Activated carbonates: enabling the synthesis of differentiated polycarbonate resins melt transcarbonation

Activated carbonates facilitate the preparation of polycarbonates based on monomers that are unsuitable for traditional melt polymerization at high temperatures. Bis(methyl salicyl) carbonate (BMSC) clearly shows reactivity benefits over diphenyl carbonate in melt polymerization reactions, resulting...

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Bibliographic Details
Published in:Polymer chemistry 2016-08, Vol.7 (33), p.5294-533
Main Authors: Kamps, J. H, Hoeks, T, Kung, E, Lens, J. P, McCloskey, P. J, Noordover, B. A. J, Heuts, J. P. A
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Summary:Activated carbonates facilitate the preparation of polycarbonates based on monomers that are unsuitable for traditional melt polymerization at high temperatures. Bis(methyl salicyl) carbonate (BMSC) clearly shows reactivity benefits over diphenyl carbonate in melt polymerization reactions, resulting in shorter reaction times and reduced heat exposure during polymerization. The increased reactivity enables the melt polymerization of a wide range of monomers, as demonstrated by two examples using volatile resorcinol and sterically hindered tert -butyl hydroquinone as monomers in the preparation of (co)polycarbonates. Higher reactivity of activated carbonate (BMSC) enabling polycarbonates based on monomers that are unsuitable for traditional melt polymerization which uses diphenol carbonate (DPC), as demonstrated in the conversion plot.
ISSN:1759-9954
1759-9962
DOI:10.1039/c6py00925e