Beilstein J. Org. Chem.2019,15, 963–970, doi:10.3762/bjoc.15.93
important for chain-length control. Liquid-assisted grinding was applied for the synthesis of high molecular weight polymers, but it failed to protect the polymer chain from mechanical degradation.
Keywords: aliphaticpolycarbonate; green polymerization; mechanochemistry; organocatalyst; poly(trimethylene
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Graphical Abstract
Scheme 1:
Fast trimethylene carbonate polymerization using a solvent-free ball-milling approach.
Beilstein J. Org. Chem.2014,10, 1787–1795, doi:10.3762/bjoc.10.187
attained at the PA feeding of 1.0 g. Related stereogradient CO2/PO copolymers have been reported, in which one end of the polymer chain is enriched with the R-isomer of PO, while the other is enriched with the S-isomer [33][34]. A related copolymer composed of aliphaticpolycarbonate and aromatic polyester
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Graphical Abstract
Scheme 1:
Synthesis of poly(propylene carbonate) (PPC) using catalyst 1.