Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 51, Issue 12, Pages 2669-2676Publisher
WILEY-BLACKWELL
DOI: 10.1002/pola.26656
Keywords
catalyst; ionomers; metal-organic catalysts; organometallic catalysts; polyolefins; polyethylene
Categories
Funding
- NSERC
- FQRNT
- CFI
- NanoQuebec IQN
- Quebec Center for Functional Materials
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Terpolymers of ethylene, norbornene, and 5-exo norbornene methyl alcohol are prepared using Pd phosphine sulfonates as catalysts. The pendant hydroxyl groups are then transformed into thioacetate groups. Films cast from the resulting polymers are then oxidized by hydrogen peroxide. This green oxidation method is found to quantitatively transform thioacetate groups into sulfonic acids, leading to the formation of sulfonated hydrocarbon ionomers. These ionomers are thermally stable, exhibit increasing conductivity up to 110 degrees C, and have a low water uptake, indicating that these materials are potentially interesting candidates for the preparation of fuel cell membranes. (c) 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2013, 51, 26692676
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