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Journal of Plastics Technology 2014/05

Investigations on a plasma polymeric mould coating for the release agent-free demoulding of PU parts

Investigations on a plasma polymeric mould coating for the release agent-free demoulding of PU parts

In the discontinuous production of moulded polyurethane parts the use of external or internal release agents is inevitable, but reduces the efficiency of the production process considerably. This paper describes the development of a permanent plasma polymeric release coating based on hexamethyldisiloxane for the release agent-free production of PU-parts. Here, a method is presented, which measures the resulting demoulding forces quantitatively and allows a comprehensive assessment of the release properties. While the demoulding forces are high compared to conventional release agents, additionally the failure mechanism is investigated.

Prof. Dr.-Ing. Christian Hopmann, Dipl.-Ing. Alexander Pauling,Dipl.-Ing. Christian Holz
Institut für Kunststoffverarbeitung an der RWTH Aachen

Dr. Klaus Vissing Fraunhofer
Institut für Fertigungstechnik und Angewandte Materialforschung

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The Journal

The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)


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International Polymer Processing

International Polymer Processing, the journal of the Polymer Processing Society, is a discussion forum for the world-wide community of engineers and scientists in the field of polymer processing.

The journal covers research and industrial application in the very specific areas of designing polymer products, processes, processing machinery and equipment.


International Polymer Processing


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The Journal of Plastics Technology is indexed in SCOPUS, the largest abstract and citation database of peer-reviewed literature.