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Issue 7, 2005
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Hyperbranched aliphatic polyethers obtained from environmentally benign monomer: glycerol carbonate

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Abstract

A hyperbranched aliphatic polyether with hydroxyl end groups was produced from glycerol carbonate (4-hydroxymethyl-1,3-dioxolan-2-one)—the benign monomer obtained from renewable starting materials: glycerol and dimethyl carbonate. Anionic polymerization of glycerol carbonate, which proceeds with simultaneous decarboxylation, was performed using partially deprotonated trimethylolpropane (TMP) as an initiator. Pendant hydroxyl groups facilitate the ring-opening multibranching polymerization leading to a hyperbranched polyether. 13C NMR analysis of the polymerization products confirmed the presence of linear, dendritic, and terminal repeating units. MALDI-TOF mass spectrum analysis confirmed the presence of TMP and glycerol core containing branched structures as well as a relatively small amount of macromolecules with cyclic groups. The polymers were soluble in water, THF, methanol and DMSO.

Graphical abstract: Hyperbranched aliphatic polyethers obtained from environmentally benign monomer: glycerol carbonate

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Publication details

The article was received on 31 Jan 2005, accepted on 12 Apr 2005 and first published on 10 May 2005


Article type: Paper
DOI: 10.1039/B501597A
Citation: Green Chem., 2005,7, 529-539
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    Hyperbranched aliphatic polyethers obtained from environmentally benign monomer: glycerol carbonate

    G. Rokicki, P. Rakoczy, P. Parzuchowski and M. Sobiecki, Green Chem., 2005, 7, 529
    DOI: 10.1039/B501597A

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