CN100542659C - 亲水性膜 - Google Patents
亲水性膜 Download PDFInfo
- Publication number
- CN100542659C CN100542659C CN 200580024890 CN200580024890A CN100542659C CN 100542659 C CN100542659 C CN 100542659C CN 200580024890 CN200580024890 CN 200580024890 CN 200580024890 A CN200580024890 A CN 200580024890A CN 100542659 C CN100542659 C CN 100542659C
- Authority
- CN
- China
- Prior art keywords
- polymer
- film
- alkali
- halar
- micro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920000642 polymer Polymers 0.000 claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 60
- 239000003513 alkali Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 229920013730 reactive polymer Polymers 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- -1 persulfate anion Chemical class 0.000 claims abstract description 8
- 230000003213 activating effect Effects 0.000 claims abstract description 3
- 125000005843 halogen group Chemical group 0.000 claims abstract 2
- 239000012528 membrane Substances 0.000 claims description 51
- 229920001780 ECTFE Polymers 0.000 claims description 48
- 238000001471 micro-filtration Methods 0.000 claims description 32
- 238000000108 ultra-filtration Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 16
- 229920001897 terpolymer Polymers 0.000 claims description 16
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical compound FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 12
- 229920001577 copolymer Polymers 0.000 claims description 12
- 229920001519 homopolymer Polymers 0.000 claims description 11
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 230000026030 halogenation Effects 0.000 claims description 8
- 238000005658 halogenation reaction Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical group [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical class [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 6
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 6
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 5
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 5
- 235000012489 doughnuts Nutrition 0.000 claims description 5
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 230000003628 erosive effect Effects 0.000 claims description 4
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- CHJAYYWUZLWNSQ-UHFFFAOYSA-N 1-chloro-1,2,2-trifluoroethene;ethene Chemical group C=C.FC(F)=C(F)Cl CHJAYYWUZLWNSQ-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000012190 activator Substances 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- RPDAUEIUDPHABB-UHFFFAOYSA-N potassium ethoxide Chemical compound [K+].CC[O-] RPDAUEIUDPHABB-UHFFFAOYSA-N 0.000 claims description 2
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 235000019394 potassium persulphate Nutrition 0.000 claims description 2
- AWDMDDKZURRKFG-UHFFFAOYSA-N potassium;propan-1-olate Chemical compound [K+].CCC[O-] AWDMDDKZURRKFG-UHFFFAOYSA-N 0.000 claims description 2
- 102000004169 proteins and genes Human genes 0.000 claims description 2
- 108090000623 proteins and genes Proteins 0.000 claims description 2
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 2
- RCOSUMRTSQULBK-UHFFFAOYSA-N sodium;propan-1-olate Chemical compound [Na+].CCC[O-] RCOSUMRTSQULBK-UHFFFAOYSA-N 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 32
- 239000000243 solution Substances 0.000 description 24
- 239000003518 caustics Substances 0.000 description 23
- 239000000835 fiber Substances 0.000 description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 20
- 230000035699 permeability Effects 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 14
- 238000012545 processing Methods 0.000 description 13
- 238000009736 wetting Methods 0.000 description 11
- 239000002904 solvent Substances 0.000 description 10
- 230000010148 water-pollination Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 229910052736 halogen Inorganic materials 0.000 description 7
- 150000002367 halogens Chemical class 0.000 description 7
- 230000002209 hydrophobic effect Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229920006254 polymer film Polymers 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000282836 Camelus dromedarius Species 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- FYUWIEKAVLOHSE-UHFFFAOYSA-N ethenyl acetate;1-ethenylpyrrolidin-2-one Chemical compound CC(=O)OC=C.C=CN1CCCC1=O FYUWIEKAVLOHSE-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000000640 hydroxylating effect Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012028 Fenton's reagent Substances 0.000 description 1
- 206010023126 Jaundice Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
- 230000000743 anti-peroxide Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 230000035568 catharsis Effects 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- WSTYDEJXBVROKI-UHFFFAOYSA-J tetrasodium sulfonatooxy sulfate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O.[O-]S(=O)(=O)OOS([O-])(=O)=O WSTYDEJXBVROKI-UHFFFAOYSA-J 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
Description
对照#1 | 对照#2 | 对照#3 | a | b | c | d | |
OD | 650 | 650 | 650 | 650 | 650 | 650 | 650 |
ID | 310 | 310 | 310 | 310 | 310 | 310 | 310 |
NaOH% | 20 | 20 | 20 | 20 | 20 | ||
加热炉温度(℃) | 90 | 90 | 90 | 90 | 90 | ||
苛性碱处理时间(hr) | 18 | 18 | 18 | 18 | 18 | ||
过硫酸盐(%) | 5 | 5 | 5 | 5 | 5 | 5 | |
H<sub>2</sub>SO<sub>4</sub>(%) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
PVP(%) | 0.5 | 1 | 0.5 | 0.35 | 0.1 | ||
PVP-VA(%) | 0.5 | 1 | 0.5 | 0.35 | 0.1 | ||
改性剂总量(%) | 1 | 0 | 2 | 1 | 0.7 | 0.2 | |
过硫酸盐处理时间(hr) | 18 | 18 | 18 | 18 | 18 | 18 | |
加热炉温度(℃) | 90 | 90 | 90 | 90 | 90 | 90 | |
炉中加热时间(hr) | 2 | 2 | 2 | 2 | 2 | 2 | |
漂洗时间(hr) | 4 | 4 | 4 | 4 | 4 | 4 | |
亲水性(Y/N)? | N | N | N | Y | Y | Y | Y |
渗透性(Imh/bar) | 1487 | 0 | 0 | 517 | 1565 | 1473 | 1932 |
Claims (31)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004903680A AU2004903680A0 (en) | 2004-07-05 | Modification of halar membranes | |
AU2004903680 | 2004-07-05 | ||
AU2005901689 | 2005-04-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101072628A CN101072628A (zh) | 2007-11-14 |
CN100542659C true CN100542659C (zh) | 2009-09-23 |
Family
ID=38899437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200580024890 Expired - Fee Related CN100542659C (zh) | 2004-07-05 | 2005-07-04 | 亲水性膜 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100542659C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011526830A (ja) * | 2008-06-30 | 2011-10-20 | スリーエム イノベイティブ プロパティズ カンパニー | 再湿潤可能な非対称な膜の形成方法 |
CN103435724A (zh) * | 2013-09-09 | 2013-12-11 | 湖北工业大学 | 微波强化卤代烯烃类聚合物的碱处理改性方法 |
CN104292490A (zh) * | 2014-09-29 | 2015-01-21 | 常州回天新材料有限公司 | Pdvf薄膜的改性方法 |
JP7128913B2 (ja) * | 2018-06-27 | 2022-08-31 | ビーエル テクノロジーズ、インコーポレイテッド | アルカリ安定性のナノ濾過複合膜及びそれらの製造方法 |
CN111484639B (zh) * | 2020-05-20 | 2021-08-17 | 四川大学 | 一种耐碱pvdf材料的改性方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5871823A (en) * | 1996-06-19 | 1999-02-16 | Huels Aktiengesellschaft | Hydrophilic coating of surfaces of polymeric substrates |
-
2005
- 2005-07-04 CN CN 200580024890 patent/CN100542659C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5871823A (en) * | 1996-06-19 | 1999-02-16 | Huels Aktiengesellschaft | Hydrophilic coating of surfaces of polymeric substrates |
Also Published As
Publication number | Publication date |
---|---|
CN101072628A (zh) | 2007-11-14 |
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