Influence of the bisphenol structure on the direct synthesis of sulfonated poly(arylene ether) copolymers. I

2003 ◽  
Vol 41 (14) ◽  
pp. 2264-2276 ◽  
Author(s):  
William L. Harrison ◽  
Feng Wang ◽  
Jeffery B. Mecham ◽  
Vinayak A. Bhanu ◽  
Melinda Hill ◽  
...  
e-Polymers ◽  
2020 ◽  
Vol 20 (1) ◽  
pp. 430-442 ◽  
Author(s):  
Rajdeep Mukherjee ◽  
Arun Kumar Mandal ◽  
Susanta Banerjee

AbstractSulfopropylated polysilsesquioxane and –COOH containing fluorinated sulfonated poly(arylene ether sulfone) composite membranes (SPAES-SS-X) have been prepared via an in situ sol–gel reaction through the solution casting technique. The composite membranes showed excellent thermal and chemical stability, compared to the pristine SPAES membrane. The uniform dispersion of the sulfonated SiOPS nanoparticles on the polymer matrix was observed from the scanning electron microscope images. Atomic force microscopy and transmission electron microscopy images indicated significantly better phase-separated morphology and connectivity of the ionic domains of the composite membranes than the pristine SPAES membrane. The composite membranes showed considerable improvement in proton conductivity and oxidative stability than the pristine copolymer membrane under similar test conditions.


2018 ◽  
Vol 16 ◽  
pp. 258-263 ◽  
Author(s):  
Lingling Wang ◽  
Penglun Zheng ◽  
Wenluan Zhang ◽  
Mingzhen Xu ◽  
Kun Jia ◽  
...  

2013 ◽  
Vol 51 ◽  
pp. 22-28 ◽  
Author(s):  
Jeong Hwan Chun ◽  
Sang Gon Kim ◽  
Ji Young Lee ◽  
Dong Hun Hyeon ◽  
Byung-Hee Chun ◽  
...  

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