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Conductive coatings / Kunal V. Yeole in PAINTINDIA, Vol. LXI, N° 9 (09/2011)
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Titre : Conductive coatings Type de document : texte imprimé Auteurs : Kunal V. Yeole, Auteur ; Shashank T. Mhaske, Auteur Année de publication : 2011 Article en page(s) : p. 58-64 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosion
Conducteurs organiques
Polyacétylène
Polyaniline
Polypyrroles
Revêtement conducteurIndex. décimale : 667.9 Revêtements et enduits Résumé : Conductive coating is a manufacturing process that employs charged particles giving more efficient paint. Paint, in the form of either powdered particles or atomized liquid, is initially projected towards a conductive work piece using normal spraying methods, and is then accelerated toward the work piece by a powerful electrostatic charge. A high voltage electrostatic charge which is applied to both the work piece and the sprayer mechanism results in the final coating. This coating obtained is having functional value and many interesting characteristics resulting in tailor made applications. Note de contenu : - CONDUCTIVE POLYMERS : Synthesis of conductive polymers (chemical method, electrochemical method) - Examples of conductive polymers
- TYPE OF CONDUCTIVE COATINGS / Coatings based on conductive polymers - Coatings based on conductive pigments
- MECHANISM OF CONDUCTIVITY
- APPLICATIONS : Conductive coatings for corrosion - Conductive coatings for plastic - Conductive coatings for electronic media - Conductive for wood - Conductive coatings for ship - Conductive coatings for textile surfacesPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12366
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Code-barres Cote Support Localisation Section Disponibilité 13429 - Périodique Bibliothèque principale Documentaires Disponible Holistic approach towards sustainable raw materials in the paint industry / Kunal V. Yeole in PAINTINDIA, Vol. LXXIII, N° 7 (07/2023)
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Titre : Holistic approach towards sustainable raw materials in the paint industry Type de document : texte imprimé Auteurs : Kunal V. Yeole, Auteur Année de publication : 2023 Article en page(s) : p. 52-62 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Biodégradation
Biomatériaux
Chimie écologique
Coil coatings
Développement durable
Durée de vie (Ingénierie)
HolismeHolisme (du grec ancien hólos signifiant "entier") est un néologisme forgé en 1926 par l'homme d'État sud-africain Jan Christiaan Smuts pour son ouvrage Holism and Evolution. Selon son auteur, le holisme est "la tendance dans la nature à constituer des ensembles qui sont supérieurs à la somme de leurs parties, au travers de l'évolution créatrice1".
Le holisme se définit donc globalement par la pensée qui tend à expliquer un phénomène comme étant un ensemble indivisible, la simple somme de ses parties ne suffisant pas à le définir. De ce fait, la pensée holiste se trouve en opposition avec la pensée réductionniste qui tend à expliquer un phénomène en le divisant en parties. (Wikipedia)
Matières premières
Revêtements (produits chimiques):Peinture (produits chimiques)
Revêtements antisalissures:Peinture antisalissuresIndex. décimale : 667.6 Peintures Résumé : The increasing demand for more sustainable products has been driving research efforts in academia and industry to develop nove) coatings solutions. In recent years, bio-renewable based materials have been increasingly explored as a promising replacement for petroleum-based ones used as building blocks for polymers. This trend is mainly driven by the increasing awareness and directives for the sustainable development of polymeric materials, including coatings. The lower carbon footprint compared to their petroleum counterparts and depleting known resources of petroleum makes bio-renewable materials very important for future development. In the world of coatings, the idea has already made its debut in the form of environment friendly technologies-low or no solvent, high solids, hyperbranched, water borne and UV curable coatings, utilising monomers/polymers derived from renewable resources. However, it is very important to meticulously design polymers based on bio-renewable building blocks by leveraging their unique chemistry and functionality, to meet the demanding requirements of the final products at acceptable costs. This paper aims at exploring opportun ities for developing resins or coatings that incorporate elements of sustainability in their design by utilizing green materials or processes white offering desired performance in a variety of applications. Note de contenu : - FACTORS INFLUENCES THE REDUCTION IN VOCS EMISSIONS : Green chemistry - Resins - Additives - Pigments
- CLEAN PRODUCTION : Change of technology - Life cycle analysis - Process changes - Compliance with standards and/or regulations
- BIODEGRADABLE POLYMERS AS MATRICES ANTIFOULING COATINGS
- BIOBASED POLYMERS IN COIL COATINGS
- MODIFICATION OF BIO-BASED PRECURSORS AS INTERMEDIATES FOR PU COATINGS
- PAINT SUSTAINABILITY
- FUTURE SCOPE AND OUTLOOK
- Fig. 1 : Life cycle of biodegradable polymersEn ligne : https://drive.google.com/file/d/1OZZDeCtASSZLyfGO4u8EOmAE-hiVvZTH/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40050
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Code-barres Cote Support Localisation Section Disponibilité 24178 - Périodique Bibliothèque principale Documentaires Disponible Recent advances in antireflective coatings for solar application / Kunal V. Yeole in PAINTINDIA, Vol. LXXI, N° 4 (04/2021)
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Titre : Recent advances in antireflective coatings for solar application Type de document : texte imprimé Auteurs : Kunal V. Yeole, Auteur Année de publication : 2021 Article en page(s) : p. 62-78 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cellule polymère photovoltaïque
Centrifugation
Conducteurs organiques
Photopiles
Polymères -- Synthèse
Polymères conjugués
Revêtement antireflet
Revêtements organiques
Sol-gel, ProcédéIndex. décimale : 667.9 Revêtements et enduits Résumé : The increase in energy production costs for fossil fuels has led to a search for an economically viable alternative energy source. One alternative energy source of particular interest is solar energy. A promising alternative to inorganic materials is organic semiconductor polymer solar cells due to their advantages of being cheaper, light weight, flexible and made into large areas by roll-to-roll processing. However, the conventional architecture that is typically used for fabricating solar cells requires high vacuum to deposit the top metal electrode which is not suitable for roll-to-rolI processing. Anti-reflective coatings (ARCs) have evolved into highly effective reflectance and glare reducing components for various optical and opto-electrical equipments. Extensive research in optical and biological reflectance min im ization as wel I as the emergence of nanotechnology over the years has contributed to the enhancement of ARCs in a major way. In this review the prime objective is to give a comprehensive idea of the ARCs right from their inception, as they were originally conceptualized by the pioneers and lay down the basic concepts and strategies adopted to minimize reflectance. Antireflective coatings for solar cover glasses and photocatalytic coatings for self-cleaning glasses are two types of nano-functionalized thin films, which are extensively investigated at present. Note de contenu : - INTRODUCTION : Solar cells - Basic principles - Requirements for perfect antireflective coatings - Sol-gel technology - Sol-gel chemistry
- AR COATING BY SOL-GEL PROCESS : Multi-layer AR on glass plate - Inhomogeneous layer on glass - AR on solar cell - Coating on plastic substrate - Synthesis of conjugated polymers - Poly(p-phenylenevinylene) and its derivatives - Cyano-containing poly(p-phenylenevinylene)s - Carbazole-based conjugated polymers - N-type conjugated polymers - Coating and printing techniques - Casting - Spin coating - Doctor blading - Screen printing - Inkjet printing
- APPLICATION : Conclusion and future scopeEn ligne : https://drive.google.com/file/d/1LT_nID-sKwMZkF_YDEp1hrVfkFE5z4Yf/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35955
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Code-barres Cote Support Localisation Section Disponibilité 22766 - Périodique Bibliothèque principale Documentaires Disponible Recent advances in polyurethane dispersion from renewable resources : A review / Kunal V. Yeole in PAINTINDIA, Vol. LXVIII, N° 4 (04/2018)
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Titre : Recent advances in polyurethane dispersion from renewable resources : A review Type de document : texte imprimé Auteurs : Kunal V. Yeole, Auteur Année de publication : 2018 Article en page(s) : p. 53-62 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Dispersions et suspensions
Epoxydation
Huiles et graisses végétales
Polymères -- Synthèse
Polymères en émulsion
Polyuréthanes
Rayonnement ultraviolet
Ressources renouvelables
Réticulation (polymérisation)Index. décimale : 667.9 Revêtements et enduits Résumé : Exploring renewable materials to replace petroleum-based building blocks for advanced coatings has been a major thrust area for researchers for the development of eco-friendly and sustainable products. For the last few decades, there has been significant interest among coating researchers around the world to design water-based polyurethane dispersions (PUDs) that can be cured at ambient conditions. Polyurethanes are the most versatile polymers, exhaustive studies have been reported and more details of all aspects of their properties and uses are given. Vegetable oil-based polyurethanes are used in various fields from coatings to elastomers including smart biomaterials. This paper comprises overview in recent developments on the preparation of biobased polyols from plant oils, covering from the general epoxidation as welI as to high light the properties of polyurethanes obtained from them. Note de contenu : - History and key development of waterborne polyurethane
- Polyurethane dispersions
- Effect of soft segment on PUD
- Effect of hard segment on PUD
- Anionic polyurethane dispersion
- Cationic polyurethane dispersion
- Synthetic process for waterborne polyurethane (WPU) dispersion : Two-component WPU coatings
- The vegetable oil
- Synthesis of vegetable oil-based polyols through reactions involving the ester groups
- Synthesis of vegetable oil-based polyols through reactions involving C-C double bonds
- Synthesis of vegetable oil-based polyols by polymerization of C-C double bonds and subsequent hydrolysis of ester groups
- Synthesis of fatty acid-based polyols
- UV-curable PUD
- Preparation of ultraviolet curable waterborne polyurethane dispersions
- FIGURES : 1. Schematic representation of PUD architecture - 2. Schematic representation of a) cationic and b) anionic PUD in water - 3. Formulas and structures of the most important fatty acids - 4. Functionalization of triglyceride molecules via epoxidation - 5. Schematic representation of triol structure prepared by polycondensation of hydroformylated oleic acid and trimethylolpropane - 6. Examples of renewable raw molecules in photochemistryEn ligne : https://drive.google.com/file/d/15HKyaWKiiY7mWH6BeQqrJIEzCV0GO2Co/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30698
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Code-barres Cote Support Localisation Section Disponibilité 19992 - Périodique Bibliothèque principale Documentaires Disponible The effect of carbon nanotubes loaded with 2-mercaptobenzothiazole in epoxy-based coatings / Kunal V. Yeole in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 13, N° 1 (01/2016)
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Titre : The effect of carbon nanotubes loaded with 2-mercaptobenzothiazole in epoxy-based coatings Type de document : texte imprimé Auteurs : Kunal V. Yeole, Auteur ; L. P. Agarwal, Auteur ; Shashank T. Mhaske, Auteur Année de publication : 2016 Article en page(s) : p. 31-40 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosion
Caractérisation
Couches minces multicouches
Diffractométrie de rayons X
Epoxydes
Essais (technologie)
Essais de brouillard salin
Fourier, Spectroscopie infrarouge à transformée de
Humidité -- Absorption:Eau -- Absorption
Mercaptobenzothiazole
Métaux -- Revêtements protecteurs
Morphologie (matériaux)
Nanotubes
Polarisation (lumière)
Polypyrroles
Potentiel zeta
Revêtements -- Analyse:Peinture -- Analyse
Taille des particules
ThermogravimétrieIndex. décimale : 667.9 Revêtements et enduits Résumé : Currently, anticorrosive coatings find a large number of applications and can be effectively used for corrosion protection of many corrosion-prone metals like aluminum, iron, etc. Nanocontainers have the ability to encapsulate large amounts of guest molecules within their core, and releasing them in a controlled way can aid in providing self-healing abilities to the coating, thus providing active protection. In the present study, a novel approach of synthesis of nanocontainers using carbon nanotubes (CNTs) and corrosion inhibitor 2-mercaptobenzothiazole has been discussed with their applications in corrosion protection of mild steel (MS). It is a three-step procedure involving layer-by-layer deposition of the CNT, inhibitor, and polyelectrolytes, which thus provides enhanced corrosion protection when coated on MS plates. The thickness of the layer, surface charge, and functional groups present on each layer were identified using various analytic techniques such as particle size distribution, zeta potential, and FTIR analysis. X-ray diffractograms analyses of CNT and modified CNT were performed to evaluate their crystallographic properties. The morphological and particle size clearly indicate the development of a nanocontainer. The corrosion rate analysis of nanocontainer-epoxy coatings on MS panel has been performed by means of salt spray and DC polarization measurements. The corrosion resistance was measured after the immersion of the coated samples in alkali solution. Note de contenu : - EXPERIMENTAL : Materials and reagent - Coating of polypyrrole layer on CNT - Loading of 2-mercaptobenzothiazole (MBT) - Coating of polyacrylic acid layer - Application in epoxy-based coatings
- CHARACTERIZATION
- RESULTS AND DISCUSSION : FTIR - XRD analysis - Morphological study - Thermogravimetric analysis - Particle size and zeta potential analysis - Release study of corrosion inhibitor at different pH values - Water absorption test - Salt spray test - DC polarization measurementDOI : 10.1007/s11998-015-9730-z En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9730-z.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25369
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