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Self-reinforcing New Heat Performance PA66 by Solvay for Automotive Industry

Published on 2016-11-07. Author : SpecialChem

Mechanical Properties of Technyl® REDx Tested After Molding (Initial) and After Heat Exposure at 220°C
Mechanical Properties of Technyl® REDx Tested After Molding (Initial)
and After Heat Exposure at 220°C
LYON, France -- Solvay has at launched at K 2016 Technyl® REDx, a new heat performance polyamide 6.6 (PA66) integrating a unique “smart molecule” self-reinforcement technology.

Heat Performance Technology


Technyl® REDx PA66 – an innovative material, which builds on Solvay Engineering Plastics’ proven heat performance expertise, outperforms conventional specialty polymers in demanding thermal management systems, especially in the automotive industry.

Dr. James Mitchell, Global Automotive Market Director for Solvay Engineering Plastics, said:
“Today, more than 12 million engines use Technyl® heat performance technologies. Our materials enable car manufacturers to overcome engine downsizing constraints, such as greatly increased temperatures and pressures. There is a need for new material solutions which resist the higher continuous heat stress of new generation engines without compromising on costs and performance.”

Features of Technyl® REDx


Technyl® REDx
Technyl® REDx
• Solvay developed Technyl® REDx PA66, a smart molecule material including a patented self-strengthening technology present in the polymer chain without affecting its structure.
• This brand new technology remains inactive during injection molding of car parts, leaving the material behaving like a high-flow PA66.
• During the vehicle’s use, the elevated temperatures activate the smart technology, leading to rapid cross-linking that boosts the mechanical properties far beyond their initial values.


Working Temperature Range


  • Technyl® REDx PA66 can be processed at energy-saving mold temperatures below 100°C, allowing simple and cost efficient manufacturing. 
  • Ageing tests over 3,000 hours at 220°C demonstrate very high retention property as well as tensile property gain of more than 50 percent, without degradation of elongation at break.

Antoine Guiu, Technyl® REDx Project Leader, said:
“By providing long-term thermal stability, superior processability and excellent surface aspect, Technyl® REDx PA66 opens up completely new possibilities for high-heat applications with lower material and manufacturing costs. Intrinsically heat-friendly, Technyl® REDx eliminates the need for heat shields that may be required when using conventional materials.”

‘Smart Molecule’ Technology Makes Technyl® REDx the Ideal Solution for Highly Demanding Charge Air Cooler
‘Smart Molecule’ Technology Makes Technyl® REDx
the Ideal Solution for Highly Demanding Charge Air Cooler

Metal replacing Capabilities


Solvay’s Technyl® product range helps meet growing demand for downsized engines that continue to offer lightweighting performance and power output. Its metal replacement capabilities, offering fire, thermal and chemical protection, help the automotive industry to continuously reduce vehicle’s ecological footprint and CO2 emissions.

Solvay supports customers with a complete array of technical services designed to speed the time to market of new applications, from advanced material characterization to application validation. This offering includes 3D printing of PA6-based functional prototypes in Sinterline® PA6 powders, predictive simulation with MMI® Technyl® Design1 as well as part testing at fully equipped APT® Technyl® Validation centers.

® Sinterline and Technyl are registered trademarks of Solvay
1 Powered by Digimat™ from e Xstream, an MSC Software company


About Solvay Engineering Plastics Business Unit


Solvay Engineering Plastics Business Unit is the global specialist in polyamide-based engineering plastics, with more than 60 years of experience in the development, manufacture and marketing of a complete range of high-performance materials under the Technyl® brand for demanding applications in automotive, consumer goods and electrical markets. With a growth strategy bolstered by six production sites worldwide, the Business Unit employs its expertise and innovation capabilities in order to serve the needs of its customers more closely through a global network of technical and R&D centers.

About Solvay


An international chemical and advanced materials company, Solvay assists its customers in innovating, developing and delivering high-value, sustainable products and solutions which consume less energy and reduce CO2 emissions, optimize the use of resources and improve the quality of life. Solvay serves diversified global end markets, including automotive and aerospace, consumer goods and healthcare, energy and environment, electricity and electronics, building and construction as well as industrial applications. Solvay is headquartered in Brussels with about 30,000 employees spread across 53 countries. It generated pro forma net sales of €12.4 billion in 2015, with 90% made from activities where it ranks among the world’s top 3 players. Solvay SA (SOLB) is listed on Euronext in Brussels and Paris (Bloomberg: SOLB:BB – Reuters: SOLB.BR).

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Source: Solvay
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