Continental plans to start using PET bottles in tire manufacturing and to have tires made from 100% sustainable materials in the future.
Together with OTIZ, a fiber and textile manufacturer, Continental has developed a special technology for PET bottle recycling. This process will eliminate chemical steps currently in place.
According to Continental, they will use reprocessed polyester from recycled plastic bottles. This will replace the use of conventional polyester.
The process will start by sorting the bottles, removing the caps, and mechanically cleaning the bottles. After the bottles are shredded, they’ll be melted and granulated.
The tests the company conducted showed that secondary raw material fibers perform the same as fibers used currently.
These fibers are especially good for tires because they are durable, tough, and have thermal stability.
Conventional PET has a long history of being used as a material in car tires because it retains shape under high pressure.
About 60 recycled PET bottles will be used for one set of car tires. Continental hopes to have tires made from 100% sustainably produced materials by 2050.
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