Title: Functionalization of aerogel particles by coating in a spouted bed
Language: English
Authors: Goslinska, Monika 
Seltner, Ilka 
Smirnova, Irina 
Heinrich, Stefan 
Issue Date: 22-Apr-2018
Source: Particle-Based Separations: Fundamentals and Applications 2018 - Topical at the 8th World Congress on Particle Technology: 160-164 (2018-01-01)
Journal or Series Name: Particle-Based Separations: Fundamentals and Applications 2018 - Topical at the 8th World Congress on Particle Technology 
Abstract (english): © 2018 Non-CURRAN-CONFERENCE. All rights reserved. Aerogels are porous and light-weighting materials with high specific surface area. Due to their properties they have been investigated as carriers of active ingredients. However, open pore structure limits their application because of changing their structure when they are exposed to liquids. Therefore, there is a protective layer on the surface of the aerogels needed, which preserves loaded drug or enables storage in liquid containing media. Furthermore, the knowledge of thickness of the applied coating layer is essential in order to predict the storage or release behavior. In this work a novel technique for measurement of coating layer thickness of fine particles is presented. This method is based on cross-sectioning of single coated particles in micrometer size range with focused ion beam (FIB). This technique has been tested on two batches of produced aerogel particles coated with thin coating layers in a spouted bed.
URI: http://hdl.handle.net/11420/2107
ISBN: 978-151086967-7
Institute: Thermische Verfahrenstechnik V-8 
Feststoffverfahrenstechnik und Partikeltechnologie V-3 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
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