Devolatilization of polymers by diffusion and foaming

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dc.identifier.uri http://dx.doi.org/10.15488/2999
dc.identifier.uri http://www.repo.uni-hannover.de/handle/123456789/3029
dc.contributor.author Gestring, Ingo
dc.contributor.author Mewes, Dieter
dc.date.accessioned 2018-02-28T14:00:56Z
dc.date.available 2018-02-28T14:00:56Z
dc.date.issued 2002
dc.identifier.citation Gestring, I.; Mewes, D.: Devolatilization of polymers by diffusion and foaming. In: Journal of Reinforced Plastics and Composites 21 (2002), Nr. 5, S. 409-418. DOI: https://doi.org/10.1177/0731684402021005441
dc.description.abstract Devolatilization is a key step in polymer processing. Low-molecular-weight components are removed from a polymeric system. The transport of these components takes place by diffusion to the polymer-vapor interface. This interface can be formed by free surfaces of single-phase polymer melts or by bubbles. In this study the transport with and without bubble nucleation is investigated independently from each other in a specially designed apparatus. The mass transport in thin films and in rotating pools with surface renewal is measured. High surface renewal rates and thick films enhance the mass transfer for single phase flow. For two phase flow and devolatilization the conditions for bubble nucleation and foam formation are investigated. The bubble nucleation is observed in the rotating pool in the area of high shear velocity. eng
dc.language.iso eng
dc.publisher London : SAGE Publications Ltd.
dc.relation.ispartofseries Journal of Reinforced Plastics and Composites 21 (2002), Nr. 5
dc.rights Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden. Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
dc.subject Diffusion eng
dc.subject Interfaces (materials) eng
dc.subject Mass transfer eng
dc.subject Molecular weight eng
dc.subject Nucleation eng
dc.subject Thick films eng
dc.subject Thin films eng
dc.subject Devolatilization eng
dc.subject Foaming eng
dc.subject Polymers eng
dc.subject.ddc 620 | Ingenieurwissenschaften und Maschinenbau ger
dc.subject.ddc 660 | Technische Chemie ger
dc.title Devolatilization of polymers by diffusion and foaming eng
dc.type article
dc.type Text
dc.relation.issn 0731-6844
dc.relation.doi https://doi.org/10.1177/0731684402021005441
dc.bibliographicCitation.issue 5
dc.bibliographicCitation.volume 21
dc.bibliographicCitation.firstPage 409
dc.bibliographicCitation.lastPage 418
dc.description.version publishedVersion
tib.accessRights frei zug�nglich


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