Block copolymers combining semi-fluorinated poly(arylene ether) and sulfonated poly(arylene ether sulfone) segments for proton exchange membranes
(2014) In International Journal of Hydrogen Energy 39(28). p.15718-15727- Abstract
- A series of aromatic multiblock copolymers based on alternating segments of hydrophilic sulfonated polysulfone (PSU) and hydrophobic polyfluoroether (PFE) were prepared and characterized as proton exchange membranes. PSU precursor blocks were synthesized by polycondensation of dichlorodiphenylsulfone and resorcinol, and PFE precursor blocks were prepared by combining decafluorobiphenyl and isopropylidenediphenol. After preparation of the multiblock copolymers via a mild coupling reaction of the precursor blocks, the resorcinol units of the PSU blocks were selectively and virtually completely sulfonated under mild reaction conditions using trimethylsilylchlorosulfonate. Transparent and robust membranes with different PSU-PFE copolymer... (More)
- A series of aromatic multiblock copolymers based on alternating segments of hydrophilic sulfonated polysulfone (PSU) and hydrophobic polyfluoroether (PFE) were prepared and characterized as proton exchange membranes. PSU precursor blocks were synthesized by polycondensation of dichlorodiphenylsulfone and resorcinol, and PFE precursor blocks were prepared by combining decafluorobiphenyl and isopropylidenediphenol. After preparation of the multiblock copolymers via a mild coupling reaction of the precursor blocks, the resorcinol units of the PSU blocks were selectively and virtually completely sulfonated under mild reaction conditions using trimethylsilylchlorosulfonate. Transparent and robust membranes with different PSU-PFE copolymer compositions and ion-exchange capacities were cast from solution. Atomic force microscopy of the membranes revealed a distinct nanophase separated morphology. At 80 oC, the proton conductivity reached 10 mS cm-1 under 65% relative humidity and 100 mS cm-1 under fully hydrated conditions. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/4580136
- author
- Sannigrahi, Arindam LU ; Takamuku, Shogo LU and Jannasch, Patric LU
- organization
- publishing date
- 2014
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Sulfonation, Ionomer, Aromatic block copolymer, Polymer electrolyte membrane, Fuel cell, Proton conductivity
- in
- International Journal of Hydrogen Energy
- volume
- 39
- issue
- 28
- pages
- 15718 - 15727
- publisher
- Elsevier
- external identifiers
-
- wos:000342861500045
- scopus:84908242772
- ISSN
- 1879-3487
- DOI
- 10.1016/j.ijhydene.2014.07.155
- language
- English
- LU publication?
- yes
- additional info
- Online 16 August 2014
- id
- d25ddfb1-a409-47cc-843a-96f1893683a1 (old id 4580136)
- alternative location
- http://www.sciencedirect.com/science/article/pii/S0360319914022010
- date added to LUP
- 2016-04-01 13:29:26
- date last changed
- 2022-01-27 19:30:52
@article{d25ddfb1-a409-47cc-843a-96f1893683a1, abstract = {{A series of aromatic multiblock copolymers based on alternating segments of hydrophilic sulfonated polysulfone (PSU) and hydrophobic polyfluoroether (PFE) were prepared and characterized as proton exchange membranes. PSU precursor blocks were synthesized by polycondensation of dichlorodiphenylsulfone and resorcinol, and PFE precursor blocks were prepared by combining decafluorobiphenyl and isopropylidenediphenol. After preparation of the multiblock copolymers via a mild coupling reaction of the precursor blocks, the resorcinol units of the PSU blocks were selectively and virtually completely sulfonated under mild reaction conditions using trimethylsilylchlorosulfonate. Transparent and robust membranes with different PSU-PFE copolymer compositions and ion-exchange capacities were cast from solution. Atomic force microscopy of the membranes revealed a distinct nanophase separated morphology. At 80 oC, the proton conductivity reached 10 mS cm-1 under 65% relative humidity and 100 mS cm-1 under fully hydrated conditions.}}, author = {{Sannigrahi, Arindam and Takamuku, Shogo and Jannasch, Patric}}, issn = {{1879-3487}}, keywords = {{Sulfonation; Ionomer; Aromatic block copolymer; Polymer electrolyte membrane; Fuel cell; Proton conductivity}}, language = {{eng}}, number = {{28}}, pages = {{15718--15727}}, publisher = {{Elsevier}}, series = {{International Journal of Hydrogen Energy}}, title = {{Block copolymers combining semi-fluorinated poly(arylene ether) and sulfonated poly(arylene ether sulfone) segments for proton exchange membranes}}, url = {{http://dx.doi.org/10.1016/j.ijhydene.2014.07.155}}, doi = {{10.1016/j.ijhydene.2014.07.155}}, volume = {{39}}, year = {{2014}}, }