Monomer sequence control via living anionic copolymerization: Synthesis of alternating, statistical, and telechelic copolymers and sequence analysis by MALDI ToF mass spectrometry

Lian R. Hutchings, Paul P. Brooks, David Parker, Jackie A. Mosely, Serkan Sevinc

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)

Abstract

Diphenylethylene (DPE) is a monomer which has attracted significant interest from both academia and industry. DPE can undergo (co)polymerization by living anionic polymerization but is incapable of forming a homopolymer due to steric hindrance. Herein the copolymerization of DPE and 1,1-bis(4-tert-butyldimethylsiloxyphenyl)ethylene (DPE-OSi) with styrene or butadiene is described in order to produce (functional) copolymers with controlled comonomer sequences-either alternating or telechelic. The copolymer sequences are inherently controlled by relative reactivity ratios, which in turn can be tuned by both monomer structure and the polarity of the polymerization solvent. The compositions of the copolymers prepared in this study were analyzed by 1H NMR spectroscopy and MALDI ToF mass spectrometry, the latter offering a unique opportunity to demonstrate perfect alternating sequences and insight into other sequences such as telechelic polymers.

Original languageEnglish
Pages (from-to)610-628
Number of pages19
JournalMacromolecules
Volume48
Issue number3
DOIs
Publication statusPublished - 10 Feb 2015

Bibliographical note

Publisher Copyright:
© 2015 American Chemical Society.

Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.

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