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Fabrication of diverse multicompartment micelles by redispersion of triblock terpolymer bulk morphologies

Title data

Quintieri, Giada ; Schlattmann, Daniel ; Schönhoff, Monika ; Gröschel, André H.:
Fabrication of diverse multicompartment micelles by redispersion of triblock terpolymer bulk morphologies.
In: Nanoscale. Vol. 14 (2022) Issue 35 . - pp. 12658-12667.
ISSN 2040-3372
DOI: https://doi.org/10.1039/D2NR03874A

Abstract in another language

Redispersing block copolymer (BCP) bulk films in selective solvents is a simple and efficient method to prepare BCP micelles and polymersomes. While ABC triblock terpolymers are known to form multicompartment micelles (MCMs) with intricate nanoarchitecture, this is typically done by solvent exchange instead of redispersion of bulk films despite obvious advantages of greatly reduced solvent usage. Here, we provide guidelines on how to form MCMs with defined shapes and inner structure through direct redispersion of terpolymer bulk morphologies in selective plasticizing solvents. For this purpose, we redisperse a series of polystyrene-b-polybutadiene-b-poly(tert-butyl methacrylate) (PS-b-PB-b-PT) triblock terpolymers in acetone/isopropanol mixtures, where PT is always soluble, PB always insoluble, and PS will range from soft (high acetone content) to kinetically frozen (high isopropanol content). We investigate the effect of solvent mixtures, block composition, and thermal annealing on MCM shape and core morphology. Additionally, we performed terpolymer blend experiments to open up a simple route to further diversify the range of accessible MCM morphologies.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Research Institutions > Central research institutes > Bayerisches Zentrum für Batterietechnik - BayBatt
Research Institutions
Research Institutions > Central research institutes
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Polymer Materials for Electrochemical Storage > Chair Polymer Materials for Electrochemical Storage - Univ.-Prof. Dr. André Gröschel
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 27 Jul 2023 11:46
Last Modified: 02 Aug 2023 07:53
URI: https://eref.uni-bayreuth.de/id/eprint/86376