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Ultrasonic Degradation of Polystyrene for Tailoring Molecular Weight and Polydispersity of Polystyrene Fragments [in press]

Zimmermann, Jana; Kruppa, David; Fischlschweiger, Michael; Beuermann, Sabine; Enders, Sabine

Abstract:
Ultrasonic degradation of polymers attracts more and more attention in the field of chemical recycling of polymers due to the promising opportunity to tailor molecular weight and polydispersity of the gained polymer fragments. In this work, the influence of solvent, gas atmosphere, and ultrasound amplitude on the ultrasonic degradation process of polystyrene is investigated. Therefore, an experimental procedure to perform ultrasonic degradation of polystyrene under homogeneous temperature conditions in the solvents cyclohexane and toluene under the gas atmospheres CO$_{2}$ and N$_{2}$ for different ultrasonic amplitudes was designed. It could be shown that a significant effect on the molecular weight and polydispersity of the polymer could only be revealed for N$_{2}$ and not for CO$_{2}$ atmosphere.

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Verlagsausgabe §
DOI: 10.5445/IR/1000127688
Veröffentlicht am 16.12.2020
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Technische Thermodynamik und Kältetechnik (ITTK)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2020
Sprache Englisch
Identifikator ISSN: 0009-286X, 1522-2640
KITopen-ID: 1000127688
Erschienen in Chemie - Ingenieur - Technik
Verlag Wiley-VCH Verlag
Band 93
Heft 1-2
Vorab online veröffentlicht am 24.11.2020
Nachgewiesen in Scopus
Web of Science
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