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    <title>Renewable polymers for adhesives from levulinic acid and polyester upcycling</title>
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    <namePart>Vries, Johannes G. de</namePart>
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    <namePart>Beller, Matthias</namePart>
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    <namePart>Meier, Michael A. R.</namePart>
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  <abstract type="Summary">Diese Dissertation beschreibt die Entwicklung neuartiger Polymere und Oligomere ausgehend von Derivaten (1,4-pentandiol, 2-Methyltetrahydrofuran, α-Angelicalacton) der bio-basierten Plattformchemikalie Lävulinsäure. Polyurethane basierend auf 1,4-PDO-Polyesterpolyolen zeigten Formgedächtnis-Eigenschaften. Ebenso wurde ein Verfahren für die Copolymerisation von 2-MeTHF und Propylenoxid entwickelt und der Polymerisationsmechanismus untersucht. Im zweiten Teil der Arbeit wurde ein Protokoll für das Upcycling von Polyestern mittels Hydrogenierung zu Polyetherpolyolen entwickelt.&lt;ger&gt;</abstract>
  <abstract type="Summary">This dissertation describes the development of novel polymers and oligomers based on derivatives (1,4-pentanediol, 2-methyltetrahydrofuran, α-angelicalactone) of the bio-based platform chemical levulinic acid. Polyurethanes based on 1,4-PDO polyester polyols showed shape memory properties. A process for the copolymerization of 2-MeTHF and propylene oxide was developed and the polymerization mechanism investigated. In the second part of the thesis a protocol for the upcycling of polyesters by hydrogenation to polyether polyols was developed.&lt;eng&gt;</abstract>
  <note type="statement of responsibility">vorgelegt von Bernhard Michael Hermann Stadler</note>
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  <note>GutachterInnen: Johannes Gerardus de Vries (Universität Rostock, Leibniz Institut für Katalyse (LIKAT)) ; Matthias Beller (Universität Rostock, Leibniz Institut für Katalyse (LIKAT)) ; Michael A. R. Meier (Karlsruher Institut für Technologie (KIT))</note>
  <note type="thesis">Dissertation Universität Rostock 2020 Kumulative Dissertation</note>
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      <title>Renewable polymers for adhesives from levulinic acid and polyester upcycling</title>
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      <namePart>Stadler, Bernhard Michael Hermann, 1989 - </namePart>
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