KR20070071832A - 은나노입자를 포함하는 친수성 비대칭 한외여과막 및정밀여과막의 제조방법 - Google Patents
은나노입자를 포함하는 친수성 비대칭 한외여과막 및정밀여과막의 제조방법 Download PDFInfo
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- KR20070071832A KR20070071832A KR1020050135615A KR20050135615A KR20070071832A KR 20070071832 A KR20070071832 A KR 20070071832A KR 1020050135615 A KR1020050135615 A KR 1020050135615A KR 20050135615 A KR20050135615 A KR 20050135615A KR 20070071832 A KR20070071832 A KR 20070071832A
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- Prior art keywords
- membrane
- polymer solution
- polymer
- silver nitrate
- silver nanoparticles
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- 239000012528 membrane Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 20
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000001914 filtration Methods 0.000 title claims description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 39
- 238000001471 micro-filtration Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 42
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 12
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- 238000000614 phase inversion technique Methods 0.000 claims description 6
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- 229920002492 poly(sulfone) Polymers 0.000 claims description 4
- 229920006393 polyether sulfone Polymers 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 238000005374 membrane filtration Methods 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 230000000813 microbial effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009285 membrane fouling Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
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- 230000000052 comparative effect Effects 0.000 description 14
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 229920001477 hydrophilic polymer Polymers 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- -1 silver ions Chemical class 0.000 description 5
- 229910021642 ultra pure water Inorganic materials 0.000 description 5
- 239000012498 ultrapure water Substances 0.000 description 5
- 230000000845 anti-microbial effect Effects 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
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- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
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- 229920001223 polyethylene glycol Polymers 0.000 description 3
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- 229910052709 silver Inorganic materials 0.000 description 3
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- 150000005846 sugar alcohols Polymers 0.000 description 3
- 229920003169 water-soluble polymer Polymers 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
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- 244000005700 microbiome Species 0.000 description 2
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- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000011156 evaluation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
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Abstract
Description
Claims (5)
- 고분자를 용매에 용해시켜 고분자 용액을 제조하는 단계;및상기 고분자 용액에 질산은을 첨가한 후 이를 상전환법에 의하여 평막 형태로 제조하는 단계; 를 포함하는 것을 특징으로 하는 비대칭 한외 여과막 및 정밀 여과막의 제조방법.
- 제 1 항에 있어서, 상기 고분자용액을 구성하는 고분자는 폴리술폰, 폴리에테르술폰, 폴리비닐리덴플루오라이드, 폴리아크릴로니트릴 및 폴리이미드로 이루어진 군에서 선택된 것이고, 그 함량은 전체 고분자 용액 내에서 10~25중량%범위 내인 것을 특징으로 하는 비대칭 한외 여과막 및 정밀 여과막의 제조방법.
- 제 1항 또는 제 2항에 있어서, 상기 고분자 용액은 여과막의 기공 크기를 조절하기 위하여 기공조절제를 추가로 포함하는 것을 특징으로 하는 비대칭 한외 여과막 및 정밀 여과막의 제조방법.
- 제 1항에 있어서, 상기 상전환법에 의하여 평막을 제조하는 단계는상기 고분자 용액에 질산은을 첨가하는 단계;상기 질산은이 첨가된 고분자 용액을 음(-)으로 하전시켜 질산은을 이온화시키면서 부직포에 캐스팅하는 단계;상기 캐스팅된 고분자용액을 양(+)으로 하전된 롤을 통과시키면서 은나노입자를 평막 표면에 함침, 고착시키는 단계;및상기 은나노입자가 함침,고착된 캐스팅된 고분자 용액을 비용매에 함침시켜 여과막을 형성하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 비대칭 한외 여과막 및 정밀 여과막의 제조방법.
- 제 1 항 또는 제 4항에 있어서, 상기 질산은은 고분자에 대하여 0.01~5 중량% 첨가하는 것을 특징으로 하는 비대칭 한외 여과막 및 정밀 여과막의 제조방법.
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Cited By (4)
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WO2012036550A1 (en) | 2010-09-13 | 2012-03-22 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Antimicrobial membrane containing silver nanoparticles |
KR20150137408A (ko) * | 2014-05-29 | 2015-12-09 | 엘지전자 주식회사 | 항균성 및 친수성을 갖춘 분리막 및 그 제조 방법 |
CN114225709A (zh) * | 2021-12-14 | 2022-03-25 | 浙江工业大学 | 固定原位生长银纳米粒子的超双亲油水分离膜的制备方法 |
CN115364701A (zh) * | 2022-08-22 | 2022-11-22 | 哈尔滨工业大学 | 一种原位合成纳米银pvdf抗菌超滤膜的制备方法 |
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KR100536643B1 (ko) * | 2003-04-15 | 2005-12-14 | 한국화학연구원 | 티타니아 나노입자의 블렌딩에 의한 내화학성, 내미생물성및 내오염성 비대칭 한외여과 및 정밀여과막의 제조방법 |
KR20050009129A (ko) * | 2003-07-15 | 2005-01-24 | 주식회사 대정크린 | 나노 은으로 처리된 필터여재 |
KR100702848B1 (ko) * | 2004-03-10 | 2007-04-03 | 이정훈 | 은나노입자 및 고분자수지의 복합재료의 제조방법 |
KR20050091841A (ko) * | 2004-03-11 | 2005-09-15 | 크린에어테크놀로지 주식회사 | 기능성 입자 함유 여재의 제조방법과 이에 의하여제조되는 여재 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012036550A1 (en) | 2010-09-13 | 2012-03-22 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Antimicrobial membrane containing silver nanoparticles |
KR20150137408A (ko) * | 2014-05-29 | 2015-12-09 | 엘지전자 주식회사 | 항균성 및 친수성을 갖춘 분리막 및 그 제조 방법 |
CN114225709A (zh) * | 2021-12-14 | 2022-03-25 | 浙江工业大学 | 固定原位生长银纳米粒子的超双亲油水分离膜的制备方法 |
CN114225709B (zh) * | 2021-12-14 | 2024-03-26 | 浙江工业大学 | 固定原位生长银纳米粒子的超双亲油水分离膜的制备方法 |
CN115364701A (zh) * | 2022-08-22 | 2022-11-22 | 哈尔滨工业大学 | 一种原位合成纳米银pvdf抗菌超滤膜的制备方法 |
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