[article]
| Titre : |
Quantum leap in printing |
| Type de document : |
texte imprimé |
| Auteurs : |
Hans-Tobias Macholdt, Auteur |
| Année de publication : |
2002 |
| Article en page(s) : |
p. 10-14 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Electrophotographie
Encre d'imprimerie
Encre électronique
Pigments
|
| Index. décimale : |
667.4 Encres |
| Résumé : |
The two most important processes are ink-jet printing and electrophotographic printing. How electro-photographic printing works, the improvements being explored and the challenges facing pigment manufacturers are the subjects of this article by the author.
The term Non-Impact-Printing (NIP) is used for the manufacture of printing products which use no real printing forms (printing plate, printing block, etc.). Usually, in this case, a digitally-generated print image is transferred to a printing material with the aid of an NIP process. Xerography describes the process by which an image is built up electrostatically and subsequently developed through covering with electrostatically charged powder. This is the principle, also known as electrophotographic printing, on which many modern copiers, laser printers or faxes work. Today, these items of equipment are to be found in every office and have thoroughly revolutionised day-to-day office like in the last 15 years. Increasingly, the process is also being employed for textile printing, small print runs of industrial printing or digital print images[1,2,3]. Table 1 gives an estimate of global toner volumes and machine placements[4] for the electrophotographic printing process. The market growth is driven by technology. Most key players like Hewlett-Packard, Canon, Lexmark, and Xerox are active with both toner and ink jet technologies. |
| Note de contenu : |
- How do printers and copiers work ?
- Composition of an electronic ink
- Calling for colour
- Future pigments to look different
- Charge Control Agents
- Environmental aspects
- The impact of development
- FIGURE : 1. Operating principle of a laser printer - Triboelectric spectrum of pigment classes - 3. Countries with chemical laws that enforce registration of each chemical component of a toner or inkjet formulation. This also includes additives that may be part of the pigment composition
- TABLES : 1. Estimates of toner volumes and machine placements - 2. Typical composition of pigment based toners - 3. Selected physical properties of two PY 180 pigment types - 4. Chemical classes of charge control agents |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28000 |
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 192, N° 4455 (08/2002) . - p. 10-14
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