From the Sector

Many end-users now expect recycled materials to be in textile products they purchase – and this is driving innovation throughout the industry. However, there are still many technical and economic issues facing yarn and fabric producers using recycled resources. Members of the Swiss Textile Machinery Association offer some effective solutions to these challenges.

Synthetic recycled materials such as PET can usually be treated similarly to new yarn, but there are additional complexities where natural fibres like wool and cotton are involved. Today, there’s a trend towards mechanically recycled wool and cotton fibres.

Spinning recycled cotton
The use of mechanically recycled fibres in spinning brings specific quality considerations: they have higher levels of short fibres and neps – and may often be colored, particularly if post-consumer material is used. It’s also true that recycled yarns have limitations in terms of fineness. The Uster Statistics 2023 edition features an extended range of fibre data, supporting sustainability goals, including benchmarks for blends of virgin and recycled cotton.
In general, short fibres such as those in recycled material can easily be handled by rotor spinning machines. For ring spinning, the shorter the fibres, the more difficult it is to guide them through the drafting zone to integrate them into the yarn body. Still, for wider yarn counts and higher yarn quality, the focus is now shifting to ring spinning. The presence of short fibres is a challenge, but Rieter offers solutions to address this issue.

Knitting recycled wool
For recycling, wool fibres undergo mechanical procedures such as shredding, cutting, and re-spinning, influencing the quality and characteristics of the resulting yarn. These operations remove the natural scales and variations in fibre length of the wool, causing a decrease in the overall strength and durability of the recycled yarn. This makes the yarn more prone to breakage, especially under the tension exerted during knitting.

Adapting to process recycled materials often requires adjustments to existing machinery. Knitting machines must be equipped with positive yarn suppliers to control fibre tension. Steiger engages in continuous testing of new yarns on the market, to check their suitability for processing on knitting machines. For satisfactory quality, the challenges intensify, with natural yarns requiring careful consideration and adaptation in the knitting processes.

From fibres to nonwovens
Nonwovens technology was born partly from the idea of recycling to reduce manufacturing costs and to process textile waste and previously unusable materials into fabric structures. Nonwovens production lines, where fibre webs are bonded mechanically, thermally or chemically, can easily process almost all mechanically and chemically recycled fibres.

Autefa Solutions offers nonwovens lines from a single source, enabling products such as liners, wipes, wadding and insulation to be produced in a true closed loop. Fibres are often used up to four times for one product.

Recycling: total strategy
Great services, technology and machines from members of Swiss Textile Machinery support the efforts of the circular economy to process recycled fibres. The machines incorporate the know-how of several decades, with the innovative power and quality standards in production and materials.
Stäubli’s global ESG (environmental, social & governance) strategy defines KPIs in the context of energy consumption, machine longevity and the recycling capacity in production units worldwide, as well in terms of machinery recyclability. The machine recyclability of automatic drawing in machines, weaving systems and jacquard machines ranges from 96 to 99%.

On display at Sculpture by the Sea, the land art event that brings the Sydney coastline to life every year, is “Seabilia”, Elena Redaelli’s latest work created using waste fabric from Sitip’s production processes. A creation that draws attention to the environment and its fragility in the face of human activity, “Seabilia” is a reminder of how precious yet delicate this balance is, and how humans must become mindful of their actions before the effects end up being completely irreversible.

Sitip's commitment to environmental sustainability struck a chord with Elena Redaelli, and a meeting between the Bergamo-based textile company and the artist from Erba, Italy, led to “Seabilia”, a work that will be displayed as part of Sculpture by the Sea on Tamarama Beach near Bondi in Sydney.

It’s one of the most popular events to take place in this corner of Australia, attracting half a million visitors who flock to these Aussie beaches to admire more than one hundred works created by artists from all over the world.

Held since 1997, this event captures the imagination of its visitors for three weeks each austral spring and, thanks to the vast area it covers, has earned the title of largest annual sculpture exhibition in the world.

The 2023 edition, scheduled to take place from 20 October to 6 November, will feature Elena Redaelli's work created using waste Native-Cosmopolitan Kyoto fabric which, having failed the company's quality control tests, was donated to the artist.

A post-consumer recycled circular knit fabric composed of 89% recycled polyester (PLR), 11% elastane (EA), and weighing 240 grams, the Native-Cosmopolitan Kyoto is made from recycled yarns derived from plastic waste that’s been recovered from the environment, particularly from the sea and from recycling centres. The fabric is Bluesign, GRS (Global Recycled Standard) and OEKO-TEX certified, attesting to Sitip's commitment to environmental responsibility and protection.

During the process, the artist hand-cut the waste fabric and crocheted the pieces together using recycled cotton and other types of thread.

In the creative mind of the artist, the genesis of “Seabilia” arose from deep in the ocean where tiny creatures inhabit the darkest, least explored parts of the planet. A place where the rhythm of life for the inhabitants is marked by silence and obscurity, while waves and tides agitate the surface above. The life of the ocean, such a vast and imposing environment, is impacted every single day by human activity, slowly weakening its delicate balance. “Seabilia” is intended to act as a reminder of how precious yet extremely fragile this balance is, and how humans must become more aware of the consequences of their actions before it’s too late and such a vital asset is lost forever.

“Following Emersione, a work that was exhibited at the Ex Ateneo in Bergamo during Fiber Storming, a textile art exhibition organised by ArteMorbida Textile Arts Magazine and curated by Barbara Pavan, Seabilia is the second art project where I’ve had the opportunity to utilise SITIP's fabrics. – explains the artist, Elena Redaelli. As it was going to be displayed on the rocks at Tamarama Beach, my installation needed a durable, elastic fabric with structural characteristics capable of withstanding ocean winds and sudden changes in weather. Using waste Native-Cosmopolitan Kyoto fabric was the obvious choice, not just because of its very high quality, but also, and more importantly, because it’s made from recycled yarns derived from plastic waste that’s been recovered from the environment, often even from the sea itself. The different textures and shades of white enabled me to create a varied work that, despite the almost monochromatic tones, conjures a diverse range of tactile sensations. The biomorphic modular composition evokes skeletons of sea creatures that appear to have been deposited onto the rocks by a wave and left there to wither in the blazing Australian sun.”

BDG [By Urban Outfitters] and the denim mill, ISKO have come together to develop a 10-piece collection made up of workwear-inspired denim pieces with finishing designs by British Artist, Dwayne Coleman.

Partnering with ISKO, Urban Outfitters has developed more sustainable denim pieces for this collaboration, utilizing recycled cotton yarns made from cutting waste. All pieces are washed using innovative technology to reduce the chemical, water, and energy footprint so that each item has a low environmental impact score. The development of these washes were done with the help of ISKO’s Creative Room London. The collection features an innovative style that uses no virgin cotton, and yet the authenticity and durability remains the same.

The collaboration incorporates the principles of circular design, including minimal wash processing, recycled cotton content, minimal metal trims and removable shank buttons. The styles are designed to last, and after many wears they will be readily recyclable for their next life. Urban Outfitters are members of Better Cotton whose mission is to help cotton communities survive and thrive, while protecting and restoring the environment as part of the brand's wider sustainability initiatives.

On the sidelines of the Intertextile Shanghai fair, the Swedish textile-to-textile recycling innovator Renewcell and the leading Chinese viscose manufacturer Tangshan Sanyou announced the next step in their partnership to make fashion circular that stretches back to 2018.

The two companies’ new shared ambition is to offer manufacturers and brands Circulose® viscose fibers made from 100% recycled textiles in commercial quantities starting in 2024. The collaboration has been facilitated by Ekman Group, Renewcell’s exclusive global trading partner.

“I am very happy to announce this acceleration of our long-standing partnership with Tangshan Sanyou. They were the first commercial producer of Circulose®-based fibers in the world, and the first to commit to sourcing significant volumes from us. Now, they aim to also be the first to commercialize 100% Circulose® content fibers” said Patrik Lundström, CEO of Renewcell, adding "I applaud Tangshan Sanyou’s vision and support to scaling next gen raw materials like Circulose®.”

The announcement, which follows the recent start of deliveries of 100% recycled textile Circulose® pulp from Renewcell’s newly opened Renewcell 1 recycling plant, is the result of successful validation of Circulose®’s quality in production at Tangshan Sanyou’s commercial-scale manufacturing lines. Tangshan Sanyou would strive to finish the mission of producing commercial volumes of 50% Circulose® content fibers during 2023 and work towards achieving the delivery of 100% Circulose® content branded viscose fibers to selected fashion brands and manufacturers starting in 2024. The two companies will cooperate to market the fibers globally using Renewcell’s Circulose® ingredient brand name.

Mr. Zhang Dongbin, Executive Vice General Manager of Tangshan Sanyou Chemical Fiber, says, "Through the collaboration with Renewcell, we have achieved to use Circulose® made from recycled cotton in the production of our viscose fibers, which is great beneficial to improving resource utilization efficiency and lowering carbon footprint of the industry. It has brought a huge impact in the sustainable fashion industry. We will continue putting efforts in forming good interaction between consumers, brands and enterprises, convey the concept of circular sustainable fashion, promote the greening of textile industry, and ensure a more sustainable way to ensure the sustainable development of the textile industry. Protecting the global ecological environment by applying sustainable solutions is our common goal."

California born and bred, Tillys is one of fashion’s leading specialty casualwear retailers. And now, thanks to its collaboration with Recover™ , their premium denim brand RSQ, it is set to become a leader of sustainable fashion.

The three brands – Tillys, Recover™ and RSQ – have come together to create a sustainable capsule collection. The new collection includes classic-inspired denim, a tee, and an on-trend chore jacket, all of which contain a minimum of 20% of Recover’s low-impact recycled cotton fiber. To shop the exclusive Recover™ pieces in the RSQ collection, go to tillys.com or visit one of Tillys stores across 33 states.

To bring this collaboration to life, textile waste has been salvaged that would otherwise end up in a landfill to create high-quality recycled fiber that Tillys used to produce its premium-quality RSQ collection. Using recycled fiber significantly reduces the carbon and water footprint compared to apparel made with virgin fiber. This collaboration models how post-industrial textile waste can be integrated back into the system creating a more sustainable production model.

“We are delighted to celebrate this new partnership with Tillys, helping to reduce the environmental impacts created by the fashion industry and pave the way towards a more sustainable future.”
– Alfredo Ferre, CEO Recover™

• Lenzing again recognized for sustainable sourcing, innovation and transparency
• Lenzing achieves the highest category for the third time already

The Lenzing Group achieved first place in the “Hot Button Ranking” of the Canadian non-profit organization Canopy, thus confirming its leading role in the areas of sustainability and responsible wood and pulp sourcing. Lenzing can also once again celebrate a dark green shirt, synonymous with the highest category.

In this ranking, which receives a lot of attention in the textile and apparel industry, Canopy evaluates the world’s 34 largest producers of cellulosic fibers in terms of their sustainable wood and pulp sourcing, their efforts with regard to the use of alternative raw materials and their achievements in the protection of ancient and endangered forests. Resource preservation is a key element of Lenzing’s corporate strategy and at the core of its innovation agenda. The sustainable production of TENCEL™, VEOCEL™ and LENZING™ ECOVERO™branded specialty fibers is based on these principles.

Promoting the circular economy
With its REFIBRA™ and Eco Cycle technologies, Lenzing offers solutions for transforming the textile and nonwovens industries towards a circular economy. In line with its vision for the circular economy, “We give waste a new life. Every day.” Lenzing is driving the industry toward a full circular economy by striving to give waste a new life in all aspects of its core business and developing circular solutions together with potential partners inside and outside the current value chain. A milestone on this path is the cooperation with the Swedish pulp producer Södra. The two global market leaders, who have been proactively promoting the circular economy in the fashion industry for many years, are joining forces to give the topic a further boost and make a decisive contribution to solving the global textile waste problem by making fibers from post-consumer textiles.

Today, Lenzing offers lyocell fibers made from 30 percent recycled cotton waste. The company aims to launch lyocell, modal and viscose staple fibers with up to 50 percent recycled post-consumer content on a commercial scale by 2025 and to develop a new circular business model by closing the loops for post-consumer waste. By 2025, the company plans to enter into further partnerships with 25 key supply chain companies.

ISKO has signed the Dutch Denim Deal for circular denim. The Denim Deal, a public-private initiative, was launched by the Dutch government following the EU Green Deal and the Circular Action Plan and includes agreements to make the denim textile chain more circular. In the deal, more than 40 parties, such as Scotch & Soda, PVH and Soorty, are working together to improve post-consumer textiles in the denim industry and make fiber recycling the new norm. The signatories cover a wide range of manufacturing companies, brands and stores, collectors, sorters, cutters, and weavers.

The main objective is to collectively produce a total of 3 million jeans with (a minimum of 20%) post-consumer recycled cotton (PCR) by the end of 2023. In addition, all parties have agreed that they will work together towards the standard of at least 5% recycled textiles in all denim garments as quickly as possible. The Denim Deal is also an opportunity to set up a 'reverse supply chain' for recycled cotton and create a systemic change to close the denim cycle.

Although the denim industry still has a negative image due to its high carbon footprint, in recent years many good steps have been taken in the field of recycling. But these steps are on a small scale, limiting the overall impact.
"The Dutch Denim Deal fits perfectly into ISKO's circular strategy," says Marc Lensen, ISKO Head of Global Communication. "Our scale and knowledge of sustainable technological solutions will increase the overall impact and accelerate circularity in the denim chain.”

Black Friday is known as the world's largest shopping event, which is constantly growing in size. Rather than offering highly promoted sales, a Finnish clothing company Pure Waste joined forces with HelsinkiMissio, an NGO battling loneliness in Finland. On Black Friday, instead of buying clothes anyone can donate a friend to people suffering from loneliness.

A Global survey shows that over a third of adults experience feelings of loneliness worldwide. Many who feel lonely try to cope by shopping, which in fact has been proven to aggravate loneliness and can even cause feelings of depression.¹

This is why HelsinkiMissio, a Finnish NGO battling loneliness, and Pure Waste, a Finnish clothing manufacturer, joined forces on Black Friday. All Pure Waste’s products on their webstore have been replaced with a chance to donate for HelsinkiMissio’s important work against loneliness.

“Black Friday is known as the biggest commercial event, but for lonely people it can actually be the darkest day of the year. This is why we wanted to shed light on this issue precisely today. We hope that together with Pure Waste we’re able to raise awareness on the issue and furthermore help lonely people”, says Tuula Colliander, Executive Director from HelsinkiMissio.

Black Friday stunt is executed together with Pure Waste, a Finland-based clothing manufacturer that has never taken part to Black Friday due to their values. The company, also known as a pioneer in textile recycling, makes its clothing from 100% recycled cotton, utilizing cutting waste from the textile industry.

¹ Pieters, Rik: Bidirectional Dynamics of Materialism and Loneliness: Not Just a Vicious Cycle. Journal of Consumer Research Volume 40, Issue 4, 1 December 2013, Pages 615–631.

The acoustic performance of components for the vehicle interior such as inner dashes or carpets depends on the noise-reducing quality as well as the geometrical adaptability and fill power of their material. With Flexi-Loft, Autoneum offers a new felt-based technology that thanks to a unique blend of recycled cotton and functional fibers reduces product weight and allows for accurate adaptation even to complex shapes. The textile material therefore provides a versatile and more sustainable alternative to foam.

In order to achieve high acoustic performance at minimum weight and maximum sustainability, Autoneum is continuously advancing its textile product portfolio. When it comes to components for the vehicle interior, for example, standard thermoplastic felts excel through their acoustic absorption, robustness and environmental friendliness. However, since felt-based materials are generally less voluminous and moldable as foam components, they require more weight to thoroughly fill the areas of varying thickness between the surface of the component and the vehicle’s body-in-white. In contrast, Autoneum’s Flexi-Loft technology is significantly lighter, more flexible and more adaptable than standard felts. In addition, the fiber-based material is versatile and clearly outperforms current foam products in terms of sustainability.

Thanks to its blend of recycled cotton and polyester fibers, Flexi-Loft substantially reduces component weight while improving geometrical adaptability and acoustic performance, especially in areas of low thickness. Thanks to the specific properties of the fibers, Flexi-Loft enables a precise adaptation to a wide variety of vehicle bodies, thereby improving the noise-insulating qualities of the respective product. Even at low weight, Flexi-Loft covers a wide range of material thicknesses, thus proving to be an ideal decoupling material for interior components with complex shapes such as inner dashes and automotive carpets. As a lightweight, flexible and sustainable alternative to both standard felts and foam, Flexi-Loft distinguishes itself by its versatile application in combination with existing Autoneum technologies such as Hybrid-Acoustics and Prime-Light. Moreover, the material helps to reduce odor and dust inside the vehicle.

Flexi-Loft consists of at least 50% recycled cotton fibers, and cut-offs generated during the manufacturing process are reclaimed, processed and then reused in the production of new felt blanks.

Autoneum is already using Flexi-Loft worldwide as an insulator for various carpets, inner dashes and other acoustic components based on its Prime-Light technology. The application of the material as an effective decoupler in inner dashes made of Hybrid-Acoustics will be launched on the European market in 2023.

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.”