From the Sector

In accordance with California’s Proper Labeling of Wet Wipes law (AB 818), state wastewater agencies and industry experts went deep to find out exactly what is passing through—and clogging up—municipal wastewater systems. The Responsible Flushing Alliance (RFA) alongside the California Association of Sanitation Agencies (CASA) and the Association of the Nonwoven Fabrics Industry (INDA) released the results from the largest known domestic sewage collection study conducted to reveal what’s really being flushed down the drain – and shouldn’t be.

“We took a forensic approach to this collection study, engaging industry and wastewater experts to examine our findings and determine what exactly is being flushed and how much of it,” said Adam Link, Executive Director at CASA, a co-sponsor of the Proper Labeling of Wet Wipes Law. “Now that we have the data to see what Californians are flushing and the types of non-flushable items that are causing issues within wastewater systems, local agencies can refine their public outreach and messaging to target specific problems and educate more efficiently.”

Collection and material investigation took place in October 2023 at two locations: Inland Empire Utilities Agency (IEUA) in Southern California and Central Contra Costa Sanitary District (Central San) in the greater San Francisco Bay Area in Northern California. Wastewater and wipes experts collected, sorted and identified more than 1,700 items pulled from the two locations during peak flow times. Kennedy Jenks, an independent engineering firm, designed the study and compiled the findings into the report.

Why Study What’s Being Flushed?
When products that aren’t meant to be flushed down the toilet wind up in the sewer system, it can cause serious threats to public and environmental health. In fact, estimates show that local public agencies throughout California (and the ratepayers they represent) are spending more than $47 million annually to repair wastewater treatment equipment and respond to sewer overflows caused by improper flushing.

“Part of keeping communities healthy requires not flushing things we shouldn’t,” said Lara Wyss, President of the RFA. “However, the data to support which non-flushable items to target as part of education campaigns has been lacking. That’s likely why when we surveyed Californians about what they are flushing, the results revealed that approximately 25% think baby wipes are flushable (which is never true) and 60% self-reported that they flushed something they knew they shouldn’t have.2 Our study results reinforce that finding, as more than 99% of materials collected were items that shouldn’t have been flushed.”

The breakdown of items collected from pipes at the two study locations included:
•    34.1% wipes labeled with the “Do Not Flush” symbol (baby wipes, cleaning wipes, makeup wipes, etc.)
•    64.9% other non-flushable items (paper towels, period products, trash, etc.)
•    0.9% wipes labeled as flushable

“We pulled material larger than 1-inch square directly from the bar screens, and it wasn’t until everything was sorted and identified that we could see what we actually had,” said Matt O’Sickey, Director of Education and Technical Affairs, INDA. “There were a lot of paper towels and baby wipes and all of the ‘Do Not Flush’ labeled wipes we collected were fully intact, showcasing why they should never be flushed.”

What Not to Flush—and How We Tell Consumers
According to the Proper Wet Wipes Labeling law, manufacturers of non-flushable wipes, including products such as baby wipes, cleaning wipes, makeup removal wipes and many others that are primarily used in a bathroom setting must include the “Do Not Flush” symbol on the front of the packaging.
The #FlushSmart consumer education campaign promotes the “Do Not Flush” symbol and provides information on what should and should not be flushed. The message shared with consumers is simple: Look for the “Do Not Flush” symbol on wipes packaging, and if you see it – throw the wipe out. Extrapolating from the results of this study, refraining from flushing “Do Not Flush” labeled wipes, paper products and feminine hygiene products would capture over 90% of items clogging sewers.

Textiles for technical applications often derive their special function via the application of coatings. This way, textiles become, for example wind and water proof or more resistant to abrasion. Usually, petroleum-based substances such as polyacrylates or polyurethanes are used. However, these consume exhaustible resources and the materials can end up in the environment if handled improperly. Therefore, the German Institutes of Textile and Fiber Research Denkendorf (DITF) are researching materials from renewable sources that are recyclable and do not pollute the environment after use. Polymers that can be produced from bacteria are here of particular interest.

These biopolymers have the advantage that they can be produced in anything from small laboratory reactors to large production plants. The most promising biopolymers include polysaccharides, polyamides from amino acids and polyesters such as polylactic acid or polyhydroxyalkanoates (PHAs), all of which are derived from renewable raw materials. PHAs is an umbrella term for a group of biotechnologically produced polyesters. The main difference between these polyesters is the number of carbon atoms in the repeat unit. To date, they have mainly been investigated for medical applications. As PHAs products are increasingly available on the market, coatings made from PHAs may also be increasingly used in technical applications in the future.

The bacteria from which the PHAs are obtained grow with the help of carbohydrates, fats and an increased CO₂ concentration and light with suitable wavelength.

The properties of PHA can be adapted by varying the structure of the repeat unit. This makes polyhydroxyalkanoates a particularly interesting class of compounds for technical textile coatings, which has hardly been investigated to date. Due to their water-repellent properties, which stem from their molecular structure, and their stable structure, polyhydroxyalkanoates have great potential for the production of water-repellent, mechanically resilient textiles, such as those in demand in the automotive sector and for outdoor clothing.

The DITF have already carried out successful research work in this area. Coatings on cotton yarns and fabrics made of cotton, polyamide and polyester showed smooth and quite good adhesion. The PHA types for the coating were both procured on the open market and produced by the research partner Fraunhofer IGB. It was shown that the molten polymer can be applied to cotton yarns by extrusion through a coating nozzle. The molten polymer was successfully coated onto fabric using a doctor blade. The length of the molecular side chain of the PHA plays an important role in the properties of the coated textile. Although PHAs with medium-length side chains are better suited to achieving low stiffness and a good textile handle, their wash resistance is low. PHAs with short side chains are suitable for achieving high wash and abrasion resistance, but the textile handle is somewhat stiffer.

The team is currently investigating how the properties of PHAs can be changed in order to achieve the desired resistance and textile properties in equal measure. There are also plans to formulate aqueous formulations for yarn and textile finishing. This will allow much thinner coatings to be applied to textiles than is possible with molten PHAs.

Other DITF research teams are investigating whether PHAs are also suitable for the production of fibers and nonwovens.

Vietnam is the subject of increasing investment across an array of industries, with its textile sector going from strength to strength in a short space of time. To give key players from across the textile spectrum an opportunity to make their presence felt in this market, the Vietnam International Trade Fair for Apparel, Textiles and Textile Technologies (VIATT) will make its debut from 28 February – 1 March 2024. Taking place at the Saigon Exhibition and Convention Center (SECC), the new fair will cover three main product sectors, namely apparel fabrics, yarns and fibres, and garments; home textiles; as well as technical textiles and nonwovens, textile processing, and printing technology.

In line with the industry’s anticipation, the country was identified as the ideal location for ASEAN’s new comprehensive textile platform for several key reasons. Vietnam’s pro-business policies, strategic geographical location, abundant labour force, and favourable trade agreements have contributed to its rise as a global textile manufacturing hub. Agreements such as the Regional Comprehensive Economic Partnership (RCEP); the Indo-Pacific Economic Framework for Prosperity (IPEF); and 15 free trade agreements (FTAs) covering over 60 countries and regions, will further enable participants from across the value chain to conduct cross-border business after connecting at next year’s show. In addition, several key travel initiatives that serve international players have been implemented, including the country’s APEC Business Travel Card programme^[1], availability of e-visas to all nationalities, and visa-free travel for select countries^[2].  

Exhibitors from multiple textile sub-sectors converge in February
In Vietnam’s home textile segment, rising urbanisation, emerging young consumers, and higher disposable incomes are interrelated factors driving growth^[3]. Globally, three of the top trends include recycling; utilising green fibres; and the increasing use of technical fabrics for enhanced comfort and health. At the fair, confirmed home textiles exhibitors include Hanyang Eco Tex, Hohmann GmbH, Phuong Nam Feather, and SIGMA, set to showcase their most up-to-date products, covering bedding, upholstery fabrics, curtain, and sun protection.
 
Utilised for automobiles, civil aviation, construction, health care, and more, Vietnam's exports of technical textiles reached USD 676.6 million for the first nine months of 2022, up 17.1% compared to the same period in 2021^[4]. This in turn bodes well for the country’s import prospects of quality machinery and equipment. Hoping to cater to domestic demand at VIATT 2024, international suppliers in this category include Julai, SIGMA, and Skwentex.

Meanwhile, apparel-related products make up the lion’s share of the country’s textile exports – according to Vietnam Textile & Apparel Association (VITAS), in 2022 these numbered USD 29.1 billion. From Ho Chi Minh to Hanoi, numerous international fashion brands have a manufacturing presence, including Adidas, H&M, Lacoste, Lululemon, Nike, The North Face, Uniqlo, and many more. At next year’s fair, exhibitors such as Avery Dennison, Lenzing, Stylem Takisada-Osaka, and Texwinca, will aim to draw the attention of apparel brands and a wide range of other domestic and international buyers.

The Vietnam International Trade Fair for Apparel, Textiles and Textile Technologies (VIATT) is organised by Messe Frankfurt (HK) Ltd and the Vietnam Trade Promotion Agency (VIETRADE), covering the entire textile industry value chain.

^[1] ‘Everything You Need to Know About Traveling to Vietnam with an APEC Business Travel Card’, April 2023, Vietnam Briefing, https://www.vietnam-briefing.com/news/apec-business-travel-card-vietnam.html/ (Retrieved: November 2023)
^[2] ‘Vietnam Introduces E-Visa for All Nationalities from August 15, 2023’, August 2023, Vietnam Briefing, https://www.vietnam-briefing.com/news/vietnam-introduces-e-visa-for-all-nationalities-from-august-15-2023.html/ (Retrieved: November 2023)
^[3] ‘Vietnam Home Textile Market Size & Share Analysis’, 2023, Mordor Intelligence, https://shorturl.at/wQVWZ (Retrieved: November 2023)
^[4] ‘Vietnam's technical fabric exports continue to be positive’, October 2022, Web Portal of Supporting Industry of Vietnam, https://shorturl.at/lmnvX (Retrieved: November 2023)

Radilon® Chill-fit is the new solution to maximise the breathability and freshness that a fabric can offer. The highly functional nylon yarn is capable of ensuring an intrinsic and permanent thermoregulation without the need for additional treatments while offering high protection against UV rays. Visitors will be able to touch and feel the yarn for the first time at the autumn edition of Performance Days, the reference trade fair for trends and innovations in yarn, fabric and accessories, to be held in Munich (Germany) on 4 and 5 October.

Radilon® Chill-fit’s high breathability allows air and moisture to pass through quickly, keeping the wearer fresh and comfortable: a result also proven by a specific test on body temperature changes (thermocamera test) comparing a garment made with traditional yarn and one made with Chill-fit.

INDA, the Association of the Nonwoven Fabrics Industry, is partnering with the Waterloo Filtration Institute to deliver the FiltXPO™ technical program on October 10-11, 2023 in Chicago, Illinois. The Waterloo Filtration Institute was instrumental in recommending program topics and world-class presenters.

Engineers, scientists, and industry professionals will gain the latest insights into the filtration and separation topics affecting the industry today and into the future. The program features presentations include: filter media technologies, advancements and opportunities in filtration machinery and equipment, innovations in clean air for homes and urban areas, standards and testing, industry trends and new developments, and filtration challenges and opportunities.

The keynote for this year’s event is “IAQ Is the New Black” presented by Suzanne Shelton, President & CEO, Shelton Group. Shelton will share the latest data around consumer views on health, safety, people, and the planet. Participants will gain an understanding of the filtration opportunities and the challenges manufacturers face in communicating the value of their products.

A preview of the subject matter experts includes:

• AAF Flanders – “Air Filter Standards Activity and What It Means for Innovation”
• Ahlstrom – “Expanding Wetlaid Filtration Media Performance Through Innovation”
• Air Techniques International – “Application of Automated Filter Tester in Quality Control Testing: Importance of Consistent Aerosol Particle Size Distribution”
• American Truetzschler, Inc. – “How Really Good Filter Media Is Made”
• CEREX Advanced Fabrics – “The Antimicrobial Nylon Advantage”
• Elsner Engineering Works, Inc. – “When Does Automation Make Sense”
• Hollingsworth & Vose – “Accelerating Membrane Adoption with ROI”
• INDA – “Beyond Porter’s Five Forces – When Regulation Reshapes Markets”
• MANN+HUMMEL GmbH – “Filtration for Cleaner Urban Mobility – Introducing Horizon Europe Innovation Action Aersolfd”
• NatureWorks – “Optimizing Biopolymers to Improve Filter Performance – A Spectrum of Approaches and Opportunities”
• Palas GmbH – “Influence of Temperature and Humidity to Filter Efficiency and Dust Holding Capacity”
• Ptak Consulting – “Residential Filtration – Performance Against Infectious Aerosols”
• The University of Georgia – “Recent Advances in Melt Blown Nonwovens and Filter Media Research”

New this year to FiltXPO are Lightning Talks. Lightning Talks are an opportunity to connect with new trends, products, innovations, and ideas with speakers rotating every eight minutes. Presenting companies include Ahlstrom, Elsner Engineering Works, Inc., Gottlieb Binder GmbH, TSI, and the Waterloo Filtration Institute.

The FiltXPO exhibition takes place October 10-12 and will run concurrently with the technical program.

Die AZL Aachen GmbH, bekannter Innovationspartner für Industriekooperationen auf dem Gebiet der Leichtbautechnologieforschung, startet eines neuen Projekts mit dem Titel "Trends und Designfaktoren für Wasserstoffdruckbehälter". Das Projekt wird Fragestellungen der Industrie in Bezug auf die Wasserstoffspeicherung adressieren.

AZL Aachen GmbH, a recognized innovator in lightweight technologies research and industry collaboration, announces the initiation of a new project titled "Trends and Design Factors for Hydrogen Pressure Vessels". The project aims to address industry needs surrounding hydrogen storage.

Hydrogen has gained significant attention as a key technological solution for decarbonization, with high pressure storage and transportation emerging as vital components. Its applications extend from stationary storage solutions to mobile pressure vessels employed in sectors such as transportation and energy systems.

The AZL team, renowned for its high reputation in providing market and technology insights as well as developing component and production concepts in the format of Joint Partner Projects seeks for companies along the whole composite value chain interested in further developing their application know how in this economically highly relevant field.

The project will provide an in depth exploration of market insights, regulatory standards, and intellectual property landscapes. Beyond this, there is a dedicated focus on staying updated with state of the art and advancements in design, materials, and man ufacturing techniques.

An integral component of the project involves the creation of reference designs by AZL´s engineering team. The reference designs will encompass a variety of pressure vessel configurations and will consider a diverse range of materials and production concep ts.

With the scheduled project start in October 2023, and a project timeline of approximately nine months, AZL encourages companies active across the composite value chain to participate. Companies interested in participating or seeking further information should reach out directly to the AZL expert team.

ADVANSA and Asia Pacific Fibers (APF) join forces to launch REMOTION®, a premium fibre for sports and activewear, made from recycled ocean-bound plastic bottles with full end-to-end traceability from Prevented Ocean Plastic™. REMOTION® offers a solution for textiles that merges ocean protection with built-in biodegradability. The fibres break-down in marine environments to prevent microplastic pollution of the oceans, a problem which can be the consequence of fibre-shedding from apparel laundry waste-water.

Remotion® offers a solution with various sustainable features such as biodegradability and recyclability, with customized performance features such as anti-bacterial properties and moisture management built-in to the fibre. Moreover, the fibre is also offered in customer curated colours that guarantee very good colour fastness. Thus, this “all-in-one” fibre contributes to a sustainable and healthy environment with savings in water, energy, chemicals, and CO2. The fibre is available in a range of filament and staple options with two variants: REMOTION® Blue made from ocean-bound plastic bottles, REMOTION® Green made from domestic recycled plastic bottles.

REMOTION® Blue is a specially engineered polyester fibre made from ocean-bound plastic as a premium raw material with a social aspect. ADVANSA and APF are cooperating with Prevented Ocean Plastic™, a global recycling initiative that helps tens of thousands of people around the world to clean their coastlines, prevent ocean plastic pollution and earn additional income. Discarded plastic bottles are picked up by plastic collectors from coastal areas at risk of ocean plastic pollution and are taken to collection centres. The plastic bottles are then sorted out, cleaned and processed into raw material flakes which are used as a premium ingredient for REMOTION® Blue range of products.

ADVANSA and Asia Pacific Fibers are launching REMOTION® at the Performance Days in Munich from 3-5 October 2023.

• Collaboration between Indorama Ventures and Toyobo to meet growing global demand for airbags
• Newly completed plant in Thailand will supply high-performance nylon yarn to customers in the automotive safety sector

Indorama Ventures Public Company Limited (IVL) celebrated the completion of a plant to manufacture high-performance nylon yarn for automobile airbags. The new plant in Rayong, Thailand, was constructed by Toyobo Indorama Advanced Fibers Co., Ltd. (TIAF), a joint venture that Indorama Ventures established with Toyobo Co., Ltd in November 2020.

The plant, which has been built on the site of Indorama Polyester Industries PCL (IPI) in Rayong Province, will deliver 11,000 tons of high-performance yarn per year to meet global demand for airbags that is expected to grow by 3 percent to 4 percent annually as automakers equip vehicles with more airbags and emerging economies require cars to adopt more safety features. Test production is scheduled to start in October 2022 with the goal of starting commercial production in the middle of 2023.

In 2014, Indorama Ventures and Toyobo jointly acquired Germany’s PHP Fibers GmbH, a leading airbag yarn maker. Since then, both companies have strengthened their relationship with a focus to expand in the automotive safety sector. Mr Christopher Kenneally, based in Bangkok, leads IVL’s Fibers segment, which produces fibers and yarns across its Hygiene, Mobility and Lifestyle verticals. Mr Ashok Arora, with over 30 years of experience in fibers and polymer operations, will helm TIAF as CEO while maintaining his role as CTO with IVL Fibers.

The future of e-mobility will be determined in particular by safe battery enclosures. As batteries for electric vehicles become more performant, higher volumetric energy density plays a crucial role. If more energy is to be stored in less installation space, new material and design solutions are required. The development of suitable enclosures made of safe and highly robust lightweight materials is also required. This is a case for the Aachen Centre for Integrative Lightweight Production (AZL). A project on cell-to-pack battery enclosures for battery-electric vehicles, which has been eagerly awaited in the industry, will start in October this year there.

The design of battery housings is crucial for safety, capacity, performance, and economics. The Cell-to-Pack project, which is starting now, will focus on developing concepts for structural components and for producing them based on a variety of materials and design approaches. The concepts will be compared in terms of performance, weight and production costs, creating new know-how for OEMs, producers and their suppliers throughout the battery vehicle value chain. Companies are now invited to participate in this new cross-industry project to develop battery enclosure concepts for the promising and trend-setting cell-to-pack technology.

The basis for the project is the lightweight engineering expertise of the AZL experts, which they have already demonstrated in previous projects for multi-material solutions for module-based battery housings. Together with 46 industry partners, including Audi, Asahi Kasei, Covestro, DSM, EconCore, Faurecia, Hutchinson, Johns Manville, Magna, Marelli and Teijin, 20 different multi-material concepts were optimized in terms of weight and cost and compared with a reference component made from aluminum. All production steps were modelled in detail to obtain reliable cost estimates for each variant. Result: depending on the concept, 20% weight or 36% cost savings potential could be identified by using multi-material composites compared to the established aluminum reference.

It is expected that the design concept of battery enclosures will develop in the direction of a more efficient layout. In this case, the cells are no longer combined in modules in additional production steps, but are integrated directly into the battery housing. The elimination of battery modules and the improved, weight-saving use of space will allow for higher packing density, reduced overall height and cost saving. In addition, various levels of structural integration of the battery housing into the body structure are expected. These new designs bring specific challenges, including ensuring protection of the battery cells from external damage and fire protection. In addition, different recyclability and repair requirements may significantly impact future designs. How the different material and structural options for future generations of battery enclosures for the cell-to-pack technology might look like and how they compare in terms of cost and environmental impact will be investigated in the new AZL project. In addition to the material and production concepts from the concept study for module-based battery enclosures, results from a currently ongoing benchmarking of different materials for the impact protection plate and a new method for determining mechanical properties during a fire test will also be incorporated.

The project will start on October 27, 2022 with a kick-off meeting of the consortium, interested companies can still apply for participation until then.

• Results of experiments conducted by the University of California’s prestigious Scripps Institution of Oceanography in San Diego provide further scientific proof that LENZING™ fibers offer an effective substitute to synthetic fibers that are part of the pressing problem of plastic pollution in our oceans.

Lenzing/San Diego – The Lenzing Group, a world-leading provider of wood-based specialty fibers, has received further scientific proof of the biodegradability of its fibers. In a study published in October 2021 , scientists from the prestigious academic research institute Scripps Institution of Oceanography (SIO) at the University of California, San Diego confirmed that wood-based cellulosic fibers biodegrade in the ocean within a short period of time at the end of their life cycle, making them a better alternative to fossil-based fibers. The research was the result of an independent project trying to understand the “end-of-life” scenarios for textiles and nonwovens discarded in the environment.

SIO has a global reputation for being one of the oldest, largest and most important marine research centers worldwide. In this study, SIO compared the degradation processes of nonwovens made from fossil-based synthetic materials such as polyester with those of cellulosic materials such as Lenzing’s wood-based lyocell, modal and viscose fibers in specific scenarios – under various real oceanic conditions and controlled aquaria conditions. The results of these experiments are striking: while wood-based cellulosic fibers fully biodegraded within 30 days, the fossil-based fibers tested were practically unchanged after more than 200 days.

The biodegradability of LENZING™ fibers was also tested in the laboratory of Organic Waste Systems (OWS) in Belgium – one of the world's leading companies in biodegradability and compostability testing – which showed data confirmed by those found with the real-life measurements at Scripps. The OWS assessment was conducted in accordance with applicable international standards and reflects relevant natural and artificial conditions in which biodegradation can occur. Certificates from the certification organization TÜV Austria show that LENZING™ fibers rapidly biodegrade in all test environments (soil, industrial composting, home composting, fresh water and marine water) within the time frames set by the applicable standards.

Lenzing also welcomes the EU’s targeted measures to combat plastic waste in general, such as those relating to the single-use plastic directive (EU) 2019/9043. In its recently adopted guidelines for implementing the directive, the EU Commission stipulates the specific products that fall under this category, which is a well-needed effort to provide clarity to the EU member states for their joint campaign against environmental pollution from plastic waste. Lenzing’s wood-based, biodegradable cellulosic fibers can be part of a sustainable and innovative solution to this man-made problem that will continue to grow. As of July 2021, the single-use plastic directive sets out standardized labelling requirements for certain products, either on packaging or on the products themselves, which include plastic-based feminine hygiene products and wet wipes for body care or household use. This is a start to tackle the problem: educate the consumer and offer alternative materials with better circularity.