UV RADIATION INDUCED GRAFT COPOLYMERIZATION OF ALLYL ACETATE ONTO POLY(ETHYLENE TEREPHTHALATE) (PET) FILMS FOR FUEL CELL MEMBRANES

Mostak Ahmed; Mubarak A. Khan; Nazia Rahman; M. Anwar H. Khan

doi:10.1007/s10118-012-1116-4

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UV RADIATION INDUCED GRAFT COPOLYMERIZATION OF ALLYL ACETATE ONTO POLY(ETHYLENE TEREPHTHALATE) (PET) FILMS FOR FUEL CELL MEMBRANES

PAPER | Updated：2023-01-03

- UV RADIATION INDUCED GRAFT COPOLYMERIZATION OF ALLYL ACETATE ONTO POLY(ETHYLENE TEREPHTHALATE) (PET) FILMS FOR FUEL CELL MEMBRANES
- Chinese Journal of Polymer Science Vol. 30, Issue 2, Pages: 227-234(2012)
- Affiliations：
  
  a.Radiation and Polymer Chemistry Laboratory, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, P.O. Box 3787, Dhaka, Bangladesh
  b.Department of Chemistry, Shahjalal University of Science and Technology, Sylhet-3114, Bangladesh
  c.Current Address: Department of Geography, University of California Berkeley, Berkeley, CA 94720, USA
- Author bio：
  
  *M. Anwar H. Khan, E-mail: anwar.khan@berkeley.edu
- Funds：
- DOI：10.1007/s10118-012-1116-4
  CLC：
- Received：25 March 2011，
  
  Revised：2011-04-23，
  
  Accepted：28 April 2011，
  
  Published：2012-03
- Accepted：
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Mostak Ahmed, Mubarak A. Khan, Nazia Rahman, et al. UV RADIATION INDUCED GRAFT COPOLYMERIZATION OF ALLYL ACETATE ONTO POLY(ETHYLENE TEREPHTHALATE) (PET) FILMS FOR FUEL CELL MEMBRANES[J]. Chinese Journal of Polymer Science, 2012, 30(2): 227-234.
DOI：

Mostak Ahmed, Mubarak A. Khan, Nazia Rahman, et al. UV RADIATION INDUCED GRAFT COPOLYMERIZATION OF ALLYL ACETATE ONTO POLY(ETHYLENE TEREPHTHALATE) (PET) FILMS FOR FUEL CELL MEMBRANES[J]. Chinese Journal of Polymer Science, 2012, 30(2): 227-234. DOI： 10.1007/s10118-012-1116-4.

摘要

Abstract

Ultraviolet (UV)-induced graft copolymerization of allyl acetate (AA) monomer onto poly(ethylene terephthalate) (PET) films and the subsequent sulfonation on the monomer units in the grafting chain using chlorosulfonic acid (ClSO

H) were carried out to prepare proton exchange membranes (PEMs) for fuel cells. A maximum grafting value of 12.8% was found for 35 vol% allyl acetate after 3 h radiation time. Optimum concentration of ClSO

H was selected for the sulfonation reaction to be 0.05 mol/L based on the degree of sulfonation and the tensile strength studies of the membrane. The degree of sulfonation increased as the sulfonation reaction temperature and sulfonation time were increasing. The radiation grafting and the sulfonation have been confirmed by titrimetric and gravimetric analyses as well as FTIR spectroscopy. The maximum ion exchange capacity (IEC) of 0.04125 mmol g

-1

was found at 12.1% degree of sulfonation and the maximum proton conductivity was found to be 0.035 S cm

-1

at 30℃ and a relative humidity of 60%. The various physical and chemical properties of the PEMs such as water uptake

mechanical strength

thermal durability and oxidative stability were also studied. To investigate the suitability of the prepared membrane for fuel cell applications

its properties were compared with those of Nafion 117.

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