新型偕胺肟基螯合树脂对Ni(Ⅱ)和Cu(Ⅱ)吸附性能研究
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摘要
用表面引发原子转移自由基聚合(SI-ATRP)将丙烯腈(AN)接枝到氯甲基化聚苯乙烯树脂(PS-CH2Cl)表面,再由羟胺和腈基的胺肟转换反应得到偕胺肟基螯合树脂(PAO-g-PS)。采用红外和扫描电镜对树脂进行了表征,并研究了树脂对Ni(Ⅱ)和Cu(Ⅱ)的吸附性能。结果表明,树脂对Ni(Ⅱ)和Cu(Ⅱ)吸附容量分别达到1.58、1.01mmol/g,经过10次吸附-解吸循环试验,树脂的吸附容量无显著变化,表明树脂具有优异的吸附性能以及良好的重复使用性。
A novel amidoxime chelating resin(PAO-g-PS) was prepared by grafting acrylonitrile(AN)onto chloromethylated polystyrene(PS-CH2 Cl) beads via surface-initiated atom transfer radical polymerization(SI-ATRP), and followed by the reaction of hydroxylamine and nitrile grouping amine-oxime conversion. The structure of the resin was characterized by infrared spectroscopy and scanning electron microscopy, and the adsorption performance of the resin for Ni(Ⅱ) and CU(Ⅱ) was studied. The results showed that, the adsorption capacity of the resin for Ni(Ⅱ) and CU(Ⅱ) were 1.58 and 1.01 mmol/g respectively. The results of ten adsorption-desorption cycle tests showed that, the adsorption capacity of the resin had no significant changes,which demonstrated that the resin possessed excellent adsorption performance and good reusability.
A novel amidoxime chelating resin(PAO-g-PS) was prepared by grafting acrylonitrile(AN)onto chloromethylated polystyrene(PS-CH2 Cl) beads via surface-initiated atom transfer radical polymerization(SI-ATRP), and followed by the reaction of hydroxylamine and nitrile grouping amine-oxime conversion. The structure of the resin was characterized by infrared spectroscopy and scanning electron microscopy, and the adsorption performance of the resin for Ni(Ⅱ) and CU(Ⅱ) was studied. The results showed that, the adsorption capacity of the resin for Ni(Ⅱ) and CU(Ⅱ) were 1.58 and 1.01 mmol/g respectively. The results of ten adsorption-desorption cycle tests showed that, the adsorption capacity of the resin had no significant changes,which demonstrated that the resin possessed excellent adsorption performance and good reusability.
引文
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[2]SERKAN E.Preparation and characterization of an IPN type chelating resin containing amino and carboxyl groups for removal of Cu(II)from aqueous solutions[J].Reactive&Functional Polymers,2014,75:63-74.
[3]SEMMEDU S K,THANGARAJ V,ARUKKANI M,et al.The use of new modified poly(acrylamide)chelating resin with pendent benzothiazole groups containing donor atoms in the removalof heavy metal ions from aqueous solutions[J].Water Resources and Industry,2014,5:21-35.
[4]ZHANG Y,CHEN Y N,WANG C Z,et al.Immobilization of 5-aminopyridine-2-tetrazole on cross-linkedpolystyrene for the preparation of a new adsorbent to remove heavymetal ions from aqueous solution[J].Journal of Hazardous Materials,2014,276:129-137.
[5]JING X S,LIU F Q,YANG X,et al.Adsorption performances and mechanisms of the newly synthesized N,N/-di(carboxymethyl)dithiocarbamate chelating resin toward divalen-theavy metal ions from aqueous media[J].Journal of Hazardous Materials,2009,167:589-596.
[6]WANG S M,Li H L,CHEN X Y,et al.Selective adsorption of silver ions from aqueous solution using polystyrene-supported trimercaptotriazine resin[J].Journal of Environmental Sciences2012,24(12):2166-2172.
[7]LIU P,LIU W M,XUE Q J.Preparation of Comb-like Styrene Grafted Silica Nanoparticles[J].Journal of Macromolecular Science Part A Pure and Applied Chemistry,2004,41:1001-1010.
[8]YUAN Q,LI N,CHI Y,et al.Effect of large pore size of multifunctional mesoporous microsphere on removal of heavy metal ions[J].Journal of Hazardous Materials,2013,254-255:157-165.
[9]ABD EI-WAHAB H,ABD EL-FATTAH M,GHAZY M B M.Synthesis and characterization of new modified anti-corrosive polyesteramide resins incorporated pyromellitimide ring for surface coating[J].Progress in Organic Coatings,2011,72:353-359.
[10]MATYJASZEWSKI K.Macromolecular engineering:from rational design through precise macromolecular synthesis and processing to targeted macroscopic material properties[J].Progress in Polymer Science,2005,30:858-75.
[11]CHENETTE H C S,ROBINSON J R,HOBBLEY E,et al.Development of high-productivity,strong cation-exchange adsorbers for protein capture by graft polymerization from membranes with different pore sizes[J].Journal of Membrane Science,2012,423-424:43-52.
[12]SINGH N,HUSSON S M,Zdyrko B,et al.Surface modification of micro-porous PVDF membranes by ATRP[J].Journal of Membrane Science,2005,262:81-90.
[13]陈佑宁,高莉,贺茂芳,等.聚乙烯四唑型螯合树脂及其对重金属离子的吸附性能[J].高等学校化学学报,2014,35(7):1596-1602.
[14]ZHANG J C,CHEN Y N.Uptake of Fe(III),Ag(I),Ni(II)and Cu(II)by salicylicacid-type chelating resin prepared via surface initiated atom transfer radical polymerization[J].RSC Adv,2016,6:69370-69380.
[15]CHEN Y N,ZHAO W,ZHANG J C.Preparation of 4-vinylpyridine(4VP)resin and its adsorption performance for heavy metal ions[J].RSC Adv,2017,7:4226-4236.
[16]ELOY F,LENAERS R.The chemistry of amidoximes and related compounds[J].Chem Rev,1962,62:155-183.
[17]WU N,LI Z.Synthesis and characterization of poly(HEA/MALA)hydrogel and its application in removal of heavy metal ions from water[J].Chem Eng J,2013,215-216:894-902.
[18]LIN Z,ZHANG Y,CHEN Y,et al.Extraction and recycling utilization of metal ions(Cu2+,Co2+and Ni2+)with magnetic polymer beads[J].Chem Eng J,2012,200:104-110.
[19]EL-KHOULY A S,TAKAHASHI Y,SAAFAN A A,et al.Study of heavy metal ion absorbance by amidoxime group introduced to cellulose-graft-polyacrylonitrile[J].J Appl Polym Sci,2011,120:866-873.