dc.contributor.author | Hajdok, Imre | |
dc.contributor.author | Kerres, Jochen | |
dc.contributor.author | Atanasov, Vladimir | |
dc.date.accessioned | 2016-09-02T09:46:10Z | |
dc.date.available | 2016-09-02T09:46:10Z | |
dc.date.issued | 2015 | |
dc.identifier.citation | Hajdok, I. et al. 2015. Perfluoro-p-xylene as a new unique monomer for highly stable arylene main-chain ionomers applicable to low-t and high-t fuel cell membranes. Polymers, 7(6):1066-1087. [http://www.mdpi.com/journal/polymers] | en_US |
dc.identifier.issn | 2073-4360 (Online) | |
dc.identifier.uri | http://hdl.handle.net/10394/18519 | |
dc.identifier.uri | http://dx.doi.org/10.3390/polym7061066 | |
dc.identifier.uri | http://www.mdpi.com/2073-4360/7/6/1066 | |
dc.description.abstract | In this study, we present the synthesis and the characterization of novel functionalized arylene main-chain ionomers based on perfluoro-p-xylene (PFX). The polymers were prepared by polycondensation of PFX and 4,4'-dihydroxybiphenyl or bisphenol 2,2-bis(4-hydroxyphenyl)-hexafluoropropane (bisphenol AF). After polymerization, the PFX unit was still able to undergo nucleophilic aromatic substitution reaction, which was used to introduce phosphonic acid groups into the polymer via a reaction with tris(trimethylsilyl)phosphite. Furthermore, electrophilic sulfonation of these polymers was possible in the bisphenol unit when using H2SO4/SO3 as the sulfonation agent. The so-obtained water-soluble PFX-based polyelectrolytes showed excellent chemical stability and were blended with polybenzimidazoles. The blend membranes formed flexible and mechanically robust films with excellent chemical and thermal stabilities | en_US |
dc.language.iso | en | en_US |
dc.publisher | MDPI | en_US |
dc.subject | Perfluoro-p-xylene | en_US |
dc.subject | acid-excess blend membrane | en_US |
dc.subject | basic-excess blend membrane | en_US |
dc.title | Perfluoro-p-xylene as a new unique monomer for highly stable arylene main-chain ionomers applicable to low-t and high-t fuel cell membranes | en_US |
dc.type | Article | en_US |
dc.contributor.researchID | 24775290 - Kerres, Jochen A. | |