From the Sector

• Specialised in dye-sublimation printing, the Italian company has conquered the heights of the high fashion sector with its top-quality printed fabrics.
• With its recent investment in a direct-to-fabric printing line, Digitak is preparing to expand its range of printed products, focusing on fabric differentiation.

Dye sublimation printing of high fashion designs is the beating heart of Digitak, an Italian company specialised in digital textile printing. Operating in the textile district of Lombardy, Italy, the company has established itself among the main suppliers in the world of high fashion and sportswear in just under 15 years.

Making production versatility one of the cornerstones of its philosophy, Digitak has continued to invest in technology, as well as research and development its product portfolio. This forward-thinking approach has enabled the company to guarantee innovative, personalised products with meticulous attention to detail, with the highest – almost obsessive – standards of quality and maximum design flexibility. Over the years, the extensive experience gained by the company’s management in the field of sublimation with traditional and digital techniques, combined with their investment decisions have allowed Digitak to enhance its production performance, gradually implementing higher quality standards and differentiating itself from the competition in the complex and competitive sector of high fashion. An important feat, which has not, however, dampened its enthusiasm and willingness to continue growing and exceeding its goals. The company’s latest investment in a direct-to-fabric digital printing line with pigment ink propels the company into a new and promising production dimension.

Sublimation printing specialists

Since Digitak’s establishment, Filippo Taccani, the founder and current owner of the company, had set himself a clear and ambitious objective: “I wanted to take up the challenge of operating digitally - printing fabrics using this innovative technology to create products on a par with those  I had achieved with traditional sublimation textile printing methods during my previous work experience.”

The purchase of a Mimaki JV4 plotter, one of the first to be installed in Italy, marked the beginning of Digitak’s adventure. “To start the business, I needed a printing system that could operate with dispersed inks to print on polyester and I found the JV4 to be the best option,” explains Taccani. “It was an excellent decision, because I used these plotters to build the company and its success.”

The first Mimaki plotter was in fact followed by a second and a third. When it bought the fifth, the company moved to an industrial unit in Tradate (Varese) – Digitak’s current site – which now houses around fifteen Mimaki JV33 plotters, in addition to three Mimaki TS500-1800 wide-format sublimation printers, and a Mimaki TS300P-1800 high-speed sublimation printer. This Mimaki powered production facility – which is one of the company’s core strengths – was recently expanded with the addition of a Mimaki TX300P-1800B belt-type hybrid printing system, together with a Mimaki TR300-1850C textile coater and a Mimaki Tiger-1800.

“Naturally, over the years, we have also tested printing systems from other suppliers, but we have always returned to Mimaki. With high fashion as our key market, we need to guarantee our customers the highest levels of quality and, to date, we have never found solutions that beat the quality of this Japanese brand’s technology.”

According to Taccani, the difference lies in the “calligraphy” of Mimaki’s machines, that is the line of the ink on the fabric: “Unlike its competitors, Mimaki has focused on the ‘waveforms’, i.e. the electronics associated with the print heads. This attention paid to the way the ink jet is managed from the print head has allowed Mimaki to achieve unparalleled levels of accuracy, an aspect that has given my company a clear competitive edge.”

Moreover, at Digitak, quality comes before quantity: “We prefer to dedicate an extra day to production to guarantee the customer a final product that fully meets requirements and expectations. Mimaki’s technology not only suits this business model bult on top quality, but it crucially enables it.”

Operational and creative flexibility

Digitak currently prints around 2,000 linear metres of fabric per day. Its portfolio ranges from clothing and scarves, to beach and swimwear, with related personalised accessories, to sportswear, with technical properties such as breathability, comfort, resistance to external agents. The company have even added customised outdoor furniture to their offering of diverse and creative products.
The company’s machines operate continuously, 24/7. During the day, the machines are mainly used to develop and produce samples and colour proofs, while the actual production is carried out at night. “Thanks to our technology, we have developed an extraordinary operational flexibility. The fact that we have so many plotters allows us to work on multiple designs at the same time and to launch projects that are also very different from one another,” explains Taccani. “There are also some other crucial factors that have contributed, and continue to contribute, to increasing our production efficiency. The reliability of Mimaki’s solutions and the remote monitoring option offered is key. Once the standard start-up monitoring has been carried out and the machines are found to be printing correctly, we can let them work overnight without an operator. This is a great benefit for people who, like us, manage such a large and diverse fleet of machines.”

Digitak takes the same approach to customer service. Faced with an increasingly demanding market in terms of creativity, precision and completeness of service, the company wants to guarantee flexibility and customisation. “We decided to set up a department dedicated to the pre-press stage, in charge of preparing and checking the files supplied by customers. Seldom do our teams not need to do some editing of the files supplied, even if it’s only to make small changes that are essential for the print document to be as suitable as possible and to achieve the best final result.”

Technologies of the future

With a view to further enhancing production and customer service, Taccani has chosen to take on a new challenge, switching things up with some of the most recent investments.

While maintaining the focus on dye sublimation printing, Taccani has focused on technological diversification by installing a direct-to-fabric digital printing line. This consists of a Mimaki TX300P-1800B printing system with pigment inks and a TR300-1850C coater from Mimaki’s TR series. “The market continues to evolve and now requires even more flexibility regarding both processes and the fabrics supplied. This means that great opportunities exist for a print shop capable of simultaneously producing the same design – with minimal colour adjustment – on different fabrics, guaranteeing similar and accurate results. And this is precisely the path we are taking,” says Taccani. “Why have we opted for Mimaki again? Well, I had an opportunity to try out their new pigment inks and I immediately realised that they are a generation ahead of the other pigments available on the market. The cyan is very clean, the black is deep and there is a very interesting fullness of colour, suitable not only for furnishings, but also for other applications in the clothing sector.”

With its pigment inks, the new direct-to-fabric printing line allows Digitak to explore other related market segments. Thanks to the innovative automatic belt system, the TX300P-1800B guarantees good productivity and high-quality results. A standard of quality that is also boosted by the TR300-1850C fabric pre-treatment system: “This coater is essential for ensuring the best possible preparation of fabrics for printing. In fact, we are able to treat fabrics to make them suitable for the type of print they are intended for, sanitise them for specific applications and, in some cases, even dye them, with excellent quality.”

According to Taccani, another beneficial factor of direct-to-fabric pigment printing technology is the eco-sustainability of the process and its lower environmental impact. “We are proud to be able to offer our customers excellent printing results using little water and printing in ‘green mode’, with both the technologies we have available. I consider them winning technologies for the future, as both dye sublimation printing and direct-to-fabric printing with pigment inks use little water while mainly requiring the use of energy. Therefore, if you use renewable energy, then you’re done.”

Digitak’s other trump card is the Tiger-1800 installed in 2019. With this industrial printing system, the company aims to increase production volumes while maintaining its high-quality standards and further optimising costs. “We are excited to have these promising technologies available to us in-house. We are currently experimenting with these solutions, testing new opportunities and evaluating which paths to take to stay ahead of the game,” concludes Taccani.

• Joint proposal of TUD and RWTH Aachen University

On 29 May, the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) decided to fund the Collaborative Research Centre (CRC)/Transregio 280 "Carbon reinforced concrete" at Technische Universität Dresden, short TUD, and RWTH Aachen University with the participation of the Institut für Textiltechnik, short ITA, with 12 million euros over the next four years.

The CRC/Transregio 280 “Design Strategies for Material-Minimised Carbon Reinforced Concrete Structures - Principles of a New Approach to Construction” breaks with the traditional way of designing reinforced concrete plants. The interdependence of reinforcement and matrix is being investigated in depth and a completely new design and construction strategy for building with carbon reinforced concrete is being developed.

Carbon reinforced concrete enables completely new design and construction possibilities in the building industry. The reasons for this are its very high strength and the possibility of a very low concrete overlay of only a few millimetres, as carbon, unlike structural steel, does not rust. However, the successful use of the new material, which was awarded the German Future Prize in 2016, requires completely new design and production strategies, which are being investigated in the CRC/Transregio.

Up to now, textile reinforcements have been coated and cured prior to component manufacture. This process is called offline consolidation. These stiff semi-finished products are not suitable for the production of complex components based on new, digital and continuous manufacturing processes (including 3D concrete printing and concrete extrusion). Therefore, ITA is investigating in the sub-project B02 of the CRC/Transregio how forming and consolidation steps are shifted in time by prepreg systems into the concreting process and how they can be applied within the new digital continuous manufacturing processes. In addition to established curing mechanisms, such as by heat or UV radiation, new approaches are also being researched. These new approaches include activation via the alkalinity of the concrete, microwaves and induction

The TUD and RWTH Aachen were awarded the grant on the basis of many years of experience in the research field of textile reinforced concrete. The material textile reinforced concrete was developed in two special research areas at both universities from 1999-2011 and was first fundamentally researched.

19 individual institutes are involved in the CRC/Transregio 280. The spokesman of the TUD is Professor Dr Manfred Curbach, the spokesman of the RWTH is Professor Dr Josef Hegger.

• Flexographic printing press includes award-winning SteadyPrint anti-bounce technology

Paper Converting Machine Company (PCMC), part of Barry-Wehmiller, has announced the sale of a second Fusion C printing press to Legacy Flexo Corp. in Green Bay. “We are excited to be purchasing a second Fusion C flexographic press,” said Dan Aberly, Operations and Sales, Legacy Flexo. “We’ve experienced a lot of success with our first Fusion C, which has allowed us to offer our customers more efficient runs. The fact that PCMC has been a true partner with us, providing exceptional quality and service, and is local to us were also deciding factors.”

The Fusion C has a smaller footprint with fewer parts, but incorporates many fast make-ready and waste-saving features, including the innovative SteadyPrint technology. Winner of the 2019 FTA Technical Innovation Award, SteadyPrint significantly reduces the effects of bounce when printing graphics with hard edges due to its bearing arrangement, which is coupled with an algorithm utilizing noise-canceling technology. With patents pending on all features, SteadyPrint is currently the only product on the market using this kind of technology to eliminate disturbances and provide real-time monitoring.

Monforts Textilmaschinen GmbH & Co. KG will be providing information on its extensive range of coating and finishing technologies for the production of nonwovens and technical textiles at the forthcoming Techtextil India exhibition.

“India is already a very important market for Monforts and there are exciting prospects ahead for Indian manufacturers of technical textiles, who are well positioned to capitalise on growth opportunities,” says Monforts Head of Denim Hans Wroblowski, who will be at the Monforts stand in Hall 4, booth C52 at the show. “India has one of the largest working-age populations in the world and a complete textile value chain for both natural and synthetic fibres.”

In addition, he adds, India’s government, through its Ministry of Textiles, has been actively promoting the growth of technical textiles through various programmes based on investment promotion, subsidies, the creation of infrastructure and the stimulation of consumption.

As a result, India’s Ministry of Textiles is forecasting that the growth of technical textiles in the country will be over 18% annually in the next few years, from a value of US$16.6 billion in 2018 to US$28.7 billion in 2021.

Value addition

High value-added technical products such as wide-width digital printing substrates, carbon fabrics for high-performance composites, filter media, flame retardant barrier fabrics and heavy-duty membranes are now being coated on Monforts texCoat ranges and finished with the company’s industry-leading Montex stenters.

“Since we acquired the technology that our coating units are based on in 2015, we have made a lot of refinements,” says Hans. “All of these developments are reflected in higher coating accuracy and the resulting quality of the treated fabrics. At the same time, our latest multi-functional coating heads offer an unprecedented range of options, with a wide range of modules available.”

The texCoat user interface is now equipped with the unique Monforts visualisation system and the magnetic doctor blade has greater power reserves. Options include a carbon fibre-reinforced composite coating drum with a more scratch-resistant surface and maximum rigidity and remote control which simplifies exact adjustment for the operator.

Montex stenters in special executions are meanwhile ideal for the drying and finishing of both technical woven fabrics and nonwovens and characterised by high stretching devices in both length and width.

“The European-built Montex range of stenters has earned its leading position in the technical textiles market due to the overall robustness, reliability and economy of these machines,” Hans concludes. “Whatever the intended end-product – and we continue to discover potentially new areas in which technical textiles can be utilised all the time – we have the machine specification and know-how to turn ideas into reality. In India we also benefit from the strong sales and service support of A.T.E. Enterprises.”

Texchtextil India takes place alongside World of Composites at the Bombay Exhibition Centre in Mumbai from November 20-22.

• For Soft Vibrant And Durable Pigment Prints

Reinach, Switzerland - Archroma, a global leader in color and specialty chemicals towards sustainable solutions, has recently launched at the ITMA exhibition its new Helizarin® LTC New liq, a formaldehyde-free* low temperature curing binder for pigment printing on all kinds of fibers.

Prints are increasingly popular in apparel and interior textiles, as they allow us to express ourselves through vibrant colors and patterns. Consumers are especially drawn to the soft touch of an elegantly printed fabric.

Creating soft and vibrant prints can however be challenging for textile manufacturers: Pigment printing is usually applied to the fabric with a binder that often contains formaldehyde, needs a high temperature for curing, and can make the fabric harsh to the touch.

That is why Archroma developed its new Helizarin® LTC New to allow textile manufacturers to address these challenges.

The innovation was developed in compliance with “The Archroma Way: safe, efficient, enhanced, it’s our nature”. The approach finds its origin in Archroma’s deep belief that it is possible to make the textile industry sustainable, economically and ecologically.

Helizarin® LTC New is a binder designed for low temperature curing or no curing. This allows to reduce the fixation temperature and time compared to conventional pigment printing processes. In addition, manufacturers will not experience the change of shades that sometimes occur with high temperature processes.

When using Helizarin® LTC New, textile manufacturers can therefore improve the productivity of their printing process and reduce their energy consumption.

Helizarin® LTC New is also a welcome solution for textile manufacturers who do not have curing equipment, since it offers similar to better fastness than commodity binders that have been treated through a full process, and excellent fastness on synthetic fibers such as polyester and polyamide.

When it comes to the final result on the fabric, Helizarin® LTC New allows the creation of soft and durable prints for premium quality articles.

The new product will be the core of Archroma's Cool Print, a complete formaldehyde-free* system that keeps printed textiles soft and durable, and the planet cooler.

The system, which combines Helizarin® LTC New with Luprintol® softening and fixing auxiliaries and Printofix® pigment preparations, allows manufacturers to realize potential savings of up to 30% in processing time, 45% in energy consumption and 44% CO2 emissions – compared to benchmark pigment printing.

Helizarin® LTC New, as well as the Cool Print system, is formaldehyde free* and registered under REACH. It can be used in line with the ZDHC & bluesign® requirements, is compliant with the Oeko-Tex Std 100 Class 1 standard for baby wear, and with the MRSL of the most major brands.

“Helizarin® LTC New was developed by Archroma’s R&D team together with experts at our Global Competence Center for Printing, based in Barcelona, Spain”, says Joaquin Femat, Head of Business Development for Printing, Brand & Performance Textile Specialties, at Archroma. “As The Archroma Way is based on Safe, Efficient and Enhanced as its three pillars, we designed an innovation that offers our customers a balanced combination of resource optimization, safe handling, and controlled effluent. Because it’s our nature!”
 

The innovative technology addresses the growing need for on-demand textile design and production

Kornit Digital, a global market leader in digital textile printing innovation, has announced the introduction of the new Kornit Presto, the only industrial single-step solution for direct-to-fabric printing. The Kornit Presto solution eliminates the need for pre and post treatment of fabric and allows for high-quality printing on a broad variety of fabric types and applications. The Kornit Presto does not consume water in the printing process, making it a environmentally friendly solution.

The new Kornit Presto comes with the NeoPigment Robusto, a Pigment-based ink. Implemented into the Kornit NeoPigmentTM process, the Robusto provides above industry standard wash and rub results and exceptional color fastness across a wide fabric and application range. The Robusto enjoys faster physical and chemical bonding characteristics, enabling a significantly shorter curing time, while providing quality and a wide color gamut.

The Kornit Presto solution suits a wide range of business and application needs in a variety of industry segments, including fast growing segments within the on-demand fashion and home décor markets. It is a highly productive solution, available in multiple configurations and able to print 450 square meters per hour.

Gart Davis, CEO at Spoonflower, the world’s first web-based service for custom, on-demand fabric and design creation and a long-time Kornit customer, commented, “We were thrilled to be able to test the new system and found the Presto to be in a class by itself; it prints beautifully on all kinds of fabrics, in a single-step, with an environmentally friendly dry process, and now at a multiple of productivity.  Our partnership with Kornit continues to be fundamental to our mission to make custom fabric accessible to designers, creative individuals and small businesses all over the world. We can’t wait to get going.”

• Hexcel’s Composite Innovations For Aerospace, Automotive, Energy And Marine Applications At JEC World 2019 Hall 5 - Stand J41

STAMFORD, Conn. – At this year’s JEC World taking place in Paris on March 12-14, Hexcel will promote a wide range of composite innovations for customer applications in aerospace, automotive, energy and marine markets.

Aerospace Innovations

Hexcel’s HiTape® and HiMax™ dry carbon reinforcements were developed to complement a new generation of HiFlow™ resin systems, producing high quality aerospace structures using the resin infusion process. HiTape® was developed for the automated lay-up of preforms and HiMax™ is a range of optimized non-crimp fabrics (NCF). Both products incorporate a toughening veil to enhance mechanical properties, meeting the structural requirements for aerospace parts.

Visitors to JEC will see an Integrated Wing Panel demonstrator and an I-beam, both made with HiTape® reinforcements, and an Opticoms rib made with HiMax™ NCF. The Opticoms rib and I Beam were both manufactured using C-RTM (Compression Resin Transfer Molding). They were injected with Hexcel’s RTM6 resin in a process taking less than 5 minutes. The total manufacturing cycle for both parts was just 4.5 hours.

Also among the Aerospace exhibits, Hexcel will display a composite petal for a satellite antenna, manufactured by Thales Alenia Space Italia. The petal is part of a set of 24 deployable structural elements that form the large area reflector assembly used on board Low Earth Orbit (LEO) observation satellites. Thales Alenia Space Italia selected Hexcel’s HexPly® M18 prepreg for this application, acknowledging the superior mechanical and outgassing properties provided.

Another Hexcel prepreg application on show is a “zero” frame, manufactured by Aerofonctions for the engine area of Daher’s TBM 910/930 single-engine turboprop aircraft. Hexcel’s HexPly® M56 prepreg was selected by Daher for the “zero” frame – a product developed for Out of Autoclave applications that provides the same high quality and performance as autoclave-cured prepregs, from a simple vacuum bag cure in an oven.

With 50 years of experience behind its comprehensive range of high-strength, high-strain PAN-based carbon fibers, Hexcel continues to innovate, and is introducing two new fibers to its portfolio. HexTow® HM50 combines high modulus and high tensile strength, making it ideal for commercial and defense aircraft and engines. HexTow® 85 was developed specifically to replace rayon-based carbon fiber for ablative applications.

HexTow® carbon fiber holds the most qualified carbon fiber positions on aerospace programs in the industry and is the best unsized fiber available on the market. It provides excellent bonding interfacial properties with thermoplastic matrices and is the best-performing fiber for 3D printing applications.

Additive manufacturing is another area of expertise for Hexcel, using PEKK ultra-high performance polymers and HexAM™ technology to manufacture carbon-reinforced 3D printed parts. This
innovative process provides a weight-saving solution for intricate parts in highly demanding aerospace, satellite and defense applications. HexPEKK™ structures offer significant weight, cost and time-to-market reductions, replacing traditional cast or machined metallic parts with a new technology.

Hexcel is well known for its range of weight-saving, stiffness-enhancing honeycombs and the company adds value by providing a range of engineered core solutions to customers from facilities in the USA, Belgium and the newly opened Casablanca plant in Morocco. Hexcel’s engineered core capabilities enable highly contoured parts with precision profiling to be produced to exacting customer specifications. An example of such a part will be on display at JEC. Made from Aluminum FlexCore®, the part is CNC machined on both sides, and formed and stabilized with both peel ply and flyaway layers of stabilization. Aircraft engines benefit from a number of Hexcel core technologies including HexShield™ honeycomb that provides high temperature resistance in aircraft engine nacelles. By inserting a thermally resistant material into honeycomb cells, Hexcel provides a core product with unique heat-shielding capabilities that allows for the potential re-use of material after a fire event.

Hexcel’s Acousti-Cap® broadband noise-reducing honeycomb significantly improves acoustic absorption in aircraft engine nacelles. The acoustic treatment may be positioned at a consistent depth and resistance within the core, or can be placed in a pattern of varying depths and/or resistances (Multi-Degrees of Freedom and 3 Degrees Of Freedom), offering an acoustic liner that is precisely tuned to the engine operating conditions. These technologies have been tested at NASA on a full engine test rig and meet all 16 design conditions without trade-offs.

HexBond™ – the new name in Adhesives

Hexcel’s range of high performance adhesives has expanded considerably following the company’s acquisition of Structil. The company has now decided to unite the range by marketing all of its adhesive products using HexBond™ branding. The comprehensive range of HexBond™ structural film adhesives, foaming adhesive films, paste adhesives, liquid shims, epoxy fillets and Chromium free liquid primers is suitable for a wide range of applications in combination with Hexcel’s prepreg and honeycomb products.

Automotive Innovations

Hexcel’s carbon prepreg patch technology provides an innovative way of locally stiffening and reinforcing metal parts, providing noise and vibration management functionality. HexPly® prepreg patches consist of unidirectional carbon fiber impregnated with a fast curing epoxy matrix that has self-adhesive properties, enabling it to bond to metal in a highly efficient one-step process. These key technology properties are demonstrated in an 18.5kg aluminum subframe (that is 50% lighter than steel equivalents), which was reinforced with 500 grams of HexPly® prepreg and tested by Saint Jean Industries. The part demonstrates a significant reduction in noise, vibration and harshness (NVH). Other benefits include lower production costs, energy savings, increased driver comfort, production flexibility and part count reduction. With this technology Hexcel is a finalist in the JEC Innovation Awards 2019 in the Automotive Applications category.

HexPly® prepreg patch technology was also applied to a hybrid side sill demonstrator developed with Volkswagen and Dresden University to address future crash test requirements, specifically for electric cars. Combining fiber-reinforced plastic (FRP) with metal, the hybrid construction allows for optimum performance including weight savings, enhanced safety, increased energy absorption, battery protection in a crash situation and production flexibility.

Hexcel will also display a lightweight CFRP transmission crossmember produced from Hexcel’s high performance HexMC®-i 2000 molding compound. The transmission crossmember was developed in partnership with the Institute of Polymer Product Engineering (at Linz University), Engel and Alpex. As the part connects the chassis together and supports transmission it has to be stiff and strong, resisting fatigue and corrosion. Hexcel’s HexMC®-i 2000 was selected as the best-performing molding compound on the market, curing in as little as two minutes to produce lightweight, strong and stiff parts.
To produce the transmission crossmember HexMC®-i 2000 preforms are laid up in Alpex molds and compression-molded in a v-duo press that was tailored for the application by Engel. Ribs, aluminum inserts and other functions can be molded into the part using the single-stage process, reducing component-count. Any offcuts from the preforms can be interleaved between the plies of material to provide additional reinforcement in key areas - meaning that the process generates no waste.

Other Automotive promotions on Hexcel’s stand at JEC World include a composite leaf spring manufactured by ZF using HexPly® M901 prepreg. In contrast to steel leaf springs, composite versions offer many advantages including weight savings of up to 70%, high corrosion resistance, optimized system integration and superior performance. HexPly® M901 prepreg reduces the cure cycle to below 15 minutes and provides 15% higher mechanical performance, with enhanced fatigue properties. It also operates at high temperatures, providing a Tg of up to 200°C following a post cure.

Marine Innovations

Hexcel has a comprehensive range of products aimed at racing yacht and luxury boat builders that include America’s Cup, IMOCA class and DNV GL-approved prepregs, woven reinforcements and multiaxial fabrics for hull and deck structures, masts and appendages.

At JEC World Hexcel will display an IMOCA yacht mast manufactured by Lorima using HexPly® high modulus and high strength carbon fiber prepreg from Hexcel Vert-Le-Petit. Lorima is the exclusive official supplier of masts for IMOCA 60 class racing boats.

Hexcel’s HexTow® IM8 carbon fiber has been selected as the highest performing industrial carbon fiber on the market and will be used by spar and rigging manufacturer Future Fibres to manufacture their AEROrazr solid carbon rigging for all the teams in the 36th America’s Cup.

Hexcel’s HiMax™ DPA (Dot Pattern Adhesive) reinforcements are non-crimp fabrics supplied pre-tacked, allowing multiple fabrics to be laid-up more easily in preparation for resin infusion. Providing an optimal, consistent level of adhesion, they allow a faster and more consistent resin flow, as well as eliminating the use of spray adhesive for a healthier working environment and lower risk of contamination. Simply unrolled and applied to the mold or core layer before the introduction of resin, HiMax™ DPA fabrics are widely used in boat building, where lay-up times can be reduced by up to 50%.

Wind Energy Innovations

Hexcel has developed a range of HexPly® surface finishing prepregs and semi-pregs for wind turbine blades and marine applications. Providing a tough, durable and ready-to-paint surface without using in-mold coats, these products shorten the manufacturing cycle and reduce material costs. HexPly® XF2(P) prepreg is optimized for wind blades and has a ready-to-paint surface, straight from the mold, saving at least 2 hours of takt time.

Polyspeed® pultruded carbon laminates were developed for load-carrying elements in a blade structure and are manufactured with a polyurethane matrix that provides outstanding mechanical performance in terms of stiffness and durability. The blade manufacturing process is optimized, with increased throughput. The pultruded laminates are supplied in coils as continuous cross section profiles.
HiMax™ non-crimp fabrics using E-glass, high modulus glass and carbon fibers are also available in a wide range of unidirectional, biaxial and triaxial constructions. HiMax™ fabrics have applications throughout the turbine, from the stitched carbon fiber UDs used in the main structural elements, to glass fabrics and hybrids for blade shells and nacelles. There are also specialist applications such as lightweight fabrics for heated leading edge de-icing zones.

Neue Produkte für Photopolymer- und Lasersinter-Druckverfahren – das präsentiert die BASF 3D Printing Solutions GmbH (B3DPS) auf der diesjährigen Messe formnext in Frankfurt vom 13. bis 16. November in Halle 3.1 Stand F20. Außerdem kündigt das Tochterunternehmen der BASF gleich mehrere neue Partnerschaften für die Entwicklung und den Vertrieb zukunftsweisender Lösungen und Produkte aus dem Bereich 3D-Druck an.

Mit der US-amerikanischen Firma Origin, San Francisco, Kalifornien, ist die B3DPS eine strategische Partnerschaft zur Weiterentwicklung von Photopolymer-Druckprozessen eingegangen. „Wir kombinieren in einem offenen Geschäftsmodell das Material-Know-how der BASF mit der Kompetenz von Origin in der Programmierung von Druckersoftware und der Herstellung der entsprechenden Hardware“, erklärt Volker Hammes, Geschäftsführer BASF 3D Printing Solutions GmbH. Die Zusammenarbeit zeigt bereits erste Erfolge. Origin hat einen neuen Druckprozess entwickelt, mit dem die neuen Ultracur3D-Photopolymere der BASF besonders gut verarbeitet werden können. Das Verfahren bietet eine optimale Kombination aus einer guten Oberflächenbeschaffenheit und hoher mechanischer Stabilität der Endprodukte bei hohem Materialdurchsatz.

Mit Photocentric, einem Hersteller von 3D Druckern sowie zugehöriger Software und Materialien mit Sitz in Peterborough, UK und Phoenix, USA, arbeitet die B3DPS an der Entwicklung von neuen Photopolymeren und großformatigen Photopolymer-Druckern für die Massenproduktion von funktionalen Bauteilen. Photocentric hat den Einsatz von LCD-Bildschirmen als Bilderzeuger für eigene Druckersysteme entwickelt und optimiert. Ziel beider Partner ist es, der Industrie 3D-Druck-Lösungen anzubieten, die Teile von klassischen Fertigungstechniken wie zum Beispiel den Spritzguss für Kleinserien ersetzen und die Herstellung von großen Bauteilen ermöglichen soll.

Die Zusammenarbeit mit Xunshi Technology, einem chinesischen Druckhersteller mit Sitz in Shaoxing, der in den USA unter dem Namen Sprintray firmiert, hat das Ziel die Ultracur3D Produktpalette der B3DPS für weitere Anwendungsfelder im 3D Druck zu erschließen.

Ultracur3D-Portfolio bietet Spezialitäten für Photopolymer-Druckverfahren
Unter dem Markennamen Ultracur3D fasst die B3DPS bereits bewährte, aber auch neue Photopolymere für die entsprechenden 3D Druckverfahren zusammen. Für die neuen Materialien hat BASF spezielle Rohstoffe entwickelt, die besondere Bauteileigenschaften ermöglichen.
„Mit unserem Ultracur3D-Portfolio können wir Kunden verschiedene UV-härtende Materialien für den 3D-Druck anbieten, die weitaus bessere mechanische Eigenschaften und eine höhere Langzeit-Stabilität als bis dato erhältliche Materialien aufweisen“, erklärt András Marton, Senior Business Development Manager bei B3DPS, und weiter: „Diese wurden insbesondere für hoch beanspruchte funktionale Bauteile entwickelt.“

Vertriebsnetzwerk für Filamente wird ausgebaut
Innofil3D, eine Tochtergesellschaft der B3DPS, startet eine Zusammenarbeit mit Jet-Mate Technology mit Sitz in Tjanjin China zum Vertrieb von Kunststoff-Filamenten in China. Parallel dazu wurde eine Vertriebsvereinbarung mit M. Holland in Northbrook, USA für den Vertrieb von Filamenten in den USA geschlossen. „Die USA sind der größte Markt für Filamente, daher wollen wir unsere Aktivitäten dort verstärken“, sagt Jeroen Wiggers, Business Director 3D-P Solutions for Additive Extrusion bei B3DPS, und weiter: „Auch Asien ist ein wichtiger Markt für uns. Wir werden weitere Vertriebskanäle dort aufbauen. 2019 bringen wir unsere Ultrafuse-Filamente auf den asiatischen Markt.“
Die BASF Filamente für den 3D Druck sind in zwei Linien gegliedert. Zum einen handelt es sich hierbei um die bereits existierenden und bekannten Innofil3D Filamente auf Basis generischer Polymere für konventionelle Anwendungen. Darüber hinaus werden mit der Marke Ultrafuse, Filamente auf Basis hochentwickelter Polymerformulierungen für anspruchsvolle technische Anwendungen angeboten. Damit bietet die B3DPS eines der breitesten Filament-Portfolios auf dem Markt an, das verschiedenste Kundenbedürfnisse von Prototypenbau bis hin zur industriellen Anwendung bedient.

SLS: Neues 3-Druck-Material mit Brandschutzklassifizierung
Ultrasint PA6 ist eine neue Materialklasse zum Einsatz in Selective Laser Sintering-Prozessen (SLS), die sich durch eine hohe Steifigkeit und Temperaturbeständigkeit auszeichnet. Neu ist das schwarze und flammenresistente Ultrasint Polyamid PA6 black FR, das die UL94 V2 Brandschutzklassifizierung erreicht. Zusammen mit einem der weltweit führenden Hersteller im Fahrzeugbau für den öffentlichen Personennahverkehr hat die B3DPS Bauteile erarbeitet, welche die Brandschutzauflagen im Innenraum von Fahrzeugen erfüllen. „Zusammen mit unserem Partner stellen wir zurzeit Prototypen, Ersatz- und erste Serienteile her und arbeiten bereits an einer weiteren Verbesserung des Brandschutzverhaltens und weiteren Zertifizierungen“, freut sich Hammes.
Bereits zur AMUG im Frühjahr hatte die BASF das graue Ultrasint PA6 LM X085 vorgestellt. Eine weitere Variante ist das zur formnext verfügbare Polyamid-6-basierte Ultrasint PA6 Black LM X085. Die Prozesstemperatur des Produkts liegt bei 175-185 Grad Celsius und lässt sich somit leicht auf den meisten im Markt verwendeten SLS-Maschinen verarbeiten.

Polypropylen jetzt auch im 3D-Druck-Portfolio der B3DPS
Durch die Akquisition der Advanc3D Materials GmbH im Juli 2018 hat die B3DPS ihr Sortiment um etliche Materialien für den Einsatz auf den gängigen Lasersinter-Maschinen erweitert, zum Beispiel um die Polyamide Adsint PA12, Adsint PA11, Adsint PA11CF und um Adsint TPU flex 90. Besonders hervorzuheben ist Ultrasint PP. Dabei handelt es sich um ein Polypropylen-basiertes Produkt. Polypropylen (PP) weist hervorragende mechanische Eigenschaften auf und wird wegen seines Preis-Leistungsverhältnisses häufig in der industriellen Serienproduktion verwendet. Ultrasint PP zeichnet sich durch eine ausgezeichnete Formbarkeit, eine geringe Feuchtigkeitsaufnahme und Resistenz gegenüber Flüssigkeiten oder Gasen aus. Prototypen und Kleinserien können nun aus dem gleichen Material gefertigt werden, das aus Serienanwendungen bereits bekannt ist. Eine Nachbearbeitung wie Thermoformen, Versiegeln oder Färben ist nach dem Druckprozess möglich.

• Unique, patented 3D printing process enables production of large-scale components
• First direct investment by BASF Venture Capital in a company in China

BASF Venture Capital GmbH is investing in Prismlab, a leading provider of 3D printing processes and 3D printers, headquartered in Shanghai, China. Prismlab has developed a patented printing process that is characterized by a very high printing speed, high level of precision and lower printing costs. BASF’s venture investment will enable Prismlab to further accelerate its product development and innovation while strengthening its market reach to the global market.

“This is our first direct investment in a Chinese company,” said Markus Solibieda, Managing Director of BASF Venture Capital GmbH. “The trailblazing technology from Prismlab allows large and stable components, such as medical braces and anatomical models, to be 3D printed for the first time. This investment supports BASF’s strategy of actively advancing our technologies and expanding our product offering in the 3D printing sector.”

“China is transforming from a manufacturing-driven to an innovation-driven economy. This investment in Prismlab reflects our commitment to further expanding our innovation capabilities in China, and BASF Venture Capital plays an important role in helping us identifying potential partners that lead us to success,” said Dr. Zheng Daqing, BASF’s Senior Vice President, Business and Market Development Greater China.

“The 3D printing technology must continue to evolve before it is set to change the world. At Prismlab, we aim to spearhead and accelerate that change by providing solutions through specialized customization. The investment allows us to stay laser-focused on our R&D capability, a key factor to achieve that goal,” said Mr. Hou Feng, Founder and Chairman of Prismlab.

Prismlab has developed a patented 3D printing process, “Pixel Resolution Enhanced Technology”, based on stereolithography (SLA). SLA allows comparatively large components to be produced using light-curing resins. Prismlab’s technology increases the printing resolution without compromising printing speed. In order to increase the amount of energy brought into a pixel, Prismlab’s technology divides each pixel in the resin into several small sections, which can be cured individually by exposure to LCD light. This makes the energy input into each pixel significantly higher than similar processes that expose each pixel to light once. This allows comparatively large and stable components or numerous parts to be printed in the same production step. With the use of LCD light, it also reduces process costs. This advantage opens opportunities in the footwear and furniture industry.

Along with this patented process, Prismlab also markets 3D printers and other related services. The Prismlab technology can be used in various key customer applications, including invisible braces, and anatomical models for medical, and education and training purposes.

SLA uses a laser for layer-by-layer curing of a photopolymer solution to shape the required workpiece. SLA and LCD based printing processes determinate the size, stability, and usability of the components to be produced as they are limited by the size of the light spot and the intensity of the light.

Exhibitors from over 30 countries participating at Kenya's Biggest Int'l. Multi-Sector Trade Exhibition

The largest international trade exhibition in Africa for multi-sector products, equipment and machinery will take place at KICC, Nairobi, Kenya from 04 - 06 September with record breaking numbers. Exhibitors and trade visitors are said to increase by 27% and 24% respectively at the 21st edition of the Kenya International Trade Exhibition (KITE). The exhibition has grown in stature from its inception 22 years ago, as the key networking and sourcing platform for the industries. As the largest event of its kind, it ensures direct access to over 150 exhibitors from 30 countries and more than 12,000 trade visitors.

With an amazing array of products and services from all over the world, it gives visitors the opportunity to source cutting edge products and services as well as learn about and discuss the latest market trends. There is no other related trade exhibition in East Africa that delivers the same quality, quantity and variety of buyers and distributors.

Concentrating on some of the largest growth categories within the multi sector industry, Kenya International Trade Exhibition (KITE) 2018 has five distinct sub categories, namely: FOODAGRO, MEDEXPO, PPPEXPO & INDUSMACH which will cover the food, hotel & agricultural sectors, medical & pharmaceuticals, plastic, printing & packaging sector, the industrial and finally the consumer sector. Being centrally located, Kenya emerges as one of the largest importers in Africa. Kenya also has the largest economy in east Africa and is a regional financial and transportation hub.