Issue 17, 2018

Reversible-addition fragmentation chain transfer (RAFT) mediated depolymerization of brush polymers

Abstract

Brush polymers synthesized by reversible-addition fragmentation chain transfer (RAFT) polymerization underwent depolymerization when heated in the absence of initiator. The depolymerizations followed pseudo first order kinetics and reached significant monomer concentrations (ca. 30 mM). RAFT polymerizations confirmed that depolymerizations reached thermodynamic equilibrium and the thermodynamic parameters of polymerization were independent of macromonomer molecular weight. Depolymerized polymers still had active terminal RAFT agents that could reinitiate polymerization, confirming that depolymerization was thermodynamically driven and mediated by the RAFT agent.

Graphical abstract: Reversible-addition fragmentation chain transfer (RAFT) mediated depolymerization of brush polymers

Supplementary files

Article information

Article type
Paper
Submitted
21 Mar 2018
Accepted
01 Apr 2018
First published
03 Apr 2018

Polym. Chem., 2018,9, 2328-2335

Author version available

Reversible-addition fragmentation chain transfer (RAFT) mediated depolymerization of brush polymers

M. J. Flanders and W. M. Gramlich, Polym. Chem., 2018, 9, 2328 DOI: 10.1039/C8PY00446C

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