Issue 31, 2015

A convenient synthesis strategy for microphase-separating functional copolymers: the cyclohydrocarbosilane tool box

Abstract

A novel and feasible strategy for the preparation of functional polyhydrocarbosilane-based homo and block copolymers is described via a combination of anionic ring-opening polymerization of methylsilacyclobutane (MSB) and styrene followed by postmodification applying hydrosilylation protocols. Sterically demanding and functional vinyl compounds such as N-vinylcarbazole (NVC), vinylferrocene (VFc), and 9,10-di(1-naphthalenyl)-2-vinylanthracene (VADN) are block-selectively incorporated into the PMSB backbone with adjustable functional group contents between 26 mol% to 43 mol% with respect to the Si–H functionalities for the PMSB homopolymers and contents ranging from 28 mol% to 63 mol% for the corresponding diblock copolymers as evidenced by 1H NMR spectroscopy. The novel functional diblock copolymers are capable of undergoing microphase separation as shown via TEM.

Graphical abstract: A convenient synthesis strategy for microphase-separating functional copolymers: the cyclohydrocarbosilane tool box

Supplementary files

Article information

Article type
Paper
Submitted
16 Jan 2015
Accepted
16 Feb 2015
First published
17 Feb 2015
This article is Open Access
Creative Commons BY-NC license

Polym. Chem., 2015,6, 5653-5662

A convenient synthesis strategy for microphase-separating functional copolymers: the cyclohydrocarbosilane tool box

V. Rittscher and M. Gallei, Polym. Chem., 2015, 6, 5653 DOI: 10.1039/C5PY00065C

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