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Carbios and Michelin Take a Major Step Towards Developing 100% Sustainable Tires

Nachrichtenquelle: Business Wire (engl.)
23.04.2021, 07:45  |  285   |   |   

Regulatory News:

CARBIOS (Euronext Growth Paris: ALCRB), a company pioneering new bio-industrial solutions to reinvent the lifecycle of plastic and textile polymers, and MICHELIN, a leader in sustainable mobility, have taken a major step towards developing 100% sustainable tires. Michelin has successfully tested and applied Carbios’ enzymatic recycling process for PET plastic waste, in order to create a high tenacity tire fibre that meets the tire-giant’s technical requirements.

Enzymatic recycling: a revolutionary process

Carbios’ enzymatic recycling process uses an enzyme capable of depolymerizing the PET contained in various plastics or textiles (bottles, trays, polyester clothing, etc.). This innovation allows infinite recycling of all types of PET waste. It also allows the production of 100% recycled and 100% recyclable PET products, with the same quality as if they were produced with virgin PET.

The application of PET enzymatic recycling in car tires: a world first

Conventional thermomechanical recycling processes for complex plastics do not achieve the PET high-performance grade required for pneumatic applications. However, the monomers resulting from Carbios’ process, which used colored and opaque plastic waste such as bottles, once repolymerized in PET, made it possible to obtain a high tenacity fibre meeting Michelin’s tire requirements.

The technical fibre obtained is of the same quality as the one from virgin PET, processed with the same prototype installations. This high tenacity polyester is particularly suitable for tires, due to its breakage resistance, toughness, and thermal stability.

“We are very proud to be the first to have produced and tested recycled technical fibres for tires. These reinforcements were made from colored bottles and recycled using the enzymatic technology of our partner, Carbios,” said Nicolas Seeboth, Director of Polymer Research at Michelin. “These high-tech reinforcements have demonstrated their ability to provide performance identical to those from the oil industry.”

Carbios’ enzymatic recycling process therefore enables Michelin to get one step closer to its sustainable ambitions, and contributes to the entry of tires into a true circular economy. Michelin is committed to achieving 40% sustainable materials (of renewable or recycled origin) by 2030 and 100% by 2050.

The potential of Carbios’ process confirmed

This major step constitutes a world-first in the tire sector and confirms the potential of Carbios’ process to engage the industry in a responsible transition towards a sustainable circular economy model.

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Carbios and Michelin Take a Major Step Towards Developing 100% Sustainable Tires Regulatory News: CARBIOS (Euronext Growth Paris: ALCRB), a company pioneering new bio-industrial solutions to reinvent the lifecycle of plastic and textile polymers, and MICHELIN, a leader in sustainable mobility, have taken a major step towards …

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