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Device for non-disruptive taking of melt samples from a compounding process and direct injection molding

 
: Eloo, Christina; Wack, Holger; Schwarz, Martin; Landers, Michael

:

Polymer testing 85 (2020), Art. 106427, 6 pp.
ISSN: 0142-9418
English
Journal Article
Fraunhofer UMSICHT Oberhausen ()
compound; material testing; thermoplastics; injection molding; polymer melt; in-line

Abstract
A concept for taking a sample from a polymer melt stream plus the direct processing of this melt to specimen is presented. Therefore, a melt sampling and direct injection molding (MSIM) device was developed. Process parameters were studied and the set-up was implemented successfully. Using the MSIM device, different thermoplastics were processed and provided specimen characterized. The mechanical material properties from samples of the MSIM process show a good consistency compared with data from conventional processes. The MSIM device can be used in production processes for quality control, e.g. color or mechanical properties, as well as in the field of research and development to reduce development cycles.

: http://publica.fraunhofer.de/documents/N-578028.html