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LANXESS at Fakuma, October 16 – 20, 2018, Messe Friedrichshafen, hall B4, booth 4209

Material innovations for sustainable mobility

  • Economical alternatives to polyamide 66 compounds
  • New polyamides with high cyclic fatigue strength
  • New compounds for laser transmission welding
  • New developments in halogen-free flame-retardant polyesters and polyamides

Cologne – At Fakuma 2018, specialty chemicals company LANXESS will focus on materials for new forms of mobility. “We want to show which advantages our polyamide and polyester compounds and our endless fiber-reinforced thermoplastic composites offer, especially for components for the electric power train, but also for the infrastructure of electric mobility,” explains Jan Bender, Head of Marketing EMEA in the High Performance Materials (HPM) business unit. LANXESS expects the number of electric and electronic components in the automobile of the future to rise sharply. Bender explains, “We already have a wide range of materials for these applications, which meet the most important norms and standards of the international electrical and electronics industry in terms of fire resistance, electrical behavior, and ecology – for example – and are already proving successful in vehicles.” The specialty chemicals company also focuses on the possibility of replacing the currently expensive polyamide 66 with polyamide 6 and PBT compounds (polybutylene terephthalate).

Polyamide 6 compounds instead of polyamide 66 compounds

LANXESS will be presenting its new Durethan Performance product range for the first time at Fakuma. The polyamide 6 material grades are several times more resistant to fatigue under pulsating loads than standard products with the same glass fiber content. “Among other things, they meet the increasing requirements for dynamic long-term durability of plastic engine compartment parts,” Bender explains. In addition, it was possible to improve their static mechanical properties, such as tensile strength at higher temperatures. Potential applications include air-intake systems and oil-filter modules and parking brakes, but also furniture-locking systems and housings for power tools. Due to their improved mechanical properties, the new products are suitable in many cases when it comes to substituting expensive polyamide 66 compounds with the same glass fiber content.

High transparency in the near-infrared wavelength range

LANXESS has developed new polyamide 6, polyamide 66, and PBT compounds especially for complex formed components that are manufactured in series by laser transmission welding. They have a high level of transparency with laser light from the near-infrared range, which is used in this joining process. “With these products, we are responding to the growing demand for housings for sensors, control units, and display systems, which are needed for applications ranging from driver assistance systems to autonomous driving,” explains Bender. One new product is the halogen-free flame-retardant Durethan AKV30FN04LT. The laser-light-transparent polyamide 66 achieves the best classification of V-0 (0.4 millimeters) in flammability testing pursuant to the United States’ UL 94 (Underwriter Laboratories Inc.) standard.

Flame-retardant compounds make electric vehicles safer

The numerous electric and electronic components as well as the high battery voltages in electrified vehicles increase the risk of fire in the event of technical defects. Plastics with a V-0 classification in the UL 94 test are increasingly in demand for such applications. LANXESS has developed a broad range of halogen-free flame-retardant polyamides and polyesters that meet this requirement and offer further advantages, such as high long-term thermal resistance, tracking resistance, or low corrosion tendency in contact with live components. At Fakuma, for example, the company will be presenting a glass fiber reinforced PBT compound that achieves excellent results in glow wire tests on finished components (GWEPT, glow wire flammability test for end products, IEC 60695-2-11). It is also suitable for applications in unattended household appliances according to IEC 60335-1 (“no flame”).

Substituting polyamide 66 compounds with PBT compounds

Another product highlight in halogen-free flame-retardant PBT is the unreinforced Pocan BFN2502. It exhibits a high elongation at break of more than seven percent, and is particularly suitable for components that must be dimensionally stable and permanently electrically insulating. It is suitable for substituting unreinforced polyamide 66 compounds with halogen-containing flame-retardant packages – not only for economic reasons, but also, for example, if the water absorption of polyamide in the component causes problems with dimensional stability.

Polyamides for air ducts of supercharged engines

Another focus of LANXESS’s work is on newer material developments for blow-moldable polyamides for air ducts in supercharged engines. The latter have become a trend because of their higher efficiency. “We have a wide range of products that meet common requirements for charge air pipes and clean air lines, and are easy to process in large series with high surface qualities,” says Bender. This applies, for example, to polyamide 66
Durethan AKV320ZH2.0 and polyamide 6 Durethan BKV320ZH2.0, which are primarily designed for 3D suction blow molding, for example, of air ducts. The range also includes very soft, super-tough polyamide 6 materials with an e-modulus of only 210 megapascals (conditioned). They can be used to produce charge air pipes with integrated flexible bellows as a single-material solution by extrusion blow molding.

Forward-Looking Statements
This company release contains certain forward-looking statements, including assumptions, opinions, expectations and views of the company or cited from third party sources. Various known and unknown risks, uncertainties and other factors could cause the actual results, financial position, development or performance of LANXESS AG to differ materially from the estimations expressed or implied herein. LANXESS AG does not guarantee that the assumptions underlying such forward-looking statements are free from errors nor does it accept any responsibility for the future accuracy of the opinions expressed in this presentation or the actual occurrence of the forecast developments. No representation or warranty (expressed or implied) is made as to, and no reliance should be placed on, any information, estimates, targets and opinions, contained herein, and no liability whatsoever is accepted as to any errors, omissions or misstatements contained herein, and accordingly, no representative of LANXESS AG or any of its affiliated companies or any of such person's officers, directors or employees accept any liability whatsoever arising directly or indirectly from the use of this document.

LANXESS is a leading specialty chemicals company with sales of EUR 9.7 billion in 2017 and about 19,200 employees in 25 countries. The company is currently represented at 74 production sites worldwide. The core business of LANXESS is the development, manufacturing and marketing of chemical intermediates, additives, specialty chemicals and plastics. LANXESS is listed in the leading sustainability indices Dow Jones Sustainability Index (DJSI World and Europe) and FTSE4Good.


Michael Fahrig

Michael Fahrig
Spokesperson Trade and Technical Press

Phone: +49 221 8885 5041

Fax: +49 221 8885 4865

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