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One-pot synthesis of amphiphilic multiblock poly(2-oxazoline)s via para-fluoro-thiol click reactions
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Zhao, Tieshuai, Drain, Ben, Yilmaz, Gokhan and Becer, C. Remzi (2021) One-pot synthesis of amphiphilic multiblock poly(2-oxazoline)s via para-fluoro-thiol click reactions. Polymer Chemistry, 12 (44). pp. 6392-6403. doi:10.1039/d1py00944c ISSN 1759-9954.
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WRAP-One-pot-synthesis-amphiphilic-multiblock-poly(2-oxazoline)s-via-para-fluoro-thiol-click-reactions-Becer-2021.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial. Download (3349Kb) | Preview |
Official URL: https://doi.org/10.1039/d1py00944c
Abstract
A clickable initiator, pentafluoro benzyl bromide, has been investigated for the cationic ring opening polymerization of poly(2-oxazolines). Additionally, the clickable alpha end group was then utilized in a para-fluoro-thiol click reaction to synthesise linear diblock, tetrablock, multiblock copolymers as well as star shaped poly(2-oxazoline)s using dithiol compounds as terminating agents. Thus, a one-pot approach combining the para-fluoro-thiol click reaction and direct termination of the poly(2-oxazoline) living chain end with 4,4-thiobisbenzenethiol has been performed to prepare multiblock copolymers of poly(2-ethyl-2-oxazoline) (PEtOx) and poly((2-ethyl-2-oxazoline)-b-(2-methyl-2-oxazoline) (PEtOx-mb-PMeOx). All obtained polymers were characterized by Size Exclusion Chromatography (SEC), 1H Nuclear Magnetic Resonance (NMR) and Matrix-Assisted Laser Desorption/Ionization-Time of Flight (MALDI-ToF) mass spectrometry. Last but not least, the self-assembly properties of prepared amphiphilic polymers were studied with DLS and TEM. Nanoparticles with a diameter ranging from 184 nm to 250 nm were observed in TEM for PEtOx-mb-PMeOx copolymers.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QD Chemistry | |||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | |||||||||
| SWORD Depositor: | Library Publications Router | |||||||||
| Library of Congress Subject Headings (LCSH): | Block copolymers -- Synthesis | |||||||||
| Journal or Publication Title: | Polymer Chemistry | |||||||||
| Publisher: | Royal Society of Chemistry | |||||||||
| ISSN: | 1759-9954 | |||||||||
| Official Date: | 28 November 2021 | |||||||||
| Dates: |
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| Volume: | 12 | |||||||||
| Number: | 44 | |||||||||
| Page Range: | pp. 6392-6403 | |||||||||
| DOI: | 10.1039/d1py00944c | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||
| Date of first compliant deposit: | 6 December 2021 | |||||||||
| Date of first compliant Open Access: | 7 December 2021 | |||||||||
| RIOXX Funder/Project Grant: |
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