Plastic bottles go in car tires

Continental will enable the use of recycled polyester obtained from recycled plastic bottles in the production of tires from the next tire.

The new polyester component will be obtained from polyethylene terephthalate (PET) bottles by mechanical means and will be used in the production of tires. This compound can completely replace conventional polyester, he writes HAK magazine. Together with its collaboration partner and supplier OTIZ, a fiber expert and textile manufacturer, the premium tire manufacturer has developed a special technology for recycling PET bottles with minimal use of chemical processes. During so-called recycling, the bottle becomes a high-performance PET material.

– As early as 2022, we will use material obtained from recycled PET bottles in the production of tires. In our innovative recycling process, the fibers are separated from the recycled PET without first breaking the material into its components – says Dr. Andreas Topp, responsible for materials, process development and industrialization at Continental.

Laboratory tests and tire tests conducted by Continental have shown that the fibers of secondary raw materials perform just as well as the fibers used so far.

Conventional PET, obtained by chemical processes, has long been used as a material in the construction of car tires because it retains its shape even at high loads and temperatures, thus providing safety at all speeds. The use of recycled PET saves valuable resources in tire construction. Conventional passenger car rubber consists of 400 grams of polyester material. This means that more than 60 recycled PET bottles can be used in the future for a complete set of vehicle tires.


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