From the Sector

In a roundtable discussion during the recent Innovate Textiles & Apparel (ITA) textile machinery exhibition, imogo Founding Partner Per Stenflo and representatives from a number of like-minded European companies discussed the opportunities for new spray application technologies for the dyeing and finishing sector.

These technologies can achieve tremendous savings for manufacturers compared to traditional water-intensive processes it was explained at the event, held online from October 15-30th.

Pioneer
imogo – one of the latest companies to join TMAS, the Swedish Textile Machinery Association – is one of the key pioneers in this area with its Dye-Max system. Dye-Max spray dyeing technology can slash the use of fresh water, wastewater, energy and chemicals by as much as 90% compared to conventional jet dyeing systems. This is due to the extremely low liquor ratio of 0.3-0.8 litres per kilo of fabric and at the same time, considerably fewer auxiliary chemicals are required to start with.

Obstacles
Such technologies, however, face a number of obstacles to adoption and during the ITA discussion it was agreed that 2020 has not provided the ideal climate for adventurous investors. “The textile industry is quite conservative and is definitely in survival mode at the moment and it is not the time to be a visionary,” said Stenflo. “Day to day business is about staying alive – that’s the reality for many of our customers.” Nevertheless, all of the panellists agreed that sustainable production will remain top of the agenda for the textile industry in the longer term and spray technologies for dyeing and finishing processes will be a part of it.

“Any investment in something new is a risk of course, and we have to be able to explain and convince manufacturers that there’s a good return on investment, not only in respect of sustainability, but in terms of making good business sense,” said Stenflo. “Here we could use the help of the brands of course, in putting pressure on their suppliers to be more sustainable. Governments also have a role to play, in providing incentives for producers to move in the sustainable direction. Sustainability alone will never cut it, there has to be a business case, or it won’t happen.”

Marketing
The marketing of sustainable new fibers is comparatively easy for the brands compared to explaining the difficult textile processes and the chemistries involved in fabric and garment production, he added.

“These fibers, however, currently go through all the same dirty processes that we need to get away from, so it must happen,” he said. “In developing our technologies, it has been important for us to avoid disrupting existing supply chains, stick with using off-the-shelf chemistries and dyes, and involve the dye manufacturers who are an essential part in how operations are driven today. “In fact, collaboration across the entire textile supply chain – from the brands right back to the new technology developers – is essential in moving the sustainability agenda forward.

Business models
“We are also looking into new business models in terms of how to reduce or lower the thresholds for investment and minimise the risk for the manufacturers who are looking to be the innovators,” he concluded. Also taking part in the ITA roundtable discussion were Simon Kew (Alchemie Technology, UK), Christian Schumacher (StepChange Innovations, Germany) Tobias Schurr (Weko, Germany), Rainer Tüxen (RotaSpray, Germany) and Felmke Zijilstra (DyeCoo, Netherlands).

European innovations
“It’s fantastic that all of this innovation is taking place in Europe based on established know-how and forward thinking,” said TMAS Secretary General Therese Premler-Andersson.

“Spray application technologies are a perfect illustration of how new digital technologies can lead to more sustainable production, in this case by replacing water-intensive processes with the highly precise and controlled application of dyes and chemistries as vapour.
“There was a major project by the Swedish research organisation Mistra Future Fashion recently, involving many brand and academic institute partners. The project’s Fiber Bible 1 and 2 reports conclude that it’s very difficult to make assumptions that one fiber is better than another, because it’s so much about how fabrics and garments are being produced from them. The study also found that 55% of the chemicals used in a garment comes from the dyeing. This is where a number of TMAS companies can make a difference.
“An organic or recycled cotton t-shirt is not automatically more sustainable than a conventional cotton t-shirt, or even one made from synthetics – the alternative fibers are a good start but you have to consider the entire life cycle of a garment, and that includes the smart technologies in textiles production.
“TMAS members – backed by Swedish brands and advanced research institutes – are playing an active part in pushing forward new concepts that will work, and I have no doubt that digitalisation now goes hand in hand with sustainability for the textile industry’s future.”          

• Collaboration Between DuPont™ Sorona® and Sateri’s EcoCosy®

DuPont™ Sorona® and Sateri’s EcoCosy® have together developed a new fabric called StretchCosy™. The fabric uses a blend of Sorona®, a partially plant-based fibre, and Sateri’s ultra-comfortable and near weightless EcoCosy® fibres to achieve a soft material that is highly stretchable, shape-retaining and, most importantly, sustainably sourced.

StretchCosy™ combines the mechanical stretch of Sorona® stretch fibres, which gives it excellent stretch and long-lasting, consistent recovery, with the soft, cotton-like breathability and smooth silk-like texture of EcoCosy® for an unparalleled fabric that is high-performing and well-suited for fashion and sportswear.

Created in 2019, StretchCosy™ is a fabric breakthrough that made it possible for natural plant-based fibres to be more extensively used in various applications, e.g. t-shirts, shirting, bottoms, jackets, dresses, hoodies and underwear. Previously, cellulosic fibres were rarely found in sportswear, due to concerns such as pilling. The combination of Sorona® and EcoCosy® in StretchCosy™ has eliminated this concern, hinting at the future of activewear where performance combined with sustainability will be the norm.

In the 2019 `Hot-Button´ report issued by the forest conservation organisation Canopy, Kelheim Fibres attained a “green shirt” ranking. Many fashion brands already value the `Hot-Button´ report as a reliable indicator for sustainability for viscose fibre producers.

Raw material wood sourced only from certified sustainable forestry
The CanopyStyle initiative aims to achieve that no wood from ancient and endangered forests is used to produce viscose fibres. The audited companies must prove that they avoid these fibres and have implemented appropriate rules and procedures to check the origin of the wood. Performance in the areas environmental protection and innovation have been examined and evaluated by qualified external auditors; the report will be posted publicly in the first quarter of 2020.

Sustainable fibres for a changing market
“For years now Kelheim Fibres has consistently recognised the importance of sustainability and environmental protection. Now that resource saving and alternatives to plastics are of focal interest to the public and to the economy, our products are meeting with an even better reception from the market. Fibres produced in Germany with low emissions from certified sustainable timber meet the needs of customers seeking products that have a low risk of sourcing from ancient and endangered forests. “Having been awarded a `green shirt´ in the `Hot-Button´ ranking once again underlines this absolutely clearly!” says Matthew North, Commercial Director at Kelheim Fibres.

• conceptual and commercial garments presented at exhibition in London

After two years of research Mistra Future Fashion is honoured to present, in collaboration with Centre for Circular Design at University of the Arts London and Filippa K, an exhibition pushing the limits of ‘fast’ and ‘slow’ fashion. Started in 2017, the industry-embedded project Circular Design Speeds takes a unique systemic approach, showcasing what could be accomplished using existing value chains as well as what the future of sustainable fashion holds. Ground-breaking textile research from University of the Arts London is questioning normative use and design of garments in creating prototypes to be worn across a spectrum of 24 hours to 50 years. By implementing research into existing value chains, Filippa K have produced a coat that is 100% recycled and recyclable, as well as a concept dress that is 100% bio-based and biodegradable. The research results and garments will be presented at the launch event at the University of the Arts London, on November 23rd and open to public on the 24th and 25th of November.

On Friday November 23rd the exhibition Disrupting Patterns: Designing for Circular Speeds opens up at University of the Arts London. The exhibition is the results of a two-year research project called Circular Design Speeds aiming at pushing the limits of ‘fast’ and ‘slow’ fashion by testing new concepts for sustainable design in an industry setting. On display are exploratory prototypes, as well as commercial garments produced by industry partner Filippa K using existing value chains. In addition, research results on innovative materials, consumer acceptance, composting studies and Life Cycle Assessments are presented. The aim of this project is to implement research results in a real fashion industry context, focusing on speed of use and maximising fabric value retention in products.

The Service Shirt developed by Professor Rebecca Earley is designed to last for over 50 years. The concept garment explores the multiple complexities, challenges and opportunities associated with design for circular business models in extended use contexts. The Service Shirt was designed as a ‘deliberate extreme’ to have a total lifecycle of 50 years. This lifecycle includes in-house and external remanufacturing processes, as well as various use cycles – often moving between single ownership and rental and sharing contexts. It becomes the lining for a jacket and then crafted in to fashion accessories, before finally being chemically regenerated in the year 2068.

On the opposite side of the spectrum the Fast-Forward concept, developed by Prof Kay Politowicz and Dr Kate Goldsworthy, explores alternative modes of production and use for a sustainable ‘fast-fashion’ application. Advantages with regards to climate impact are enabled through lighter material choices, nonwoven fabric production, no launder, clear routes to recovery and redistributed manufacturing systems. A sliding scale of ‘speed’ from ultra-fast forward through to a more widely accepted length of use, with adaptations to production processes and end of life, is presented. The prototypes are made from a new bio-based nonwoven material co-developed with Dr Hjalmar Granberg at RISE Research Institute of Sweden & University of the Arts London. The composition of the paper is a mix of cellulose pulp and bio-based PLA fibre, making the garment 100% biodegradable or recyclable in existing paper recycling systems.

Working closely with industry partner Filippa K made commercial testing possible. By implementing research into existing value chains, Filippa K was able to produce a coat that is 100% recycled and recyclable, as well as a concept dress that is 100% bio-based and biodegradable. The garments are a part of Filippa K’s Front Runner series and will be available in selected stores on November 26th. With a focus on products’ length of use and maximizing fabric value retention, Filippa K are dedicated to becoming fully circular by 2030.

“Being part of the fashion industry comes with many challenges, especially when considering the fact that we are the second most polluting industry after oil. Our industry needs to change and we believe adapting to circular models, like nature’s ecosystem, is one important solution. We want to be able to offer beautiful clothing and to make business within the planetary boundaries.”
- Elin Larsson, Sustainability Director, Filippa K

To validate the design research presented, a Life Cycle Assessment was performed on the prototypes. Mistra Future Fashion affiliated Dr. Greg Peters, Chalmers University of Technology, together with additional LCA Researchers at RISE, conclude that the production of fibres and fabrics are the main processes impacting the environment during the garment life cycles. Therefore, to extend the lifetime of existing garments and design for re-use, as done in the Service Shirt, is indeed the superior alternative compared to a reference garment.

“Compared with garments of the same mass, the extended life garments represent a large improvement in environmental performance over the reference garments, outperforming the reference garments in all effect categories. This superiority is primarily a consequence of avoiding garment production via reprinting and reassembly of the initial garment to extend its useful life.”
- Dr Greg Peters, LCA Researcher at Chalmers University of Technology

Another way to circumvent the impacts of fast fashion is to develop materials with considerably lower impacts during production, and which also avoid the barriers to recycling faced by conventional garments. Instead of hinder consumers from buying new, the act of acquiring a new garment could in fact be sustainable. The paper-based short life garments considered in this assessment show considerable impact savings when compare to the benchmark garment. Dr. Peters says,

“The paper-based garments benefit from the lower impacts of the material (fibre production, spinning and knitting) compared with conventional cotton, from their relatively light weight and also on account of the lower impacts in garment production and use.”