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A Journey Through Nanotechnology / Nilesh Desai in PAINTINDIA, Vol. LVII, N° 3 (03/2007)

[article]  inPAINTINDIA > Vol. LVII, N° 3 (03/2007) . - p. 83-104 Titre : A Journey Through Nanotechnology : Coating Industry Perspective Type de document : texte imprimé Auteurs : Nilesh Desai, Auteur ; Avinash Sardesai, Auteur Année de publication : 2007 Article en page(s) : p. 83-104 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Nanotechnologie Revêtements -- Industrie et commerce Index. décimale : 667.9 Revêtements et enduits Résumé : Nanotechnology is considered to be one of the most important future technologies that will redesign the future of several technologies, products and markets. The availability of varieties of nanomaterials, various methods of assembly, application of nanomaterials, tailorability of material to suit for specific purpose and quantum effect of nanoparticles have been key for success. Because of its potential to change fundamentally whole field of nanotechnology, it will not only influence the technological development in near future but will also have decisive economic, ecological and social implications. The scientists are exploring the potential use of this technology in research with the ultimate objective of creating superior nano based coatings. This overview is meant for understanding the importance and implication of nanotechnology for the coating industry. Results indicate that the combined analysis of the hard segment cohesion helps in correlating the structure to property relationship. Note de contenu : - Introduction to Nanotechnology - Historical chain and pioneers in nanotechnology front - Progress in brief - "Smaller is bigger" - The mystery behind Nanotechnology - The omnipresence of Nanotechnology - Classification of nano materials : - Nanocrystalline material - Quantum dots - Fullerenes - Carbon nanotubes - Dendrimers(Organic nanoparticles) - Nanocomposites - Methods for making nanosized particles - Sol-gel process - Chemical Vapour Deposition (CVD) - Atomic or molecular condensation - Using Gas-phase condensation to produce metal nanopowders - Characterization of nanomaterials - Significance of nanoparticles in coatings - Nanomaterials as additive in coating industry : Nanoalumina - Nano TiO2 - Nanoparticles of Cerium oxide - Nanosilica - Nano Zinc oxide - Nanocomposites in surface coatings: Incorporation of inorganic particles and clusters for hybrids - Intercalation - Nanostructure coreshell Polyurethane dispersions (PUD) - Major application areas : Wood coatings - Biocidal coatings - Self cleaning paint layer - Abrasion resistance coating - Non-chromate corrosion inhibitor - The future of nano coatings Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11468 [article]

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The application of the microwave irradiation to the synthesis of azo pigments / Krzysztof Wojciechowski in PAINTINDIA, Vol. LVII, N° 3 (03/2007)

[article]  inPAINTINDIA > Vol. LVII, N° 3 (03/2007) . - p. 105-115 Titre : The application of the microwave irradiation to the synthesis of azo pigments Type de document : texte imprimé Auteurs : Krzysztof Wojciechowski, Auteur ; Zbigniew Niewiadomski, Auteur ; Agnieszka Szymczak, Auteur Année de publication : 2007 Article en page(s) : p. 105-115 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorants azoïques Micro-ondes Traitement par irradiation Index. décimale : 667.9 Revêtements et enduits Résumé : Synthesis of monoazo and disazo pigments by means of microwave (mv) irradiation has been investigated. As a medium able to cause the conversion of irradiation water was used. The results of pigments synthesis with the use ofmv energy were compared with the results of synthesis of analogical dyes obtained by means of the "classic" method. The carried out examinations showed that on the yield of the reaction with the use ofmv irradiation have an influence: the kind of diazo and coupling component, the microwave power and time of irradiation. In some cases the "microwave" method appeared to be the more efficient one as the "classic" method. Note de contenu : - Experimental : Synthesis of monoazo pigments - Synthesis of disazo pigments - Spectrophotometric analysis - Discussion of results : The results of synthesis of monoazo pigments - The results of synthesis of disazo pigments - Spectrophotometric analysis Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11469 [article]

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Boltorn W3000 / Göran Ziegler in PAINTINDIA, Vol. LVII, N° 3 (03/2007)

[article]  inPAINTINDIA > Vol. LVII, N° 3 (03/2007) . - p. 117-124 Titre : Boltorn W3000 : An amphiphilic dendritic polymer for alkyd emulsions Type de document : texte imprimé Auteurs : Göran Ziegler, Auteur ; Bo Häggman, Auteur Année de publication : 2007 Article en page(s) : p. 117-124 Langues : Anglais (eng) Catégories : Polyalkydes Polymères amphiphiles Polymères dendritiques Polymères en émulsion Revêtements en phase aqueuse:Peinture en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : In this paper, we present a non-ionic, self-emulsifying cross linkable dendritic polymer used to disperse conventional alkyd resins (originally prepared to be solvent-borne) in water. The emulsions are obtained through the EIP (emulsion inversion point) method. The emulsions are typically characterized by good shelf life stability and have been made at solids content of about 50% with a viscosity of 50-150 mPa*s. Examples of paint formulations are given. Effects of using Boltorn W3000 • Boltorn W3000 blends well with conventional alkyds and allows the making of alkyd emulsions with low amounts of external surfactant. • Paint made on emulsions made with Boltorn W3000 has fast drying • Paint made on emulsions made with Boltorn W3000 has good chemical resistance. Note de contenu : - Boltorn W3000 - Alkyd resin - The waterborne alkyds systems - Emulsification procedure - Optimising conditions - Amount of Boltorn W3000 - Co-solvent content - Resin temperature - Emulsification results - Atomic force microscopy Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11470 [article]

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Emulsifying agents / Gururaj Moharir in PAINTINDIA, Vol. LVII, N° 3 (03/2007)

[article]  inPAINTINDIA > Vol. LVII, N° 3 (03/2007) . - p. 127 Titre : Emulsifying agents Type de document : texte imprimé Auteurs : Gururaj Moharir, Auteur Année de publication : 2007 Article en page(s) : p. 127 Langues : Anglais (eng) Catégories : Emulsifiants Surfactants Index. décimale : 667.9 Revêtements et enduits Note de contenu : - Major Types of Surfactants - Hydrophilic-Lipophilic Balance (HLB) System Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11471 [article]

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