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.

Polyamide Specialties for Electromobility

Automotive

Elektronik

Elektromobilität

Mobilität

Polyamide

Kunststoff Werkstoffe

Thermoplaste

Technische Kunststoffe

Kunststoff

Bauwesen

Baustoffe

High Voltage in Cars

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.

Flame Retardancy, Heat and Tracking Resistance of Electric Vehicles

Elektromotoren

Antriebe

Kunststoffe

Photonik

Optik

Elektronische Bauelemente

Leistungselektronik

Hochleistungskunststoffe

Drivers of Electromobility

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

Faserverbundwerkstoffe

Andere Werkstoffe

Glass-Reinforced and Halogen-Free Flame-Retardant

Styrenics can be polymerized using different technologies and it can be modified with a range of copolymers. The resulting plastics offer a wide range of properties allowing to customize them for different applications. Because of this range of properties they are suitable for many industries. Strong demand is for example driven by the automotive industry, healthcare and the packaging industry.

Styrenic Polymers

Verpackungsmaterial

Logistik

Polystyrol

Styrol-Copolymerisate

Medizintechnik

Medizinprodukte

Diverse Shapes and Applications

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.

Special Polyamides 6 Match the Properties of Polyamide 66

Metal Substitution with Improved PA

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.

Messe Fakuma

kunststoffe-international.com

Superior Surface Quality in Automotive Interiors

Atomic force microscopy can be used to determine various properties of polymer surfaces. However, until now it was still necessary to change the hardware on the probe for different measurement methods.

Characterize Plastic Surfaces More Easily with Atomic Force Microscopy

Messtechnik

Prüfen von Kunststoffen

Polymethylmethacrylat

Measurements without  Hardware Exchange

Lupine Lighting Systems manufactures extremely bright mountain bike lights with lenses made of Plexiglas. The molding compounds from Röhm meet the most important standards for e-bike and bicycle lighting.

Technische Optik

Ingenieurwissenschaften

Fahrzeugbau

Bright Lights with Precision Lenses Made from Plexiglas

Components in solar power stations are exposed to strong solar radiation and other severe environmental influences. These challenges can be met with the aid of self-lubricating, UV-resistant plastic compounds.

Self-Lubricating Polyoxymethylene Bearings for Solar Systems

Solar / PV

Energieerzeugung

Erneuerbare Energie

Polyoxymethylen

Defying the Sun

There is still a need to catch up in terms of ion leaching and hydrolysis resistance of the materials used to date for fuel cells. Specially developed PPS represent one possibility for this.

Material Improvements Make Fuel Cells More Reliable

Brennstoffzelle

Stromversorgung

Brennstoffzellen

Getting Fuel Cell Vehicles Fit for Use

Polymaker will offer the Polymaker PC-r 3D printing filament made from recycled polycarbonate (PC). The PC for the filaments comes from materials supplier Covestro and consists of a combination of recycled plastic waste and virgin material.

Filamente für additive Verfahren

Werkstoffe für additive Verfahren

Additive Fertigung

Polycarbonat

Kunststoff-Rezyklat

Water Bottles Become Filaments

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.

PA66 and PBT for Laser Sintering

Polybutylenterephthalat

Selektives Lasersintern von Kunststoff, Metall, Keramik

Verfahren für die additive Fertigung

Pulverbettverfahren

From Injection Molding to  Additive Manufacturing

Lightweight construction, functionality and design are characteristic of material development in all areas of application for PC compounds, composites and films. The range of materials has enormous opportunities when it comes to the mobility of the future, lightweight structural construction with continuous fiber-reinforced composites, 5G technology and medical technology.

Polycarbonate (PC)

Recycling

Umweltmanagement

Kunststoff-Recycling

Kunststoffverarbeitung: Verfahren

Kunststoff-Aufbereitung

Present in a Multitude of Trends

Because of its good temperature resistance, impact resistance and aesthetics appearance, acrylonitrile-butadiene-styrene is often used in household goods and in the automotive industry. The development of a circular economy also shows successes.

Acrylonitrile-Butadiene-Styrene (ABS)

ABS / ASA-Kunststoffe

Sustainable Growth

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

Compound

Replacing Metals with PPA Compounds

The transition to electric cars is transforming automotive design. And so polymers producer Röhm has developed special polymethyl methacrylate (PMMA) molding compounds with this in mind. These are sold under the company’s well-known Plexiglas brand. At Fakuma, the company will be demonstrating how they can be used to combine design requirements and functional properties.

Large, brand-specific combination rear lamps are on trend in the automotive industry. These are implemented with the aid of different components, such as covers and light guides. Röhm believes that they can be made from transparent and diffuse light scattering PMMA molding compounds. To an extent depending on the grade, the molding compounds have high color stability, transparency and good scattering properties combined with low transmission loss. The company offers them in different formulations and colors.

Also on display will be PMMA Plexiglas Optical HT. This material has been developed specifically for use with high-performance LEDs. Until now, this often required a compromise between high optical purity and heat deflection stability. Röhm claims, however, that the molding compound meets both requirements. It is said to ensure very good optical quality, even at elevated continuous service temperatures, and so offers the automotive and lighting industries greater scope in their product design.

For meeting even higher heat requirements, the polymers manufacturer has developed Pleximid TT50 HF, a polymethyl methacrylimide (PMMI). Röhm says it also features greater flow capability and is therefore suitable for very fine structures.

Unlike internal combustion engines, the motors of electric cars are no longer dependent on a cooling air flow. For this reason, the eye-catching grille on the front of vehicles can make way for other elements, such as illuminated emblems, other lighting elements and sensor covers. Rugged plastic elements are in high demand for all of these applications. Materials at the front end and in the lower car body are exposed to demanding mechanical stresses. For this application, Röhm will be presenting impact-modified PMMA special molding compounds at the trade show that, it says, can withstand these stresses. Due to its balanced property profile, the PMMA is a rugged, cost-efficient alternative for many components that would otherwise require coating, adds the company.

In addition to automotive applications, Röhm will also be showcasing materials for household appliances. Here, the company offers, for instance, PMMA for displays that have a black panel effect. These are not recognizable as screens when switched off, but function normally as displays as soon as they are switched on. For this technology, Röhm offers special molding compounds in neutral gray colors. PMMA molding compounds can also be used for surface finishing of household appliances. According to the company, they provide a high-quality appearance and extend the durability of the product.

Röhm GmbH  

https://www.roehm.com

Plexiglas Resist AG 100 is used, for example, in Volkswagen’s ID.3 electric vehicle

2021-10-07 werkstoffe Röhm

issue 09/2021

issue 08/2021

issue 07/2021

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