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Deposition of Au and ZnO nanoparticles from concentrated colloidal dispersions in ethanol on glass, polyethylene terephthalate, polystyrene and silicone substrates for manufacturing simple and combined coatings / Vladimir Tatarchuk in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 18, N° 1 (01/2021)
[article]
Titre : Deposition of Au and ZnO nanoparticles from concentrated colloidal dispersions in ethanol on glass, polyethylene terephthalate, polystyrene and silicone substrates for manufacturing simple and combined coatings Type de document : texte imprimé Auteurs : Vladimir Tatarchuk, Auteur ; Irina Druzhinina, Auteur ; Evgeny Maksimovskii, Auteur ; Sergei Gromilov, Auteur Année de publication : 2021 Article en page(s) : p. 205-228 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Colloides
Composites
Dispersions et suspensions
Nanoparticules
Or
Oxyde de zinc
Polyéthylène téréphtalate
Polystyrène
Revêtements
Revêtements multicouches
SemiconducteursIndex. décimale : 667.9 Revêtements et enduits Résumé : The deposition of coatings of Au and ZnO nanoparticles (NPs) on glass, semiconductor silicon, polyethylene terephthalate, and polystyrene substrates was studied. Deposition was carried out using relatively concentrated dispersions of particles in ethanol (approximately 5–10 mM Au, ZnO), which showed limited time resistance to coagulation and sedimentation, but returned to their original dispersed state by ultrasonic treatment before each cycle of deposition of NPs. The NPs of Au and ZnO were stabilized by abietate and acetate ions, respectively. Simple coatings from Au or ZnO NPs and a combined coating from a mixture of Au and ZnO NPs, as well as two-layer combined coatings with alternating layers of Au/ZnO and ZnO/Au NPs, were obtained by drop casting and the proposed method of deposition from the capillary layer of the dispersion with the use of a linker. The formation of coatings on transparent substrates was studied by means of UV–Vis spectroscopy. Coatings were characterized by SEM, EDX, XRD, PL, UV–Vis and surface resistance methods. The effect of heat treatment on coatings characteristics was tested. Note de contenu : - EXPERIMENTAL : Materials - Syntheses - Substrate treatment - Coating deposition methods - Study methods
- RESULTS AND DISCUSSION : Coagulation/sedimentation and regeneration of dispersions - Formation of coatings by DCLD - Formation of coatings by DC - Morphology and composition - Optical and electrical characteristics
- Table 1 : Samples and codes
- Table 2 : Parameters of linear dependences during the formation of two-sided coatings by the DLCD method
- Table 3 : Parameters of linear dependences during the formation of one-sided two-layer coatings by the DC method
- Table 4 : The effect of heat treatment on the size of gold crystallites and on the surface resistance of coatings
- Table 5 : EDX results for coatings on glass before and after heating at 380°CDOI : https://doi.org/10.1007/s11998-020-00397-2 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00397-2.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35364
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 18, N° 1 (01/2021) . - p. 205-228[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22605 - Périodique Bibliothèque principale Documentaires Disponible Development of heat-resistant anticorrosion urethane siloxane paints / Moussa Tamboura in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 10, N° 3 (05/2013)
[article]
Titre : Development of heat-resistant anticorrosion urethane siloxane paints Type de document : texte imprimé Auteurs : Moussa Tamboura, Auteur ; Anna M. Mikhailova, Auteur ; Meng Qiu Jia, Auteur Année de publication : 2013 Article en page(s) : p. 381-396 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésion
Alumine
Anticorrosifs
Anticorrosion
Couches minces multicouches
Formulation (Génie chimique)
Liants
Microscopie électronique à balayage
Nitrure de silicium
Oxyde de fer micacé
Phosphate de zinc
Pigments
Polyuréthanes
Résistance thermique
Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques
Revêtements multicouches
SiliconesLes silicones, ou polysiloxanes, sont des composés inorganiques formés d'une chaine silicium-oxygène (...-Si-O-Si-O-Si-O-...) sur laquelle des groupes se fixent, sur les atomes de silicium. Certains groupes organiques peuvent être utilisés pour relier entre elles plusieurs de ces chaines (...-Si-O-...). Le type le plus courant est le poly(diméthylsiloxane) linéaire ou PDMS. Le second groupe en importance de matériaux en silicone est celui des résines de silicone, formées par des oligosiloxanes ramifiés ou en forme de cage (wiki).
Spectroscopie d'impédance électrochimique
ThermogravimétrieIndex. décimale : 667.9 Revêtements et enduits Résumé : Three two-layer heat-resistant and anticorrosion paints have been formulated from urethane siloxane binder and traditional anticorrosion pigments such as micaceous iron oxide (MIO), zinc phosphate (ZP), and aluminum oxide. These pigments were used as the dominant components of different undercoats or topcoats. Heat-resistant pigments such as silicon nitride and glass-spheres were used in the composition of the topcoats. Thermogravimetric analysis of paints shows that the paint with ZP as dominant component of the undercoat have the highest heat-resistance and stability in inert gas and oxygen. The paint with a combination of MIO and ZP has the best hardness as well as the best protective and anticorrosion properties based on the electrochemical impedance spectroscopy. A maximum synergic effect of the properties of pigments seems to appear in this paint. Surface morphology of paints was studied by means of scanning electron microscopy. Heated at different temperatures and for several hours, paint containing MIO as the dominant component in the undercoat exhibits the best mechanical and adhesion properties. Note de contenu : - EXPERIMENTAL : Material - Characterization - Paint formulation
- RESULTS AND DISCUSSION : Chemical resistance, mechanical, and adhesion properties - Thermal properties - Weight loss of PSilPU binder and two-layer AG paints - Surface hardness of two-layer AG paint - Morphology of PSilPU binders and two-layer AG paints - Protective and anticorrosion properties of PSilPU binders and two-layer AG paintsDOI : 10.1007/s11998-012-9464-0 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-012-9464-0.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18737
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 10, N° 3 (05/2013) . - p. 381-396[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15149 - Périodique Bibliothèque principale Documentaires Disponible 15593 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Dual benefits : Novel photocatalytic coating for industrial coil systems Type de document : texte imprimé Auteurs : Sheng-Wei Lin, Auteur Année de publication : 2018 Article en page(s) : p. 40-46 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Dioxyde de titane
Liants
Poudres
Résistance aux conditions climatiques
Revêtement auto-nettoyant:Peinture auto-nettoyante
Revêtements multicouches
SiliconesLes silicones, ou polysiloxanes, sont des composés inorganiques formés d'une chaine silicium-oxygène (...-Si-O-Si-O-Si-O-...) sur laquelle des groupes se fixent, sur les atomes de silicium. Certains groupes organiques peuvent être utilisés pour relier entre elles plusieurs de ces chaines (...-Si-O-...). Le type le plus courant est le poly(diméthylsiloxane) linéaire ou PDMS. Le second groupe en importance de matériaux en silicone est celui des résines de silicone, formées par des oligosiloxanes ramifiés ou en forme de cage (wiki).Index. décimale : 667.9 Revêtements et enduits Résumé : Harnessing the efficiency of TiO2 and expanding its compatibility with the binder polysiloxane, researchers have developed a dual layer coating system. After thorough performance testing, it has proven to be a flexible system that offers benefits such as weathering resistance and long-lasting gloss retention. Note de contenu : - Experimental
- Characterisation reveals near symmetrical results
- Polysiloxane layer improves surface
- Freater resistance with dual layer
- Long-lasting gloss and colour retention
- Effective self-cleaning outdoor application
- Fig. 1 : A schematic diagram of a dual layer-coated coil sheet
- Fig. 2 : XRD patterns of as-prepared TiO2 nanopowders and TiO2 nanopowders after tempering at 700°C for 4 minutes
- Fig. 3 : Basecoat-coated sample with and without flexible polysiloxane basecoat following thermal stability testing
- Fig. 4 : Glass coated with white paint (prepared with a flexible polysiloxane resin) shown after tempering (700°C, 150s)
- Fig. 5 : Concentration change in methylene blue after UV irradiation
- Fig. 6 : Photoinduced decrease of the water contact angle of the dual layer-coated sample after outdoor exposure
- Fig. 7 : Gloss change after 3000 hours of QUV-B irradiation
- Fig. 8 : SMP sample without and with the dual layer-coated sample
- Fig. 9 : A practical factory roof application
- Table 1 : Basic properties of a topcoat layer (without TiO2)-coated tinplate sheet and a dual layer-coated sample (with TiO2) under different heating conditions
- Table 2 : Basic coating performance of the dual layer-coated sample for an SMP coil systemEn ligne : https://drive.google.com/file/d/1Upxtmc7FQaVnvMxeJHEkJEFvNXyA8BtY/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31047
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 9 (09/2018) . - p. 40-46[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20220 - Périodique Bibliothèque principale Documentaires Disponible Durable UV-protective cotton fabric by deposition of multilayer TiO2 nanoparticles films on the surface / Deshan Cheng in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 15, N° 3 (05/2018)
[article]
Titre : Durable UV-protective cotton fabric by deposition of multilayer TiO2 nanoparticles films on the surface Type de document : texte imprimé Auteurs : Deshan Cheng, Auteur ; Mantang He, Auteur ; Guangming Cai, Auteur ; Xin Wang, Auteur ; Jianhua Ran, Auteur ; Jihong Wu, Auteur Année de publication : 2018 Article en page(s) : p. 603-610 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Coton Le coton est une fibre végétale qui entoure les graines des cotonniers "véritables"(Gossypium sp.), un arbuste de la famille des Malvacées. Cette fibre est généralement transformée en fil qui est tissé pour fabriquer des tissus. Le coton est la plus importante des fibres naturelles produites dans le monde. Depuis le XIXe siècle, il constitue, grâce aux progrès de l'industrialisation et de l'agronomie, la première fibre textile du monde (près de la moitié de la consommation mondiale de fibres textiles).
Couches minces multicouches
Dioxyde de titane
Fibres végétales -- Propriétés mécaniques
Fourier, Spectroscopie infrarouge à transformée de
Nanoparticules
Potentiel zeta
Protection contre le rayonnement ultraviolet
Revêtements multicouches
Spectrométrie à énergie dispersive
Systèmes auto-assemblés
ThermogravimétrieIndex. décimale : 667.9 Revêtements et enduits Résumé : Abstract
Durable ultraviolet (UV)-protective cotton fabric has great application potential in outdoor cotton clothing. In this study, oppositely charged TiO2 nanoparticles were deposited onto cotton fabric through the layer-by-layer self-assembly technique, resulting in multilayer films with UV-protective properties. The mechanism of the technology has been investigated through characterization of the structure and properties using different techniques including FTIR, UV–Vis spectroscopy, and a scanning electron microscope with an energy-dispersive X-ray spectrum. The results showed that TiO2 nanoparticles distributed uniformly on the surface of cotton fibers. The TGA results indicated that the TiO2 nanoparticles deposit on cotton fabrics had little effect on the thermal stability of cotton fabrics. The tensile strength and air permeability of the cotton samples were tested by a universal material testing machine and automatic ventilation instrument. The UV protection property of cotton fabric after assembled multilayer films was measured by an ultraviolet transmittance analyzer, and the laundering experiments were carried out to determine the durability of TiO2 nanoparticles on cotton fabric. The results showed that the UV protection property of cotton fabrics after assembled TiO2 nanoparticles was still maintained at a high level after five launderings.Note de contenu : - EXPERIMENTAL : Materials - Preparation of TiO2 nanoparticle suspension - Pretreatment of cotton fabrics - Multilayer assembly on cotton fabrics - Measurements and characterization
- RESULTS AND DISCUSSION : FTIR analysis - Zeta potential measurement - UV-Vis spectroscopy - Surface morphology - EDX analysis - TG analysis - Mechanical properties - UV-protective propertyDOI : 10.1007/s11998-017-0021-8 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-017-0021-8.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30756
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 15, N° 3 (05/2018) . - p. 603-610[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20024 - Périodique Bibliothèque principale Documentaires Disponible Easy-clean surfaces built to order / Ingmar Bialuch in EUROPEAN COATINGS JOURNAL (ECJ), N° 5/2011 (05/2011)
[article]
Titre : Easy-clean surfaces built to order : Plasma deposition creates a range of very hard hydrophobic coatings Type de document : texte imprimé Auteurs : Ingmar Bialuch, Auteur ; Klaus Bewilogua, Auteur ; Wolfgang Augustin, Auteur ; Stephan Scholl, Auteur Année de publication : 2011 Article en page(s) : p. 24-29 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Hydrophobie
Revêtement carbone diamant
Revêtements multicouches
Surfaces (technologie)
Technique des plasmasIndex. décimale : 667.9 Revêtements et enduits Résumé : Plasma coatings - Diamond like carbon coatings (DLC) can be modified to create very hard coatings with low surface energy or other desired properties. Multilayer coatings combine the properties of different modifications, while structured coatings imitate lotus-leaf properties. Their use to reduce fouling in various applications is examined. Note de contenu : - Diamond-like carbon provides versatile coatings
- How DLC coatings are prepared
- Benefits of multi-layer and structured coatings
- Applications include stamps for tablet production
- Fouling of water heaters can also be reduced
- Two DLC coatings compared for fouling release
- DLC systems have many possibleEn ligne : https://drive.google.com/file/d/1Po1TzaPFJsOutEA4QBnaavCnQxqEP-fu/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11709
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