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Polyurethane coatings - An overview / Indrajit Banerjee in PAINTINDIA, Vol. LVI, N° 6 (06/2006)

[article]  inPAINTINDIA > Vol. LVI, N° 6 (06/2006) . - p. 69-80 Titre : Polyurethane coatings - An overview Type de document : texte imprimé Auteurs : Indrajit Banerjee, Auteur Année de publication : 2006 Article en page(s) : p. 69-80 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Polyurethane as a coating medium was introduced in 1950s and has since then gained ground in terms of application. This is because of the high performance one gets from such coatings such as improved chemical and solvent resistance, mar resistance, weather resistance etc. The paper deals with the fundamentals of polyurethane -- its starting raw materials, the polyurethane reaction including kinetics of reaction and the different types of polyurethane coatings commonly used. A small section has also been dedicated to the water borne two pack polyurethane. Note de contenu : Introduction Properties of polyurethane coatingsKinetics of Urethane Reaction - Rate of Reaction Non-Catalysed Reaction Types of polyurethane coatings - Blocked Isocyanates - Characteristics - Latest development - Moisture cured systems - Characteristics - Advantages - Disadvantages - Application Air drying system : Uralkyds Two component (2K) polyurethane - polyol coatings - Advantages Water borne polyurethanes - Water borne polyurethane dispersions - Preparation of hydrophilic polyisocyanate - Properties - Advantages of Water Borne 2K Over Solvent Borne - Short-coming Conclusion Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11563 [article]

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Cement paint based on Fly ash / L. T. Gangotri in PAINTINDIA, Vol. LVI, N° 6 (06/2006)

[article]  inPAINTINDIA > Vol. LVI, N° 6 (06/2006) . - p. 81-88 Titre : Cement paint based on Fly ash Type de document : texte imprimé Auteurs : L. T. Gangotri, Auteur ; S. S. Deshpande, Auteur Année de publication : 2006 Article en page(s) : p. 81-88 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Cement paints based on white cement, fly ash and whiting were prepared and evaluated. The study showed that 20 to 80% fly ash can be utilized in the preparation of cement paint. The paint containing only 20% white cement and 60% fly ash was found to give excellent film properties. Note de contenu : Introduction Experimental A) Composition of cement paint based on fly ash only B) Composition of cement paint based on fly ash, withing and red oxide C) Cement paint based on fly ash, withing and TiO2 Preparation and evaluation of cement paint Results and discussion Conclusion Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11564 [article]

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Nanotechnology : Emerging trends / Pramod Raman Natuvetty in PAINTINDIA, Vol. LVI, N° 6 (06/2006)

[article]  inPAINTINDIA > Vol. LVI, N° 6 (06/2006) . - p. 89-98 Titre : Nanotechnology : Emerging trends Type de document : texte imprimé Auteurs : Pramod Raman Natuvetty, Auteur Année de publication : 2006 Article en page(s) : p. 89-98 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Nanotechnology is being heralded as the fastest developing technology that will redesign the future of several technologies, products and markets. Nanotechnology has become one of the important sectors, which is drawing immense interest, and it will replace most of the existing technology in use today. It is widely publicised to be an important technology that is going to change every aspect of our lives and lead to generation of new capabilities, new products and new markets. Because of its potential to change fundamentally whole fields of technology, it will not only influence technological development in the near future, but will also have decisive economic, ecological and social implications. Nations are focusing on this emerging technology in particular and serious research as well as industry efforts are being made. Terminology, segments, potential application & risk to the environment is discussed here. Note de contenu : Introduction Terminology and fundamentals Different approaches in nanotechnology - The top-down approach - The bottom-up approach - Segmentation of nanotechnology - Nano-materials - Why are nanoparticles important? - Coatings within coatings Major application The future of nanocoatings Risk of nanotechnology-negative consequences for health and the environment Conclusion Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11565 [article]

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