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Sophorolipid-Based Oligomers as Polyol Components for Polyurethane Systems

  • Due to reasons of sustainability and conservation of resources, polyurethane (PU)-based systems with preferably neutral carbon footprints are in increased focus of research and development. The proper design and development of bio-based polyols are of particular interest since such polyols may have special property profiles that allow the novel products to enter new applications. Sophorolipids (SL) represent a bio-based toolbox for polyol building blocks to yield diverse chemical products. For a reasonable evaluation of the potential for PU chemistry, however, further investigations in terms of synthesis, derivatization, reproducibility, and reactivity towards isocyanates are required. It was demonstrated that SL can act as crosslinker or as plasticizer in PU systems depending on employed stoichiometry. (ω-1)-hydroxyl fatty acids can be derived from SL and converted successively to polyester polyols and PU. Additionally, (ω-1)-hydroxyl fatty acid azides can be prepared indirectly from SL and converted to A/B type PU by Curtius rearrangement.

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Metadaten
Verfasserangaben:Maresa Sonnabend, Suzanne G. Aubin, Annette M. Schmidt, Marc C. Leimenstoll
URN:urn:nbn:de:hbz:832-epub4-17110
DOI:https://doi.org/10.3390/polym13122001
ISSN:2073-4360
Titel des übergeordneten Werkes (Englisch):Polymers
Verlag:MDPI
Dokumentart:Wissenschaftlicher Artikel
Sprache:Englisch
Datum des Hochladens:29.10.2021
GND-Schlagwort:Polyole; Polyurethane
Freies Schlagwort / Tag:bio-based; hydroxyl fatty acid based polyols; platform chemicals; polyol; polyurethane; sophorolipid-based polyols
Jahrgang:13
Ausgabe / Heft:12
Aufsatznummer:2001
Seitenzahl:19
Fakultäten und Zentrale Einrichtungen:Angewandte Naturwissenschaften (F11)
DDC-Sachgruppen:500 Naturwissenschaften und Mathematik
Lizenz (Deutsch):License LogoCreative Commons - CC BY - Namensnennung 4.0 International