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Aufschmelzen von Polymeren in gleichläufigen Doppelschneckenextrudern

Melting of polymers in co-rotating twin screw extruders
 
: Knieper, Alexander; Spohr, G.; Beinert, Christian

GAK. Gummi, Fasern, Kunststoffe 66 (2013), No.8, pp.532-537
ISSN: 0176-1625
German
Journal Article
Fraunhofer LBF ()
Polymer; Doppelschneckenextruder

Abstract
A test stand to observe movement and deformation of thermoplastic polymers in a cross-section of the plastification zone of a co-rotating twin screw extruder is presented. Multiple experiments to examine the initial melting processes as a function of different process parameters such as rotational speed, temperature, kneading disk configuration, thermoplastic materials, granule size and filling degree were conducted. The analysis was accomplished by means of high-speed imaging. Hereby it was possible to gain insights into the significant influence parameters of the initial melting behaviour of thermoplastics during processing in a corotating twin screw extruder for the first time.

: http://publica.fraunhofer.de/documents/N-264536.html