CFI reviews sustainable synthetic fibers featured at Techtextil; fibers include FilamentFactory’s degradable PET, Nexis Fibers' PA610 made from castor oil, Kaneka’s biodegradable PHBH fibers made from cooking oil, Antex's PEF for landfill degradation

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LOS ANGELES , September 30, 2022 () –

The most recent Techtextil in Frankfurt, Germany, presented several new sustainable synthetic fibers, as originally reported in Chemical Fibers International’s March 2022 issue. 

Innovations included biopolymer-based fibers for yarns and fabrics. Slovakia’s Nexis Fibers presented semi-biobased polyamide filaments, where 63% of its content came from castor oil.

Germany’s The FilamentFactory presented biodegradable polylactic acid fibers. However, the company’s highlight came with its degradable PET filaments, which normally are not degradable. However, the FilamentFactory’s version contains a polymer additive which facilitates PET degradation in certain conditions.

Japan’s Kaneka Corporation its Green Planet biopolymer polyhydroxybutyrate hexanoate (PHBH) fibers, which are derived from microorganisms fermenting vegetable oil. Kanek’as PHBH fibers are also biodegradable.

Spain-based Antex presented Yarnaway biopolymer polyethylene furanoate (PEF) yarns, which biodegrade into organic waste, methane and carbon dioxide after just a few years. Yarnaway is designed to degrade within landfills under moisture and exposure to microorganisms. 

Antex also showcased recycled and recyclable fiber solutions. The company’s Yarnback PET and PP fibers are made from end-of-life textiles.

Italy’s Aquafil presented its Econyl recycling process for polyamide fibers at Techtextil. 

Recycled fiber solutions additionally included Japan-based K.K. Kuraray’s functional fiber Claretta-CC, which is made from charcoal powder and coconut shells. Indorama introduced, Breathair, a recyclable PET-based monomaterial for replacing polyurethane in cushions.

The primary source for this article is Textile Technology, Frankfurt, Germany, published Sept. 23, 2022. 

Textile Technology’s article is republished from Chemical Fibers International’s March 2022 issue, originally authored by Ricarda Wissel, Melina Sachtleben and Thomas Gries of the Institut für Textiltechnik of RWTH Aachen University, Aachen, Germany. To read Textile Technology’s version, click here

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