Chinese viscose producer Sateri claims to have produced a new viscose fibre regenerated from textile waste on a commercial scale.
The new fibre uses a mix of dissolving pulp made from recycled post-consumer textile waste by Swedish company Södra, and other PEFC-certified wood pulp.
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Trialled at Sateri’s Linz Nanjng yarn spinning mill using two advanced technologies – Siro compact and Vortex – the new fibre is compatible with existing spinning technologies, ensuring stable yarn production without the need to adjust existing processes or parameters. The fibre also has “excellent” spinning efficiency and delivers yarn evenness and tenacity, according to Sateri.
The firm’s president, Allen Zhang, adds the new product meets the fashion industry’s aspirations for more sustainably produced textile fibres.
“The technology to regenerate textile waste into new cellulosic fibres is emerging and technically challenging but, in the past few months, our R&D team has worked hard to find the right balance between producing a recycled viscose product while maintaining high quality.
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“Our ability to do so using a 35,000 tonne-per-annum commercial production line is a breakthrough as it means we are now ready and capable of scaling up production to respond to market demand. We see this as a win for both the environment and our customers.”
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By GlobalDataSateri, a subsidiary of Royal Golden Eagle (RGE), operates five mills in China – Sateri Fujian, Sateri Jiangxi, Sateri Jiujiang, Sateri Jiangsu, and Sateri China – which have an annual production capacity of about 1.4m metric tonnes.
In October of last year, RGE revealed plans to invest US$200m over the next ten years into cellulosic textile fibre research and development.
Sateri is working with several dissolving pulp producers using various innovative technologies to aid the push towards a circular bioeconomy. It will be partnering with yarn customers, garment manufacturers and fashion brands to market and officially launch its new recycled viscose fibre product in the coming months, with the eventual goal of making recycled fibre available to the mass market.
