CN113244780A - 一种耐结垢、抗黄化反渗透膜及其制备方法 - Google Patents
一种耐结垢、抗黄化反渗透膜及其制备方法 Download PDFInfo
- Publication number
- CN113244780A CN113244780A CN202110533257.3A CN202110533257A CN113244780A CN 113244780 A CN113244780 A CN 113244780A CN 202110533257 A CN202110533257 A CN 202110533257A CN 113244780 A CN113244780 A CN 113244780A
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- osmosis membrane
- yellowing
- initiator
- pegma
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 56
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 45
- 238000004383 yellowing Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 28
- IAXXETNIOYFMLW-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) 2-methylprop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C(=C)C)CC1C2(C)C IAXXETNIOYFMLW-UHFFFAOYSA-N 0.000 claims abstract description 14
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000000178 monomer Substances 0.000 claims abstract description 6
- BKJSEABPEJIDQT-UHFFFAOYSA-N dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]-(3-sulfopropyl)azanium;hydroxide Chemical compound [OH-].CC(=C)C(=O)OCC[N+](C)(C)CCCS(O)(=O)=O BKJSEABPEJIDQT-UHFFFAOYSA-N 0.000 claims abstract description 4
- XZXYVKWNNYKLGA-UHFFFAOYSA-N n-(2-methylpropoxy)prop-2-enamide Chemical compound CC(C)CONC(=O)C=C XZXYVKWNNYKLGA-UHFFFAOYSA-N 0.000 claims abstract description 4
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 21
- 239000003999 initiator Substances 0.000 claims description 18
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 12
- 239000012071 phase Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 9
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229940018564 m-phenylenediamine Drugs 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229920002492 poly(sulfone) Polymers 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- 239000008346 aqueous phase Substances 0.000 claims description 5
- 210000002469 basement membrane Anatomy 0.000 claims description 5
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 5
- 239000012986 chain transfer agent Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 claims description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- KFERXCSSDKZROF-UHFFFAOYSA-N CC(C(=O)O)C.C(CCCCCCCCCCC)SC(S)=S Chemical compound CC(C(=O)O)C.C(CCCCCCCCCCC)SC(S)=S KFERXCSSDKZROF-UHFFFAOYSA-N 0.000 claims 2
- 239000011248 coating agent Substances 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 abstract description 8
- 230000004907 flux Effects 0.000 abstract description 5
- 238000006116 polymerization reaction Methods 0.000 abstract description 3
- 102000004169 proteins and genes Human genes 0.000 abstract description 3
- 108090000623 proteins and genes Proteins 0.000 abstract description 3
- 210000004379 membrane Anatomy 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 239000004952 Polyamide Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- FYXKZNLBZKRYSS-UHFFFAOYSA-N benzene-1,2-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC=C1C(Cl)=O FYXKZNLBZKRYSS-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1214—Chemically bonded layers, e.g. cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/15—Use of additives
- B01D2323/218—Additive materials
- B01D2323/2182—Organic additives
- B01D2323/21839—Polymeric additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/219—Specific solvent system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/38—Graft polymerization
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/28—Degradation or stability over time
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
本发明涉及一种耐结垢、抗黄化复合反渗透膜的制备方法及应用,本发明通过对反渗透膜涂层的稳定性和黄化问题进行改性,利用活性聚合在反渗透膜表面接枝两性单体2‑(甲基丙烯酰氧基)乙基二甲基‑(3‑磺丙基)氢氧化铵(MEDSAH)、乙二醇甲基丙烯酸酯(EGMA)和抗黄化粒子异丁氧基丙烯酰胺(IBMA),形成三网络高性能PMEDSAH/PEGMA/PIBMA聚合涂层结垢,通过三体系对PA层的活性调控,PEMDSAH发挥高相容性,PEGMA提供稳定性、高亲水性和抗蛋白污染性,最后PIBMA包覆在膜表面实现抗黄化。测试结果表面,本发明制备的反渗透膜具有优异的稳定性,抗黄化性,并且通量和截留率也高于现有反渗透膜。
Description
技术领域
本发明涉及分离膜技术领域,具体涉及一种耐结垢、抗黄化反渗透膜的制备方法及应用。
背景技术
工业的发展和人口的增长使得水资源短缺问题越来越严重,促进了水净化技术的创新。作为最节能的水处理技术,反渗透(RO)可以将海水和废水净化为生活在缺水地区的数百万人的淡水。
近30年来,聚酰胺(PA)膜一直是RO膜市场的主导。从家用、工业到海水淡化系统中反渗透膜的主要问题是膜污染,在RO膜制备和使用过程中,膜面结垢发黄导致水通量下降,抗污染能力降低,膜寿命缩短,严重影响了RO膜的使用。
CN201380000815.3申请了一种将两亲性离子化合物涂覆在反渗透膜表面从而改善反渗透膜的抗污染性,虽然两亲性离子的加入提高了膜的通量和防污性能,但是涂层的稳定性和长期结垢黄化问题也是有待解决的。
发明内容
本发明为了解决反渗透膜后处理涂层的稳定性和黄化问题,利用活性聚合在反渗透膜表面接枝两性单体2-(甲基丙烯酰氧基)乙基二甲基-(3-磺丙基)氢氧化铵(MEDSAH)、乙二醇甲基丙烯酸酯(EGMA)和抗黄化粒子异丁氧基丙烯酰胺(IBMA),形成三网络高性能PMEDSAH/PEGMA/PIBMA聚合涂层结垢,通过三体系对PA层的活性调控,PEMDSAH发挥高相容性,PEGMA提供稳定性、高亲水性和抗蛋白污染性,最后PIBMA包覆在膜表面实现抗黄化。
一种耐结垢、抗黄化反渗透膜及其制备方法包括以下步骤:
(1)将EGMA加入到溶剂苯甲醚中,超声搅拌均匀后依次加入引发剂和链转移剂DMP,在25℃下密封真空搅拌反应5h,将产物沉淀到大量石油醚中过滤分离,在40℃下真空干燥24h后得到PEGMA粒子;
所述EGMA、引发剂和链转移剂(DMP)按物质的量比为:(1-3):(0.005-0.008):(0.002:0.004);
所述引发剂为物质的量比为1:1的偶氮二异丁腈(AIBN)和过氧化二苯甲酰(BPO)的混合物。
(2)将商品化聚砜支撑底膜提前浸泡于纯水中清洗,用橡胶辊沥干去除多余水分后置于水相溶液15s-60s,油相溶液15s-60s,热处理后得到初态复合反渗透膜;
所述的水相溶液组成按照质量百分比包括;PEGMA粒子(0-1%)、单体(2.5%)、三乙胺(0.2%)。
所述水相溶液中单体为对苯二胺、间苯二胺和邻苯二胺中的一种。
所述油相溶液中各原料组分按质量百分比分别为;0.08%邻苯三甲酰氯的正己烷溶液组成。
所述热处理温度为80℃,时间为10min。
(3)将2-(甲基丙烯酰氧基)乙基二甲基-(3-磺丙基)氢氧化铵(MEDSAH)和异丁氧基丙烯酰胺(IBMA)加入到四氢呋喃中混合均匀后加入引发剂AIBN,将(2)制备的初态复合反渗透膜置于上述溶液溶液中25℃下超声反应24h后得到耐结垢、抗黄化复合反渗透膜。
所述MEDSAH、IBMA和引发剂AIBN按物质的量比为:(1-4):(1-3):(0.003:0.005)。
采用本发明的技术方案具有如下的有益效果:
本发明制备的耐结垢、抗黄化复合反渗透膜解决了传统反渗透膜后处理涂层的稳定性和黄化问题。其次PMEDSAH/PEGMA/PIBMA形成三网络高性能复合涂层结垢,三体系对PA层活性调控,PEMDSAH发挥高相容性,PEG MA提供稳定性、高亲水性和抗蛋白污染性,最后PIBMA包覆在膜表面实现抗黄化。
具体实施方式
以下提供本发明一种耐结垢、抗黄化复合反渗透膜的具体实施方式。
实施例1
将EGMA加入到苯甲醚中超声搅拌均匀,加入物质的量比为1:1的引发剂AIBN和BPO,然后加入DMP,在25℃下密封真空搅拌反应5h,将产物沉淀到大量石油醚中过滤分离,在40℃下真空干燥24h后得到PEGMA粒子,其中EGMA:引发剂:DMP的物质的量比为1:0.005:0.002。
将商品化聚砜支撑底膜提前浸泡于纯水中清洗,用橡胶辊沥干去除多余水分后置于水相溶液15s,其中各组分质量百分比为0.5%的PEGMA、2.5%的间苯二胺、0.15%的三乙胺,取出后加入到0.08%邻苯三甲酰氯的正己烷油相溶液30s,80℃热处理10min后得到初态复合反渗透膜。
将MEDSAH和IBMA加入到四氢呋喃中混合均匀后加入引发剂AIBN,其中各组分的物质的量比为MEDSAH:IBMA:AIBN为1:2:0.003,将初态复合反渗透膜置于上述溶液中25℃下超声反应24h后得到耐结垢、抗黄化复合反渗透膜。
实施例2
除了将PEGMA粒子合成中EGMA:引发剂:DMP的物质的量比调整为3:0.008:0.004外,其他条件均同实施例1相同,得到耐结垢、抗黄化复合反渗透膜。
实施例3
除了将PEGMA粒子合成中EGMA:引发剂:DMP的物质的量比调整为2:0.006:0.003外,其他条件均同实施例1相同,得到耐结垢、抗黄化复合反渗透膜。
实施例4
PEGMA粒子和初态复合反渗透膜的制备过程同实施例1。
将MEDSAH和IBMA加入到四氢呋喃中混合均匀后加入引发剂AIBN,其中各组分的物质的量比为MEDSAH:IBMA:AIBN为3:2:0.004,将初态复合反渗透膜置于上述溶液中25℃下超声反应24h后得到耐结垢、抗黄化复合反渗透膜。
实施例5
PEGMA粒子和初态复合反渗透膜的制备过程同实施例1。
将MEDSAH和IBMA加入到四氢呋喃中混合均匀后加入引发剂AIBN,其中各组分的物质的量比为MEDSAH:IBMA:AIBN为4:3:0.005,将初态复合反渗透膜置于上述溶液中25℃下超声反应24h后得到耐结垢、抗黄化复合反渗透膜。
对比例1
将商品化聚砜支撑底膜提前浸泡于纯水中清洗,用橡胶辊沥干去除多余水分后置于水相溶液15s,其中各组分质量百分比为2.5%的间苯二胺、0.15%的三乙胺,取出后加入到0.08%邻苯三甲酰氯的正己烷油相溶液30s,80℃热处理10min后得到复合反渗透膜。
对比例2
将商品化聚砜支撑底膜提前浸泡于纯水中清洗,用橡胶辊沥干去除多余水分后置于水相溶液15s,其中各组分质量百分比为2.5%的间苯二胺、0.15%的三乙胺,取出后加入到0.08%邻苯三甲酰氯的正己烷油相溶液30s,80℃热处理10min后得到初态复合反渗透膜。
将MEDSAH和IBMA加入到四氢呋喃中混合均匀后加入引发剂AIBN,其中各组分的物质的量比为MEDSAH:IBMA:AIBN为1:2:0.003,将初态复合反渗透膜置于上述溶液中25℃下超声反应24h后得到复合反渗透膜。
实施例及对比例中进行膜性能测试采用的条件为pH值7~8、Nacl水溶液浓度2000ppm、压力1.55mpa、温度25℃,耐结垢程度通过接触角来测量。
表1.实施例和对比例反渗透膜的通量、脱盐率和耐结垢程度
通过表1可知:采用本发明方法制备的耐结垢、抗黄化复合反渗透膜具有较高的通量和亲水性能,耐结垢和抗黄化性能优异,PMEDSAH/PEGMA/PIBMA三网络高性能复合涂层结垢大大增强了膜的各项性能和稳定性。
上述所述仅为本发明的较优选实施例而已,应当指出,并不用于限制本发明,在本发明的构思和原则之内,所作的若干修改和润色,均包含在本发明的保护范围内。
Claims (8)
1.一种耐结垢、抗黄化复合反渗透膜的制备方法及应用,其特征在于:包括如下步骤:
(1)将乙二醇甲基丙烯酸酯(EGMA)溶于苯甲醚中,超声搅拌均匀后依次加入引发剂和链转移剂十二烷基三硫代碳酸酯-2-甲基丙酸(DMP),在25℃密封真空搅拌反应5h,将产物沉淀到大量石油醚中,过滤分离,并在40℃下真空干燥24h后得到PEGMA粒子;
(2)将商品化聚砜支撑底膜提前浸泡于纯水中清洗,用橡胶辊沥干去除多余水分后置于水相溶液15s-60s,油相溶液15s-60s,热处理后得到初态复合反渗透膜;
(3)将2-(甲基丙烯酰氧基)乙基二甲基-(3-磺丙基)氢氧化铵(MEDSAH)和异丁氧基丙烯酰胺(IBMA)加入到四氢呋喃中混合均匀后加入引发剂AIBN,将(2)制备的初态复合反渗透膜置于上述溶液溶液中25℃下超声反应24h后得到耐结垢、抗黄化复合反渗透膜。
2.根据权利要求1所述的制备方法,其特征在于:在步骤(1)所述EGMA、引发剂和链转移剂十二烷基三硫代碳酸酯-2-甲基丙酸(DMP)按物质的量比为:(1-3):(0.005-0.008):(0.002:0.004)。
3.根据权利要求1所述的制备方法,其特征在于:在步骤(1)所述引发剂为物质的量比为1:1的偶氮二异丁腈(AIBN)和过氧化二苯甲酰(BPO)的混合物。
4.根据权利要求1所述的制备方法,其特征在于:在步骤(2)所述的水相溶液组成按照质量百分比包括;PEGMA粒子(0-1%)、单体(2.5%)、三乙胺(0.2%)。
5.根据权利要求1所述的制备方法,其特征在于:在步骤(2)中所述水相溶液中单体为对苯二胺、间苯二胺和邻苯二胺中的一种。
6.根据权利要求1所述的制备方法,其特征在于:在步骤(2)中所述油相溶液中各原料组分按质量百分比分别为;0.08%邻苯三甲酰氯的正己烷溶液组成。
7.根据权利要求1所述的制备方法,其特征在于:在步骤(2)中所述热处理温度为80℃,时间为10min。
8.根据权利要求1所述的制备方法,其特征在于:在步骤(3)中所述MEDSAH、IBMA和引发剂AIBN按物质的量比为:(1-4):(1-3):(0.003:0.005)。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110533257.3A CN113244780B (zh) | 2021-05-17 | 2021-05-17 | 一种耐结垢、抗黄化复合反渗透膜的制备方法 |
PCT/CN2021/141911 WO2022105937A1 (zh) | 2021-05-17 | 2021-12-28 | 一种耐结垢、抗黄化反渗透膜的制备方法 |
US17/771,022 US20240139687A1 (en) | 2021-05-17 | 2021-12-28 | Scaling-resistant and yellowing-resistant reverse osmosis composite membrane and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110533257.3A CN113244780B (zh) | 2021-05-17 | 2021-05-17 | 一种耐结垢、抗黄化复合反渗透膜的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113244780A true CN113244780A (zh) | 2021-08-13 |
CN113244780B CN113244780B (zh) | 2022-02-08 |
Family
ID=77182226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110533257.3A Active CN113244780B (zh) | 2021-05-17 | 2021-05-17 | 一种耐结垢、抗黄化复合反渗透膜的制备方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20240139687A1 (zh) |
CN (1) | CN113244780B (zh) |
WO (1) | WO2022105937A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022105937A1 (zh) * | 2021-05-17 | 2022-05-27 | 江苏泷膜环境科技有限公司 | 一种耐结垢、抗黄化反渗透膜的制备方法 |
CN117646329A (zh) * | 2024-01-29 | 2024-03-05 | 比音勒芬服饰股份有限公司 | 一种热湿智能调控纤维及包含该纤维的面料 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116688779B (zh) * | 2023-05-06 | 2024-01-05 | 中山大学 | 一种超顺滑多机制抗污染抗结垢分离膜及其制备方法和应用 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63215786A (ja) * | 1987-03-03 | 1988-09-08 | Denki Kagaku Kogyo Kk | 水性接着剤組成物 |
US5021160A (en) * | 1990-01-09 | 1991-06-04 | Gelman Sciences, Inc. | Strongly acidic microporous membranes for cation exchange |
CN1313837A (zh) * | 1998-08-31 | 2001-09-19 | 纳尔科化学公司 | 难处理体系中污垢的抑制方法以及用于该方法的防垢剂 |
EP1163044A1 (en) * | 1999-02-25 | 2001-12-19 | Pall Corporation | Negatively charged membrane |
JP2008055328A (ja) * | 2006-08-31 | 2008-03-13 | Three M Innovative Properties Co | 湿気反応性組成物及び有機el素子 |
CN102553460A (zh) * | 2012-02-22 | 2012-07-11 | 富阳梅伊韦尔环保设备有限公司 | 一种耐污染低压反渗透膜的制备方法 |
CN103357281A (zh) * | 2013-07-02 | 2013-10-23 | 中国科学院生态环境研究中心 | 一种有效抗蛋白污染的聚偏氟乙烯微滤膜的改性方法 |
CN105169955A (zh) * | 2015-09-24 | 2015-12-23 | 威海翔宇环保科技股份有限公司 | 一种适合反渗透膜中水回用阻垢剂及其制备方法 |
CN107469649A (zh) * | 2017-09-05 | 2017-12-15 | 湖南澳维环保科技有限公司 | 一种亲水性抗污染聚酰胺复合反渗透膜及其制备方法 |
CN111558300A (zh) * | 2020-04-07 | 2020-08-21 | 天津工业大学 | 一种小分子两性离子改性表面聚酰胺复合膜及其制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102380257B (zh) * | 2010-09-02 | 2013-11-06 | 财团法人工业技术研究院 | 脱盐过滤材料 |
WO2012128939A2 (en) * | 2011-03-18 | 2012-09-27 | Arkema Inc. | Fluoropolymer compositions for desalination membranes |
US20140083931A1 (en) * | 2012-03-05 | 2014-03-27 | Chung Yuan Christian University | Anti-biofouling Membrane for Water-Treatment |
TWI496853B (zh) * | 2012-03-05 | 2015-08-21 | 中原大學 | 抗生物沾黏之塗佈組成物、抗生物沾黏薄膜及抗生物沾黏薄膜之製造方法 |
CN113244780B (zh) * | 2021-05-17 | 2022-02-08 | 江苏泷膜环境科技有限公司 | 一种耐结垢、抗黄化复合反渗透膜的制备方法 |
CN113244781B (zh) * | 2021-05-17 | 2022-02-08 | 江苏泷膜环境科技有限公司 | 一种抗黄化复合反渗透膜及其制备方法 |
-
2021
- 2021-05-17 CN CN202110533257.3A patent/CN113244780B/zh active Active
- 2021-12-28 US US17/771,022 patent/US20240139687A1/en active Pending
- 2021-12-28 WO PCT/CN2021/141911 patent/WO2022105937A1/zh active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63215786A (ja) * | 1987-03-03 | 1988-09-08 | Denki Kagaku Kogyo Kk | 水性接着剤組成物 |
US5021160A (en) * | 1990-01-09 | 1991-06-04 | Gelman Sciences, Inc. | Strongly acidic microporous membranes for cation exchange |
CN1313837A (zh) * | 1998-08-31 | 2001-09-19 | 纳尔科化学公司 | 难处理体系中污垢的抑制方法以及用于该方法的防垢剂 |
EP1163044A1 (en) * | 1999-02-25 | 2001-12-19 | Pall Corporation | Negatively charged membrane |
JP2008055328A (ja) * | 2006-08-31 | 2008-03-13 | Three M Innovative Properties Co | 湿気反応性組成物及び有機el素子 |
CN102553460A (zh) * | 2012-02-22 | 2012-07-11 | 富阳梅伊韦尔环保设备有限公司 | 一种耐污染低压反渗透膜的制备方法 |
CN103357281A (zh) * | 2013-07-02 | 2013-10-23 | 中国科学院生态环境研究中心 | 一种有效抗蛋白污染的聚偏氟乙烯微滤膜的改性方法 |
CN105169955A (zh) * | 2015-09-24 | 2015-12-23 | 威海翔宇环保科技股份有限公司 | 一种适合反渗透膜中水回用阻垢剂及其制备方法 |
CN107469649A (zh) * | 2017-09-05 | 2017-12-15 | 湖南澳维环保科技有限公司 | 一种亲水性抗污染聚酰胺复合反渗透膜及其制备方法 |
CN111558300A (zh) * | 2020-04-07 | 2020-08-21 | 天津工业大学 | 一种小分子两性离子改性表面聚酰胺复合膜及其制备方法 |
Non-Patent Citations (4)
Title |
---|
余亚伟: "聚砜材料在膜技术中的应用研究", 《水处理技术》 * |
刘忠安: "平板水胶贴合技术及发展趋势", 《光电子技术》 * |
孟壮: "表面紫外接枝辣素衍生物制备抗菌性聚砜超滤膜", 《水处理技术》 * |
张兴鹏: "抗污染反渗透膜的研究进展", 《材料导报》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022105937A1 (zh) * | 2021-05-17 | 2022-05-27 | 江苏泷膜环境科技有限公司 | 一种耐结垢、抗黄化反渗透膜的制备方法 |
CN117646329A (zh) * | 2024-01-29 | 2024-03-05 | 比音勒芬服饰股份有限公司 | 一种热湿智能调控纤维及包含该纤维的面料 |
CN117646329B (zh) * | 2024-01-29 | 2024-03-29 | 比音勒芬服饰股份有限公司 | 一种热湿智能调控纤维及包含该纤维的面料 |
Also Published As
Publication number | Publication date |
---|---|
WO2022105937A1 (zh) | 2022-05-27 |
US20240139687A1 (en) | 2024-05-02 |
CN113244780B (zh) | 2022-02-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113244780B (zh) | 一种耐结垢、抗黄化复合反渗透膜的制备方法 | |
CN107158980B (zh) | 基于气/液界面反应的薄层复合膜及其制备方法和应用 | |
WO2016107292A1 (zh) | 一种亲水性抗污染聚酰胺复合反渗透膜及其制备方法 | |
CN110052179B (zh) | 一种抗污染复合纳滤膜的制备方法 | |
CN108905653B (zh) | 一种超支化两性离子改性聚偏氟乙烯油水乳液分离膜的制备方法及应用 | |
CN108031311A (zh) | 持久亲水性复合纳滤膜的制备方法 | |
CN111514769B (zh) | 一种耐氯抗污染软水用纳滤膜及其制备方法 | |
CN108465377B (zh) | 一种再生纤维素/壳聚糖复合抗菌纳滤膜的制备方法 | |
CN108889128A (zh) | 一种聚酰胺复合反渗透膜的制备方法 | |
CN112844046A (zh) | 一种荷正电纳滤膜及其制备方法 | |
CN108939933A (zh) | 一种具有pH响应性的两亲性三嵌段共聚物改性超滤膜的制备方法 | |
CN113856501A (zh) | 一种复合纳滤膜及其制备方法和应用 | |
CN111871235B (zh) | 一种复合反渗透膜及其制备方法和应用 | |
CN1031482A (zh) | 用于反渗透膜的截留率增强涂料 | |
CN103316599A (zh) | 一种甜菜碱胶体纳米粒子改性壳聚糖纳滤膜的制备方法 | |
CN103285752A (zh) | 一种含磺酸甜菜碱型胶体纳米粒子的聚酰胺纳滤膜及其制备方法 | |
CN110141982A (zh) | 一种高通量高脱盐率混合基质反渗透膜及其制备方法与应用 | |
CN112588124A (zh) | 一种金属氢氧化物改性聚酰胺复合纳滤膜及其制备方法和应用 | |
Mkpuma et al. | Membrane surface zwitterionization for an efficient microalgal harvesting: A review | |
CN112237853B (zh) | 一种抗菌抗污染微孔膜及其制备方法 | |
CN106861437B (zh) | 一种稳定高通量超滤膜的制备方法 | |
CN112742215A (zh) | 一种用于多价阳离子脱除的高性能荷正电纳滤膜及其制备方法 | |
CN113813794B (zh) | 一种抗结垢反渗透复合膜及其制备方法 | |
CN104801209A (zh) | 一种咪唑磺酸盐接枝型聚醚砜超低压纳滤膜 | |
CN115770491A (zh) | 一种高通量复合膜及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Shen Juan Inventor after: Zhao Yuchen Inventor after: Wang Wei Inventor after: Zhang Peng Inventor after: Nanxiaodong Inventor before: Shen Juan Inventor before: Zhao Yuchen Inventor before: Wang Wei Inventor before: Zhang Peng |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |