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Synthesis of Poly(styrene carbonate) and Preparation of Styrene Carbonate by Thermal Degradation  

Lee, Yoon Bae (Department of Chemical Engineering, Soonchunhyang University)
Shin, Eun Jung (Department of Chemical Engineering, Soonchunhyang University)
Yoo, Jin Yi (Department of Chemical Engineering, Soonchunhyang University)
Publication Information
Applied Chemistry for Engineering / v.19, no.1, 2008 , pp. 133-136 More about this Journal
Abstract
In order to decrease carbon dioxide, one of the green house gas, poly(styrene carbonate) has been synthesized from carbon dioxide and styrene oxide with zinc glutarate as a catalyst. The polymer has been identified as an alternating copolymer by spectroscopic analysis, FT-IR, $^1H$-NMR, and $^{13}C$-NMR. The number average molecular weight ($M_n$) of the polymer is $5.0{\times}10^4g/mol$ and the glass transition temperature ($T_g$) is $88^{\circ}C$ and its melting point ($T_m$) is $240^{\circ}C$. The cyclic carbonate, styrene carbonate, has been obtained by thermal degradation of the polymer via the unzipping mechanism.
Keywords
carbon dioxide; zinc glutarate; poly(styrene carbonate); alternating copolymer; styrene carbonate;
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