Adjusting UV-assisted rheology / Tobias Sommer in EUROPEAN COATINGS JOURNAL (ECJ), N° 7-8 (07-08/2022)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 7-8 (07-08/2022) . - p. 42-46 Titre : Adjusting UV-assisted rheology : Curing process of UV-curable inkjet inks can be improved and thus the migration potential of harmful photoinitiators can be significantly reduced Type de document : texte imprimé Auteurs : Tobias Sommer, Auteur ; Felipe Wolff Fabris, Auteur ; Christopher Giehl, Auteur ; Anton Paar, Auteur Année de publication : 2022 Article en page(s) : p. 42-46 Langues : Anglais (eng) Catégories : Emballages Encre -- Séchage sous rayonnement ultraviolet Encre jet d'encre Granulométrie Photoamorceurs (chimie) Photoréticulation Pigments Rhéologie Index. décimale : 667.9 Revêtements et enduits Résumé : The development of radiation-curing inkjet inks, such as low-migration inks for the packaging industry, represents a demanding process. At the same time, however, this also increases the need for quality assurance and characterisation methods that are adapted to the actual curing process. UV-assisted rheology has great potential for this. Note de contenu : - Measurement methodology - A question of formulation - Curing reaction : particle size - Curing reaction : pigments - Curing reaction : initiators - Curing reaction : irradiation intensity En ligne : https://drive.google.com/file/d/19GBeTOxKnW5IT6TTTZtiPHrC4e9Xsrrz/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38024 [article]

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Advancements in UV LED inks / Stacy Hoge in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 205, N° 4611 (08/2015)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 205, N° 4611 (08/2015) . - p. 18-19 Titre : Advancements in UV LED inks Type de document : texte imprimé Auteurs : Stacy Hoge, Auteur Année de publication : 2015 Article en page(s) : p. 18-19 Langues : Anglais (eng) Catégories : Décoration et ornement Diodes électroluminescentes Emballages Encre -- Séchage sous rayonnement ultraviolet Impression en couleur Photoamorceurs (chimie) Photoréticulation Produits chimiques -- Migration Index. décimale : 667.2 Colorants et pigments Résumé : UV curing is a photopolymerisation process that uses UV energy to change a liquid to a solid. Upon absorption of the UV energy, the photoinitiator (PI) produces free radicals, which initiale cross-linking with binders (monomers and oligomers) in a polymerisation reaclion to cure or solidify the ink. A photoinitiator is any chemical compound that decomposes into free radicals when exposed to light. These special additives ensure that an ink or varnish film is fully cured within a short lime on exposure to light. Photoinitiators need light or high energy UV radiation, in order to trigger the polymerisation process. Note de contenu : - Inks formulated for UV LED - Available inks - Decorative printing - Package printing - What is low migration ? En ligne : https://drive.google.com/file/d/1fQtKXbNd-MX0pOclSTQlS_HCm3ilDsdM/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24933 [article]

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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]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 3 (05/2019) . - p. 689-397 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 Rhéologie Index. 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 test DOI : 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 : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32582 [article]

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Challenges for UV curing / Sebastien Villeneuve in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4503 (08/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4503 (08/2006) . - p. 44-47 Titre : Challenges for UV curing Type de document : texte imprimé Auteurs : Sebastien Villeneuve, Auteur Année de publication : 2006 Article en page(s) : p. 44-47 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Emballages Encre -- Séchage sous rayonnement ultraviolet Encre en phase solvant Encre flexographique Souplesse (mécanique) Index. décimale : 667.4 Encres Résumé : The authors ask whether UV curing inks exhibit enough technical and economical advantages flexible packaging applications. UV curing inks and coatings still face certain challenges before they can gain major positions in the flexible packaging market from the currently dominating solventborne and - to a lesser extent - waterborne formulations. Can food compliance requirements be met ? Can the cost/performance gap versus solvent-borne systems be reduced ? Can the stringent technical demands (adhesion, lamination ability, retorting and sealing resistance, etc.) of the various packaging applications be bulfilled ? These are the parameters that will determine the ability of UV-curing inks and coatings to significantly extend their fields of application in flexible packaging. Technology developments that support the formulation and use of a new generation of UV-curable inks and coatings are described below. Note de contenu : - LPIs in Europe and trends - Stumbling blocks - Adopting UV curing - Correcting deficiencies - Adhesion to synthetic substrates - Curing and other performance-related factors - Curing conditions - The oxygen enemy - New perspectives for photoinitiators Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27494 [article]

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Challenges for UV curing / Sebastien Villeneuve in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4497 (02/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4497 (02/2006) . - p. 38-41 Titre : Challenges for UV curing Type de document : texte imprimé Auteurs : Sebastien Villeneuve, Auteur Année de publication : 2006 Article en page(s) : p. 38-41 Note générale : Bilbiogr. Langues : Anglais (eng) Catégories : Emballages Encre -- Séchage sous rayonnement ultraviolet Souplesse (mécanique) Index. décimale : 667.9 Revêtements et enduits Résumé : Can UV curing inks exhibit enough technical and economical advantages for flexible packaging applications ? UV curing inks and coatins still face certain challenges before they can gain major positions in the flexible packaging market from the currently dominating solventborne and - to a lesser extent - waterborne formulations. Can food compliance requirements be met ? Can the cost/performance gap versus solvent-borne systems be reduced ? Can the stringent technical demands (adhesion, lamination ability, retorting and sealing resistance, etc.) of the various packaging applications be fulfilled ? These are the parameters that will determine the ability of UV curing inks and coatings to significantly extend their fields of application in the flexible packaging. Technology developments that support the formulation and use of a new generation of UV-curable inks and coatings are described below. Note de contenu : - Introduction : LPis in europe and trends - Stumbling blocks - Adopting uv curing - Correcting deficiencies - Adhesion to synthetic substrates - Curing and other performance-related factors - Curing conditions - The oxygen enemy - New perspectives for photoinitiators Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27598 [article]

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Closing migration routes / Roel De Mondt in EUROPEAN COATINGS JOURNAL (ECJ), N° 4 (04/2013)  

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Fast foundations for printing / David K. Hood in EUROPEAN COATINGS JOURNAL (ECJ), N° 12 (12/2011)  

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Faster surface drying / Kevin Poelmans in EUROPEAN COATINGS JOURNAL (ECJ), N° 6 (06/2018)  

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Flexography & UV curable inks : The perfect couple / Indrajit Bhattcharya in PAINTINDIA, N° annuel 2002 (2002)

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Getting on the right wavelength / Michael Peil in EUROPEAN COATINGS JOURNAL (ECJ), N° 2 (02/2012)  

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Hybrid inks benefit printers / John Maitland in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 194, N° 4481 (10/2004)

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Impact of extenders in TiO2 reduction and curing efficiency in UV cured flexo ink / Amandine Briand in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 209, N° 4657 (12/2019)  

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Indirect printing of food packaging / Tracey Norton in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4595 (04/2014)  

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Influence of dwell time and temperature on the measured gloss of printed UV-inks containing aluminum pigments / Carl Fridolin Weber in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 21, N° 1 (01/2024)  

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Low energy - High performance / Carsten Zölzer in EUROPEAN COATINGS JOURNAL (ECJ), N° 10 (10/2016)  

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Modern UV inks : A novel shade of green / Richard Holman in EUROPEAN COATINGS JOURNAL (ECJ), N° 9/95 (09/1995)

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New generation inks / Andre Fuchs in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 195, N° 4485 (02/2005)

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Performance limitations in curing thick pigmented inks and coatings / Bob Blandford in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4626 (11/2016)  

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Performance optimization of 100% solids, UV-cure inks and wood fillers using aluminum trihydroxide (ATH) filler / N. R. Dando in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 68, N° 859 (08/1996)

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Performance des revêtements et encres cationiques UV / David James in DOUBLE LIAISON, N° 569 (07/2009)

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