Title: Raw Material Characterization of Apparently Similar Rubber Parts Using Multiple Modes of Pyrolysis-GC/MS

Authors: Rojin Belganeh and Itsuko Iwai

DOI: 10.33599/nasampe/c.19.0642

Abstract: Polymeric products are often complex and frequently include components from several sources and suppliers. The formulation details of the polymer parts are often not known to the manufacturer. Companies in later stages in the supply chain may have even less information on components in the final formulations. Therefore, the same part number at a point in the supply chain can result in a polymer part that is not made with the same formulation, yet the apparent polymer properties may seem to be equivalent. After usage by a company or customer, a failure analysis may be required to determine the chemical details of the item. In this work, Pyrolysis-GC/MS is used in multiple modes to characterize a set of rubber parts that seem approximately similar. The results reveal significant differences in chemical composition. Similar results can be used to monitor the chemistry and part quality at the manufacturing point in the supply chain to reduce future variability in parts failure. After usage, the same techniques can be used to understand the chemistry differences and the possible reasons for the failure.

This presentation demonstrates the capabilities of Pyrolysis technique with Gas Chromatography-Mass Spectrometry. Multiple pyrolyzer modes, such as Evolved Gas Analysis (EGA) and Heart Cutting (HC) analyses will be performed to characterize the differences between the rubber samples.

References: 1. I. Iwai. (2018). Analysis of Four NBR Rubber Samples. Frontier Laboratories. 2. Multi-Shot Pyrolyzer. (2013). Retrieved from http://www.frontier-lab.com/catalog/en/PY-3030D_E.pdf 3. Pyrolysis. (2019). Retrieved from http://www.frontier-lab.com/english/pyrolysis/ 4. Multi-Functional Pyrolysis System. (2019). Retrieved from http://www.frontier-lab.com/english/multi-functional-pyrolysis-system/ 5. Evolved Gas Analysis (EGA). (2019). Retrieved from http://www.frontier lab.com/english/evolved-gas-analysis/

Conference: CAMX 2019

Publication Date: 2019/09/23

SKU: TP19-0642

Pages: 14

Price: $28.00