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

Elektromotoren

Antriebe

Kfz-Elektronik

Elektronik

Elektromobilität

Mobilität

Kunststoffe

Photonik

Optik

Polyamide

Kunststoff Werkstoffe

Thermoplaste

Elektronische Bauelemente

Leistungselektronik

Technische Kunststoffe

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

16:9

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

Electrical architecture in an E-car is significantly more challenging than for conventionally powered vehicles. Particularly for insulation of high-voltage (HV) components, the demands on the materials used are increasing. With specially-tailored materials for electric vehicles, challenges in automotive high-voltage technology can be overcome.

Insulation of high-voltage components in electric vehicles makes high demands on the materials used

Polyamide Specialties for Electromobility

High Voltage in Cars

Lehvoss will be coming to Fakuma with compounds for lightweight construction applications, including those intended to serve as metal substitutes.

Lehvoss will be coming to Fakuma with compounds for lightweight construction applications

Compound

Messe Fakuma

kunststoffe-international.com

Replacing Metals with PPA Compounds

Premium-quality automotive interior surfaces are becoming increasingly important from the customer’s point of view. This insight prompted Asahi Kasei to develop its Leona SG series of semi-aromatic polyamides (PA), which the Japanese group will be presenting at this year’s trade show Fakuma.

Automotive interiors require materials with good mechanical properties that will also produce premium-quality surfaces

Superior Surface Quality in Automotive Interiors

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

Polybutylenterephthalat

Selektives Lasersintern von Kunststoff, Metall, Keramik

Verfahren für die additive Fertigung

Pulverbettverfahren

Additive Fertigung

From Injection Molding to  Additive Manufacturing

The Chinese automotive manufacturer Geely will in the future use a polyamide 6 (PA6) from Lanxess for front-end (FE) carriers in its vehicles.

The front-end carrier for vehicles by the Chinese manufacturer Geely will be made of a PA6 from Lanxess in the future. © Lanxess

 PA for a Front-End Carrier

Most of the energy in a crash is absorbed by metal parts. A new additional polyamide (PA) crash absorber has for the first time been integrated into the front end of the Mercedes-Benz S-Class. The advantage is that an additional loadpath could be added without significantly increasing the mass of the car.  Close cooperation between the project partners and the use of suitable simulation tools were key to successful realization of this project.

As part of the safety concept in the front end of the latest S-Class, Mercedes-Benz uses a crash absorber made from polyamide.

Crash Absorbers made from PA for the Front End Carrier of the Mercedes-Benz S-Class

Kfz-Sicherheit, passiv

Kfz-Systeme

Kraftfahrzeugtechnik

Accident Protection with Plastics

Electric-vehicle makers looking for fresh impetus are turning to thermoplastics, as these can be used to  improve the safety, performance and sustainability of the vehicles. Initial application areas for manufacturers can be found in a multitude of components ranging from battery cases to busbars, cooling lines and seals. Things become very interesting when material suppliers offer support in the form of CAE and injection molding analyses.

Thermoplastics play an important role in the batteries of electric vehicles. They help to keep battery temperatures in the optimal range for a long service life and high performance. 

Improving the Performance of Electric Vehicles with the Right Materials

Electric, Environmentally Friendly, Thermoplastic

The conditions in electric vehicles place high demands on the materials used. Therefore, automakers and suppliers must resort to expensive, high-performance plastics. For many applications, cost-effective alternatives are plastics whose properties have been greatly improved by means of treatment with high-energy electron beams.

Fig. 1. Crosslinked engineering plastics can be used for many different applications in electric vehicles.

Irradiation Crosslinking Replaces High-Performance Plastics with Cheaper Polymers

Strahlenvernetzung

Kunststoffverarbeitung: Verfahren

Kunststoff-Aufbereitung

Electron Booster for Electric Vehicles

For efficient lightweight construction fiber-reinforced plastics with a thermoplastic matrix are increasingly being used. How can these so-called organo sheets be optimised?

Verbundwerkstoffe / Werkstoffverbunde

Gewebe, technisch

Halbzeuge und Zwischenprodukte

Kunststoff-Halbzeuge

Flammschutzmittel

Additive

Organobleche (gewebeverstärkte Thermoplast-Halbzeuge)

Short fiber modification of matrix-rich zones of fabric-reinforced thermoplastic composites by in-situ melt impregnation – influence on quasi-static properties

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

The Italian producer of chemicals, engineering polymers, synthetic fibers and nonwovens with 3000 employees in 15 countries worldwide closed its 2020 financial year with consolidated sales revenue of EUR 1019 million, curbing the decrease compared to 2019 to –6.7 %. The Ebitda reached EUR 173 million, up 4.4 % compared to the prior year, and net income, net of amortization and depreciation, rose to EUR 87 million (+8.1 % over 2019).

Throughout the year, which was inevitably impacted by the pandemic and the restrictive measures adopted to contain its spread, the Group continued its strategy of focusing on its strategic and synergistic core businesses, such as chemicals for nylon production, engineering polymers and advanced textile solutions.

Group performance in 2020 reflected the trend of the pandemic: a drastic drop in demand during the first half of the year after a lockdown was imposed, followed by a good recovery from September to November, which was, however, somewhat slowed down in December by an upsurge in the contagion rate. The Advanced Textile Solutions business area was more affected than the other BAs in the Group, in line with the performance trend of the textiles sector nationwide.

The Year 2021 Got off to a Positive Start

In the first quarter, sales revenue and gross operating margin went up in almost all business sectors, despite the large increase in the cost of raw materials observed in the same time period.

“2020 was certainly a challenging year in many respects,” Angelo Radici, president of RadiciGroup, stated. “Nevertheless, we managed to limit the negative effect of the pandemic and obtain satisfactory results, which confirm our competitiveness in the market. The new year began with a challenge: to fully seize the opportunities presented by the recovery of business activities. Although the global scenario is still uncertain, we are confident that, by leveraging the Group’s reputation as a solid and efficient company and focusing on higher value-added products, enhanced production flexibility and investments in research and development, we will be able to continue to offer our customers high-performance solutions through our collaborative effort on increasingly innovative and sustainable projects.”

RadiciGroup  

https://www.radicigroup.com

Maurizio, Angelo and Paolo Radici – shareholders of RadiciGroup

2021-08-02 Radici

issue 02/2023

issue 01/2023

issue 09/2022

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