MUMBAI, India, April 11 -- Intellectual Property India has published a patent application (202517010019 A) filed by Inter Ikea Systems Bv, Delft, Netherlands, on Feb. 6, for 'a method and system for recycling at least a portion of a textile material comprising polyester fibers.'
Inventor(s) include Lehadus, Marius; Lindqvist, Karin; and Tonnerfors, Erika.
The application for the patent was published on April 11, under issue no. 15/2025.
According to the abstract released by the Intellectual Property India: "The present invention describes a method of recycling at least a portion of a textile material comprising polyester fibers, the method comprising - a mixing step comprising bringing the textile material comprising polyester fibers and at least one other type of fibers into contact with a suspension comprising a catalyst and methanol in a rotatable drum of a reactor unit, the rotatable drum being arranged for rotating around an axis, said axis having an angle to the horizontal plane being less than 45, preferable said rotatable drum being perforated; - a depolymerization step comprising providing a temperature of at least 80 C in the reactor unit and rotating the drum to make the textile material tumble around inside thereof in contact with the catalyst and methanol to perform a methanolysis depolymerization reaction of the polyester portion of the textile material, leaving said other type of fibers in a fiber state; and - withdrawing from the reactor unit a liquid solution comprising depolymerized polyester, and withdrawing from the rotatable drum a fiber material comprising said other type of fibers."
The patent application was internationally filed on July 13, 2023, under International application No.PCT/EP2023/069454.
Disclaimer: Curated by HT Syndication.
