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Production of powderous emulsions

: Wehowski, M.; Weidner, E.; Kilzer, A.


Aubry, J.-M.:
Frontiers in formulation science, Formula V 2007. Selected papers from 5th International Conference on Formulation Technology : November 2007, Potsdam, Germany
Amsterdam: Elsevier, 2008 (Colloids and surfaces. A, Physiochemical and engineering aspects 331.2008, Nr.1-2)
ISSN: 0927-7757
International Conference on Formulation Technology (Formula) <5, 2007, Potsdam>
Conference Paper, Journal Article
Fraunhofer UMSICHT Oberhausen ()
Concentrated Powder Form (CPF); powder production; carbon dioxide; high pressure; emulsion; Pulverherstellung; carbon dioxide; Hochdruck

The concentrated powder form (CPF) process allows the production of liquid-loaded, free-flowing powders. In the process a powderous carrier material is loaded with a liquid by a gas assisted high-pressure spraying process. A powderous emulsion is obtained, if the powderous carrier material is loaded with an emulsion. In this article is shown, how emulsions can be efficiently produced by a new high-pressure homogeniser and how they can be subsequently converted to a powderous emulsion. On the basis of examples it is also presented that powderous emulsions can be released almost unchanged in an adequate fluid.