Electromobility in particular, but also many other electrical applications, are asking for ever higher demands regarding the electrical properties of thermoplastics. This raises the question of whether the polymers commonly used in this area can still meet these demands. The plastics manufacturer, Lanxess, has now investigated how suitable, for example, polyamide and polybutylene terephthalate are for use at higher voltages and temperatures.

16:9

How Suitable Are PA and PBT for High-Voltage Applications?

Polybutylenterephthalat

Kunststoff Werkstoffe

Thermoplaste

Elektronik

Elektromobilität

Mobilität

Polyamide

Leistungselektronik

Technische Kunststoffe

Against the Current

A focal point of the Lanxess booth at the show this year will be materials for electromobility.

The demonstrator of a near-series- production housing for electric vehicle batteries is one of the highlights at  the Lanxess booth.

Messe K-Kunststoffmesse

kunststoffe-international.com

kunststoffe.de

Demonstrator for EV Battery Housings

PA66 and PBT considerably expand the field of applications for laser sintering by showing better properties than classic PA11 and PA12 materials in most cases.

As a temperature-resistant and flame-retardant material with high mechanical properties, PA66 opens up new application possibilities for laser sintering, such as its use as a sensor holder

PA66 and PBT for Laser Sintering

Selektives Lasersintern von Kunststoff, Metall, Keramik

Verfahren für die additive Fertigung

Pulverbettverfahren

Kunststoff

Bauwesen

Baustoffe

Additive Fertigung

From Injection Molding to  Additive Manufacturing

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.

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.

Farbstoffe

Additive

Flame-Retardant and Color-Stable

With the change from internal combustion engines to hybrid and electric vehicles, peak operating temperatures have dropped from 135 °C to 110 °C. At the same time, the number of operating hours compared to combustion engines has increased nine-fold. This has an influence on material selection.

A Comparison of PA66 and PPA for Electric Vehicles

Elektromotoren

Antriebe

Hochleistungskunststoffe

Higher Performance in Water

Engineering and high-performance plastics as alternatives to metals will be one of the highlights at Lehvoss’s booth.

The smartphone holder consists of recycled PA66 and has been reinforced with 50 % glass fibers.

Focus on Metal Substitutes

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.

Flame Retardant Polyamide for Inductive Charging Systems

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.

Compound

More Comprehensive  Life Cycle Analysis

The global market for PBT has recovered well from the aftermath of the corona pandemic. However, there is a lot going on among manufacturers at the moment.

PBT compounds are very much in demand for electromobility, including for parts of the battery, electric transmission and the charging infrastructure.

Polybutylene Terephthalate (PBT): Demand for Products with Added Benefits

Electromobility and Sustainability Are Driving Growth

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.

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.

Faster and More Sustainable Charging

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

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

Lanxess and Advent to Buy DSM‘s Engineering Plastics Business

DSM sells its Engineering Polymers business to Lanxess and the financial investor Advent. In return, the two companies are setting up a joint venture to which Lanxess is also contributing its PA and PBT business.

Lanxess and financial investor Advent are acquiring DSM‘s engineering plastics business for EUR 3.7 billion. The two companies made the announcement in a press release. The business is to be transferred to a joint venture. Lanxess will also spin off its engineering plastics business, High Performance Materials, into this joint venture.

The sum for the purchase is to be paid by the joint venture via Advent‘s equity and debt. According to the companies, Advent will hold at least 60% of the joint venture. The remaining shares will go to Lanxess. The plastics manufacturer will also receive an initial payment of at least €1.1 billion. Lanxess also has the option to sell its stake in the joint venture to Advent after three years at the current economic valuation. The transaction is still subject to regulatory approval. Closing is expected in the first half of 2023.

Lanxess says it intends to use the transaction to sharpen its product offering. Proceeds from the deal will be used to repay debt and for a share buyback of up to 300 million euros. „Lanxess will once again become significantly less dependent on economic fluctuations as a result of the transaction. In addition, the proceeds will strengthen our balance sheet and give us new scope for the further development of our Group. With the new joint venture, we are forging a strong global player in the field of high-performance polymers. The portfolios, value chains and global positioning of the two businesses complement each other perfectly,“ said Matthias Zachert, CEO of Lanxess, commenting on the deal.

DSM‘s engineering materials product range includes polyamide 6 and 66 (PA6 and PA66) as well as specialty plastics such as PA46, PA410 and polyphenylene sulfide (PPS). The polymers are used in the E&E sector and for consumer goods, among other applications. Around 2,100 employees work for the division worldwide at eight production and seven research sites, mainly in Europe, the USA and Asia. Lanxess‘ engineering plastics division produces PA6, polybutylene terephthalate (PBT) and thermoplastic fiber composites. Around 1,900 employees work for the division at ten production and seven research sites worldwide. The most important site is located in Antwerp, Belgium. Not only is PA6 manufactured there, but the company also produces the PA precursor caprolactam and the glass fibers for reinforcement there.

LANXESS Deutschland GmbH  

Lanxess is outsourcing its engineering plastics business to the joint venture.

2022-06-14 Lanxess

Streifinger, Florian

Wirtschaft

issue 02/2023

issue 01/2023

issue 09/2022

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