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Presentations 2015, 2016

iarigai Toronto 2016
iarigai, VIGC, IS&T at drupa 2016

iarigai VIGC, Brussels
Evolutions in food packaging printing

You are here: Conferences & Events * 2008 Valencia * Abstracts * 0. Introduction

0. Introduction

0.01. Advancing the frontiers of printing and media technology research

Nils Enlund

Co-editor, Chairman of the Program Committee
KTH - Royal Institute of Technology, Media Technology and Graphic Arts
Stockholm, Sweden
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The scientific studies included in this volume provide an overview of current international research in the broad and diverse field of media and printing technology. The book contains the scientific and technical research contributions presented at the 35th International Research Conference of iarigai, the International Association of Research Organizations for the Information, Media and Graphic Arts Industries, held in Valencia, Spain, on September 7-10, 2008. The contributions, selected by a scientific board of international experts through a double-blind review process, present recent scientific work aiming at the advancement of printing and media technology and at a better understanding of the processes and changing conditions of the media industry.

We set the stage for the reviewed research reports by opening this volume with two specially invited contributions. The organization hosting the conference, AIDO, introduces the theme of environmental considerations in the printing industry with a case study on ecodesign management. The theme of special printing technologies is introduced through a paper by a young promising researcher, Ingo Reinhold, who won the award for the best student presentation at the Printing Future Days in 2007.

The printing and media industry faces great challenges as the world in which it operates rapidly changes. In the first section of this book we address questions of high strategic importance: environmental issues, industry restructuring, quality management, alternative content distribution methods and channels, as well as business considerations. In order to remain competitive, the industry must learn from the findings of independent researchers investigating threats and possibilities within these fields.

The second section is concerned with the printing processes and the materials used for printing. The included papers address productivity, printability, runnability, print quality, ink transfer as well as pigments, inks, coatings and substrates. In the third section, the focus is on new developments in special printing techniques and applications: security printing, printed electronics and enzyme printing. There are many exciting new developments in this field.

The final section of the current volume discusses color reproduction and color quality. The included papers report findings on high definition halftone printing, screening techniques, color management, testing and measuring methods, and many other highly topical issues.

Scientific and technical progress is mostly incremental and the results presented here are definitely advancing the frontiers of knowledge. You may find studies that will be of immediate use in your present activities or you may scan the content for future reference. In any case, they will certainly prove valuable both for researchers and practitioners in our field.


0.02. Minimizing the environmental impacts of the SMEs: a challenge for the graphic industry

Susana Otero, David Pérez, Vicente de Gracia, Juan Carlos Iglesias

Technological Institute of Optics, Colour and Imaging, AIDO
C/ Nicolás Copérnico 7-13
46980 Paterna, Valencia
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Minimizing the environmental impacts is a commitment that we should acquire in all areas of everyday activity with special attention to industrial activity, which should move towards sustainable growth. The Sustainable Development was described by the Brundtland Commission in the Report “Our Common Future” in 1987 as “development that meets the needs of the present without compromising the ability of future generations to meet their own needs”. However, traditionally it has been considered that minimizing the environmental impacts, development and industrial growth are not compatible; and most entrepreneur in general feel that to guide their production in a sustainable manner must make large investments, a great economic effort, suffering an apparent loss of competitiveness.

The specificity of the industrial fabric in the printing industry, more than 85% of the industrial structure is composed by SMEs employing less than 20 workers (Intergraf), makes particularly difficult taken the best practices in order to reduce the environmental impact of their activity, basically because the SMEs do not have qualified technical employees for this task to assume the challenge from within the company. Initiatives such as the BREF document from the European Commission are the first step, but the definitive one is to know how to carry the BATs to the SMEs jointly with implementation procedures in order to facilitate its implementation in the printing companies. The real challenge is to establish guidelines that facilitate the adoption of the best environmental practice in daily production while also demonstrating that a lower environmental impact and competitiveness are not incompatible.

Keywords: BATs, best practices, environment, graphic industry, sustainability


0.03. Numerical simulation and investigation of processes present in AC corona charging systems

Ingo Reinhold(1), Stephan F. Jahn(1), Lutz Engisch(2), Reinhard R. Baumann(1)

(1) Institute for Print and Media Technology, Chemnitz University of Technology
Reichenhainer Str. 70 D-09126 Chemnitz, Germany
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(2) Queensland University of Technology, School of Physical and Chemical Sciences
GPO BOX 2434, Brisbane, Australia

The rapid development of today's commercial printing and graphic arts industry calls for higher throughput and constantly rising imaging quality for a diversity of printing processes and machines. One of the promising technologies for high-speed digital printing is xerography. Furthermore, electro-photographic solid free-from fabrication (ESFF) has been proposed for rapid-prototyping applications [Fay, 2007]. To meet the performance requirements for rapid charging of photoconductors, increased charge current is needed, which is commonly achieved by applying AC corona charging devices, which also reduces the ion energies compared to DC discharges. This paper deals with the fundamental properties of AC corona charging systems. A 2D finite element simulation is conducted to show the space charge development and resulting surface potential of the photoconductor. Mechanisms leading to high current systems and possible drawbacks are outlined.

Keywords: Colour, gamut, newsprint, offset, visual assessment


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Last update: 11 April 2015