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Qian Li, Wenxiang Zhu, Chuncheng Li, Guohu Guan, Dong Zhang, Yaonan Xiao and Liuchun Zheng A non-phosgene process to homopolycarbonate and copolycarbonates of isosorbide using dimethyl carbonate: Synthesis, characterization, and properties Journal of Polymer Science Part A: Polymer Chemistry 51

Article first published online: 24 DEC 2012 | DOI: 10.1002/pola.26507

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Poly(isosorbide carbonate) was synthesized by melt polycondensation of dimethyl carbonate and isosorbide using lithium acetylacetonate as the catalyst. The reaction conditions were optimized. A series of poly(aliphatic diol-co-isosorbide carbonate)s were also synthesized by melt polycondensation of DMC with isosorbide and equimolar amounts of aliphatic diols (1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, and 1,4-cyclohexane dimethanol) in the presence of LiAcac and the TiO2/SiO2-based catalyst (TSP-44).

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