Conference,

Regenerative Thermoplastic Polyurethane for Hydraulic Rod Seals – Time-Accelerated Testing

, , , , and .
(12.-13. Oktober 2022)733.
DOI: 10.61319/BA0SZ3P9

Abstract

In a joint research project within the ZIM programme, sustainable high performance TPUs (thermo-plastic polyurethane) for hydraulic rod seal rings were developed by replacing conventional raw materials with regenerative biogenic structural components. Hydraulic rod seal rings were manufactured from these biogenic materials and time-accelerated tested to analyse their extrusion and wear behaviour. This paper shows the developed test methods as well as the results obtained with these. In all tests, various TPU prototypes were used in combination with the hydraulic fluids intended for this purpose (water-based, rapidly biodegradable). The prototype seal rings manufactured of the new developed regenerative TPU compounds were comparable to non-regenerative TPU compounds regarding their functional behaviour.

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