Articles | Volume 12, issue 1
https://doi.org/10.5194/jsss-12-175-2023
https://doi.org/10.5194/jsss-12-175-2023
Regular research article
 | 
06 Jun 2023
Regular research article |  | 06 Jun 2023

Investigation of the degree of cross-linking of polyethylene and thermosets using absolute optical spectroscopy and Raman microscopy

Florian Bergmann, Norbert Halmen, Claudia Scalfi-Happ, Dominik Reitzle, Alwin Kienle, Linda Mittelberg, Benjamin Baudrit, Thomas Hochrein, and Martin Bastian

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Latest update: 05 Jun 2026
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Short summary
In this work, the determination of the degree of cross-linking was investigated using absolute optical measurements with an integrating sphere and Raman spectroscopy. PE-Xc, on the basis of HDPE and UHMWPE and various thermosets, was examined. Laboratory methods (e.g. wet chemical analysis, DSC, and DEA) were used for comparison. A good correlation of the results of the optical methods with those of the laboratory methods could be shown and serves as a basis for further investigations.
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