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  Stimuli-responsive aggregation of high molar mass poly(N,N-diethylacrylamide)-b-poly(4-acryloylmorpholine) in tetrahydrofuran

Plucinski, A., Pavlović, M., Clarke, M., Bhella, D., & Schmidt, B. V. K. J. (2022). Stimuli-responsive aggregation of high molar mass poly(N,N-diethylacrylamide)-b-poly(4-acryloylmorpholine) in tetrahydrofuran. Macromolecular Rapid Communications, 43(3): 2100656. doi:10.1002/marc.202100656.

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 Creators:
Plucinski, Alexander, Author
Pavlović, Marko1, Author              
Clarke, Mairi, Author
Bhella, David, Author
Schmidt, Bernhard V. K. J., Author
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1Lukas Zeininger, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_3179204              

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Free keywords: block copolymers, high molecular weight, reversible deactivation radical polymerization, self assembly, stimuli responsive polymers
 Abstract: The self-assembly of block copolymers constitutes a timely research area in polymer science with implications for applications like sensing or drug-delivery. In here, we investigate the unprecedented aggregation behaviour of high molecular weight block copolymer poly(N,N-diethylacrylamide)-b-poly(4-acryloylmorpholine) (PDEA-b-PAM) (Mn>400 kg/mol) in organic solvent tetrahydrofuran (THF). To elucidate the aggregation, dynamic light scattering, cryo transmission electron microscopy and turbidimetry were employed. The aggregate formation was assigned to the unprecedented upper critical solution temperature behaviour of PAM in THF at elevated concentration (> 6 wt%) and high molar masses. Various future directions for this new thermo-responsive block copolymer are envisioned, e.g. in the areas of photonics or templating of inorganic structures. This article is protected by copyright. All rights reserved

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Language(s): eng - English
 Dates: 2021-11-152022
 Publication Status: Published in print
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 Identifiers: DOI: 10.1002/marc.202100656
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Title: Macromolecular Rapid Communications
Source Genre: Journal
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Publ. Info: Weinheim, Germany : Wiley-VCH
Pages: - Volume / Issue: 43 (3) Sequence Number: 2100656 Start / End Page: - Identifier: ISSN: 1022-1336