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POLYAMIDES | ADDITIVES


Above: Many automotive EV applications require combinations of thermal endurance, flame retardance and colour stability


combination of additives, such as its Bruggolen P31 powerful one-pack. Looking ahead, Bruggolen TP-H1804 is a close-to-launch copper-based stabiliser system intended to close the heat stabilisation gap between 180-200°C. Brüggemann says it will outperform current stabilisers with significantly enhanced efficiency in this high to very high temperature range. Other new additives planned for the near future include halogen-free flame retardants for E&E that will tackle some of the drawbacks of currently available products, as well as a new additive solution for maintaining the orange colour (RAL 2003) for high voltage connec- tors and battery terminals.


Driven by automotive The market for polyamides, while recuperating after the automotive downturn, will continue to be driven by developments in transportation whether


for internal combustion, electric or hybrid vehicles, according to the Polymer Additives Team at Clariant. In addition, it is expected that the use of polyamides in household appliances will continue to increase because of the technical performance such compounds can offer over other polymer materials and due to their versatility and high performance, which will see PA compounds replace other polymer-materials such as PBT. Among the more significant development trends, Clariant expects to see the introduction of new PA grades with better thermal stability and reduced water uptake, along with growth in partially bio- based polymer solutions. Other trends will include highly glass-filled and flame retarded compounds, greater use of recyclates, and increased use of halogen-free flame retarded polyamides in automo- tive applications for e-mobility. Clariant says new PA additive solutions will continue to be in demand for stabilisation of highly glass-filled compounds, for both processing and long term use and in coloured, natural and black formulations. Flame retardance will also be a key area of development. In addition, recyclates that have endured extra heat histories and may contain contaminants will require unique material stabilisa- tion and compatibilisation to make durable, aesthetically pleasing compounds. Recyclates are also often compounded with high amounts of fillers, for example minerals and glass fibres, which further increases the need for compatibilisation and performance improvements including flow and impact resistance. PA stabilisation is now addressed by Clariant’s Performance Additives business, while compatibili-


Did you know every edition of Compounding


World magazine back to November 2011 is still available for FREE viewing? That’s more than 100 editions and some 7,000 of pages of industry news and developments in materials, machinery and compounding technology.


All FREE. To use this valuable resource, go to:


IMAGE: SHUTTERSTOCK


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