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Chemical Fixation of Carbon Dioxide to Copolymers Bearing Cyclic Carbonate Group
1Dept. of Chem. Eng., Pusan National University, Pusan, Korea 2Dept. of Polym. Sci. & Eng., Pusan National University, Pusan, Korea
Korean Journal of Chemical Engineering, November 1999, 16(6), 721-724(4), 10.1007/BF02698342
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Abstract
This study is related to the investigation of the chemical fixation of carbon dioxide to copolymers bearing a cyclic carbonate group and their application to polymer blends. In the synthesis of (2-oxo-1,3-dioxolan4-yl)methyl vinyl ether (OVE) from glycidyl vinyl ether (GVE) and CO2, quaternary ammonium salt catalysts showed good yield of OVE. The results with long alkyl chain and with lower accessibility showed a higher catalytic activity. Mixed catalyst of PEG-4000 and NaI showed higher catalytic activity than NaI alone. The copolymer of OVE and acrylonitrile (AN) was prepared by radical copolymerization in acetonitrile at 60 degrees C. The monomer reactivity ratios were given as r(1)(OVE)=0.36 and r(2)(AN)=1.21 in the copolymerization of OVE and AN. The films of poly(OVE-co-AN)/PVC blends were cast from DME The poly(OVE-co-AN)/PVC blends showed good miscibility over whole composition ranges.
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References
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