NDLI: UV radiation induced graft copolymerization of allyl acetate onto poly(ethylene terephthalate) (PET) films for fuel cell membranes

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Chinese Journal of Polymer Science : Volume 30, Issue 1, January 2012

Chinese Journal of Polymer Science : Volume 29

Chinese Journal of Polymer Science : Volume 28

UV radiation induced graft copolymerization of allyl acetate onto poly(ethylene terephthalate) (PET) films for fuel cell membranes

Content Provider	Springer Nature Link
Author	Ahmed, Mostak Khan, Mubarak A. Rahman, Nazia Khan, M. Anwar H.
Copyright Year	2012
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 (ClSO3H) 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 ClSO3H 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°C 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.
Starting Page	227
Ending Page	234
Page Count	8
File Format	PDF
ISSN	02567679
Journal	Chinese Journal of Polymer Science
Volume Number	30
Issue Number	2
e-ISSN	14396203
Language	English
Publisher	Chinese Chemical Society and Institute of Chemistry, CAS
Publisher Date	2012-01-04
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer electrolyte membrane Allyl acetate Fuel cell UV radiation Grafting Sulfonation Polymer Sciences Condensed Matter Physics Characterization and Evaluation of Materials Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Chemical Engineering Polymers and Plastics

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