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An evaluation of Indian Paints by its specification / K. K. Sengupta in PAINTINDIA, Vol. LXII, N° 12 (12/2012)

[article]  inPAINTINDIA > Vol. LXII, N° 12 (12/2012) . - p. 53-54 Titre : An evaluation of Indian Paints by its specification Type de document : texte imprimé Auteurs : K. K. Sengupta, Auteur Année de publication : 2012 Article en page(s) : p. 53-54 Langues : Anglais (eng) Catégories : Revêtements:Peinture Spécifications Index. décimale : 667.9 Revêtements et enduits Résumé : The annual loss of iron and steel from corrosion is a common feature globally. India is no exception. Our knowledge on this aspect is always updated by various meetings and seminars throughout the year. We know very well about the consequence of applying paint not suitable for the purpose i. e. corrosion control. The biggest consumer of high quality, high performance paint in India is Indian Railways, who have now started using stainless steel for fabricating coaches. Let us hope that this not an initiative to curb paint requirement, an eventuality that may not augur well for the India Paint Industry. The question that raises its ugly head is why in spite of good standard paint specification, the ultimate product, in most cases, fail to live up to what the paint claims to perform. After a very careful analysis of the subject, the results point to the areas as under : the problem is two fold. 1. The fixation of purchase price - 2. Improper interpretation of specifications. Note de contenu : - Fixation of purchase price - Interpretation of specification Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17164 [article]

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Toughening of cardanol based epoxidized novolac resin with acrylonitrile butadiene liquid ruber / Ranjana Yadav in PAINTINDIA, Vol. LXII, N° 12 (12/2012)

[article]  inPAINTINDIA > Vol. LXII, N° 12 (12/2012) . - p. 55-59 Titre : Toughening of cardanol based epoxidized novolac resin with acrylonitrile butadiene liquid ruber Type de document : texte imprimé Auteurs : Ranjana Yadav, Auteur Année de publication : 2012 Article en page(s) : p. 55-59 Note générale : Bibliogr Langues : Anglais (eng) Catégories : Caoutchouc Cardanol Copolymère carboxyle terminé de Butadiène-acrylonitrile Epoxydes Morphologie (matériaux) Réticulation (polymérisation) Index. décimale : 667.9 Revêtements et enduits Résumé : Epoxy resins are considered as one of the most important classes of thermosetting polymers for many industrial applications, but unfortunately they are characterized by a relatively low toughness. An epoxy resin based on cardanol and varying content of carboxyl-terminated (poly)butadiene acrylonitrile copolymer was cured using polyamine as a hardener. The ultimate aim of the study was to modify the brittle epoxy matrix by the liquid rubber to improve toughness characteristics. In this respect, many efforts have been made to improve the toughness of cured epoxy resins by the introduction of rigid particles, reactive rubbers, interpenetrating polymer networks and thermoplastics within the matrix. Toughening of blend of cardanol based epoxidized novolac resin withvarying weight ration (0-25 wt%) of carboxyl terminated butadiene acrylonitrile (CTBN) copolymer have been investigated. Fourier transform infrared (FTIR) spectroscopic analysis established that the interaction between oxirane groups of epoxy and CTBN were responsible for characteristic peak shifts in the blends compared to their counterparts. Scanning electron microscopy of fracture surfaces indicates cavitation of the rubber particles to be a major deformation mechanism. Particle-particle interaction is also found. Note de contenu : -MATERIALS : Preparation of blend samples of cardanol-based epoxidized novolac resins and carboxyl-terminated butadiene acrylonitrile copolymer (CTBN) - CHARACTERIZATION OF BLEND SAMPLES : Fourier transforms infrared spectroscopic analysis - Morphology - RESULTS AND DISCUSSION : Studies on the FTIR spectroscopic analysis - Toughening of epoxy resin by liquid rubber - Chemistry - Morphology and fracturography Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17165 [article]

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Micro and macro analysis of high build solventless organic coating (accelerated) after cathodic disbondment / Buddhadeb Duari in PAINTINDIA, Vol. LXII, N° 12 (12/2012)

[article]  inPAINTINDIA > Vol. LXII, N° 12 (12/2012) . - p. 62-64 Titre : Micro and macro analysis of high build solventless organic coating (accelerated) after cathodic disbondment Type de document : texte imprimé Auteurs : Buddhadeb Duari, Auteur ; Rajib Dey, Auteur ; Bimal Chaudhuri, Auteur ; Amitava Pal, Auteur Année de publication : 2012 Article en page(s) : p. 62-64 Langues : Anglais (eng) Catégories : Anticorrosion Décollement cathodique (revêtement) Essais (technologie) Essais accélérés (technologie) Essais de brouillard salin Revêtements -- Détérioration Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : Different organic coating material vis high build epoxy, coal tar epoxy, polyurethane, glass flake epoxy, concrete coating, cold dip galvanizing applied on steel plate are subjected to salt spray test as per ASTO B117 for 2000 hrs and then cathodic disbondment test as per ASTM G8. Further metal beneath cathodic disbondment (caused due to blistering) are under microscope to find out type of corrosion and list them from minimum to worst. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17171 [article]

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Point-of-sale tinting : acheiving cost-effective color variety / Peter Baggen in PAINTINDIA, Vol. LXII, N° 12 (12/2012)

[article]  inPAINTINDIA > Vol. LXII, N° 12 (12/2012) . - p. 66-69 Titre : Point-of-sale tinting : acheiving cost-effective color variety Type de document : texte imprimé Auteurs : Peter Baggen, Auteur Année de publication : 2012 Article en page(s) : p. 66-69 Langues : Anglais (eng) Catégories : Consommateurs -- Préférences Revêtements -- Coloration:Peinture -- Coloration Revêtements -- Industrie et commerce Teinture -- Appareils et matériels Index. décimale : 667.6 Peintures Résumé : Globally, paint markets differ greatly in the way they create color. While North America, Scandinavia and Australia concentrate on in-can, point-of-sale (POS) tinting, emerging markets, such as Asia and Africa are dominated by direct milling, paint-in-paint mixing and in-batch tinting. In South America, Europe and the Middle-East-, the whole range of color mixing possibilities can be found depending on the region. Making the move from readymixed paints to pint-of-sale tinting offers many benefits to manufacturers and retailers ; including financial. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17172 [article]

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Tailor-made deaerators for emission-free floor coatings / Jürgen Kirchner in PAINTINDIA, Vol. LXII, N° 12 (12/2012)

[article]  inPAINTINDIA > Vol. LXII, N° 12 (12/2012) . - p. 67-69 Titre : Tailor-made deaerators for emission-free floor coatings Type de document : texte imprimé Auteurs : Jürgen Kirchner, Auteur ; Markus Vogel, Auteur ; Patrick Gloeckner, Auteur Année de publication : 2012 Article en page(s) : p. 67-69 Langues : Anglais (eng) Catégories : Atmosphère -- Pollution -- Lutte contre Débullants Réduction des composés organiques volatils Revêtements de sols Index. décimale : 667.9 Revêtements et enduits Résumé : Inside a building volatile substances emitted to the air from coatings have become a concern because their accumulation might affect human's health. Identification and risk assessment of volatile air pollutants from coatings are addressed in the German AgBB scheme for indoor applications. To meet modern regulations new emission free floor coat formulations have to be developed. this requires new emission free deaerators. Evonik has developed 100% active but liquid tailor-maid deaerators to meet today's and tomorrow's requirements. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17173 [article]

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