Carbodeon has introduced a revolutionary thermal conductivity material using nano-diamond fillers, which boosts the thermal performance of polymers by 25%. This innovation significantly enhances the functionality of polymer-based materials, especially in the electronics and LED sectors. Initially, Carbodeon tested polyamide 66 as a base material, incorporating 44% boron nitride as a thermal filler. Later, they developed an improved version with 44.9% boron nitride and just 0.1% nano-diamond powder, resulting in a remarkable 25% increase in thermal conductivity.
What makes this new filler unique is its ability to enhance thermal performance without compromising mechanical properties or electrical insulation. This makes it an ideal solution for manufacturers in the electronics and LED industries who require both high thermal efficiency and structural integrity.
Vesa Myllymaki, Carbodeon’s Chief Technology Officer, explained that the key to the success of the material lies in the high thermal conductivity of diamond—approximately 2000 W/mK. The company focused on modifying the surface chemistry of the diamond particles and used a hybrid process to create better interfacial bonding between the nanodiamonds and the polymer matrix. This ensures a more stable and effective composite material.
One of the challenges with artificial nano-diamonds is their highly reactive surface, which can lead to agglomeration when used in small particle sizes (4–6 nm). To address this, Carbodeon adjusted the surface chemistry of the diamonds, enabling them to disperse evenly within the polymer matrix. This allows for seamless integration, making it possible to combine nano-diamonds with cost-effective, low-concentration materials to achieve enhanced functional performance.
Myllymaki added, "Our advanced technology enables us to improve the chemical properties of raw materials by adding only a small amount of nano-diamonds. We are currently working with a range of application partners and have demonstrated the benefits to manufacturers. We believe there's still a lot more to explore in terms of the potential of nanodiamonds. By collaborating with customers, we're uncovering new possibilities and looking forward to future innovations."
This breakthrough not only represents a significant leap in thermal management solutions but also opens up exciting opportunities for the next generation of high-performance electronic and lighting systems.
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