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Gelatine for Mat Inkjet Paper

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Abstract:

Gelatine as receptive coating of photo paper is known for high quality prints with high gloss. The light fastness and color density of prints on gelatine coatings can hardly be beaten by any other coating.

On the other hand mat inkjet papers very often suffer from poor color density of the prints, resulting in pale colors. GELITA has investigated combinations of pigments like silica or carbonate with gelatine. Mat papers were obtained with excellent color density of the prints. In detailed investigations we have identified several formulations which give mechanically stable coatings (no dusting) and result in instant dry prints. Increase in color density of more than 30% in comparison to office paper could be detected. The high color density in combination with the other properties of the coatings offer the papermaker a lot of new options to create either high end mat inkjet paper with better performance cost ratio or ‘upgraded’ inkjet paper with interesting economy. The formulations can be applied by blade coating or film press device. Therefore different coating weights and paper qualities can be produced. The findings presented here have been filed as patent application. The experiments have been performed on a lab scale and further improvements by scale up can be expected.

Document Type: Research Article

Publication date: January 1, 2005

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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