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Unfolding new gateways for surface coatings development using nanotechnology / B. P. Mallik in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 89-102 Titre : Unfolding new gateways for surface coatings development using nanotechnology Type de document : texte imprimé Auteurs : B. P. Mallik, Auteur Année de publication : 2005 Article en page(s) : p. 89-102 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Ever since the first article on molecular nanotechnology, that K. Eric Drexler published in the Proceedings of the National Academy of Sciences USA in 1981, nanotechnology has received wide attention among the scientific fraternity due to its immense potential in altering material properties and creating unique materials by inducing smart functionalities. This youngest discipline of science has become the hottest field of research during the last decade and succeeded in proliferating its wings in all major industries for numerous exciting commercial applications. The recent advancement of Nanotechnology that design materials from the bottom up, has unleashed fascinating possibilities not only in the high end applicatio areas such as mimic of protein, drug delivery, quantum dots, fuel cells etc but also in the fields of coatings, polymer composites, adhesive, textiles, cosmetics, electronics etc. The possibilities are so wide that one simply needs to identify where to fit it and how to master the art of incorporating these particles for deriving technological benefits. In the context of coatings nanotechnology has opened up a novel gateway in front of coatings researchers with immense possibilities for new generation coatings developments which are claimed to have exhibited spectacular improvement in property enhancement by several orders of magnitude even in thinner layer. This article will briefly discuss the limitations of existing approach in providing solutions to commonly encountered coating problems experienced in the coating industry and at the same time how nanotechnology or the materials prepared via this converging route of technology (nanomaterials) could potentially be introduced to address these key problems successfully. The possible opportunities with specific examples and potential areas of application have been reviewed. Also the challenges and hurdles involved in adapting this technology and its future outlook have been discussed. Note de contenu : - NANOTECHNOLOGY - AN ANSWER ? - APPLICATIONS IN COATING INDUSTRY - Examples of nanomaterials and emerging applications - (a) Nanosilica - Synthesis of Nanosilica by Sol-Gel Process - Stage 1 Hydrolysis - Stage 2 Polycondensation - HYBRID POLYMERS - Abrasion resistant coatings - High durable exterior coatings - Scratch resistant paints - Ultrascratch clear for automobiles - Nano clays - Nanorutiles Abrasion resistant coatings - Anti-polution paint - Self cleaning paint - CARBON NANOTUBES IN COMPOSITE/ESD COATING - OTHER APPLICATIONS OF NANOCOMPOSITES - Anti-skid coatings - Non-chromate corrosion inhibitor - Biocidal coatings - Superhydrophobic coatings - MANUFACTURE OF NANOPARTICLES - LIMITATIONS OF NANOTECHNOLOGY Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11970 [article]

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Issues, challenges and trends to meet customers needs - from TiO2 manufacturer's viewpoint / Mary E. Koban in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 113-118 Titre : Issues, challenges and trends to meet customers needs - from TiO2 manufacturer's viewpoint Type de document : texte imprimé Auteurs : Mary E. Koban, Auteur Année de publication : 2005 Article en page(s) : p. 113-118 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Note de contenu : - ISSUES FACING TIO2 INDUSTRY : Product understanding - Product comparison - TIOS PRODUCT EVALUATION PARADIGM : Advantages - Disadvantages - EXAMPLE OF SCREENING : Optimum product evaluation ( Current coating formulation-product replacement - New coating formulation-new products and formula ) - Challenges - Future trends Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11975 [article]

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Novel pathways for tailor-made functional coatings / Oswald Prucker in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 119-131 Titre : Novel pathways for tailor-made functional coatings Type de document : texte imprimé Auteurs : Oswald Prucker, Auteur ; Torsten Stöhr, Auteur ; Hironobu Murata, Auteur ; Ryan Toomey, Auteur ; Menno T. van Os, Auteur ; Renate Förch, Auteur ; Wolfgang Knoll, Auteur ; Jürgen Rühe, Auteur Année de publication : 2005 Article en page(s) : p. 119-131 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : The predominant functions of coatings in most practical applications are that they act as barriers to protect a material against mechanical or corrosive damage or to improve its outer appearance. However, recently there are also applications emerging, in which coatings not only act as a barrier against a hostile environment, but also play a more active role in controlling the interaction of a material with its surrounding. Examples are bioresponsive/biocompatible coatings, coatings for specific optical and medical applications, coatings which control the adhesion of biological cells or act as lubricants, and smart coatings, which can adapt to their environment. Such high-tech applications, however, are more demanding and require the deposition of coatings with strong adhesion to the substrate, well-defined chemical architectures and tailor-made properties. Note de contenu : - FUNCTIONAL SURFACES AND COATINGS - TAILORED SURFACE FUNCTIONALITIES THROUGH WELL-DEFINED SURFACE CHEMISTRY : General considerations - Functionalization via plasma polymerization followed by surface-initiated polymerization - Surface attached polymer netwoks as carrier for surface functionalities Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11976 [article]

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UV coating technology ideal for plastics / Elisabeth Muzeau in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 133-139 Titre : UV coating technology ideal for plastics Type de document : texte imprimé Auteurs : Elisabeth Muzeau, Auteur ; Stefan Smeets, Auteur ; James Wu, Auteur Année de publication : 2005 Article en page(s) : p. 133-139 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Unprecedented growth rates in the global telecommunications, electronic and automotive industries have spurred the demand for a wide range of plastic substrates which re used intensively within these industries. With the increased demands on its usage and performance, there is also a greater need for high performance, highe efficiency and value-added coatings on these various plastic substrates. Note de contenu : - ACHIEVING SUPERIOR UV COATINGS - COMPONENTS OF A UV FORMULATION - HOW DILUTING ACRYLATES AFFECT ADHESION ON PLASTICS - HOW OLIGOMERS AND ADDITIVES AFFECT ADHESION ON PLASTICS - WATERBORNE SOLUTIONS FOR ADHESION ON PLASTICS Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11977 [article]

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Water-based clear wood coatings / Rajesh U. Kubal in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 141-156 Titre : Water-based clear wood coatings Type de document : texte imprimé Auteurs : Rajesh U. Kubal, Auteur ; Rahul R. Hegishte, Auteur ; Ulhas S. Bhabal, Auteur Année de publication : 2005 Article en page(s) : p. 141-156 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Due to increasing stringency in environmental regulations, there is lot of pressure on coating manufacturers to reduce VOC's of coatings. Waterbased coating technology is regarded as the technology to fulfill this requirement. However the inferior performance of conventional waterbased technologies has been a major roadblock in the acceptance of these products in the furniture and industrial wood coating segment. The recent advances made in waterbased coating technology has resulted in the extensive development of coatings based on polyurethane dispersions, alkyd emulsions, 2 pack polyurethane dispersions and UV curable dispersions, which are reducing the gap between performance of water based and solvent based coatings. These coatings have opened up new avenues for their usage in the wood coating segment. Note de contenu : - WATERBASED POLYURETHANE DISPERSIONS : Types of aqueous polyurethane dispersions - Advantages of polyurethane dispersions over other conventional waterbased coatings - Applications of polyurethane dispersions in furniture coatings - ALKYD EMULSIONS FOR WOOD COATINGS - ALKYD-EMULSION TECHNOLOGY : Internally emulsified alkyd emulsions - Externally emulsified alkyd emulsions - Drier system for alkyd emulsions - Penetration of alkyd emulsion compared withe solvent based alkyd and acrylic dispersions - Comparison of properties of alkyd emulsion with acrylic dispersion on wooden surface - Latest developments in alkyd emulsion technology - TWO-COMPONENT WATERBORNE POLYURETHANE - TWO-COMPONENT WATERBORNE POLYURETHANE TECHNOLOGY - FACTORS INFLUENCING THE TECHNOLOGY : NCO : OH ratio - Polyisocyanates - Catalyst - Film formation - Application techniques - Advantages of two-component waterborne polyurethane - UV CURING AQUEOUS DISPERSIONS FOR WOOD COATINGS - FACTORS AFFECTING THE QUALITY OF THE FINISH : Molecular weignt - Photoinitiator - Temperature of irradiation - COMPARISON OF PROPERTIES OF UV CURABLE DISPERSIONS WITH SOLVENT BORNE AND 100% UV CURABLE RESINS - ADVANTAGES OF UV CURING AQUEOUS DISPERSIONS FOR WOOD COATINGS Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11978 [article]

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Polysiloxane coatings - a review / James I. Dantis in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 157-174 Titre : Polysiloxane coatings - a review Type de document : texte imprimé Auteurs : James I. Dantis, Auteur ; Dinesh G. Kothari, Auteur Année de publication : 2005 Article en page(s) : p. 157-174 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Revêtements Silicones Les 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 : One of the more intriguing developments in protective coatings technology during the 1990s, has been the creation of a new generic class of high performance resins based on siloxane chemistry. Organic coatings degrade as a result of thermal oxidation, photo-initiated oxiation or by chemical attack. Polysiloxane network composition provides significantly enhance thermal and chemical resistance properties as well as offering extended weatherability and appearance retention. Recent advances in siloxane chemistry and formulation technology have led to the development of ambient temperature curable polyxiloxane coating systems with significant advantages compared to traditional inorganic and organic coatings. This paper discusses the various polysiloxane topcoats as well as "hybrid systems in which properties of a traditional organic resin have been selectively and significantly upgraded. Note de contenu : - COMPARATIVE PROPERTIES OF SILICONE AND ORGANIC COATINGS : Terminology - POLYSILOXANE CHEMISTRY - HISTORY OF SILICONE COATINGS - DIFFERENT TYPES OF POLYSILOXANE COATINGS : Flexible siloxane hybrid coatings - Acrylic siloxane coatings - Fluorinated epoxy siloxane hybrid coating - Elastomeric epoxy siloxane hybrids - Moisture-cured polysiloxane polyurethane coatings - Polysiloxane coatings for high temperature applications - Epoxy-modified siloxane anti-graffiti system - Organotin polysiloxane and acrylic antifouling coating - Siliconized intercross-linked network (ICN) of polyurethane-epoxy / unsaturated polyester coatings - FORMATION OF SILICONE MODIFIED PU-EPOXY ICN's - FORMATION OF SILICONE MODIFIED PU-UP ICN's - Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11979 [article]

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Coatings on aluminum / A. S. Khanna in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 177-180 Titre : Coatings on aluminum Type de document : texte imprimé Auteurs : A. S. Khanna, Auteur Année de publication : 2005 Article en page(s) : p. 177-180 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Note de contenu : - HOW TO PROTECT ALUMINUM - ANODIZING - ADVANTAGES OF ANDIZING - ORGANIC COATINGS PAINTS AND POWDER COATINGS - THE PAINT PROCESS - POWDER COATINGS Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11981 [article]

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Controlled polymer pigment dispersants / Clemens Auschra in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 181-190 Titre : Controlled polymer pigment dispersants Type de document : texte imprimé Auteurs : Clemens Auschra, Auteur ; Ernst Eckstein, Auteur ; Ralf Knischka, Auteur ; Frank Pirrung, Auteur ; Peter Harbers, Auteur Année de publication : 2005 Article en page(s) : p. 181-190 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Note de contenu : - NOVEL POLYMERIZATION REGULATORS FOR CFRP - SYNTHESIS OF CONTROLLED BLOCK COPOLYMER DISPERSANTS - APPLICATION TESTING OF CONTROLLED DISPERSANTS : Carbon black pigments - Performance of controlled dispersants in RMPC - Controlled dispersants for specific organic pigments Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11982 [article]

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Photoconductive polymers / Shilpi Sanghi in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 191-199 Titre : Photoconductive polymers Type de document : texte imprimé Auteurs : Shilpi Sanghi, Auteur ; Atri Rungta, Auteur ; V. C. Malshe, Auteur Année de publication : 2005 Article en page(s) : p. 191-199 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Note de contenu : - SYNTHESIS OF NVK - POLYMERIZATION OF NVK : Charge transfer complexes - Inorganic photo conducting polymers - APPLICATIONS - LIGHT EMITTING DIODES Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11983 [article]

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Basic testing methods for evaluation and quality assurance of pigments / M. M. Gondkar in PAINTINDIA, N° annuel 2005 (2005)

[article]  inPAINTINDIA > N° annuel 2005 (2005) . - p. 201-203 Titre : Basic testing methods for evaluation and quality assurance of pigments Type de document : texte imprimé Auteurs : M. M. Gondkar, Auteur Année de publication : 2005 Article en page(s) : p. 201-203 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Note de contenu : - PHYSICAL PROPERTIES TESTING - TESTS FOR DETERMINATION OF COLORISTIC PROPERTIES - AUTOMATIC MULLER METHOD Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11984 [article]

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