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Degradable, Dendritic Polyols on a Branched Polyphosphazene Backbone
journal contribution
posted on 2018-02-23, 00:00 authored by Anne Linhardt, Michael König, Aitziber Iturmendi, Helena Henke, Oliver Brüggemann, Ian TeasdaleHerein,
we present the design, synthesis, and characterization
of fully degradable, hybrid, star-branched dendritic polyols. First
multiarmed polyphosphazenes were prepared as a star-branched scaffold
which upon functionalization produced globular branched hydroxyl-functionalized
polymers with over 1700 peripheral functional end groups. These polyols
with unique branched architectures could be prepared with controlled
molecular weights and relatively narrow dispersities. Furthermore,
the polymers are shown to undergo hydrolytic degradation to low molecular
weight degradation products, the rate of which could be controlled
through postpolymerization functionalization of the phosphazene backbone.
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First multiarmed polyphosphazenescharacterizationdegradablestar-branched scaffoldstar-branched dendritic polyolsphosphazene backboneDendritic Polyolspostpolymerization functionalizationglobularhydrolytic degradationweight degradation productssynthesishydroxyl-functionalized polymersend groupsdispersitieDegradableBranched Polyphosphazene Backbone Herein
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