Electric vehicles can be charged not only at charging stations, but also wirelessly. Here, the energy exchange takes place between an induction coil positioned in the ground and a receiver coil mounted in the e-car.

Wireless charging could increase the range, and therefore the acceptance of electromobility.

16:9

Flame Retardant Polyamide for Inductive Charging Systems

Elektromobilität

Mobilität

Polyamide

Kunststoff Werkstoffe

Thermoplaste

Technische Kunststoffe

No Cable thanks to Suitable Compounds

At K, Radici will present the Renycle product family. These engineering compounds have a variable proportion of mechanically recycled PA obtained from PIR and PCR.

Reducing weight and ensuring safety are the aims of compounds developed by Radici specifically for electromobility.

Messe K-Kunststoffmesse

kunststoffe-international.com

Compound

kunststoffe.de

More Comprehensive  Life Cycle Analysis

Due to the climate change, new fields of development and sustainability topics have come into focus along the added-value chain.

Polyamide continues to be one of the most important technical plastics in the automotive sector, where it enjoys widespread use. This not only applies for classical internal combustion vehicles, but in terms of volume will also be the case for electric vehicles.

Polyamides: Electromobility and Sustainability Boost Developments

Kunststoff-Recycling

Kunststoffverarbeitung: Verfahren

Kunststoff-Aufbereitung

Dual Change with Polyamides

Ascend Performance Materials will focus on electromobility and sustainability at K. The company made this announcement at a press conference in advance of the trade show.

Elektromotoren

Antriebe

Wide Range of PA Innovations

Long fiber thermoplastic compression molding is suitable for the production of components with large surfaces such as battery enclosures for electric vehicles. However, these components place high demands on the material used.

Large-area components, like the battery cover shown, can be produced very well using direct long fiber compression molding. Optimized materials such as PA66 Mobius NPD 555 FR GF50 from Invista  are ideal for the process involved.

Two resin grades developed for long fiber thermoplastic compression molding permit the substitution of thermosetting SMC molding materials.

PA66 for Flame Retardant Large-Area D-LFT Components

Pressen von Kunststoffen

Faster Process to Safe Battery Enclosures

Special plastics are needed for the increasingly widespread 800 V drives of electric cars. Bio-based PPA, for example, represents a sustainable option.

Elektronik

Faster and More Sustainable Charging

One of Ascend’s product ranges has demonstrated how the carbon footprint of PA can be reduced. The company has taken an additional stake in a recycler.

Instead of disposing of worn-out carpets in landfills or incinerators, recycling is a better alternative.

Recycling

Umweltmanagement

Kunststoff-Rezyklat

Old Carpets Become New Polymers

Until now, laser welding of PPA has been considered problematic. This will change thanks to a collaboration between Envalior and LPKF Welding Equipment.

LDS types can also be laser welded. This opens up additional possibilities for function integration in PPA components.

Laserschweißen

Verbindungstechnik Verfahren

Thermisches Fügeverfahren

Lasertechnik

Solutions for Laser Welding PPA

The transformation from the combustion to the electric engine entails several imponderabilities for the plastics industry. In part, electric drives have completely different material requirements which are becoming specifically evident with the increasing use of appropriate vehicles.

In electric vehicles, the change in engine technology also entails new requirements for the plastic materials used

Flame Retardancy, Heat and Tracking Resistance of Electric Vehicles

Kfz-Elektronik

Kunststoffe

Photonik

Optik

Elektronische Bauelemente

Leistungselektronik

Hochleistungskunststoffe

Drivers of Electromobility

With wide-ranging and specific property modifications, plastics can take more and more applications away from classic metal components. Polyamides and polyphthalamides, in particular, also are extending the performance spectrum, as two new variants show.

Fig. 1. Grivory G5V has significantly better mechanical properties between 60 °C and 100 °C than the familiar Grivory GV

Two New Polyamide Grades Will Make Engineering Components More Cost-Effective

Progressive Metal Replacement

The worldwide market situation differs widely for PA6 and PA66. While demand and capacities for PA6 precursors and base polymers are balanced, supply shortages occur frequently for PA66, and in particular its precursor adiponitrile (ADN). This leads to partially drastic price increases. Therefore, a growing number of users is searching for PA66 alternatives.

High-voltage plug made of orange-colored Durethan BKV45FN04. For plastics in Li-ion batteries, a UL 94 V-0 rating is often required

Strong Trend towards Replacement of PA66 with PA6 Compounds

Polyamide 6 and 66 (PA6, PA66)

Replacing metal with polyamides (PA) in components can not only reduce weight and costs, but also offers developers greater design freedom. However, this requires materials with improved mechanical properties.

 A 3-point bending test showed that the maximum necessary  work of fracture for Ultramid XP grades which exceeds that of comparable PA6 and PA66 grades

Special Polyamides 6 Match the Properties of Polyamide 66

Automotive

Metal Substitution with Improved PA

A new stabilization with heat resistance up to 190 °C protects against galvanic corrosion

Galvanic corrosion on electrical components should be avoided, especially in electric vehicles. Halogenide-free plastics are advantageous in this respect

Heat-Resistant and with Halogenide-Free Stabilization

Kunststoff-Erzeugung

Fahrzeugbau

Polyamide for Use in All Powertrains

Teknor Apex presents three halogen-free FR glass-reinforced polyamide compounds with UL94 ratings of V0.

Application example: engine cover in the automotive industry

Kunststoff

Bauwesen

Baustoffe

Faserverbundwerkstoffe

Andere Werkstoffe

Glass-Reinforced and Halogen-Free Flame-Retardant

RadiciGroup closed its 2020 financial year with consolidated sales revenue thanks to investments in innovation and sustainability.

Maurizio, Angelo and Paolo Radici – shareholders of RadiciGroup

Gewebe, technisch

Halbzeuge und Zwischenprodukte

Kunststoff-Halbzeuge

Good Results despite the Pandemic

BASF is expanding its portfolio of flame-retardant engineering plastics for electric vehicles. The new PA66 type Ultramid A3U44G6 DC OR is reinforced with 30 % glass fibers.

Conventional polyamides, tend to strong color fluctuations or yellowing during heat aging. However, this is a problem with high-voltage components in electric cars. They are frequently exposed to significant temperature fluctuations. This leads to strong discoloration in conventional polyamides. According to BASF the newly developed type closes the gap in terms of color stability and mechanical strength.

According to the company, the new grade meets all the criteria of color stability and heat aging resistance and thus also enables long-lasting color coding, which is safety-relevant in the sensitive area of high voltages. The color stability could be confirmed after 1000 h at up to 130 °C in the test. In addition to the color consistency, Ultramid A3U44G6 DC OR with a CTI 600 is characterized by high electrical insulation. The use of tailor-made pigments while at the same time dispensing with halide-containing flame retardants also counteracts electrocorrosion, which was previously difficult to contain, especially in humid and warm environments.

“During development, we focused on the elimination of halides such as iodide and bromide, thus setting the course for a durable product without contact corrosion,” explains Michael Roth, Product Development BASF. With a very low total halide content (less than 50ppm), the PA66 achieves fire protection class UL94 V0 at 0.4 mm. Furthermore, the product is equipped with a special organic heat stabilization package.

BASF SE  

https://www.basf.com

The new PA66 type is flame-retardant and meets all the criteria of color stability and heat aging resistance. This enables long-lasting color coding, which is safety-relevant in the sensitive area of high voltages in electric cars.

2022-06-14 BASF

Farbstoffe

Additive

issue 07/2023

issue 06/2023

issue 05/2023

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