New technology developed to recycle blend textiles into new fibres

YarnsandFibers News Bureau 2017-09-14 14:00:00 – Hongkong

The non-profit H&M Foundation and The Hong Kong Research Institute of Textiles and Apparel (HKRITA) have developed a new technology, a hydrotherm (Chemical) process through which recycle blend textiles can to converted into new fabrics and yarns without losing its quality.

Erik Bang, Innovation Lead at H&M Foundation said that they are very excited to develop this technology and scale it beyond the laboratory, which will benefit the global environment, people and communities.

For too long the fashion industry has not been able to properly recycle its products, since there's no commercially viable separation, sorting, and recycling technology available for the most popular materials such as cotton and polyester blends. This encouraging finding has the potential to change that.

The finding is a major breakthrough in the journey towards a closed loop for textiles, H&M Foundation reports. The technology will be scaled up and made available to the global fashion industry.

The aim of the Closed-Loop Apparel Recycling Eco-System Program is to find at least one ready technology to recycle clothes made from blend textiles, within the four-year project period.

But in one year into the partnership, HKRITA has together with Ehime University and Shinshu University in Japan, successfully developed a hydrothermal (chemical) process to fully separate and recycle cotton and polyester blends.

The recovered polyester material can be reused directly, without any quality loss. The hydrothermal process uses only heat, water and less than 5% biodegradable green chemical, to self-separate cotton and polyester blends.

According to findings, this fibre-to-fibre recycling method is cost effective, and there's no secondary pollution to the environment, ensuring the life of the recycled material is prolonged in a sustainable way. The technology will be licensed widely to ensure broad market access and maximum impact.

Edwin Keh, Chief Executive Officer of The Hong Kong Research Institute of Textiles and Apparel (HKRITA) said that by being able to upcycle used textiles into new high value textiles, they no longer need to solely rely on virgin materials to dress a growing world population. This is a major breakthrough in the pursuit of a fashion industry operating within the planetary boundaries.

It is H&M's customers' engagement that have enabled this research, as the exact financial contribution is determined by the annual surplus from H&M's global in-store garment collecting programme, which is donated to H&M Foundation. To date the H&M Foundation has donated EUR 2.4 million to HKRITA.

The collaboration is part of H&M Foundation´s commitment within its focus area Planet, which initiatives all have the aim to safeguard not only the planet but also the living conditions for people and communities around the world.

The H&M Foundation initiated the partnership with HKRITA in September 2016 is backed by an estimated EUR 5.8 million of funding, with HKRITA conducting the research and work to commercialise the outcomes. The Innovation and Technology Fund of the Hong Kong SAR Government also provides additional substantial funding and support. The total project investment is estimated to around EUR 30 million during the four-year collaboration (2016-2020), which makes it one of the biggest and most comprehensive efforts ever for textile recycling.

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