Bruggolen TP-H2217 belongs to a new class of electrically neutral thermostabilisers from Brüggemann. Specially developed for reinforced and unreinforced aliphatic polyamides with metal- and halogen-free flame retardancy requirements, it ideally meets the needs of electrical and electronic applications, including those of e-mobility. Despite its high efficiency it neither has a corrosive effect on metallic components such as over-moulded sensors, nor does it influence the electrical properties of the polymer it is protecting in any significant way.

The high efficiency of long-term stabilisation is demonstrated by the example of a PA 6.6-GF30. After 8,000 hours of heat storage at 170 °C, the tensile strength values are still over 50%.

A key requirement of any additives used in e-mobility applications is that the flame retardancy properties of those applications are not harmed. Bruggolen TP-H2217 is neutral in this respect as is Brüggemann’s new flow enhancer, Bruggolen TP-P2201, which is used to process glass-fibre reinforced polyamides into thin-walled and complex components with long flow paths.

"With Bruggolen TP-H2217, compounders can for the first time produce polyamide materials that combine a UL94 V-0 classification, electrical neutrality as well as permanent heat resistance at elevated temperatures, and are thus specially tailored to the increased requirements of e-mobility. With this combination, which neither phenol- nor amine-based grades can offer, Brüggemann raises the bar for thermo-stabilisers by a considerable margin", Kristina Frädrich, Product Manager at Brüggemann, commented.

Bruggolen TP-H2217 is available as an easy-to-process masterbatch in granular form, with a level of 3% proving sufficient for many applications in laboratory trials.