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Bitumen emulsion - A clean and safer solution for construction world / Anshika Sachan in PAINTINDIA, Vol. LXVII, N° 2 (02/2017)  

[article]  inPAINTINDIA > Vol. LXVII, N° 2 (02/2017) . - p. 53-64 Titre : Bitumen emulsion - A clean and safer solution for construction world Type de document : texte imprimé Auteurs : Anshika Sachan, Auteur Année de publication : 2017 Article en page(s) : p. 53-64 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bitume Construction -- Matériaux Emulsions Formulation (Génie chimique) Index. décimale : 667.9 Revêtements et enduits Résumé : Today mankind has become increasingly dependent on road transport for both commercial and personal use. A major shift from water and rail based transport to roads bas been seen in UK, Europe and other developed nations. From many centuries it has been a trend to construct the road by using bitumen which is a dark or black coloured (solid/semi solid/viscous) material. But the handling of bitumen at ambient temperature is very difficult since it is a highly viscous material. lt can, however be transformed into a workable state by blending with petroleum solvents, leads to the emission of VOC, which is harmful to environment. Bitumen is net cost effective due to the increased sensitivity of the material to temperature and adverse weather condition. The maintenance cost for bitumen construction is also high. So scientists have thought about cost effective and environmentally friendly solution for construction work & bitumen emulsion is one of the outcomes of their innovative thought. This paper will discuss about Bitumen emulsions, its manufacturing techniques and their advantages over asphalt/bitumen in construction/pavementwork. Note de contenu : - INTRODUCTION : Bitumen - Chemical components in bitumen are : Water - kerosene (optional) - Emulsifier - Non-ionic emulsifier - Calcium chloride - Sodium tri polyphosphate - Adhesion promoters - Alsphalt peptizer - MANUFACTURING OF BITUMEN EMULSIONS : Process - Variables affecting emulsion quality - TYPES OF BITUMEN EMULSIONS : Cationic bitumen emulsion - Anionic bitumen emulsions - SETTING/BREAKING OF BITUMEN EMULSION : Slow setting emulsions - APPLICATION OF BITUMEN EMULSIONS : Surface dressing - Tack coats - Fog seal - Prime coat - Slurry seal and micro-surfacing - ADVANTAGES OF BITUMEN EMULSION - HEALTH, SAFETY AND ENVIRONMENTAL ASPECTS En ligne : https://drive.google.com/file/d/1NAwWxySwbMQSbD06lyclqdqaz_OLJveH/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28440 [article]

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Fluid-applied roof coatings : Effectively countering water damage in PAINTINDIA, Vol. LXVII, N° 2 (02/2017)  

[article]  inPAINTINDIA > Vol. LXVII, N° 2 (02/2017) . - p. 66-70 Titre : Fluid-applied roof coatings : Effectively countering water damage Type de document : texte imprimé Année de publication : 2017 Article en page(s) : p. 66-70 Langues : Anglais (eng) Catégories : Asphalte Emulsions Polyurée Polyuréthanes Revêtements protecteurs Toiture -- Revêtements:Toiture -- Peinture Traîtements de surface Index. décimale : 667.9 Revêtements et enduits Résumé : Water is a patent force. Even the tiniest amount can break down the hardest stone when it freezes in a crack. Man-made structures can also be damaged by water penetration. For long-lasting, seamless protection of all types of substrates, many architects and specifiers turn to liquid polyurethane (PU) waterproofing membranes. And with monsoons very strong in many parts of India, it is perhaps the right time ta discuss water-proofing materials. Various waterproofing technologies have been developed to keep water away from penetrating into roofs. One such effective roof coating is fluid-applied coating. The market is abuzz with various types of liquid coating products for roofs in the market. A liquid-applied roofing membrane or coating can itself be the exterior weathering surface, or it may be coated with another UV and weather stable layer. Note de contenu : - Benefits galore - Surface preparation - Making the right selection : Acrylic coatings - Asphalt emulsion - Polyurea snap cure systems - Polyurethane coatings - Factors affecting proper selection - Real life cases : Thailand residential building - Coating system En ligne : https://drive.google.com/file/d/18paRwWyHSljduYpoXFlmkhrZwNF-b8aT/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28441 [article]

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Thermochromic compounds- A review / Ayushi Jaiswal in PAINTINDIA, Vol. LXVII, N° 2 (02/2017)  

[article]  inPAINTINDIA > Vol. LXVII, N° 2 (02/2017) . - p. 78-84 Titre : Thermochromic compounds- A review Type de document : texte imprimé Auteurs : Ayushi Jaiswal, Auteur ; Agarwal Deepanki, Auteur Année de publication : 2017 Article en page(s) : p. 78-84 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Composés inorganiques Composés organiques Encapsulation Matériaux -- Applications industrielles Thermochromie Index. décimale : 667.9 Revêtements et enduits Résumé : Thermochromic compounds are one of the major groups of color-changing compounds. This paper aims at discussing general aspects of thermochromism and the materials used in thermochromic compounds. The mechanism of thermochromism which is responsibie for change in color upon exposure to heat is also discussed. The thermochromism can be seen either in organic or inorganic, which is discussed here. The application of thermochromism in various areas is mentioned. Thermochromic compounds are used to make various paints, inks and are used widely in semiconductors. These are used for protection purposes in roads and in industries. Note de contenu : - THERMOCHROMISM - ORGANIC THERMOCHROMIC SYSTEMS - TYPES OF ORGANIC THERMOCHROMIC COMPOUNDS : Liquid crystals - LEUCODYE THERMOCHROMIC - STEREOISOMERISM - MOLECULAR REARRANGEMENT - INORGANIC THERMOCHROMIC SYSTEMS - THERMOCHROMISM OF TRANSITION METAL COMPOUNDS : Compound analysis - Bis(diethylammonium tetrachlorocuprate (II) - Compound analysis - bis(diethylammonium) tetrachloronickelate (II) - COMPOUNDS ANALYSIS - Ag2Hgl4 and Cu2Hgl4 (M2Hgl4) - MICROENCAPSULATION OF THERMOCHROMIC SYSTEMS - ADVANTAGES OF MICROCAPSULES : Thermochromic paint - Raw materials that can be used USES OF THERMOCHROMIC COMPOUNDS : In thermochromic paints - In thermochromic inks - In food packaging - In semiconductors - Aesthetic appeal - In batteries - In homes - In roads - In equipments - In baby products En ligne : https://drive.google.com/file/d/1v6QCyG1dMXeIFitTULok_lqfjsrVnzky/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28442 [article]

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Zeta potential and thickeners / M. Veeramani in PAINTINDIA, Vol. LXVII, N° 2 (02/2017)  

[article]  inPAINTINDIA > Vol. LXVII, N° 2 (02/2017) . - p. 90-96 Titre : Zeta potential and thickeners Type de document : texte imprimé Auteurs : M. Veeramani, Auteur Année de publication : 2017 Article en page(s) : p. 90-96 Langues : Anglais (eng) Catégories : Bases (chimie) Colloides Dispersions et suspensions Emulsion alcali soluble modifiée de façon hydrophobe Epaississants Polyacryliques Polymères en émulsion Potentiel zeta Rhéologie Index. décimale : 667.9 Revêtements et enduits Résumé : We will now discuss an important property of Emulsion Polymer ; known as Zeta Potential in the context of Emulsion property it is very important. Zeta potential is a scientific term for electro kinetic potential in colloidal dispersions. In the colloidal chemistry literature, it is usually denoted using the Greek letter zeta hence -potential. From a theoretical viewpoint, the zeta potential is the electric potential in the interfacial double layer (DL) at the location of the slipping plane relative to a point in the bulk fluid away from the interface. In other words, zeta potential is the potential difference between the dispersion medium and the stationary layer of fluid attached to the dispersed particle. Note de contenu : - Calculation of zeta potential : Early pioneering work in that direction dates back to overbeek and booth - Acrylic thickeners - The role of rheology modifiers : Two extremes of theological behaviour are : Elastic behaviour - Viscous (or plastic) - Alkali- swellable thickeners (ASE-thickeners) - Liquid dispersion polymers (LDPs) - Hydrophobically modified alkali-swellable emulsions (HASE-thickeners) - Ase quick summary - Hase quick summary - Heur quick summary En ligne : https://drive.google.com/file/d/1EaiXbmXo3iQyIc3AfBqNn_zLLEd26gDr/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28443 [article]

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Composition of common acids / Mukund Hulyalkar in PAINTINDIA, Vol. LXVII, N° 2 (02/2017)  

[article]  inPAINTINDIA > Vol. LXVII, N° 2 (02/2017) . - p. 98 Titre : Composition of common acids Type de document : texte imprimé Auteurs : Mukund Hulyalkar, Auteur Année de publication : 2017 Article en page(s) : p. 98 Langues : Anglais (eng) Catégories : Acides Index. décimale : 546.24 Acides En ligne : https://drive.google.com/file/d/1cfPE36n0S4o6EPplmacznO2PNMcfURDV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28444 [article]

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Stoving enamels - 7 : Stoving over print warnish author's special / Mukund Hulyalkar in PAINTINDIA, Vol. LXVII, N° 2 (02/2017)  

[article]  inPAINTINDIA > Vol. LXVII, N° 2 (02/2017) . - p. 100 Titre : Stoving enamels - 7 : Stoving over print warnish author's special Type de document : texte imprimé Auteurs : Mukund Hulyalkar, Auteur Année de publication : 2017 Article en page(s) : p. 100 Langues : Anglais (eng) Catégories : Can coating Formulation (Génie chimique) Revêtement émail Vernis Index. décimale : 667.9 Revêtements et enduits Résumé : This product comes under Metal Decorating for a Can coating, applied by roller to thin sheets. Many problems were involved in developing this formulation. Popularly known as OP WARNISH, this is used as a top-coat. Usually four colour printing is done on tin sheets and every coat has to pass through oven. Naturally, the gloss of the earlier coats will be diminished, therefore it does a great job in maintaining the glossiness. It also requires Marproof properties, which can be achieved with the use of PA 52, to satisfy finger nail testers. And to make it scratchproof while handling. En ligne : https://drive.google.com/file/d/1NPhQCWQ1_Bz-fwyOFXGAW8KGNmoqiP8f/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28445 [article]

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