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doi:10.22028/D291-34059
Title: | Temperature Variation Enables the Design of Biobased Block Copolymers via One‐Step Anionic Copolymerization |
Author(s): | Bareuther, Jennifer Plank, Martina Kuttich, Björn Kraus, Tobias Frey, Holger Gallei, Markus |
Language: | English |
Title: | Macromolecular rapid communications : publishing the newsletters of the European Polymer Federation |
Volume: | 42 |
Issue: | 8 |
Startpage: | 1 |
Endpage: | 9 |
Publisher/Platform: | Wiley |
Year of Publication: | 2021 |
Publikation type: | Journal Article |
Abstract: | A one-pot approach for the preparation of diblock copolymers consisting of polystyrene and polymyrcene blocks is described via a temperature-induced block copolymer (BCP) formation strategy. A monomer mixture of styrene and myrcene is employed. The unreactive nature of myrcene in a polar solvent (tetrahydrofuran) at -78 °C enables the sole formation of active polystyrene macroinitiators, while an increase of the temperature (-38 °C to room temperature) leads to poly(styrene-block-myrcene) formation due to polymerization of myrcene. Well-defined BCPs featuring molar masses in the range of 44-117.2 kg mol-1 with dispersities, Ð, of 1.09-1.21, and polymyrcene volume fractions of 30-64% are accessible. Matrix assisted laser desorption ionization-time of flight mass spectrometry measurements reveal the temperature-controlled polymyrcene block formation, while both transmission electron microscopy and small-angle X-ray scattering measurements prove the presence of clearly microphase-separated, long range-ordered domains in the block copolymers. The temperature-controlled one-pot anionic block copolymerization approach may be general for other terpene-diene monomers. |
DOI of the first publication: | 10.1002/marc.202000513 |
URL of the first publication: | https://onlinelibrary.wiley.com/doi/10.1002/marc.202000513 |
Link to this record: | hdl:20.500.11880/31321 http://dx.doi.org/10.22028/D291-34059 |
ISSN: | 1521-3927 1022-1336 |
Date of registration: | 17-May-2021 |
Faculty: | NT - Naturwissenschaftlich- Technische Fakultät |
Department: | NT - Chemie |
Professorship: | NT - Prof. Dr. Markus Gallei NT - Prof. Dr. Tobias Kraus |
Collections: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
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