Issue 32, 2021

Changing the structural and physical properties of 3-arm star poly(δ-valerolactone)s by a branch-point design

Abstract

The chemical structure of a branch point of star-shaped polymers has been considered to have a small influence on the physical properties of the entire polymer. Contrary to this general notion, here we show that a 3-arm star polymer, composed of three poly(δ-valerolactone) arms extended from one side of a triptycene branch point, exhibits a remarkably high complex viscosity, compared to the analogous star-shaped polymers with a branch point of a triptycene isomer or triphenylethane.

Graphical abstract: Changing the structural and physical properties of 3-arm star poly(δ-valerolactone)s by a branch-point design

Supplementary files

Article information

Article type
Communication
Submitted
27 Feb 2021
Accepted
16 Mar 2021
First published
16 Mar 2021

Chem. Commun., 2021,57, 3901-3904

Changing the structural and physical properties of 3-arm star poly(δ-valerolactone)s by a branch-point design

H. Ogiwara, F. Ishiwari, T. Kimura, Y. Yamashita, T. Kajitani, A. Sugimoto, M. Tokita, M. Takata and T. Fukushima, Chem. Commun., 2021, 57, 3901 DOI: 10.1039/D1CC01092A

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