Provided is a chemically-recycled PET fiber with reduced degradation and superior strength and durability, and rubber-fiber composite products, such as tires, using the chemically-recycled PET fiber. The chemically-recycled PET fiber is made by polymerizing a raw material containing at least one of a monomer and an intermediate that are obtained by depolymerization of a PET product, the monomer including terephthalic acid (TPA) and/or dimethyl terephthalate (DMT) and the intermediate including bis(2-hydroxyethyl) terephthalate (BHET). The chemically-recycled PET fiber has a carboxyl end group (CEG) concentration of 15 eq/ton or less and a degree of crystallinity of 40% or more.
CHEMICALLY-RECYCLED PET FIBERS, RUBBER-FIBER COMPOSITE, CONVEYOR BELT, HOSE AND TIRE
CHEMISCH RECYCLIERTE PET-FASERN, KAUTSCHUKFASERVERBUNDSTOFF, FÖRDERBAND, SCHLAUCH UND REIFEN
FIBRES DE PET CHIMIQUEMENT RECYCLÉES, COMPOSITE DE CAOUTCHOUC ET FIBRES, COURROIE TRANSPORTEUSE, TUYAU, ET PNEUMATIQUE
2024-06-12
Patent
Elektronische Ressource
Englisch
IPC: | D01F Chemische Gesichtspunkte bei der Herstellung von produzierten Filamenten, Zwirnen, Fasern, Borsten oder Bändern , CHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / F16L PIPES , Rohre |
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