Alkali Metal/Quaternary Ammonium Salt Synergistic Catalytic System for the Efficient Synthesis of Biobased Poly(Isosorbide Carbonate)
Xinyi Gao,
Jie Jiang,
Junyao Shen
et al.
Abstract:Biobased
poly(isosorbide carbonate) (PIC) has received wide attention
due to its excellent performance and biomass feedstocks. Herein, PICs
were synthesized from isosorbide (ISB) and diphenyl carbonate (DPC)
by melt polycondensation. Several alkali metal catalysts and a basic
ionic liquid were screened to synthesize PICs with high conversions
of DPC and high molar mass. The combination of LiCl and tetramethylammonium
acetate ([TMA][Ac]) exhibited excellent catalytic performance and
reduced the reactivity diffe… Show more
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