界面聚合法制备PEO中空纳米微球及其对气体渗透性的影响Synthesis of hollow PEO microspheres via interfacial polymerization and their effects on gas permeation performance
丁晓莉,康长勇,赵红永,王鑫兰,张玉忠,王丽娜
摘要(Abstract):
为获得高的渗透和选择性能,分别以聚乙二醇甲醚丙烯酸酯和双季戊四醇六丙烯酸酯为水相反应单体和油相交联剂,利用界面引发剂在无表面活性剂微乳液油水界面处引发聚合制备中空微球,浇铸形成具有纳米空腔的中空微球膜,并考察了膜内纳米空腔对分离膜气体渗透性和分离性的影响。结果表明:制备的中空微球平均粒径为95 nm,中空结构明显;在高交联剂含量中,中空微球膜的渗透分离性能较壳层材料的本征值都有显著提升,在35℃、0.2 MPa下,CO_2的渗透系数增大4.5倍,且分离系数也有所提升。
关键词(KeyWords): 界面聚合法;CO_2分离膜;聚合物中空微球;微乳液聚合;气体渗透性
基金项目(Foundation): 国家自然科学基金资助项目(21506160,21776217)
作者(Author): 丁晓莉,康长勇,赵红永,王鑫兰,张玉忠,王丽娜
参考文献(References):
- [1]GIN D L,NOBLE R D.Designing the next generation of chemical separation membranes[J].Science,2011,332(6030):674-676.
- [2]LI Y,WANG S,HE G,et al.Facilitated transport of small molecules and ions for energy-efficient membranes[J].Chemical Society Reviews,2015,44(1):103-118.
- [3]ZHAO J,WANG Z,WANG J,et al.High-performance membranes comprising polyaniline nanoparticles incorporated into polyvinylamine matrix for CO2/N2separation[J].Journal of Membrane Science,2012,403:203-215.
- [4]马诚,孔瑛,孙海翔,等.聚酰亚胺/聚酰胺-胺复合膜的制备及其对CO2的分离性能[J].天津工业大学学报,2011,30(6):1-4.MA C,KONG Y,SUN H X,et al.Preparation of polyimide/polyamide-amine composite membrane and its CO2separation property[J].Journal of Tianjin Polytechnic University,2011,30(6):1-4(in Chinese).
- [5]滕一万,武法文,王辉,等.CO2/CH4高分子气体分离膜材料研究进展[J].化工进展,2007(8):1075-1079.TENG Y W,WU F W,WANG H,et al.Research progress of polymeric material of gas separation membrane for gas pair CO2/CH4[J].Chemical Industry and Engineering Progress,2007(8):1075-1079(in Chinese).
- [6]ROBESON L M.The upper bound revisited[J].Journal of Membrane Science,2008,320(1/2):390-400.
- [7]邱晓智,曹义鸣,周美青,等.含聚醚链段的共聚聚酰亚胺膜材料的气体渗透性能[J].天津工业大学学报,2008,27(3):40-42.QIU X Z,CAO Y M,ZHOU M Q,et al.Gas permeation properties of copolyimide membranes containing polyether segment[J].Journal of Tianjin Polytechnic University,2008,27(3):40-42(in Chinese).
- [8]HALIM A,FU Q,YONG Q,et al.Soft polymeric nanoparticle additives for next generation gas separation membranes[J].Journal of Materials Chemistry A,2014(2):4999-5009.
- [9]WANG S,TIAN Z,FENG J,et al.Enhanced CO2,separation properties by incorporating poly(ethylene glycol)-containing polymeric submicrospheres into polyimide membrane[J].Journal of Membrane Science,2015,473:310-317.
- [10]赵红永,曹义鸣,康国栋,等.聚氧化乙烯气体分离膜的发展[J].膜科学与技术,2011,31(3):18-24.ZHAO H Y,CAO Y M,KANG G D,et al.The development of poly(ethylene oxide)gas membranes[J].Membrane Science and Technology,2011,31(3):18-24(in Chinese).
- [11]赵红永.溶解选择性聚氧化乙烯CO2分离膜材料研究[D].大连:中国科学院大连化学物理研究所,2009:1-7.ZHAO H Y.Study on dissolving selective poly(ethylene oxide)CO2separation membrane materials[D].Dalian:Dalian Institute of Chemical Physics,Chinese Academy of Sciences,2009:1-7(in Chinese).
- [12]任晓灵,任吉中,邓麦村.聚醚共聚酰胺多层复合气体分离膜的制备及其分离性能[J].膜科学与技术,2012,32(2):30-35.REN X L,REN J Z,DENG M C.Preparation of multilayer poly(amide-12-b-ethylene oxide)composite membrane and their performance for gas separation[J].Membrane Science and Technology,2012,32(2):30-35(in Chinese).
- [13]LIN H,WAGNER E V,SWINNEA J S,et al.Transport and structural characteristics of crosslinked poly(ethylene oxide)rubbers[J].Journal of Membrane Science,2006,276(1/2):145-161.
- [14]DING X,HUA M M,ZHAO H,et al.Poly(ethylene oxide)composite membrane synthesized by UV-initiated free radical photopolymerization for CO2separation[J].Journal of Membrane Science,2017,531:129-137.
- [15]RAVI N,MITRA A,HAMILTON P,et al.Characterization of the network properties of poly(ethylene glycol)-acrylate hydrogels prepared by variations in the ethanol-water solvent composition during crosslinking copolymerization[J].Journal of Polymer Science Part B:Polymer Physics,2002,40(23):2677-2684.
- [16]王维,陈兴,蔡泉,等.小角X射线散射(SAXS)数据分析程序SAXS1.0[J].核技术,2007,30(7):571-575.WANG W,CHEN X,CAI Q,et al.SAXS1.0-a program for small-angle X-ray scattering data analysis[J].Nuclear Technique,2007,30(7):571-575(in Chinese).
- [17]LIU J,HAN B,ZHANG J,et al.Formation of water-in-CO2microemulsions with non-fluorous surfactant Ls-54 and solubilization of biomacromolecules[J].Chemistry-A European Journal,2002,8(6):1356-1360.
- [18]PIXTON M R,PAUL D R.Gas transport properties of polyarylates part I:Connector and pendant group effects[J].Journal of Polymer Science Part B:Polymer Physics,1995,33(7):1135-1149.
- [19]ZHAO H,DING X,YANG P,et al.A novel multi-armed and star-like poly(ethylene oxide)membrane for CO2,separation[J].Journal of Membrane Science,2015,489:258-263.
- [20]LIN H.Solubility selective membrane materials for carbon dioxide removal from mixtures with light gases[D].Austin:University of Texas at Austin,2005.