Key Findings
A research team from Fraunhofer ILT and IWM in Germany has developed a novel laser-based manufacturing process for high-performance coatings that are free of PFAS (per- and polyfluoroalkyl substances). This innovative technology applies diamond-like carbon (DLC) coatings to polymer components, enabling significant reduction in friction, enhancement of wear resistance, and extension of the lifespan of sealing components. This represents a breakthrough achievement that simultaneously addresses tightening environmental regulations and improves industrial performance.
Technical / Clinical Details
The developed laser-based process uses high-energy lasers to directly deposit a DLC layer onto polymer substrates. DLC, as its name suggests, possesses diamond-like properties, being exceptionally hard and having a low coefficient of friction. By applying this coating, the durability and functionality of surfaces on components made from high-performance polymers such as PEEK (polyether ether ketone), polyamide, and polypropylene, particularly dynamic parts like elastomer rollers, are dramatically improved. While achieving strong adhesion of DLC to polymer surfaces has traditionally been a challenge for conventional coating technologies, the laser technique optimizes adhesion, ensuring stable performance over long periods. This leads to improved efficiency of mechanical components, reduced maintenance costs, and a lower environmental footprint throughout the entire lifecycle of the final product.
Background & Context
PFAS have been used in various high-performance coatings due to their excellent water and oil repellency. However, they are known as ‘forever chemicals’ due to their extreme persistence in the environment, raising concerns about their health impacts. Regulations against PFAS manufacturing and use are rapidly tightening in Europe, creating an urgent demand from industries for high-performance PFAS-free alternatives. This research addresses these regulatory trends, aiming to provide solutions that reduce environmental impact while matching or exceeding the performance of traditional PFAS-containing coatings.
Strategic Significance & Outlook
This laser-based DLC coating technology by Fraunhofer ILT and IWM holds significant application potential across a wide range of sectors requiring reduced friction, enhanced wear resistance, and PFAS-free solutions, including the automotive industry, mechanical engineering, medical devices, and energy sector. Moving forward, validation of the technology’s scalability for mass production and expansion of its applicability to more diverse polymer materials will be pursued. If commercially established, this technology is expected to accelerate sustainable manufacturing processes and the market introduction of high-performance, environmentally friendly products. For investors, it should be noted as a technology that brings competitive advantages in both environmental compliance and the high-performance materials market.
Source: https://www.home-of-welding.com/news/pfas-free-coatings-6730
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