About Event | Registration | News | 2018-04-12 09:00:00 2018-04-13 18:00:00 Europe/London theIJC.com - USA USA InkJet Conference 2018 Chicago ESMA info@esma.com

broadcast

TheIJC USA - Annual InkJet Conference. The place to be for Inkjet Engineering and Inkjet Chemistry   

Programme

TheIJC USA will feature around 40 high-level presentations on two tracks. Please find below the titles confirmed so far and check back later for program updates.

  • DAY 1 - Track 1 (12.04.2018)

    Time Topic Speakers Company
    08:30
    REGISTRATION AND TABLETOP NETWORKING
    09:00
    Introduction
    Peter Buttiens, Steve Knight
    TheIJC, drupa
    09:30
    Kodak technology advancements: Expanding the boundaries of digital print
    Kodak
    Kodak continues to innovate with over 50 years of Inkjet printing experience and with creative partnerships opening doors for new applications. Continuous Inkjet which has revolutionized the digital printing world with the use of water-based inks which are environmentally friendly and indirect food contact safe, is opening the door for new possibilities in commercial and now packaging and label applications. Kodak digital presses and components, with unprecedented image quality and running cost, in both monochrome and color, have been installed around the world in a variety of commercial, publishing, newspaper and packaging applications. With a droplet generator of over 400KHz, Kodak is printing with single print arrays with Stream Inkjet Technology at unprecedented speeds beyond 300 mpm and with the best production inkjet image quality, with round and uniform drops and high degree of drop placement accuracy. Due to Kodak’s nano-particulate pigment inks combined with continuous flow of ink through the nozzles, Kodak’s inks are easier to dry and can print on glossy substrates and even films and plastics with water-based inks. A perfect combination of technologies and chemistry to expand the boundaries of digital print.
    10:00
    Techniques for controlling small drops with a large stand off
    Fujifilm Dimatix
    A short history of inkjet development by market segment, followed by a look to the future. This overview highlights the trend towards better image quality while improving speeds. Digital inkjet competes with screen print, offset and now flexographic printing with ink chemistry leading the way. A Study in High Standoff Defect Control: FUJIFILM Dimatix has extensive R&D lab capabilities. We take one study to look at improving image quality by helping to control small drops with a high stand-off. This results in improved sustainability and better image quality.
    10:30
    Printhead adapted for ink circulation and its potential with inks with high dose of large and/or heavy particles
    Seiko Instruments
    Printhead specifically designed to adapt for ink circulation flowing through its pressure chamber beside the nozzles and its configuration is introduced, together with practical design of ink supply system for its optimum operation. It has been proved that it has the advantage of reliable printing operation in conventional applications, thanks to immediate priming, continual refreshment of volatile ink meniscus and excreting bubbles and solid particles out of pressure chamber. It was also found that it is applicable to jetting inks with high dose of large and/or heavy particles as shown with actual jetting performance. Those large and/or heavy particles are not necessarily colorants, and there is a scope for emerging applications such as ceramic effect printing, 3D printing and printing other functional materials for various purposes.
    11:00
    NETWORKING COFFEE BREAK
    11:30
    Latest advances in Silicon MEMS printhead technologies
    Xaar
    Over the last few years Silicon MEMS based printheads have become more prolific in industrial digital inkjet. This type of printheads offer some distinct advantages over traditional printheads in many market segments. During this presentation Jason Remnant, Product Manager, will talk about some of the newest technologies and their benefits that Xaar has incorporated into its latest generation of Silicon MEMS printheads, the Xaar 5601.
    12:00
    An overview of the drivers for the successful adoption of digital print to-date and an outlook of the parameters required for future adoption from a printhead perspective
    Ricoh
    Ricoh Printing Systems America will provide a cursory outline of the progressive successful adoption of digital print technology. We will also more importantly provide an overview of the parameters required for the ongoing future successful adoption of digital print technology in new markets and applications. The journey of digital print technology adoption has been a very interesting one and will continue to challenge and reward those who participate and successfully navigate the challenges presented by new markets.
    12:30
    How big data may be applied to digital print industry
    Caldera
    After 25 years of evolution, the business logic of digital print users is still very diversified. Every Print Service Provider (aka PSP) has a different scale combined with different application also combined with a different business model. Almost everyone is guided by its own business expertise. The challenge for a software company like Caldera is to provide added value to customers, by giving them the keys to optimize automatically their workflow. Because of the wide variety of behaviors met between our 10 000+ RIP users, going from the small local print shop to huge industrial workflows, we took the turn of the Machine Learning exploration in order to solve problems that are less and less linear.
    13:00
    NETWORKING LUNCH BREAK
    14:30
    Image enhancement techniques
    Global Inkjet Systems
    Does inkjet no longer fear the printer’s loupe? The print quality achievable now is the result of years of development – and software is playing an increasing role. This presentation will cover camera closed loop systems, nozzle out correction strategies, density correction curves and hard & soft stitch technology – and will also cover latest software developments enabling printing onto complex objects.
    15:00
    Avoiding the orange peel
    Global Graphics Software
    An update on mitigating texture artifacts on inkjet presses using halftone screens: streaking, coalescence, tone steps and the dreaded orange peel mottling. But improved screening reveals other imperfections, a bit like HD TV; so what are the next steps?
    15:30
    Diaphragm pumps – the preferred choice for ink supply systems
    KNF
    Inkjet printer manufacturers are constantly seeking to increase printing speed and quality, while at the same time reducing cost per square meter. Diaphragm pumps fully live up to their strengths in ink supply systems, helping to reduce cost of failure with a very long and maintenance free service life, great material compatibility and gentle handling of the ink. This presentation gives insight into diaphragm pump technology and explains why it is the preferred choice for many of the industries’ leaders and can also be the ideal solution for your ink supply system.
    16:00
    NETWORKING COFFEE BREAK
    16:30
    Brand color communication in digital printing workflows
    ColorGATE
    The consideration of brand color communication is critical l for a growing amount of print products that are being produced by digital printing systems. Most prominently this is the package printing market with corrugated card boards and folding cartons, as well as labels and direct to object printing. The transition from analog to digital printing for such packaging applications requires to master the challenges of reproducing brand colors with a given process color ink combination, rather than deploying a specifically mixed spot ink to match a specified spot color. Gamut extended ink sets improve the general color capabilities in order to reproduce a spot color and but also need specific attention and control. The speaker is outlining alternative approaches how to master these challenges.
    17:00
    Complex engineering for complex challenges: Stepping up inkjet consistency and reliability
    Meteor Inkjet
    Inkjet is no stranger to complex engineering, from printheads to ink delivery systems and drive electronics. The growing demand for high speed, single pass industrial inkjet systems in a myriad of applications presents ever more tricky challenges including cross web calibration, mottling and nozzle out detection/compensation. Tackling these issues requires a multi-disciplinary approach, uniting skills from hardware, software and color management to successfully exceed reliability and print consistency requirements.
    17:30
    Plasma pretreatment solutions for inkjet printing applications
    Plasmatreat
    Inkjet printing on various substrates can present a challenge when it comes to permanent adhesion. Customers and end users are demanding that more environmentally friendly, solvent free, water-based inks be used in their applications. Other print technologies can usually build functionality into the ink – often not possible with inkjet technologies. The surface energy of the substrate is a critical factor that is often overlooked. Effective plasma surface treatment ensures critical cleaning and acceptable wettability which can be verified with contact angle measurement. As new materials are designed and introduced, they often result in unknown and unexpected results. In addition, as the industry transitions from traditional analog to inkjet digital print – surface science is an important topic that has acquired much interest. Plasma surface pre-treatment technology is a high-tech process that can be very effective in resolving common challenges. This presentation will discuss all aspects of OpenAir plasma pretreatment and the expected solutions that can be achieved by implementing it into your standards.
    18:00
    Memjet DuraLink: A systems approach to improving print quality in page wide print arrays
    Memjet
    Commercial printing demands excellent print quality and the users of digital printing technology expect print quality equal to offset printing. The consistency of page wide inkjet technology is critically important to meet the high expectations of the commercial printing market. This presentation will describe how to improve quality through an integrated approach to deliver advancements in printhead design, fluidics control, embedded control electronics, and software. Memjet’s DuraLink thermal inkjet platform will be presented as an example of how implementation of an integrated system approach can offer increased printing quality and robustness needed for digital inkjet to serve the commercial printing market.
    19:00
    NETWORKING RECEPTION
  • DAY 1 - Track 2 (12.04.2018)

    Time Topic Speakers Company
    08:30
    REGISTRATION AND TABLETOP NETWORKING
    09:30
    Integration of optimized UV LED curing unit for perfect ink polymerization
    Hapa
    Trial and error method of integrating UV LED curing units into printing systems is history. Hapa supports the designs of UV LED curing units that are precision engineered to their UV curing inks. Knowledge of an ink’s optical characteristics related to UV power, and its irradiation time to the substrate, is essential to both the design and the integration of the curing unit. The integration of a tested curing unit realizes optimized low-migration applications and adhesion on different substrates.
    10:00
    Industrial inkjet printing solutions from the perspective of the ink design
    Agfa
    The performance of industrial inkjet printing processes is strongly dependent upon the design of the inkjet inks. The printing solution is a system approach wherein the ink is tuned to the print system, the application as well as the full production process of the industrial product. The relation of the ink to the key elements on the performance will be explained, including the use of specific samples. The ink technology developed by Agfa will be demonstrated for multiple applications, including packaging and label inks (e.g. direct print on food/beverage containers), product printing, printed interior decoration (PID), marking and coding, and other.
    10:30
    Characterizing UV LED output
    Phoseon
    Over the past several years, UV LED has emerged as the preferred curing method for digital printing applications. As the industry continues to find new areas to utilize digital printing technology, UV LED curing systems have evolved to keep pace with a rapidly changing environment. Understanding and characterizing UV LED output is crucial in optimizing digital printing performance.
    11:00
    NETWORKING COFFEE BREAK
    11:30
    Aqueous ink solutions for digitally printed packaging
    Sun Chemical
    • Challenges in the world of digital packaging print (compliance, brand identity, substrate, environmental)
    • Market requirements for ink technology (energy curing, solvent, aqueous)
    • Aqueous inkjet solutions (standard pigmented, functional pigmented inks)
    • System approach (substrate, inkjet ink, primer, overprint varnish/coatings)
    • Printer solution concepts
    • Beyond packaging
    12:00
    UV LED: The future?
    Integration Technology
    UV LED curing technology has advanced very quickly over the past few years, as is often the case with new and disruptive technology, but what is the reality of today and where is it likely to progress? Discussing some of the applications requirements and relating them to the current technology, the presentation attempts to explain some of the development decisions that have been made by UV LED system manufacturers with the previous and current technology. It will then look at the projected new developments for the technology that may address some of these application requirements. Finally, there will be a look at where LEDs can potentially take UV curing, applications that are currently either very difficult or impossible to implement using arc lamp technology.
    12:30
    High speed inkjet imprinting
    Fujifilm Inkjet Technology
    We explain the motivation and technical challenges facing inkjet replacement of conventional imprint technology. Particular detail is given to show how the final print application and printhead operation influence the inkjet ink formulation; before going on to demonstrate how a high speed UV-LED print system was successfully achieved using Samba.
    13:00
    NETWORKING LUNCH BREAK
    14:30
    Advances in water-based ink solutions
    Kao Collins
    There has always been a desire to substitute water based printing solutions for solvent based solutions. Water is inexpensive. It’s odourless and safe. That desire has only increased as companies look for ways to become more environmentally friendly. Thankfully a range of new eco-friendly, polymerically encapsulated pigment dispersions are allowing formulators to push the boundaries of inkjet inks. These non-hazardous, non-reactive inks are now able to print high quality robust images onto, among other things, non-absorptive substrates. Those inks when used in conjunction with rapidly developing drying/curing technology any recently introduced inkjet specific medias are opening new markets and opportunities for inkjet printing including, among other things, flexible packaging for the food and pharmaceutical industries. This presentation explains some of the recent advancements in inkjet inks with a special focus on some of these new pigment dispersions.
    15:00
    aNIR technology – an enhancer for inkjet post-processing
    Adphos
    The wide range of potential inkjet printing and coating applications needs a mostly necessary and possible ink drying/fixing post-process. The resulting performance and product quality are, beside the application technology, ink type and substrate material, also strongly influenced – partially even driven – by the applied drying technology. Based on the short introduction of the aNIR working principles, the special benefits and extraordinary new application potential are evaluated in conjunction with conventional drying technologies. Several recently realised industrial application examples are outlined.
    15:30
    Inkjet ink and waveform optimization
    ImageXpert
    Development of high quality inks and fluids, printers, and printheads requires state-of-the-art characterization equipment and techniques. It is vital to understand how the developed ink actually behaves, both on ejection from the printhead and when landing onto the substrate of choice. We will provide an introduction to these essential areas of study, including basic considerations for ink and waveform design, as well as important tests used to verify the performance of a new ink. We will also provide a survey of the key equipment that makes up a test printing rig, including drop watcher, ink supply, printhead, print controller, and belt or linear stage, for creating test and sample prints. At TheIJC 2018, we will be introducing new options as well, including a new vacuum belt for test and sample printing, a fully integrated system for mist extraction, a newly developed high magnification camera tool for nozzle inspection, and a new sweeping tool for rapid ink performance characterization and waveform optimization.
    16:00
    NETWORKING COFFEE BREAK
    16:30
    Leveraging application knowledge and analog ink experience to develop high performance inkjet inks
    Marabu
    As the migration from analog printing accelerates at an ever-increasing pace towards digital, there are many lessons that should not be left behind. Whether a combination of the right raw materials, pretreatment of the printing surface or a knowledge of environmental safety and health, sometimes the best path towards a 100% digital solution is to start with a combination of new and old technology. Rather than “reinvent the wheel” from a digital perspective, we can draw on the experiences gathered over nearly 70 years of industrial printing. With ongoing projects which span nearly every market segment, Sean will discuss some of the most relevant. Discussions will include solvent, UV and water based-printing technologies.
    17:00
    Reducing bubble formation in inks: Membrane contactor design and process considerations
    3M
    As digital inkjet technology continues to revolutionise the printing industry, controlling dissolved gases in inks has become a critical consideration to help reduce the risk of process interruption and quality. 3M™ Liqui-Cel™ SP Series Membrane Contactors provide a simple, in-line solution designed to reduce microbubble formation that could lead to nozzle misfires and defects. Several factors should be considered when degassing with membrane contactors, such as the characteristics of the ink, the inkjet hydraulics and the printhead. In addition to these factors, membrane contactor characteristics and design aspects, such as mechanics and hydrodynamics, should also be considered. Today, Liqui-Cel membrane contactors are used around the world on ceramic, textile, large format graphics and other inkjet printers to help promote a faster, smoother printing process.
    17:30
    How innovation of inkjet fluids opens up new opportunities?
    Inkjet, Inc.
    The growth of the digital printing industry is a result of the latest technologies in printheads as well as with the materials used to make inkjet fluids. These technological improvements have opened several new markets. On the fluids side, notably, one such advancement is in dispersion technology which makes smaller particle size dispersions of both organic or inorganic pigments. This advancement has led to higher optical densities with lower maintenance issues, better and brighter colors and the achievement of greater print speeds at reduced costs. Printing with inorganic pigment inks has led to the use of conductive inks for printing RFID tags, printed electronics, high temperature inks for ceramics and glass etc. Another important technological breakthrough is with resin technology, resulting in the capability of printing high-quality print images on various non-porous substrates, such as films, metals and coated papers with water-based inks. Water-based inks are environmentally friendly, and with the improvements in printhead technology, enables faster printing speed. The addition of LED curing capabilities of UV inkjet has led to printing thicker layers of ink and curing it fast for applications such as 3D printing. Printhead technology has advanced in such a manner where it is now possible to jet these variety of fluids. This improvement has created further demand for more new chemistries, thus encouraging advancements in the materials. It is expected that the advances will also continue to encourage further progress in the future.
    18:00
    Drivers and requirements for next generation digital textile inks
    Fujifilm Inkjet Technology
    A review of (CTQs) Critical To Quality parameters and the current state of textile digital printing technology is given by substrate type and end user application, including the latest Fujifilm technology. Based on the (VOC) Voice Of the Customer, the requirements and drivers for next generation digital textile inks are presented.
    19:00
    NETWORKING RECEPTION
  • DAY 2 - Track 1 (13.04.2018)

    Time Topic Speakers Company
    09:00
    REGISTRATION AND TABLETOP NETWORKING
    10:00
    Integrating high speed inkjet writing systems onto web presses
    Graphic System Services
    GSS specializes in the integration of inkjet writing systems onto web presses for hybrid printing applications. They also design and manufacture digital web presses for several of the major inkjet writing systems providers. The presentation will cover the many aspects of designing a quality web transport to achieve the optimal performance from the inkjet writing system. Topics such as web conditioning, web guiding, web cleaning, web tensioning, web temperature control, and preventing web wrinkles will be discussed. The presentation will also review the different options and challenges of adding inkjet printing to an existing web press.
    10:30
    Considerations for integrating inkjet into applications: A practical conversation
    Industrial Inkjet
    Successful integration of inkjet into any application requires many components, technologies, and processes to work together to achieve the desired output. Technology improvements continue to drive improvements in print quality, print speed, print performance and many other metrics but achieving the desired output requires proper application of these technologies and the expertise to make everything work together. This presentation will take a practical approach talking through the considerations that affect the final print quality and offer methods or approaches that can be applied.
    11:00
    NETWORKING COFFEE BREAK
    11:30
    The JetFab: Fully autonomous industrial scale inkjet platform for (pre-)production application and R&D
    NTS Group
    In today's high tech markets, the demand for new innovative products, technologies and materials is accelerating. Therefore pressure at R&D departments keeps increasing and the time to market of new products and new technologies shortens. To meet up with these challenges, NTS developed a smart, flexible and innovative tool. The JetFab 650XL is developed especially for the R&D developments including the (pre-)production needs. The systems can also be fitted with substrate handler to fulfil these 24/7 production needs. The ideal application area of this high flexible tool is in the flat panel display (FDP), photovoltaic, printed electronics, back-end semiconductor, ink/resins development.
    12:00
    Digital materials: A combination of inkjet and stereolithography
    TU Vienna
    In the past years, a variety of new additive manufacturing technologies (AMT) have appeared on the market. AM provides multiple advantages over conventional manufacturing methods and has therefore developed into a promising technology for various applications. Drawback of most commercially available systems, however, are the insufficient mechanical properties and the limited resolution of the printed parts. With industry calling for tougher and stronger materials, especially for engineering applications, we developed a hybrid 3D-printing technology, allowing us to exploit the advantages of two common AMTs and simulate the toughening mechanisms of natural structures like marine material. A self-developed stereolithography (SL) process provides the basis of the printer. Based on the principal of digital light processing (DLP) a viscous resin is cured layer-by-layer in a material vat, forming the matrix of the part, as a second system an inkjet printhead comes into game. With this, a pattern of ink droplets can be selectively placed after each layer of the printed parts, allowing us to process highly viscous photocureable resins with high resolution and excellent surface quality and mimic the properties of natural structures by jetting thin layers of soft material into a hard matrix. Those so-formed “digital materials” show promising results regarding enhancement of the thermo-mechanical properties, as first experiments indicate an increase of the strain at break and impact strength by over 50% and 40%, respectively – compared to the plain matrix material. The usage of the inkjet system allows further modifications of the printed parts in a way which has not been feasible up to now: conducting tracks inside complex shaped parts, surface modification with inorganic materials, customized coloring and other multimaterial approaches can be established.
    12:30
    Inkjet waveform optimization by meniscus motion analysis
    iPrint
    Waveform optimization is a key to success for piezo drop on demand printing systems. The industry-established method for waveform analysis and optimization is a drop watching analysis. With a drop watching system, usually a large number of droplets has to be jetted for each configuration of the printing system. As inkjet is increasingly being used in functional printing, an increasing number of fluids with a certain toxicity, limited stability or very high material cost are jetted. For such applications there is a need to reduce the amount of wasted fluid. One way to accomplish this is the analysis of the meniscus motion. If a waveform is proportionally scaled down to an amplitude that does not generate drops, acoustic timing can be analysed and optimized by analysing the meniscus motion. An estimation of the frequency – velocity variation can be obtained by analysis of the meniscus motion in the range of actual jetting frequencies. By analyzing meniscus oscillations at different pulse amplitudes that are below the drop emission threshold, the voltage necessary to reach a certain drop speed could be estimated. As the same setup as for drop watching analysis can be used for the analysis of meniscus motion, implementation of such an analysis in existing systems is expected to be efficient.
    13:00
    NETWORKING LUNCH BREAK
    14:00
    Ultra-high speed inkjet droplet measurement and monitoring with laser diagnostics
    Dantec Dynamics
    New emerging industrial applications in inkjet printing as for example printed electronics, OLED display printing or printing of sensors, just to name a few, entail new challenges for process control and calibration of inkjet printing systems. For example, nozzle calibration and control for the printing process, where important parameters, like droplet size, velocity and trajectory are monitored. With IPS, a new laser measurement method is introduced that provides several advantages, for example swift nozzle calibration and real-time monitoring of high frequency droplet ejection that enable a closed-loop process control of printing processes for higher quality printing results and save costs. The method is detailed by showing results of a demo measurement of an inkjet printing process on a micro drop printing device.
    14:30
    New angle for printing: Inkjet into fluid surfaces
    University of Cambridge
    The contact angle of inkjet-printed drops on a target surface is a key parameter, tuned through formulation and surface preparation techniques. Printing needs the perfect balance of both the wettability and viscosity to ensure a stable printed line while avoiding poor resolution. We present a new approach, printing onto fluid surfaces to embed a color or function into the material, with a focus on healthcare applications. In this case, there is an additional degree of freedom as the contact angle is no longer restricted by a solid surface. Firstly, we describe the original droplet templating technique, where rafts of condensing water droplets are trapped in a polymer solution surface and imprint their spherical shape to create a porous polymer material. Recent results show that the pore microstructure, defined by the droplets, can be tuned to give Petri-dish, test-tube and conical flask geometries. Secondly, we combine direct monodisperse droplet delivery by inkjet printing with dynamic droplet size control and self-organization to give digital control over this technique and a route to scalability of new materials.
    15:00
    Digital plugin for the textile factory of the future
    TexZeppelin/Unitex
    The world of textile is changing in a big way. What is going on in the production and process areas that will have an important impact on the carpet industry? On the one hand – globalization, recognizing customer demands, concerns and environmental legislation set pressure on the actual business. On the other hand, new digital technologies will create new opportunities, will have a huge impact and the potential to revolutionize current business models. Today, quality, color, creativity and design are the main issues. However, functionality comes more and more in the picture. Digital dyeing, coating/finishing technologies will enable the textile industry to introduce more effective processes. They will enable cost effective production of high end products, more flexible production, and increased productivity with improved ecological footprint (e.g. minimization of waste combined with efficient use of natural resources – energy, water and chemicals – reducing VOC’s and HAP’s) but above all it will allow the development of new smart products for existing and/or new end-uses. In combination with in-line UV-technology layer-on-layer coating becomes possible. Digital technologies bear strong potential in the production of new functional and smart textile materials.
    15:30
    BEST SPEAKER AWARDS
  • DAY 2 - Track 2 (13.04.2018)

    Time Topic Speakers Company
    09:00
    REGISTRATION AND TABLETOP NETWORKING
    10:00
    The future and advances of nano pigment technology
    Matsui
    DigiAce inks is the future medium for textile decorating and it is here today. DigiAce is the marriage of micro-encapsulation and nanotechnology. Bringing the stability of micro-encapsulation of water-based inks to the nano technological level. It not only puts 4 color process at your hands but with 8 colors the expansion of the color gamut is virtually limitless. Vibrant colors, durability and flexibility allows us to offer a one-ink solution to so many different opportunities in textile manufacturing. The versatility of DigiAce is digital printing for both screen printing and direct textile decorating and with only a 2 to 3 minutes drying for finishing. This means within minutes you put a finished product in your hands.
    10:30
    Optimizing the manufacturing process of bulk digital ink
    Amazon Filters
    The presentation will highlight how principles from the pharma and biopharma industries can be applied to the digital ink manufacturing process enhancing quality and efficiency. The analysis of the rheology changes due to high flux rates and shear will be discussed.
    11:00
    NETWORKING COFFEE BREAK
    11:30
    Solutions for next generation inkjet inks: Waterborne UV and UV LED boosters
    Allnex
    Because of increasing regulatory pressure on acrylate monomers, the UV curable inkjet market is investigating the use of UV curable waterborne resins and PUDs. After some initial success in this area, investigations are also focusing on the use of water-based UV PUDs in indirect food packaging applications. Another trend in UV curable inkjet inks is the use of UV LED lamps for the entire curing process. Because of increased oxygen inhibition effects with UV LED, and the desire to reduce/eliminate nitrogen inerting, there is a need for raw materials with faster UV LED cure speeds under ambient cure conditions. This presentation will provide information on both water-based UV inkjet inks, and a new raw material with improved UV LED cure speed.
    12:00
    Inkjet for functional and aesthetics surface texturing
    Kuei
    Inkjet has reached outstanding printing quality and it is rapidly replacing traditional analog printing in many industries. Especially when reproducing natural material such as wood and stones, a good print is not enough as people need sensing and touching the material. We are proud to show our latest development which allows to combine exceptional printing with in-registration 3D texturing bringing material to life.
    12:30
    Recent experimental advances in characterizing inks and substrates optimizing inkjet processes and ink adhesion
    Krüss
    Inkjet printing processes are governed by the solid-liquid interactions between ink and nozzle and ink and substrate. In particular, due to the large range of very different substrates, a proper adjustment of the ink to the substrate properties is important to ensure a proper print image preventing e.g. fuzzy images due to excessive drop spreading or Marangoni-effect driven coffee stain effects. We will explain and illustrate on customer examples, how state-of-the-art dynamic surface tension and picoliter sessile drop contact angle measurements help to adjust inks to certain printing processes. In addition, we provide ideas how interfacial rheology measurements can be useful to gain insight into Marangoni flows during evaporation. Also, considering the polar and disperse parts of the inks’ surface tension and the substrates’ surface free energy can help significantly optimizing not only the print image, but also the durability, i.e. long term stability of a particular ink-substrate pairing, as will be illustrated in this presentation. Further, we will demonstrate on the example of polyethylene and polypropylene when and why test-inks (i.e. dyne pens) fail to monitor the efficiency of plasma and/or corona pre-treatments and how modern contact angle measurements can prevent substrate overtreatment and thus assuring best durability of a coating. In this context, we will also illustrate how the recently patented liquid needle dosing technique facilitates high speed contact angle measurements, in that possible error sources still present in traditional contact angle techniques are intrinsically excluded and thereby provide substrate’s surface free energy data of highest reproducibility and best comparability combined with greatest ease-of use.
    13:00
    NETWORKING LUNCH BREAK
    14:00
    Ink filtration ‘at the printhead’
    Porvair
    Within modern inkjet printers there is a requirement to ensure that the ink is particle-free to prevent blockage of the printhead and ensure a consistent print quality. Inline filtration provides a solution but with potential pitfalls; guaranteed transmission of dyes and pigments, and ensuring that flow is maintained through the filter, are as important as the efficient retention of contaminants. Increasingly fine printing requirements and novel formulations result in challenges that require filters to inhibit the passage of gel-like particles and remain effective in scenarios where the solution might be chemically aggressive and viscous. Complex droplet geometry requirements, the differing filtration characteristics of dyes and pigments, and the formation of precipitates due to heat generated in the printer, all present challenges that need to be overcome in the design and selection of filters. Simultaneous to these requirements, the filters must be sufficiently robust, not to add contaminants through fibre release.
    14:30
    Advantage of DO-measurement in the lab and online on board of the printer
    UMS
    Fast printing heads demand precise conditioning of ink. A low dissolved oxygen level is one of the major characteristics of an appropriate conditioned printing ink. For 15 years, UMS has been offering proven and easy to handle oxygen sensors and meters for the printing industry. The presentation will show some measuring tools and will explain how to use them.
    15:00
    From capture to print: Closing the loop from surface capture to any printing process
    Metis
    LED/UV cured inkjet printing opens up new possibilities of producing 3D results with 2D print devices. This session will address the objective capture (scanning/imaging) and communication (file delivery/printing) of the three primary attributes of a surface composition: color, texture and glossiness.
    15:30
    BEST SPEAKER AWARDS (on track 1)
  • 1

Moderators

  • Paul Gardner


    BIO
  • Prof. Fritz Bircher

    The iPrint Institute, University of Western Switzerland
    BIO

  • Prof. Hitoshi Ujiie

    Center for Excellence in Surface Imaging, Thomas Jefferson University
    BIO
  • Chrys Lynn

    Hillam Technology Partners
    BIO

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Next USA InkJet Conference

TheIJC USA 2018
12-13 April 2018
Chicago

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TheIJC is an ESMA event - ESMA is a leading non-profit European association for printing manufacturers in screen, digital and flexo technology.

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