A coating concept for shrink films / Stefan Schiessl in PLASTICS INSIGHTS, Vol. 113, N° 8 (2023)  

[article]  inPLASTICS INSIGHTS > Vol. 113, N° 8 (2023) . - p. 72-75 Titre : A coating concept for shrink films : New, low-cohesion coatings allow functionalization via covalent bonds Type de document : texte imprimé Auteurs : Stefan Schiessl, Auteur ; Klaus Noller, Auteur Année de publication : 2023 Article en page(s) : p. 72-75 Langues : Anglais (eng) Catégories : Emballages en matières plastiques Films rétractables Laque et laquage Polyéthylène Protection contre le rayonnement ultraviolet Revêtements Surface anti-buée Surfaces (technologie) Surfaces fonctionnelles Traitement rouleau à rouleau Index. décimale : 668.4 Plastiques, vinyles Résumé : The coating of shrink films has so far proven to be challenging because only a few shrinkable coating systems are available. A new family of coating systems that react with the substrate surface and are covalently bonded to it is now expanding the possibilities. UV-protective coatings and coatings with anti-fogging properties have already been successfully applied on a roll-to-roll scale. In theory, though, any type of functionalization can be chosen. Note de contenu : - Two disadvantages of traditional coatings: migration and degradation - Flexible film versus shrink film - New coating systems – a modified stöber synthesis - From laboratory to roll-to-roll trials - Shrink film with uv protection and anti-fogging properties - Fig. 1 : Traditional functionalization layer applied to a PE shrink film before shrinking - Fig. 2 : Schematic illustration of how the new coatings work using a UV-blocking layer for functionalizing shrink film En ligne : https://drive.google.com/file/d/1YDI2EINt_Mdaa0_xbMRYaGqpDpYmXL7J/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40560 [article]

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Computations of coating windows for reverse roll coating of liquid films in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 4 (07/2020)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 4 (07/2020) . - p. 897-910 Titre : Computations of coating windows for reverse roll coating of liquid films Type de document : texte imprimé Année de publication : 2020 Article en page(s) : p. 897-910 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Traitement rouleau à rouleau Tags : 'Revêtement  rouleau  à  rouleau'  au  inversé'  'Fenêtre  de  revêtement'  'Stabilité  du Index. décimale : 667.9 Revêtements et enduits Résumé : This paper focuses on the flow stability of reverse roll coating flows employed in practical applications to coat thin liquid films on substrates of different materials. Other coating methods are available and various computer programs are purported to predict (for each corresponding method) the set of parameters that permit stable coating conditions. The application of these programs yields so-called coating windows for each particular coating setup. Knowing these coating windows permits coating methods to be applied with preknowledge of the sets of parameters for stable coatings. For reverse roll coating, computer codes for predicting coating windows are scarce or even nonexistent, which was the reason for the present work on the analytical considerations described in this paper. The results obtained formed the basis for a reverse roll coating computer program and its applications. The program is described, and computational results are provided. These are compared with experimental data available in the literature. Good agreement was obtained for high capillary number flows, but there were discrepancies between experimental and computational results for lower capillary numbers. The experimental results for low capillary number flows also appeared less reliable, which triggered the present experimental work. Some experimental results are given for low capillary numbers and these results are also compared with corresponding numerical data. It is suggested that a test section should be built consisting of two rollers and one slot die to study experimentally the stability regions of reverse roll coating flows in a rigorous manner. Note de contenu : - Theoretical background and essential equations - Program to predict coating window suite - Computations and results : Parameter study - Validation against experimental data - Present experiments and first results DOI : https://doi.org/10.1007/s11998-020-00328-1 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00328-1.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34379 [article]

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Fluid-dynamic properties and wetting behavior of coating inks for roll-to-roll production of polymer-based solar cells in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 11, N° 1 (01/2014)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 11, N° 1 (01/2014) Titre : Fluid-dynamic properties and wetting behavior of coating inks for roll-to-roll production of polymer-based solar cells Type de document : texte imprimé Année de publication : 2014 Langues : Américain (ame) Catégories : Cellule polymère photovoltaïque Composants électriques et électroniques Electronique imprimée Enduction par filière Energie de surface Mouillage (chimie des surfaces) Nanoparticules Oxyde de zinc Photopiles Poly(3,4-éthylènedioxythiophène) Polystyrène sulfone Revêtements Surfactants Tension superficielle Traitement corona Traitement rouleau à rouleau Viscosité [6,6]-phényl-C61-butyrate de méthyle Index. décimale : 667.9 Revêtements et enduits DOI : 10.1007/s11998-013-9483-5 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-013-9483-5.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20617 [article]

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Hybrid multilayer thin-film fabrication by atmospheric deposition process for enhancing the barrier performance / Srikanth Jagadeesan in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 15, N° 6 (11/2018)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 15, N° 6 (11/2018) . - p. 1391-1399 Titre : Hybrid multilayer thin-film fabrication by atmospheric deposition process for enhancing the barrier performance Type de document : texte imprimé Auteurs : Srikanth Jagadeesan, Auteur ; Jong Hwan Lim, Auteur ; Kyung Hyun Choi ; Yang Hoi Doh Année de publication : 2018 Article en page(s) : p. 1391-1399 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Couches minces multicouches Dépôt de couches minces atomiques Matériaux -- Propriétés barrières Morphologie (matériaux) Revêtements -- Propriétés mécaniques Revêtements -- Propriétés optiques Surfaces -- Analyse Traitement rouleau à rouleau Index. décimale : 667.9 Revêtements et enduits Résumé : In this paper, a multilayer barrier thin film, based on polyvinylidene difluoride (PVDF)–silicon dioxide (SiO2), has been fabricated on a PET substrate through a novel method of joint fabrication techniques. The inorganic SiO2 thin film was deposited using a roll-to-roll atmospheric atomic layer deposition system (R2R-AALD), while the organic PVDF layer was deposited on the surface of SiO2 through the electrohydrodynamic atomization (EHDA) technique. The multilayer barrier thin films exhibited very good surface morphology, chemical composition, and optical properties. The obtained values for arithmetic surface roughness and water contact angle of the as-developed multilayer barrier thin film were 3.88 nm and 125°, respectively. The total thickness of the multilayer barrier thin film was 520 nm with a high optical transmittance value (85–90%). The water vapor transmission rate (WVTR) of the barrier thin film was ~ 0.9 × 10−2 g m−2 day−1. This combination of dual fabrication techniques (R2R-AALD and EHDA) for the development of multilayer barrier thin films is promising for gas barrier applications. Note de contenu : - EXPERIMENTAL DETAILS : Materials and method - Roll-to-roll atmospheric atomic layer deposition of SiO2 - PVDF deposition through EHDA technique - Characterization - RESULTS AND DISCUSSION : Surface morphology - Compositional analysis - Optical properties - Barrier properties - Mechanical property DOI : 10.1007/s11998-018-0090-3 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-018-0090-3.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31356 [article]

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Low-temperature fabrication of TiO2 film on flexible substrate by atmospheric roll-to-roll CVD / Srikanth Jagadeesan in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 14, N° 3 (05/2017)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 14, N° 3 (05/2017) . - p. 701-708 Titre : Low-temperature fabrication of TiO2 film on flexible substrate by atmospheric roll-to-roll CVD Type de document : texte imprimé Auteurs : Srikanth Jagadeesan, Auteur ; Yang Hoi Doh, Auteur ; Kyung-Hyun Choi, Auteur Année de publication : 2017 Article en page(s) : p. 701-708 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Basses températures Couches minces Dépôt chimique en phase vapeur Dioxyde de titane Matières plastiques -- Revêtement:Matières plastiques -- Peinture Polyéthylène téréphtalate Traitement rouleau à rouleau Index. décimale : 667.9 Revêtements et enduits Résumé : Titanium dioxide (TiO2) thin film was fabricated using titanium isopropoxide as a precursor through an atmospheric low-temperature roll-to-roll chemical vapor deposition method. TiO2 was deposited on the PET substrate in the temperature range of room temperature to 100°C, and the working pressure was 740 Torr. The surface morphology of TiO2 thin film was analyzed by field emission scanning electron microscopy and a 2D surface profiler. The results revealed that the growth rate of TiO2 film was 31 nm/min at 100°C, and it also showed that the surface is uniform and smooth. Moreover, the lowest root mean square roughness (Rq) value of 1.87 nm was obtained for TiO2 film prepared at 100°C. The composition of TiO2 film was confirmed by X-ray photoelectron spectroscopy (XPS) analysis. The film showed very good chemical and optical properties while increasing the substrate deposition temperature. The UV–Vis spectroscopy analysis revealed that TiO2 films exhibited excellent optical transmittance, more than 91% observed in the visible region. Note de contenu : - Film growth - Surface morphology - Optical transmission - Compositional analysis - Electrical properties DOI : 10.1007/s11998-016-9888-z En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-016-9888-z.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28578 [article]

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Multi-layer coating for conductive textiles with drying via NIR-technology / Evelyn Lempa in TECHNICAL TEXTILES, Vol. 65, N° 4 (10/2022)  

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Rapid processing of perovskite solar cells through pulsed photonic annealing : a review / Amir H. Ghahremani in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 6 (11/2019)  

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Roll-to-roll micromolding ov UV curable coatings / Yuyang Du in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 18, N° 3 (05/2021)  

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Self-sensing materials are here in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 209, N° 4648 (02/2019)  

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A study of the bubbles in UV micro roll-to-roll imprinting / H. C. Ye in INTERNATIONAL POLYMER PROCESSING, Vol. XXIX, N° 5 (11/2014)  

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Tailor-made products using 3D printing in TECHNICAL TEXTILES, Vol. 66, N° 3 (2023)  

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The microfoam system / G. Tadiello in WORLD LEATHER, Vol. 6, N° 3 (06-07/1993)  

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