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Functional multisite copolymer by one-pot sequential RAFT copolymerization of styrene and maleic anhydride

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Moriceau, Guillaume, Gody, Guillaume, Hartlieb, Matthias, Winn, Joby, Kim, HyungSoo, Mastrangelo, Antonio, Smith, Timothy and Perrier, Sébastien (2017) Functional multisite copolymer by one-pot sequential RAFT copolymerization of styrene and maleic anhydride. Polymer Chemistry, 8 (28). pp. 4152-4161. doi:10.1039/C7PY00787F

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Official URL: http://dx.doi.org/10.1039/C7PY00787F

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Abstract

A Multisite copolymer with functionalizable units inserted at precise locations was synthesised by one-pot Reversible Addition–Fragmentation Chain-Transfer (RAFT) polymerization and sequential Single Monomer Unit Insertion (SMUI) and Chain Extension (ChainExt) using Styrene (Sty) and Maleic Anhydride (MAnh) as comonomers. The multisite copolymer was based on a polystyrene (PSty) backbone (ca. 5700 g mol−1) with MAnh units inserted locally at four positions in the backbone. First, a well-defined macroCTA (1400 g mol−1 – Đ = 1.07) was synthesised by optimized RAFT polymerization (high conversion, high livingness and low dispersity) of styrene (DP = 10) using industrial grade butyl-2-methyl-2-[(dodecylsulfanylthiocarbonyl)sulfanyl] propionate as chain transfer agent (CTA-Ester – 80% pure). Subsequently, the polystyrene macroCTA was used for one-pot SMUI using a small excess of MAnh monomer (DPtarget = 1.5). The copolymer was chain extended by styrene leading to a polystyrene backbone with MAnh units (1.5 in average) located in the middle of the chain. By repeating SMUI and ChainExt, several units of MAnh were inserted locally along the polystyrene backbone (every 10 units on average) to give a functionalizable multisite copolymer (Đ = 1.35). Long alkyl chains (stearyl) were added by esterification of maleic anhydride moieties to obtain branched architecture.

Item Type: Journal Article
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Science > Chemistry
Library of Congress Subject Headings (LCSH): Styrene, Maleic anhydride, Addition polymerization, Fragmentation reactions
Journal or Publication Title: Polymer Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1759-9954
Official Date: July 2017
Dates:
DateEvent
July 2017Published
22 June 2017Available
22 June 2017Accepted
Volume: 8
Number: 28
Page Range: pp. 4152-4161
DOI: 10.1039/C7PY00787F
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Deutsche Forschungsgemeinschaft (DFG)
Grant number: DFG GZ: HA7725/1-1

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