Assessment of the UV inkjet ink penetration into laboratory papers within triticale pulp and its influence on print quality / Irena Bates in COLORATION TECHNOLOGY, Vol. 138, N° 1 (02/2022)  

[article]  inCOLORATION TECHNOLOGY > Vol. 138, N° 1 (02/2022) . - p. 16-27 Titre : Assessment of the UV inkjet ink penetration into laboratory papers within triticale pulp and its influence on print quality Type de document : texte imprimé Auteurs : Irena Bates, Auteur ; Ivana Plazonic, Auteur ; Katja Petric Maretic, Auteur ; Maja Rudolf, Auteur ; Valentina Radic Seles, Auteur Année de publication : 2022 Article en page(s) : p. 16-27 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Evaluation Impression jet d'encre Mesure Papier -- Coloration Pénétration (physique) Index. décimale : 620.197 Matériaux fibreux d'origine végétale et animale : textiles, papier Résumé : Today the print quality of digital printing techniques has improved and is considered satisfactory and competitive to analogue techniques for certain graphic products. Satisfactory print quality mostly depends on the interaction of ink and printing substrate where ink penetration has an important role. Namely, the ink penetration affects the parameters that describe the print quality together with visual appearance of print density and mottling. Therefore, it is important to select an adequate printing substrate for each printing technique. Awareness of environmental problems related to the shortage of wood raw materials has led to an increase in the use of recycled printing paper and in particular the implementation of new alternative sources of cellulose fibres instead of virgin wood fibres in the papermaking process. In this research the emphasis is precisely on defining the influence of ink penetration into laboratory papers made of triticale pulp on the final print quality. The laboratory printing papers were obtained by mixing triticale pulp with pulp from recycled fibres in three different portions. Papers were thereafter printed by ultraviolet (UV) inkjet printer and the ink penetration within laboratory papers with and without straw pulp was analysed using two methods of ink penetration analysis (microscopic/spectroscopic). The influence of ink penetration on the final print quality was observed and analysed based on several quality parameters (optical ink density, mottling and colorimetric values). These results confirmed that triticale pulp in laboratory papers provides equal print quality compared to laboratory papers made only from pulp from recycled fibres. Note de contenu : - EXPERIMENTAL : Laboratory papers - Printing of laboratory papers - Analysis - RESULTS AND DISCUSSION : Measurement of ink penetration depth - Assessment of print quality - Table 1 : Pulping conditions - Table 2 : Laboratory papers composition and some basic characteristics - Table 3 : Characteristics of the control sample (N)–Ink penetration depth (Hpm and Hps) and print quality parameters (mottling and optical ink density) - Table 4 : The Euclidean colour difference (ΔE00*) between printed reference laboratory paper without triticale pulp (N) and printed laboratory papers with triticale pulp (1NT, 2NT, 3NT) DOI : https://doi.org/10.1111/cote.12563 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12563 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37495 [article]

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