CN101837251A - 一种两亲性分子对聚偏氟乙烯多孔膜表面的亲水改性方法 - Google Patents
一种两亲性分子对聚偏氟乙烯多孔膜表面的亲水改性方法 Download PDFInfo
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- CN101837251A CN101837251A CN201010140905.0A CN201010140905A CN101837251A CN 101837251 A CN101837251 A CN 101837251A CN 201010140905 A CN201010140905 A CN 201010140905A CN 101837251 A CN101837251 A CN 101837251A
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- Prior art keywords
- polyvinylidene fluoride
- porous film
- fluoride porous
- hydrophilic
- surperficial
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- 239000012528 membrane Substances 0.000 title claims abstract description 55
- 229920002981 polyvinylidene fluoride Polymers 0.000 title claims abstract description 50
- 239000002033 PVDF binder Substances 0.000 title claims abstract description 49
- 238000002715 modification method Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 42
- 239000004094 surface-active agent Substances 0.000 claims abstract description 30
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000008961 swelling Effects 0.000 claims abstract description 25
- 230000004048 modification Effects 0.000 claims abstract description 22
- 238000012986 modification Methods 0.000 claims abstract description 22
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- 239000003960 organic solvent Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 241000047703 Nonion Species 0.000 claims description 28
- 229910052799 carbon Inorganic materials 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 17
- 238000001291 vacuum drying Methods 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 239000003607 modifier Substances 0.000 abstract description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 abstract 2
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000004907 flux Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- -1 polypropylene Polymers 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 239000004743 Polypropylene Substances 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000002522 swelling effect Effects 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229940038384 octadecane Drugs 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
实施例 | 溶胀剂 | 溶胀温度(℃) | 溶胀时间(h) | 包埋温度(℃) | 接触角a(°) | 水通量b(L/m2·h) |
实施例1 | 环己酮 | 50 | 5 | 50 | 47.6 | 621 |
实施例2 | 环己酮 | 50 | 6 | 50 | 35.4 | 654 |
实施例3 | 环己酮 | 50 | 6 | 30 | 39.2 | 643 |
实施例4 | 环己酮 | 60 | 5 | 50 | 73.6 | 326 |
实施例5 | 四氢萘 | 50 | 5 | 50 | 63.0 | 423 |
实施例6 | 四氢萘 | 60 | 5 | 50 | 37.9 | 615 |
对比例1 | 环己酮 | 50 | 5 | / | 96.5 | 0 |
对比例2 | 环己酮 | / | / | 50 | 89.1 | 0 |
原始膜 | / | / | / | / | 91.9 | 0 |
Claims (4)
Priority Applications (1)
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CN2010101409050A CN101837251B (zh) | 2010-04-07 | 2010-04-07 | 一种两亲性分子对聚偏氟乙烯多孔膜表面的亲水改性方法 |
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CN2010101409050A CN101837251B (zh) | 2010-04-07 | 2010-04-07 | 一种两亲性分子对聚偏氟乙烯多孔膜表面的亲水改性方法 |
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CN101837251A true CN101837251A (zh) | 2010-09-22 |
CN101837251B CN101837251B (zh) | 2012-05-23 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102382323A (zh) * | 2011-08-11 | 2012-03-21 | 南京工业大学 | 一种提高聚偏氟乙烯耐碱腐蚀性的方法 |
CN106474941A (zh) * | 2016-11-22 | 2017-03-08 | 重庆大学 | 一种聚偏氟乙烯中空纤维膜表面疏水改性的方法 |
CN108187508A (zh) * | 2018-01-15 | 2018-06-22 | 武汉市迪浩鑫环保科技有限公司 | 一种微孔膜干化处理液及微孔膜处理方法 |
CN108211814A (zh) * | 2018-03-23 | 2018-06-29 | 北京工业大学 | 一种聚四氟乙烯多孔膜亲水改性方法 |
CN108854593A (zh) * | 2018-06-13 | 2018-11-23 | 山西大学 | 一种高通量与高截留率的双优型pvdf平板膜制备方法 |
CN110760994A (zh) * | 2018-07-25 | 2020-02-07 | 中国科学院宁波材料技术与工程研究所 | 一种三维交联的超浸润纳米纤维膜及其制备方法 |
CN112717708A (zh) * | 2020-12-09 | 2021-04-30 | 江西爱科道环境科技发展有限公司 | 一种亲水性聚丙烯中空纤维微孔膜的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020018512A1 (en) * | 1998-07-01 | 2002-02-14 | 3M Innovative Properties Company | Thin barrier film for containment of halogenated aromatic compounds in a chemical thermometer |
JP2004014436A (ja) * | 2002-06-11 | 2004-01-15 | Japan Atom Energy Res Inst | フッ素系高分子イオン交換膜からなる燃料電池用電解質膜 |
CN101264428A (zh) * | 2008-04-25 | 2008-09-17 | 浙江大学 | 两亲性共聚物改性聚偏氟乙烯超滤膜的方法 |
CN101357304A (zh) * | 2008-09-24 | 2009-02-04 | 哈尔滨工业大学 | 聚偏氟乙烯膜的表面改性方法 |
-
2010
- 2010-04-07 CN CN2010101409050A patent/CN101837251B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020018512A1 (en) * | 1998-07-01 | 2002-02-14 | 3M Innovative Properties Company | Thin barrier film for containment of halogenated aromatic compounds in a chemical thermometer |
JP2004014436A (ja) * | 2002-06-11 | 2004-01-15 | Japan Atom Energy Res Inst | フッ素系高分子イオン交換膜からなる燃料電池用電解質膜 |
CN101264428A (zh) * | 2008-04-25 | 2008-09-17 | 浙江大学 | 两亲性共聚物改性聚偏氟乙烯超滤膜的方法 |
CN101357304A (zh) * | 2008-09-24 | 2009-02-04 | 哈尔滨工业大学 | 聚偏氟乙烯膜的表面改性方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102382323A (zh) * | 2011-08-11 | 2012-03-21 | 南京工业大学 | 一种提高聚偏氟乙烯耐碱腐蚀性的方法 |
CN106474941A (zh) * | 2016-11-22 | 2017-03-08 | 重庆大学 | 一种聚偏氟乙烯中空纤维膜表面疏水改性的方法 |
CN108187508A (zh) * | 2018-01-15 | 2018-06-22 | 武汉市迪浩鑫环保科技有限公司 | 一种微孔膜干化处理液及微孔膜处理方法 |
CN108211814A (zh) * | 2018-03-23 | 2018-06-29 | 北京工业大学 | 一种聚四氟乙烯多孔膜亲水改性方法 |
CN108211814B (zh) * | 2018-03-23 | 2020-11-03 | 北京工业大学 | 一种聚四氟乙烯多孔膜亲水改性方法 |
CN108854593A (zh) * | 2018-06-13 | 2018-11-23 | 山西大学 | 一种高通量与高截留率的双优型pvdf平板膜制备方法 |
CN110760994A (zh) * | 2018-07-25 | 2020-02-07 | 中国科学院宁波材料技术与工程研究所 | 一种三维交联的超浸润纳米纤维膜及其制备方法 |
CN110760994B (zh) * | 2018-07-25 | 2022-02-01 | 中国科学院宁波材料技术与工程研究所 | 一种三维交联的超浸润纳米纤维膜及其制备方法 |
CN112717708A (zh) * | 2020-12-09 | 2021-04-30 | 江西爱科道环境科技发展有限公司 | 一种亲水性聚丙烯中空纤维微孔膜的制备方法 |
CN112717708B (zh) * | 2020-12-09 | 2023-01-13 | 江西爱科道环境科技发展有限公司 | 一种亲水性聚丙烯中空纤维微孔膜的制备方法 |
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Application publication date: 20100922 Assignee: JIANGSU VEIK TECHNOLOGY Co.,Ltd. Assignor: Nanjing Tech University Contract record no.: 2014320000617 Denomination of invention: Method for hydrophilic modification on polyvinylidene fluoride porous film surface by amphipathic molecule Granted publication date: 20120523 License type: Exclusive License Record date: 20140725 |
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