Abstract: Isocyanate group was bonded on backbone of polysfulfone(PS) by two steps-“one pot” method according to our previous study method.PS-BS was obtained with 4-hydroxybenzenesulfonic acid sodium as reagent.The PSCEMs were prepared by solution casting method.The relationship between temperature and water absorption,swelling ratio and proton conductivity were explored.Due to the hydrophilic sulfonic acid group was far away from hydrophobic polysulfone main chain,the PSCEM can form micro-phase separation.It leaded to the PSCEM keep excellent size stability at high water absorption.It showed excellent size stability that the swelling ratio of PSCEM were only 25.1% at 25℃ and 55.6% at 85℃ when the water absorption were 45.1% and 52.1% at the same temperature.And the proton conductivity were up to 0.077S/cm and 0.147S/cm respectively.
乔宗文. 侧链末端为磺酸基团的磺化聚砜阳离子交换膜性能研究[J]. 化工新型材料, 2019, 47(9): 109-113.
Qiao Zongwen. Study on sulfonated PSCEM with sulfoacid on side chain end. New Chemical Materials, 2019, 47(9): 109-113.
[1] 吴雪梅,贺高红,顾爽,等.经胺交联的磺化聚芳醚砜酮荷电膜的制备及微观结构[J].功能材料,2006,37(8):1341-1344. [2] Feng S G,Shang Y M,Xie X F,et al.Synthesis and characterization of crosslinked sulfonated poly(arylene ether sulfone) membranes for DMFC applications[J].Journal of Membrane Science,2009,335:13-20. [3] 宫飞祥,齐永红,薛群翔.含氟磺化双三蝶烯型聚芳醚砜质子交换膜的制备及性能[J].高等学校化学学报,2014,35(2):433-439. [4] Mishra A K,Bose S,Kuila T,et al.Silicate-based polymer-nanocomposite membranes for polymer electrolyte membrane fuel cells[J].Progress in Polymer Science,2012,37:842-869. [5] 荣倩,顾爽,贺高红,等.SPEEK/P4VP酸碱复合质子交换膜的制备与性能[J].高分子材料科学与工程,2009,25(8):126-129. [6] Lafitte B,Jannasch P.Proton-conducting aromatic polymers carrying hypersulfonated side chains for fuel cell applications[J].Advanced Functional Materials,2007,17(15):2823-2834. [7] Kobayashi T,Rilukawa M,Sanui K,et al.Proton conducting polymers derived from poly(ether-etherketone) and poly(4-phenoxybenzoyl-1,4-phenylene)[J].Solid State Ionic,1998,106:219-225. [8] Zhang Y,Wan Y,Zhao C J,et al.Novel side-chain-type sulfonated poly(arylene ether ketone) with pendant sulfoalkyl groups for direct methanol fuel cells[J].Polymer,2009,50:4471-4478. [9] 乔宗文,高保娇,陈涛.侧链末端为磺酸根基团的磺化改性聚砜的制备及其阳离子交换膜的基本性能[J].功能高分子学报,2014,27(4):399-407. [10] Zhu Y Q,Manthiram A.Synthesis and characterization of polysulfone-containing sulfonated side chains for direct methanol fuel cells[J].Journal of Power Sources,2011,196:7481-7487. [11] Pang J H,Zhang H B,Li X F,et al.Poly(arylene ether)s with pendant sulfoalkoxy groups prepared by direct copolymerization method for proton exchange membranes[J].Journal of Membrane Science,2008,184:1-8. [12] Chen S L,Bocarsly A B,Benziger J.Nafion-layered sulfonated polysulfone fuel cell membranes[J].Journal of Power Sources,2005,152:27-33. [13] Gao Y,Robertson G P,Guiver M D,et al.Proton exchange membranes based on sulfonatedpoly(phthalazinone ether ketone)s/aminated polymer blends B[J].Solid State Ionics,2005,176:409-415. [14] Ekström H,Lafitte B,Ihonen J,et al.Evaluation of a sulfophenylated polysulfone membrane in a fuel cell at 60 to 110℃[J].Solid State Ionics,2007,178:959-966. [15] Wang G G,Weng Y M,Chu D,et al.Developing a polysulfone-based alkaline anion exchange membranefor improved ionic conductivity[J].Journal of Membrane Science,2009,332:63-68.