Functionalized boron nitride nanotubes as reinforcing agents for tires

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Inelastic effects cause rolling resistance in tires—some of the energy used for motion is lost as heat. These energy losses have a direct impact on a vehicle’s fuel economy. Furthermore, certain additives added to tires to slow wear can exacerbate the hysteresis effects that cause rolling resistance. State-of-the-art additives could reduce wear while minimizing these losses. Boron nitride nanotubes are a new class of nanomaterials capable of meeting this significant challenge. Until now, they have been synthesized only on a very small scale, limiting their industrial appeal. However, Tekna Systèmes Plasma has developed a large-scale synthesis process, enabling potential users such as Michelin to secure an adequate supply. To ensure compatibility between the producer and users, we are proposing a collaborative project aimed at studying the boron nitride nanotubes produced by Tekna and modifying their surfaces to facilitate their dispersion in Michelin’s elastomer formulations. Ultimately, this project will have substantial benefits for Quebec and Canada through a new market developed for Tekna and increased activity at Michelin Canada (which specializes in advanced tire additives).

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