From the Sector

The kick-off meeting for the "Trends and Design Factors for Hydrogen Pressure Vessels" project, recently held at AZL Aachen GmbH, was a successful event, bringing together more than 37 experts in the field of composite technologies. This event laid a solid foundation for the Joint Partner Project, which currently comprises a consortium of 20 renowned companies from across the composite pressure vessel value chain: Ascend Performance Materials, C evotec GmbH, Chongqing Polycomp International Corp. (CPIC), Conbility GmbH, Elkamet Kunststofftechnik GmbH, F.A. Kümpers GmbH & Co. KG, f loteks plastik sanayi ticaret a.s., Formosa Plastics Corporation, Heraeus Noblelight GmbH, Huntsman Advanced Materials, Kaneka Belgium NV, Laserline GmbH, Mitsui Chemicals Europe GmbH, Plastik Omnium, Rassini Europe GmbH, Robert Bosch GmbH, Swancor Holding Co. Ltd. Ltd., TECNALIA, Toyota Motor Europe NV/SA, Tünkers do Brasil Ltda.

The project follows AZL´s well proven approach of a Joint Partner Project, aiming to provide technology and market insights as well as benchmarking of different material and production setups in combination with connecting experts along the value chain.

The kick-off meeting not only served as a platform to foster new contacts and get informed about the expertise and interests of the consortium members in the field of hydrogen pressure vessels, but also laid the groundwork for steering the focus of the upc oming project's ambitious phases. As a basis for the interactive discussion session, AZL outlined the background, motivation and detailed work plan. The central issues of the dialogue were the primary objectives, the most pressing challenges, the contribut ion to competitiveness, and
the priorities that would best meet the expectations of the project partners.

Discussions covered regulatory issues, the evolving value chain and the supply and properties of key materials such as carbon and glass fibres and resins. The consortium defined investigations into different manufacturing technologies, assessing their matu rity and potential benefits. Design layouts, including liners, boss designs and winding patterns, were thoroughly considered, taking into account their implications for mobile and stationary storage. The group is also interested in cost effective testing m ethods and certification processes, as well as the prospects for recycling into continuous fibres and the use of sustainable materials. Insight was requested into future demand for hydrogen tanks, OEM needs and strategies, and technological developments to produce more economical tanks.

The meeting highlighted the importance of CAE designs for fibre patterns, software suitability and the application dependent use of thermoset and thermoplastic designs.

The first report meeting will also set the stage of the next project phase, which will be the creation of reference designs by AZL's engineering team. These designs will cover a range of pressure vessel configurations using a variety of materials and production concepts. The aim is to develop models that not only re flect current technological capabilities, but also provide deep insight into the cost analysis of different production technologies, their CO₂ footprint, recycling aspects and scalability.

AZL's project remains open to additional participants. Companies interested in joining this initiative are invited to contact Philipp Fröhlig.

Toray Industries, Inc. announced the successful development of recycled carbon fiber (rCF) derived from the production process of the Boeing 787 components using Toray’s advanced carbon fiber, TORAYCA™. The rCF, which is based on pyrolysis recycling process, has been integrated into the Lenovo ThinkPad X1 Carbon Gen 12 as reinforcement filler for thermoplastic pellets. Toray and Lenovo will continue to collaborate to expand the usage of rCF in other Lenovo products.

Toray rCF is the outcome of Boeing and Lenovo’s shared commitment to minimize their environmental impact. Boeing’s objective is to reduce solid waste going to landfill and produce recyclable materials, while Lenovo has been exploring materials to reduce the carbon footprint of their products. Toray rCF connects these visions by repurposing Toray’s high-performance carbon fiber from the Boeing aircraft production process into Lenovo’s ultra-light laptop PC.

TORAYCA™ is an established aerospace material known for its high strength, stiffness, and lightweighting properties. These qualities have led to its adoption in other applications such as electrical and electronic equipment housings, sports equipment, and other industrial applications.

A key advantage of carbon fiber is the ability to retain its primary mechanical properties even after the recycling process. Toray is actively advancing recycling technologies and establishing a strategic business model for rCF. Given that the carbon footprint of rCF is lower than that of virgin carbon fiber, Toray is proactively recommending the adoption of rCF to reduce the environmental impact of customers’ products. This commitment aligns with Toray’s dedication to fostering a circular economy, thereby reducing landfill waste.

With the growing demand among brands and consumers for plastic-free materials and ingredient transparency, VEOCEL™, the flagship specialty nonwovens brand of Lenzing Group, showcased LENZING™ Lyocell Dry fiber at Hygienix 2023. LENZING™ Lyocell Dry fiber which is not classified as “plastic” according to EU SUPD, meets the growing interest for plastic-free nonwoven products across the industry and among consumers. Additionally, along with being an environment-friendly solution, the fiber delivers high-performance dryness and comfort which makes it the optimum fiber choice for absorbent hygiene applications.

Comprised of mostly fossil-based materials, absorbent hygiene products are an essential part of many consumers’ daily lives. With heightened concerns towards environmental impact, the product segment has been undergoing a change caused by shifting consumer preferences, increased consciousness and concerns towards plastic waste, and technology advancement. LENZING™ Lyocell Dry fiber has embraced these changes without compromising on quality or performance.

LENZING™ Lyocell Dry is a cellulosic environment-friendly wood-based alternative to fossil-based fibers. Besides offering great performance features such as liquid management, dryness, gentle-on-the-skin comfort, softness, and quality, LENZING™ Lyocell Dry helps to meet the needs of customers who are aiming to produce plastic-free applications or end products that do not harm the planet without compromising on performance or comfort.

Featuring Lenzing’s unique Dry technology, LENZING™ Lyocell Dry’s hydrophobic characteristics and liquid-controlling properties make it the ideal fiber for absorbent hygiene products. Its high-performing hydrophobicity makes it the optimal choice for a wide range of applications, including baby diapers, feminine care and personal hygiene products as well as adult incontinence products.

The fiber has consistently been tested by Lenzing as the softest* fiber among cellulosic fibers in both dry and wet stages. LENZING™ Lyocell Dry will enable brands and manufacturers to deliver quality hygiene products that provide a high level of comfort, softness, and dryness.

*Lenzing AG softness panel test

Eastman Naia™ Renew cellulosic fiber received Global Recycled Standard (GRS) certification on December 13. This certifies Naia™ Renew recycled content, chain of custody, social and environmental practices, and chemical restrictions.

Textile Exchange, a global non-profit for sustainable change in the fashion and textile industry, manages the GRS certification process. Certification is achieved through an audit from independent third-party certifying body SCS Global Services and applies to the full supply chain and addresses traceability, environmental principles, social requirements, chemical content and labeling.

"We’re honored to add GRS certification to our list of Naia™ certifications that support our sustainability goals,” said Claudia de Witte, sustainability leader for Eastman textiles. “Third-party certifications help us build our brand trustworthiness. It’s our goal to make sustainable textiles available to all, and we do that by building trust with our customers and collaborators. This certification adds even more credibility to our fibers and our sustainability story, which we’re proud to share.”

In June 2023, Textile Exchange made an important announcement regarding its Alternative Volume Reconciliation (VR2) policy, which broadened the range of chemical recycling technologies eligible for mass balance. Notably, this expansion now encompasses gasification, the technical description of Eastman’s molecular recycling technology known as carbon renewal technology. Eastman collaborated with Textile Exchange and other stakeholders to educate the industry about the value and contribution of its molecular recycling technology. This policy update is critical for Eastman because it allows the company’s innovative material-to-material recycling technology to be audited for GRS certification.

Molecular recycling technologies at Eastman break waste down into its molecular building blocks allowing the materials to be used in new materials that are indistinguishable from non-recycled materials. By expanding the GRS to include gasification, the global standard now allows for a broader approach to making sustainable textiles accessible to everyone.

In recent years, the textiles industry has shifted toward circular materials to help tackle one of the largest challenges facing the planet: waste pollution, especially textile waste. Eastman molecular recycling is complementary to mechanical recycling and is a solution for hard-to-recycle waste material, including textiles, which are impacted by factors like fiber blends, chemicals and additives.

Naia™ Renew is produced from 60% sustainably sourced wood pulp and 40% GRS-certified* waste materials that would otherwise be destined for landfills through Eastman's patented molecular recycling technology. The certification verifies the processes of chemical recycling, concentrating, extrusion, and spinning of the undyed yarns and fibers.

Autoneum’s sustainable, textile and lightweight Propylat technology reduces both interior and exterior noise of vehicles. Propylat was originally developed by Borgers Automotive, which was acquired by Autoneum in April 2023. The versatile technology is characterized by a flexible material composition of natural and synthetic fibers with a high recycled content and contributes to significant waste reduction thanks to its complete vertical integration. In addition, the fully recyclable technology variant Propylat PET is now part of the sustainability label Autoneum Pure.

The ongoing electrification of mobility as well as increasingly strict regulatory requirements for vehicle performance in terms of sustainability and acoustics are presenting new challenges to car manufacturers worldwide. With Propylat, Autoneum now offers another lightweight, fiber-based and versatile technology whose sound-insulating and -absorbing properties as well as high content of recycled materials help customers address these challenges. Propylat-based products not only contribute to reducing pass-by noise and improving driver comfort, but they are also up to 50 percent lighter than equivalent plastic alternatives; this results in a lower vehicle weight and, consequently, less fuel and energy consumption as well as lower CO2 emissions.

Autoneum's innovative Propylat technology consists of a mixture of recycled synthetic and natural fibers – the latter include cotton, jute, flax or hemp, for example – that are consolidated using thermoplastic binding fibers without adding any further chemical binders. Thanks to the flexible fiber composition and the variable density and thickness of the porous material, the properties of the respective Propylat variant, for example with regards to acoustic performance, can be tailored to individual customer requirements. This allows for a versatile application of the technology in a variety of interior and exterior components such as wheelhouse outer liners, trunk trim, underbody systems and carpets. For instance, Propylat-based wheelhouse outer liners significantly reduce rolling noise both inside and outside the vehicle while at the same time offering optimum protection against stone chipping and spray water.

In terms of sustainability, Propylat always contains a high proportion of recycled fibers – up to 100% in some variants – and can be manufactured with zero waste. Thanks to the full vertical integration of Propylat and Autoneum’s extensive expertise in recycling processes, the technology also contributes to a further significant reduction in production waste. Moreover, the Propylat PET technology variant, which consists of 100% PET, of which up to 70% are recycled fibers, is fully recyclable at the end of product life. For this reason, Propylat PET has been selected for Autoneum Pure – the Company’s sustainability label for technologies with excellent environmental performance throughout the product life cycle – where it will replace the current Mono-Liner technology going forward.

Propylat-based components are currently available in Europe, North America and China.

Faster and more cost-effective carbon fibre production - the technology of the start-up CarboScreen comes a good deal closer to this dream. The founders Dr. Musa Akdere, Felix Pohlkemper and Tim Röding from the Institut für Textiltechnik (ITA) of RWTH Aachen University are using sensor technology to monitor carbon fibre production, thereby doubling the production speed from the current 15 to 30 m/min in the medium term and increasing turnover by up to €37.5 million per year and system. This ground-breaking development also impressed the jury at the ITMF at their Annual Conference in Keqiao, China, and was honoured with the ITMF StartUp Award 2023 on 6 November 2023.

Dr. Musa Akdere accepted the award on behalf of the CarboScreen founding team.

Carbon fibres can only develop their full potential if they are not damaged during production and further processing. Two types of fibre damage occur more frequently during fibre production: Superficial or mechanical damage to the fibres or damage to the chemical structure.

Both types of damage cannot be optimally detected by current means or only become apparent after production, to name just two examples. This leads to higher production costs. In an emergency, faulty production can even lead to plant fires. For this reason, and to ensure good production quality, the system is run at 15 m/min below its production capacity for safety reasons. However, 30 m/min or more would be possible. With the sensor-based online monitoring of CarboScreen, the production capacity can be doubled to 30 /min. This would lead to higher production, resulting in lower manufacturing costs and wider use of carbon fibres in mass markets such as automotive, aerospace and wind energy.

HeiQ announces the appointment of Robert van de Kerkhof as Non-Executive Director, with effect from 1 January 2024 to the board of HeiQ plc and as Chairman of the Environmental, Occupation, Health & Safety and Sustainability Committee. Robert will also be appointed to the board of HeiQ AeoniQ Holding AG (in Switzerland), a subsidiary of HeiQ plc.

Robert van de Kerkhof has over 30 years of experience in general management and sustainability leadership and extensive knowledge of the textiles industry, including cellulosic fiber technology. He founded PEPPER-i2, an advisory company specializing in sustainability and circularity. Robert also serves as the Chief Sustainability Officer and as a Board Member of Lenzing AG, a position he has held since 2014. Robert will be leaving Lenzing and its Board on the 31st. December 2023.

Robert joins HEIQ AeoniQ™ with the firm belief that the novel HEIQ AeoniQ™ man-made cellulosic fibers (MMCF) are one of the most promising solutions to transform the textile industry, now the second-most polluting in the world, into one of the most sustainable, by rendering fossil fuel-based fibers like polyester obsolete.

Robert has also held senior positions as President of the Austrian Fiber Institute, President and Board Member of CIRFS – the European Man-made Fibres Association, and Chairman of the ReHubs Business Council for Euratex, which is the voice of the European Apparel and Textile Industry.

Twice a year ISPO recognizes innovative fibers, fabrics and components that are used to manufacture sports apparel. Two innovations from Hologenix have scored wins in the ISPO Textrends Fall/Winter 2025/2026 Awards: CELLIANT® with REPREVE® Nylon, introduced with textile solutions provider UNIFI®, makers of REPREVE®, and CELLIANT® Print. They were both Selections in the Fibers & Insulations Category.

CELLIANT with REPREVE Nylon
CELLIANT with REPREVE Nylon consists of CELLIANT infrared (IR) technology embedded into REPREVE. REPREVE creates high-quality fibers made from 100% recycled materials, including post-consumer plastic bottles and preconsumer waste. CELLIANT with REPREVE Nylon is strong and durable with great stretch and a silky hand. It is ideal for underwear, stockings, tights/leggings, socks, seamless knits, baselayers and many other categories. With CELLIANT’s ability to convert body heat into infrared energy, improving local circulation and cellular oxygenation, it also provides performance for outdoor/sportswear, outerwear, swimwear among other categories. This is the second carrier type for CELLIANT with REPREVE, as it was introduced in polyester last fall and won three awards.

CELLIANT Print
CELLIANT Print makes the natural blend of IR-generating bioceramic minerals more widely available from Hologenix as a printed coating, expanding the uses of the technology. Traditionally, CELLIANT has been embedded directly into fibers, yarns and fabrics. However, for its print applications, CELLIANT fine mineral powder can be adhered to many different fabric types as a topical coating, making CELLIANT Print a versatile and cost-effective solution. Key CELLIANT partners, such as Under Armour with their UA RUSH™ line, and KT Tape with its PRO Oxygen™ kinesiology tape utilize CELLIANT Print. Safe and CELLIANT® Print CELLIANT® with REPREVE® Nylon durable, CELLIANT Print has undergone mechanical testing for wash tests and can be confirmed to last the useful life of the product, for 50+ washes.

Tampon for Men by Finnish hygiene product brand Vuokkoset aims to alleviate the distress transgender men feel related to menstruation. The creative partner behind the idea is TBWA\Helsinki. The product was launched during the international Transgender Awareness Week and sparked a discussion in Scandinavia of the inclusivity of the health and wellness industry.

Research has shown that 93% of transgender men have experienced gender dysphoria related to menstruation. With a tampon designed for men, Vuokkoset sparked a vivid conversation in Finland during the International transgender awareness week (Nov 13 to 19, 2023) with an aim to change perceptions of menstruation and reduce the distress it causes to transgender men.

“Marketing has a huge role in shaping the world around us. As Finland’s leading creative agency and the leading global agency collective, we have an immense responsibility in actively making the world more inclusive. Vuokkoset is a brand that shares this value base and was brave enough to put the campaign together with us in just four short weeks” says Heidi Taina, creative director from TBWA\Helsinki.

Trans men and non-binary individuals may still have menstrual cycles, regardless of hormone therapy choices. This highlights the diversity in experiences related to menstruation among different gender identities.

"When I was young, menstruation felt not only strange but somehow wrong. Our culture does not really acknowledge the diversity of menstruating individuals" says DEI consultant and face of the campaign Dakota Robin, who has been through the gender affirming process himself.

The Tampon for Men will be available as a limited edition in Finland and wider distribution will begin in early 2024. Total sales proceeds are donated to Trasek ry, an organization focused on gender diversity and sexual health. A fully gender-neutral tampon product by Vuokkoset is also being considered.

"Menstrual products - from visuality, advertising to store location - are strongly feminine. It’s time to acknowledge the diversity of menstruating individuals" says Sanna Karhu, CEO of Delipap Oy, the company that manufactures Vuokkoset products.

"This is definitely a step in the right direction. By changing attitudes and broadening perspectives, we can also remove discrimination against gender minorities," concludes Dakota Robin.

The adoption of composite parts based on flax fibres by the Marine Industry continues to grow, with major OEMs as well as smaller shipyards now aiming to take advantage of the reduced carbon impact and impressive mechanical properties they can provide.

“Over the last ten or fifteen years, several innovative flax fibre boats have been built and the fibre has started to gain significant traction,” says Julie Pariset, Innovation & CSR Director at the Alliance for European Flax-Linen and Hemp. “In addition to the environmental benefits, manufacturers are realising significant technical and processing gains with flax fibre composites.”

“Flax is a very low-density fibre, with a high specific stiffness,” she explains. “It can be used to manufacture composite laminates with mechanical properties not dissimilar to typical E-glass composites and the coefficient of thermal expansion of a flax fibre epoxy part is also quite close to that of a carbon fibre part.” This allows the materials to work well in combined assemblies with carbon fibre composites and the flax parts are also highly impact resistant.

Flax fibres also provide acoustic and vibration damping in composite applications, as well as providing a warm and aesthetically pleasing appearance below decks.

ecoRacer30
As a member of the Alliance for European Flax-Linen and Hemp, Bcomp, headquartered in Fribourg, Switzerland, has this year been working with Northern Light Composites (nlcomp), based in Monfalcone, northern Italy, on the creation of what is billed as the first fully recyclable nine-metre-long sailing boat – the ecoRacer30.

The boat is based on nlcomp’s proprietary rComposite technology – a combination of thermoplastic resins and BComp’s ampliTex high-performance natural fibre reinforcement fabrics and patented powerRibs technology.

It was built in a collaborative effort with the help of Barcelona-based Magnani Yachts, which took care of the composite manufacturing, and Sangiorgio Marine, which provided technical assistance as the boat was being assembled at its shipyard in Genova, Italy.

Magnani Yachts has subsequently become the first shipyard to hold an rComposite license and others are now being encouraged to adopt the technology.

The second ecoracer30 is currently under construction and has already been sold and nlcomp is planning to build a fleet of eight of these boats in time to enter a series of regattas in the summer of 2025.

Flax 27 Daysailer
Greenboats, based in Bremen, Germany, is another specialist in building boats from natural fibre composites and has this year launched the Flax 27 daysailer.

The lower hull of this vessel is also made from Bcomp’s ampliTex technical fabrics in combination with a sandwich core of recycled PET bottles. Using a vacuum infusion process, the fibres were integrated with a plant-based epoxy resin in order to further reduce the CO₂ footprint of the vessel.

The light structure and modern shapes of the lower hull of the boat result in very fast, sharp and agile handling on the water.

Greenboats has also recently announced significant new backing from alliance member Groupe Depestele, which manages 13,000 hectares of flax land in Normandy, France.

Blue Nomad
A project in Switzerland has meanwhile proposed the use of flax fibre composites in solar-powered habitats designed for comfortable living on the oceans – as the world grapples with the frightening implications of climate change and rising sea levels.

As envisaged by students from Institut auf dem Rosenberg in St Gallen, Switzerland working with Denmark-based SAGA Space Architects, Blue Nomad structures would form modular blocks to establish large communities and oceanic farms.