首先使用氯甲基化试剂使聚砜(PSF)得以氯甲基化,制得氯甲基化聚砜(CMPSF),然后流延成膜,制得CMPSF铸膜,在此基础上使CMPSF膜与乙二胺(EDA)反应,得到表面键合有EDA的氨基化膜AMPSF.在水溶液体系中加入过硫酸盐,构建氨基/过硫酸盐(-NH2/S2O82-)表面引发体系,使对苯乙烯磺酸钠(SSS)在基膜AMPSF表面发生接枝聚合,制得了接枝膜PSF-g-PSSS.较深入地考察了主要因素对膜接枝过程的影响,优化了接枝聚合条件.采用红外光谱(FTIR)、光学显微镜(OM)及称重等法对接枝膜PSF-g-PSSS进行了表征.最后,考察研究了接枝膜对抗蚜威和阿特拉津两种含氮杂环农药化合物的吸附特性.实验研究结果表明,采用-NH2/S2O82-表面引发体系,可以顺利地实施SSS在PSF膜表面的接枝聚合,接枝度随氨基化膜AMPSF表面氨基键合量的增大而增大,适宜的接枝聚合温度为70℃,溶液中适宜的过硫酸盐浓度为单体质量的0.3％.在适宜的条件下可制得PSSS接枝度为1.23mg/cm2的接枝膜.凭借强烈的静电相互作用,功能接枝膜PSF-g-PSSS对抗蚜威和阿特拉津两种含氮杂环农药可产生强烈的吸附作用.
参考文献
| [1] | Deng H Y;Xu Y Y;Chen Q C et al.High flux positively charged nanofiltration membranes prepared by UV-initiated graft polymerization of methacrylatoethyl trimethyl ammonium chloride (DMC) onto polysulfone menbranes[J].Journal of Membrane Science,2011,366(1-2):363-372. |
| [2] | Wang,W.;Huang,X.-J.;Cao,J.-D.;Lan,P.;Wu,W. .Immobilization of sodium alginate sulfates on polysulfone ultrafiltration membranes for selective adsorption of low-density lipoprotein[J].Acta biomaterialia,2014(1):234-243. |
| [3] | Yi Z;Zhu L P;Xu Y Y et al.Polysulfone-based amphiphilic polymer for hydrophilicity and fouling-re-sistant modification of polyethersulfone membranes[J].Journal of Membrane Science,2010,365(1/2):25-33. |
| [4] | Yue W W;Li H J;Xiang T et al.Grafting of zwitterion from polysulfone membrane via surface-initiated ATRP with enhanced antifouling property and biocompatibility[J].Journal of Membrane Science,2013,446:79-91. |
| [5] | Hesampour M;Huuhilo T;Makinen K;Manttari M;Nystrom M .Grafting of temperature sensitive PNIPAAm on hydrophilised polysulfone UF membranes[J].Journal of Membrane Science,2008(1/2):85-92. |
| [6] | Bayramo(g)lu G;Yal(c)n E;Ar(a)ca M Y .Characterization of polyethylenimine grafted and Cibacron Blue F3GA immobilized poly (hydroxyethylmethacrylate-co-glycydylmethacrylate) membranes and application to bilirubin removal from human serum[J].Colloids and Surfaces A-Physicochemical and Engineering Aspects,2005,264(1/3):195-202. |
| [7] | Park JY;Acar MH;Akthakul A;Kuhlman W;Mayes AM .Polysulfone-graft-poly(ethylene glycol) graft copolymers for surface modification of polysulfone membranes[J].Biomaterials,2006(6):856-865. |
| [8] | Sherazi T A;Guiver M D;Kingston D et al.Radiation-grafted membranes based on polyethylene for direct methanol fuel cells[J].Journal of Power Sources,2010,195(1):21-29. |
| [9] | HuJ;ZhangCX;Cong J et al.Plasrna-grafted alkaline anion-exchange membranes based on polyvinyl chloride for potential application in direct alcohol fuel cell[J].Journal of Power Sources,2011,196(10):4483-4490. |
| [10] | HUA Helin,LI Na,WU Linlin,ZHONG Hui,WU Guangxia,YUAN Zonghuan,LIN Xiangwei,TANG Lianyi.Anti-fouling ultrafiltration membrane prepared from polysulfone-graft-methyl acrylate copolymers by UV-induced grafting method[J].环境科学学报（英文版）,2008(05):565-570. |
| [11] | Patel R;Im S J;Ko Y T et al.Preparation and characterization of proton conducting polysulfone grafted poly(styrene sulfonic acid) polvelectrolyte membranes[J].J Ind and Eng Chem,2009,15(3):299-303. |
| [12] | Qiu, J.-H.;Zhang, Y.-W.;Zhang, Y.-T.;Zhang, H.-Q.;Liu, J.-D. .Synthesis and antibacterial activity of copper-immobilized membrane comprising grafted poly(4-vinylpyridine) chains[J].Journal of Colloid and Interface Science,2011(1):152-159. |
| [13] | Yiwang Chen;Lie Chen;Huarong Nie;E.T. Kang;R.H. Vora .Fluorinated polyimides grafted with poly(ethylene glycol) side chains by the RAFT-mediated process and their membranes[J].Materials Chemistry and Physics,2005(2/3):195-201. |
| [14] | Fan H;Wang C Z;Li Y X et al.Preparation and anti-protein fouling property of δ-gluconolactone-modified hydrophilic polysulfone membranes[J].Journal of Membrane Science,2012,415-416:161-167. |
| [15] | Gao, JM;Kamnaing, P;Kiyota, T;Watchueng, J;Kubo, T;Jarussophon, S;Konishi, Y .One-step purification of palmatine and its derivative dl-tetrahydropalmatine from Enantia chlorantha using high-performance displacement chromatography[J].Journal of Chromatography. A,2008(1/2):47-53. |
| [16] | Xuan Xing;Xiuping Zhu;Hongna Li;Yi Jiang;Jinren Ni .Electrochemical oxidation of nitrogen-heterocyclic compounds at boron-doped diamond electrode[J].Chemosphere: Environmental toxicology and risk assessment,2012(4):368-375. |
| [17] | Lhomme, L;Brosillon, S;Wolbert, D .Photocatalytic degradation of pesticides in pure water and a commercial agricultural solution on TiO2 coated media[J].Chemosphere,2008(3):381-386. |
| [18] | Henrik T. Madsen;Erik G. Sogaard.Applicability and modelling of nanofiltration and reverse osmosis for remediation of groundwater polluted with pesticides and pesticide transformation products[J].Separation and Purification Technology,2014:111-119. |
| [19] | Ghaemi N;Madaeni S S;Alizadeh A et al.Preparation,characterization and performance of polyethersulfone/organically modified montmorillonite nanocomposite membranes in removal of pesticides[J].Journal of Membrane Science,2011,382:135-147. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%