Journal
POLYMER
Volume 55, Issue 19, Pages 4832-4836Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2014.08.002
Keywords
Carbon dioxide; Polycarbonate; Post-polymerization modification
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Funding
- Grant for Practical Application of University R&D Results under the Matching Fund Method from the New Energy and Industrial Technology Development Organization (NEDO)
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A facile pathway for functionalizing carbon dioxide (CO2) derived alicyclic polycarbonates has been developed by the combination of CO2 unsaturated alicyclic epoxide alternating copolymerization and subsequent post-polymerization modification. Thus, poly(cyclohexadiene carbonate) (PCHDC) was synthesized by the alternating copolymerization of CO2 and 1,4-cyclohexadiene-1,2-oxide with tetraphenylporphyrinatocobalt(III) chloride/dimethylaminopyridine. The subsequent post-polymerization modification of PCHDC by bromine addition to double bonds efficiently proceeded to afford the brominated polycarbonate, i.e., poly(dibromocyclohexene carbonate). The effect of post-polymerization modification on their thermal properties was further examined through thermal gravimetric and differential scanning calorimetry analyses. (C) 2014 Elsevier Ltd. All rights reserved.
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