Cooligomers from morpholine-2,5-dione and para-dioxanone and catalyst complex SnOct(2)/2-hydroxyethyl sulfide
- Complexes from catalysts and initiator can be used to insert a specific number of additional chemical functional groups in (co)polymers prepared by ring-opening polymerization (ROP) of lactones. We report on the synthesis of cooligomers from sec-butyl-morpholine-2,5-dione (SBMD) and para-dioxanone (PDX) by ROP with varied feed ratios in the bulk using the catalyst complex SnOct(2)/2-hydroxyethyl sulfide. M-n of the cooligomers (determined by GPC) decreased with decreasing SBMD feed ratio from 4200 +/- 420 to 800 +/- 80 g mol(-1). When the feed ratio was reduced from 80 to 50 mol% the molar ratio of SBMD of the cooligomers (determined by H-1-NMR) remained nearly unchanged between 81 and 86 mol% and was attributed to a higher reactivity of SBMD. This assumption was confirmed by fractionation of GPC, in which an increase of SBMD with increasing molecular weight was observed. The catalyst/initiator system provides a high potential to create orthogonal building blocks by cleavage of the sulfide bond.
Verfasserangaben: | Xiao Liang, Marc BehlORCiDGND, Karola LützowGND, Andreas LendleinORCiDGND |
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DOI: | https://doi.org/10.1557/s43580-021-00082-5 |
ISSN: | 2059-8521 |
Titel des übergeordneten Werks (Englisch): | MRS advances : a journal of the Materials Research Society (MRS) |
Verlag: | Springer |
Verlagsort: | Heidelberg |
Publikationstyp: | Wissenschaftlicher Artikel |
Sprache: | Englisch |
Datum der Erstveröffentlichung: | 22.07.2021 |
Erscheinungsjahr: | 2021 |
Datum der Freischaltung: | 09.06.2023 |
Band: | 6 |
Ausgabe: | 32 |
Seitenanzahl: | 5 |
Erste Seite: | 764 |
Letzte Seite: | 768 |
Fördernde Institution: | Helmholtz AssociationHelmholtz Association; Helmholtz Graduate School for Macromolecular Bioscience [VH-GS-503] |
Organisationseinheiten: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie |
DDC-Klassifikation: | 5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften |
Peer Review: | Referiert |
Publikationsweg: | Open Access / Hybrid Open-Access |
Lizenz (Deutsch): | ![]() |