Issue 12, 2019

Synthesis of a cyclic poly(methyl acrylate) via topological transformation of a [1]rotaxane

Abstract

Even today, obtaining a cyclic polymer in pure form remains difficult. This paper discloses a synthetic protocol for a vinyl polymer-type cyclic polymer in pure form. A linear macromolecular [1]rotaxane containing a poly(methyl acrylate) (PMA, Mn,NMR 3200) axle and a crown ether wheel was synthesized via the terminal modification of PMA with a semi[2]rotaxane unit and subsequent linking of the wheel and axle components. The positional change of the wheel from the initial to opposite end on the PMA axle comprised the preparation of pure cyclic PMA via an efficient linear-to-cyclic polymer topological transformation.

Graphical abstract: Synthesis of a cyclic poly(methyl acrylate) via topological transformation of a [1]rotaxane

Supplementary files

Article information

Article type
Research Article
Submitted
04 চেপ্টে 2019
Accepted
15 অক্টো 2019
First published
16 অক্টো 2019

Mater. Chem. Front., 2019,3, 2716-2720

Author version available

Synthesis of a cyclic poly(methyl acrylate) via topological transformation of a [1]rotaxane

K. Nakazono, T. Ogawa and T. Takata, Mater. Chem. Front., 2019, 3, 2716 DOI: 10.1039/C9QM00563C

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