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6609784 
Journal Article 
Synthesis of Poly(styrene carbonate) and Preparation of Styrene Carbonate by Thermal Degradation 
Bae, LY; 신은정; 유진이 
2008 
19 
1 
133-136 
KJD:ART001223601 
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 13C-NMR. The number average molecular weight (Mn) of the polymer is 5.0 × 104 g/mol and the glass transition temperature (Tg) is 88 ℃ and its melting point (Tm) is 240 ℃. The cyclic carbonate, styrene carbonate, has been obtained by thermal degradation of the polymer via the unzipping mechanism.