Degradable graft copolymers by ring-opening and reverse addition–fragmentation chain transfer polymerization

Literature Information

Publication Date 2012-05-24
DOI 10.1039/C2PY20213A
Impact Factor 5.582
Authors

Rebecca J. Williams, Rachel K. O'Reilly, Andrew P. Dove


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Abstract

The synthesis and controlled ring-opening polymerization (ROP) of a six membered cyclic carbonate monomer with pendant reversible addition–fragmentation chain transfer (RAFT) functionality is reported. The growth of fast propagating monomers (methyl acrylate, tetrahydropyran acrylate and N-isopropylacrylamide) from the obtained RAFT-functional poly(carbonate)s resulted in the formation of well-defined graft copolymers with a biodegradable backbone, when grafting was terminated at low monomer conversions (ca. 30%). Direct dissolution of the thermally responsive poly(carbonate)-graft-PNiPAm copolymer yielded spherical micelles as confirmed by DLS and TEM analysis.

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Polymer Chemistry

Polymer Chemistry
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