DSM Introduces New Arnite® Hydrolyzed PBT Provides New Cost-Effective Alternative to High Performance Polymers

HC Plastics News: Based on technology, the Royal DSM Group, which is active in the fields of health, nutrition and materials, has developed a new hydrolysis-resistant PBT to add a new product to the Arnite® thermoplastic polyester series. The new materials will provide a cost-effective solution for high temperature and humidity applications including automotive connectors, control equipment and sensors.

This new hydrolysis-resistant product meets the growing demand for high temperature and high humidity resistant materials in the automotive market and is suitable for applications where high performance, high temperature resistant polyamide materials such as DSM Stanyl® PA46 and ForTii® PA4T are not required.

Mark Terlaak, global marketing manager for DSM Automotive Electronics, said: “We learned from our customers that materials such as polyamide 6, polyamide 66 and standard PBT are no longer suitable for specific applications as the continuous use time and peak temperature of the engine environment continue to rise. Requirements. Suppliers at all levels see hydrolysis-resistant PBT as a transitional material for converting from these materials to more expensive specialty material solutions."

Terlaak also pointed out that PBT performs better than standard polyamides for automotive electronics applications because it does not require the use of heat stabilizers (some heat stabilizers can cause metal contact corrosion problems) and is also guaranteed for its low hygroscopicity. Higher dimensional stability.

The new Arnite hydrolysis-resistant PBT product is superior to other PBT in many respects, but its most significant advantages are: in the USCAR standard 3, 4, 5 type temperature / humidity environment and double 85 damp heat cycle test (85 ° C and 85% relative Under humidity, its mechanical properties have a good retention rate for up to 3000 hours. Terlaak noted that the product has excellent performance at 150 °C. He added: "Our products outperform almost all similar products in terms of flow and crystallization speed, saving cycle time and maintaining good mechanical properties throughout the life cycle."

In setting the target performance of the hydrolysis-resistant PBT series, DSM not only considered the needs of today's automotive industry, but also considered how the product will evolve in the future to adapt to the changes facing the automotive industry. As electric and autonomous vehicles continue to grow, the new product will face higher strength testing and verification standards.

DSM is now introducing two new 30% glass-reinforced Arnite hydrolysis-resistant PBT products, one of which enhances silicone viscosity. This series of products will cover a wide range of different types of glass fiber reinforced products, flame retardant products with a UL94 fire rating up to V0 at a thickness of 0.4 mm, impact modified products, and improved silicone sealant adhesion. The product.

Terlaak concluded: "The launch of the new ArnitePBT product line strengthens DSM's position as one of the few plastic suppliers in the world to offer a comprehensive portfolio of products for automotive electronics applications."

Editor in charge: Ye Dan

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