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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]
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 : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37495
in COLORATION TECHNOLOGY > Vol. 138, N° 1 (02/2022) . - p. 16-27[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23517 - Périodique Bibliothèque principale Documentaires Disponible Assuring parts cleanliness, increasing economic efficiency in INTERNATIONAL SURFACE TECHNOLOGY (IST), Vol. 7, N° 2 (2014)
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Titre : Assuring parts cleanliness, increasing economic efficiency Type de document : texte imprimé Année de publication : 2014 Article en page(s) : p. 37-39 Langues : Anglais (eng) Catégories : Mesure
Métaux -- Nettoyage
Pièces usinées -- Nettoyage
Surfaces -- Nettoyage
Surfactants
Tension superficielleIndex. décimale : 671.7 Finissage et traitement des surfaces Résumé : Waterbased cleaning agents have optimal effects when their components are regularly monitored, carefully dosed and their concentrations are kept stable. This assures not only stable parts cleanliness but also increases the economic efficiency of cleaning processes. Note de contenu : - Change in concentration
- Insufficient parts cleanliness caused by surfactant depletion
- Monitoring assures stable cleanliness
- Bubble pressure tensiometrie - Measuring the surface tension
- Devices for manual and automated monitoringPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21918
in INTERNATIONAL SURFACE TECHNOLOGY (IST) > Vol. 7, N° 2 (2014) . - p. 37-39[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 16451 - Périodique Bibliothèque principale Documentaires Disponible L'automatisation d'une ligne d'extrusion / Thomas Kosthorst in CAOUTCHOUCS & PLASTIQUES, N° 740 (04/1995)
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Titre : L'automatisation d'une ligne d'extrusion Type de document : texte imprimé Auteurs : Thomas Kosthorst, Auteur Année de publication : 1995 Article en page(s) : p. 50-52 Langues : Français (fre) Catégories : Automatisation
Matières plastiques -- Extrusion -- Appareils et matériels
Mesure
UltrasonsIndex. décimale : 668.4 Plastiques, vinyles Résumé : Basée sur la commande Unilog TC 40, la réponse apportée par Battenfeld dans ce domaine repose sur un concept évolutif et perfectible. Note de contenu : - La mesure par ultrasons a fait ses preuves
- Expériences tirées des applications pratiquesPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25403
in CAOUTCHOUCS & PLASTIQUES > N° 740 (04/1995) . - p. 50-52[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 002564 - Périodique Bibliothèque principale Documentaires Disponible A better understanding of demolding / Maximilian Schönherr in PLASTICS INSIGHTS, Vol. 113, N° 7 (2023)
[article]
Titre : A better understanding of demolding : Determination of the adhesive-dependent demolding force injection molding Type de document : texte imprimé Auteurs : Maximilian Schönherr, Auteur ; Bernd Gundelsweiler, Auteur Année de publication : 2023 Article en page(s) : p. 30-33 Langues : Anglais (eng) Catégories : Capteurs (technologie)
Démoulage
Force de démoulage
Matières plastiques -- Moulage par injection
Mesure
Moules d'injection
Pression
Résistance à la compression
Résistance à la tractionIndex. décimale : 668.4 Plastiques, vinyles Résumé : What force is required to remove a plastic part from the mold surface? To investigate this question, the Institute of Design and Production in Precision Engineering (IKFF) at the University of Stuttgart, Germany, has developed an innovative measurement tool. This permits a practical and cost-effective analysis of the pull-off force components of the plastic/steel surface combination under tensile loading. Note de contenu : - Reproducible characteristic values for adhesive bonding
- Practical measurement of the demolding force
- The influence of the mold coating
- The influence of the demolding temperature
- What role does the plastic play ?En ligne : https://drive.google.com/file/d/1PHdqENhSi-89uYIsRBGMXAGMGp-R3LD6/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40330
in PLASTICS INSIGHTS > Vol. 113, N° 7 (2023) . - p. 30-33[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24187 - Périodique Bibliothèque principale Documentaires Disponible Bio-based polyester itaconates as binder resins for UV-curing offset printing inks / Tobias Robert in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 3 (05/2019)
[article]
Titre : Bio-based polyester itaconates as binder resins for UV-curing offset printing inks Type de document : texte imprimé Auteurs : Tobias Robert, Auteur ; Steven Eschig, Auteur ; Toine Biemans, Auteur ; Frank Scheifler, Auteur Année de publication : 2019 Article en page(s) : p. 689-397 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Biopolymères
Chromatographie sur gel
Encre -- Séchage sous rayonnement ultraviolet
Encre d'imprimerie
Essais (technologie)
Formulation (Génie chimique)
Itaconates de polyester
Mesure
Offset (imprimerie)
Polymères -- Synthèse
RhéologieIndex. décimale : 667.9 Revêtements et enduits Résumé : UV-curing inks have several economic and environmental advantages compared with standard printing inks, such as high printing velocities, low VOC emissions and good adhesion to nonabsorbing substrates. However, there are also some drawbacks, such as residual monomers, pungent odor and allergic potential of monomers and prepolymers derived from acrylic acid. In addition, only few examples of UV-curing inks derived from renewable resources are known. Herein, acrylate-free UV-curing polyester itaconates with a renewable content up to 100% and their application as binder resins in UV-curing offset ink formulations are presented. In order to obtain a high renewable content in the polyester resins, Zn(OAc)2 had to be used as polycondensation catalyst, as standard Brønsted acid catalyst led to undesired side reactions. The resins obtained with this synthetic protocol were tested on their reactivity, which was slightly lower than a commercial polyester acrylate. Printing inks formulated from these polyester itaconates showed interesting properties despite the fact that no acrylic acid was incorporated in the resins. Note de contenu : - Materials
- Measurements
- Synthesis of polyester itaconates (PE-I)
- Viscosity
- Size exclusion chromatography (SEC) measurements
- Curing tests and printing tests
- Printing ink formulations
- Misting tests
- Flow testDOI : 10.1007/s11998-018-0146-4 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-018-0146-4.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32582
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 3 (05/2019) . - p. 689-397[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20953 - Périodique Bibliothèque principale Documentaires Disponible Biophotonics - A new field in efficacy testing UV-protection of skin and hair monitored by ICL-S and ICL-M / S. Bernard in SOFW JOURNAL, Vol. 128, N° 6 (06/2002)
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