산화티타늄 전구체를 전기방사(Electrospinning)시켜 나노섬유를 제조하는 단계에서, 상기 유동률(Flow Rate)은 0.2~0.3(mL/h)의 범위로 마련되는 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
- 제 4 항에 있어서,
상기 제조된 에르븀-이산화티타늄 전구체를 전기방사(Electrospinning)시켜 나노섬유를 제조하는 단계에서, 상기 컬렉터의 분당회전수(Revolution Per Minute; RPM)는 300~400 으로 마련되는 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
- 제 4 항에 있어서,
상기 제조된 에르븀-이산화티타늄 전구체를 전기방사(Electrospinning)시켜 나노섬유를 제조하는 단계에서, 상기 에르븀-이산화티타늄 전구체에 인가되는 전압은 8~12(kV) 으로 마련되는 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
- 제 4 항에 있어서,
상기 제조된 에르븀-이산화티타늄 전구체를 전기방사(Electrospinning)시켜 나노섬유를 제조하는 단계에서, 전극 간 거리는 10~14(cm) 인 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
- 제 4 항에 있어서,
상기 제조된 에르븀-이산화티타늄 전구체를 전기방사(Electrospinning)시켜 나노섬유를 제조하는 단계는 열처리 단계를 추가적으로 포함하며, 상기 열처리 단계는 450~550(℃) 상에서 120~240(min) 동안 이루어지는 것을 특징으로 하는 에르븀이 첨가된 이산화티타늄 나노섬유의 제조방법.
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