Living atom transfer radical polymerization of 4-acetoxystyrene

Bo Gao, Xianyi Chen, Bela Ivan, Jørgen Kops, Walther Batsberg

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Living atom transfer radical polymerization (ATRP) of 4-acetoxystyrene (1), a protected 4-vinylphenol, leading to poly(4-acetoxystyrene) with well-defined molecular weight and narrow molecular weight distribution was carried out in bulk with a,a'-dibromoxylene(2)/CuBr/2,2-bipyridine(bpy) as initiating system. A linear (M) over bar(n), versus monomer conversion plot was found in good accordance with the theoretical line, indicating 100% initiating efficiency. The polymerization is first order in respect to monomer up to about 70% monomer conversion. Deviations from linearity at higher conversion in the first order plot are due to physical effects, i.e., to the increase of the viscosity of the reaction medium. The resulting 1-bromo-1-phenylethyl-telechelic poly(4-acetoxystyrene) (3) is a precursor of the hydrophilic poly(4-vinylphenol) and a potential new macroinitiator.
Original languageEnglish
JournalMacromolecular Rapid Communications
Volume18
Issue number12
Pages (from-to)1095-1100
ISSN1022-1336
DOIs
Publication statusPublished - 1997

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