AUTOMOTIVE | MATERIALS
that mimics real-life, providing an advanced predictive platform that leverages the company’s extensive database of key material property measurements to help engineering teams develop lighter and more cost-effective parts with PA materials. The MMI design suite features multi-scale modelling, mechanical simulation, and injection moulding. The design service is powered by Digimat, a multi-scale material modelling software platform developed and supported by integrated computa- tional materials engineering experts from the manufacturing intelligence division of Hexagon, a supplier of digital reality solutions. Users can perform integrative simulations across an array of environmental conditions and load cases, including failure prediction, modal analysis, crash, noise, vibration, and harshness (NVH) and thermal expansion, drawing on 700+ polymer behaviour models established to support and boost the wider adoption of Technyl 4earth materials. Radici Group has expanded its range of
products suitable for use in the e-mobility sector with flame retardant materials that are usually used for applications requiring high mechanical resist- ance over time. This includes frames and battery housings, Insulated Gate Bipolar Transistor (IGBT) supports, bus bar, and housings for electronic components and high voltage connectors. The company, collaborating with local customers
in China, also collaborated in the development of wireless charging systems, ”making available our expertise in the selection and design of polyamide- based polymers. Furthermore, we are also working in China on some innovative solutions for the electro- magnetic shielding of electric car components,” says Erico Spini, Global Marketing Director of Radici- Group High Performance Polymers. The company is evaluating the solutions which it hopes to be able to industrialise soon. The engineering thermoplastics division of
Teknor Apex has introduced its Crealen series of glass-filled, halogen-free, flame-retardant polypro- pylenes suitable for a range of e-mobility applica- tions such as thin-wall housings, connectors, brackets, and shields. The new material grades are designed to deliver a balance of performance and safety in applications from automotive, electrical and electronics, appliances and energy storage markets demanding higher voltages and smaller lighter components. The new Crealen HFFR PP compounds utilise an
innovative halogen-free flame-retardant technology to offer excellent flammability ratings and superior glow wire ignition performance while maintaining
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its mechanical properties even after exposure to moisture and acid. It delivers UL94VO performance at 1.5 mm and achieves UL5VA at 3.0 mm. In contrast to more commonly used glass filled
flame retardant grades based on polyamides such as PA6 or polyester such as PBT, the Crealen HFFR PP compounds offer a range of benefits, such as inherent resistance to moisture absorption, excellent adhesion to TPEs and TPVs in two-com- ponent moulding and significantly lower density. Teknor Apex also developed a glass-filled engineering PP as a more economical alternative to glass-filled PA66 and PA6 in automotive, transpor- tation, industrial and electrical and electronics applications where polyamides have been over- engineered. The glass-filled PP is developed with E-modules that reach 11,000 MPa and a HDT that reaches 160°C, according to the company. Compared to glass filled PA66 or PA6, the company says the glass filled PP is easier to process even through existing moulds, exhibits shrinkage similar to PA, requires no pre-drying, and has processing and mould temperature requirements that are lower than for conventional PA materials. To date, Teknor Apex has replaced glass filled
PA66 and PA6 materials with its modified PP in several applications. An AdBlue tank cover in a vehicle application for Mercedes replaced a 30% glass filled PA66 with a 45% glass-filled PP. AdBlue is a diesel exhaust fluid used to reduce the nitrous oxide emission of diesel engines that are compliant with Euro 6 standards.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.covestro.com �
www.celanese.com �
www.eurotec-ep.com �
www.ascendmaterials.com �
www.domochemicals.com �
www.radicigroup.com �
www.teknorapex.com
May 2023 | INJECTION WORLD 21
Above: Teknor Apex’s new Crealen HFFR PP compounds are glass-filled, halogen-free, flame-retardant materials suitable for a range of e-mobility applications
IMAGE: TEKNOR APEX
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