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Leveraging the strength of FEVE coatings / Pavan Patil in PAINTINDIA, Vol. LXVIII, N° 1 (01/2018)  

[article]  inPAINTINDIA > Vol. LXVIII, N° 1 (01/2018) Titre : Leveraging the strength of FEVE coatings Type de document : texte imprimé Auteurs : Pavan Patil, Auteur ; Rajesh M. Shah, Auteur Année de publication : 2018 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosifs Anticorrosion Copolymère fluoroéthylène-vinyléther Fluoropolymères Polyfluorure de vinylidène Revêtements protecteurs Index. décimale : 667.9 Revêtements et enduits Résumé : Fluoroethylene vinyl ether, commonly known as FEVE resins; are a class of fluorinated resins that can be formulated into a variety of coating systems where superior long-term durability is required. FEVE resin chemistry resists degradation by UV light providing coatings with unsurpassed exterior weatherability. FEVE resins are unique amongst fluorinated resins as they are supplied in alI the forms viz. solvent, water and powder which are typically utilized in coating industries. This flexibility allows them to be used not only in industrial applications but also in Architectural applications. For industrial applications, the powder and water-based products exhibit high performance without the high VOC's typically found in higher performance coatings. In architectural applications, FEVE based coatings showcase vibrant color palettes without degradation & fading and offer green building solutions including cool roof coatings. Note de contenu : - FLUOROPOLYMER WITH WONDERS OF FLUORINE : Properties of fluorine atom - Classification of fluoropolymers - Structure of FEVE - FUNDAMENTAL CHEMISTRY OF FLUORO-POLYMER : Solvent borne - TYPES OF FEVE COATINGS : Water-borne - APLICATIONS : Fluoropolymer coatings for architectural applications - FEVE coatings as bridge topcoats - On-line coatings - Application in powder coating - FEVE-based anti-graffiti coatings - UPCOMING TRENDS : FEVE high-solids resins as environmentally friendly coatings - LIFE CYCLE COST ADVANTAGES OF FEVE BASED COATINGS - FIGURES : 1. FEVE structure - 2. Polymer structure of FEVE copolymer - 3. Graphical presentation of FEVE polymer against PVDF polymers - 4. Process for preparing FEVE dispersion - 5. Fluoropolymer coatings for architectural applications - 6. FEVE coatings as bridge topcoats - 7. The skydance bridge in Oklahoma city - 8. FEVE powder coatings application on aluminium substrate - 9. Silanol functional FEVE resins - 10. Life cycle cost advantage of FEVE based coating En ligne : https://drive.google.com/file/d/1anJNnKXSOEDaRX-IY2e3daIZhzdU0J2m/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30323 [article]

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Heat reflective coatings / Rakesh Jain in PAINTINDIA, Vol. LXVIII, N° 1 (01/2018)  

[article]  inPAINTINDIA > Vol. LXVIII, N° 1 (01/2018) . - p. 68-84 Titre : Heat reflective coatings Type de document : texte imprimé Auteurs : Rakesh Jain, Auteur ; Vrushali Shinde, Auteur ; Amit Joshi, Auteur ; Chandrashekara R. Haramagatti, Auteur Année de publication : 2018 Article en page(s) : p. 68-84 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Economies d'énergie Pigments inorganiques Rayonnement infrarouge Réflectivité thermique Toiture -- Revêtements:Toiture -- Peinture Index. décimale : 667.9 Revêtements et enduits Résumé : Paints and coatings offer various advantages along with the aesthetic value to the substrates to which it is applied. Binders and pigments majorly contribute to various advantages of the coatings. Particularly, pigments contribution is obviously for color and opacity to the paint. Apart from color and opacity the properties such as particle size, shape, and chemistry determines the performance of the coatings. Pigments with exceptionally high light fastness, heat/IR reflectance properties are essential for exterior coatings. Preferably the roofs which are exposed most to the solar radiation impact on the high heat build-up, and add to the load on cooling. To overcome such issues mixed metal oxide/complex inorganic pigments are generally used in heat/IR reflective coating. These pigments with high total solar reflectance (TSR), results in reflecting the IR radiation and keep the surface or interior cooler. Thus they contribute to energy savings, sustainability, provide long life to coating as well as the buildings. This review article focusses on various aspects of the heat/IR reflective coatings, particularly decorative applications : The types of pigments, processes, mechanisms, advantages, and contribution to the sustainability are highlighted. Note de contenu : - SOLAR SPECTRUM AND HEAT BUILD UP : Total solar reflectance (TSR) - TYPES OF IR REFLECTIVE PIGMENTS : Inorganic pigments - Complex inorganic color pigments (CICPs) - MECHANISM OF COOL EFFECT - APPLICATIONS AND ADVANTAGES : Roof/roof tile - Military - Automotive - FIGURES : 1. Classification of solar passive cooling techniques for roofs - 2. Visual comparison of the cool color and conventional color. Cool colors are based on yellow : yellow 346 (chrome antimony), black : black 28 (copper chromite), brown 1 : brown 157 (zinc iron chromite), brown 2 : brown rosse 208 (iron oxide) - 3. A typical solar spectrum covering UV, visible and IR radiations - 4. Path of light as it penetrates two different coatings, one having pigments with a higher refractive index than the other - 5. Reflectance curves for different types of black, and the red colored curve represents non IR reflective type of black - 6. Correlation between TSR value and surface temperature for black pigments - 7. Reflectance curves for inorganic cobalt blue and organic phtalocyanine (Phtalo) blue - 8. Spectral solar reflectance of TiO2, a green leaf, standard carbon black and a complex inorganic color pigment containing infrared reflective (Fe, Cr)2O3 pigment (Normalized Solar Irradiance Shown for Reference) - 9. Principle of light falling on a surface - 10. Natural sunlight exposure in Florida shows that the CRCMs have improved the fade resistance of the painted PVDF metals - TABLE : Major suppliers, color index number, chemistry of some IR reflective pigments En ligne : https://drive.google.com/file/d/1MnQXxwnefNB6XO_-tVvTYp06z5pMZ9Ri/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30324 [article]

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Inorganic extenders - Part 1 / Ankush Trivedi in PAINTINDIA, Vol. LXVIII, N° 1 (01/2018)  

[article]  inPAINTINDIA > Vol. LXVIII, N° 1 (01/2018) . - p. 85-94 Titre : Inorganic extenders - Part 1 Type de document : texte imprimé Auteurs : Ankush Trivedi, Auteur ; Akanksha Trivedi, Auteur ; P. K. Kamani, Auteur Année de publication : 2018 Article en page(s) : p. 85-94 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Composés inorganiques Extendeurs Index. décimale : 667.9 Revêtements et enduits Résumé : Extenders or fillers, often characterized by low refractive index, economical considerations, fine to coarser texture, low to high specific gravity, high bulking value, different particle shape with a broad range of functional properties. Proper choice of extenders can improve certain properties such as consistency, leveling and settling paints. Certain extender reinforces the structure of the dry coating mechanically, white others increase its resistance to the transmission of moisture. In paints, with high pigment concentration, sufficient hiding may be obtained by replacing some of the opaque Pigment with extender pigment to lower the cost without affecting the, coating 'performance. •Numerous properties of extenders are discussed here along with their suitable end applications. Note de contenu : - INTRODUCTION : Type of extenders - Particle shape - TABLES : Carbonates - Silicas - Sulphates En ligne : https://drive.google.com/file/d/1s_iEnC91BPRAd0vlkukjwee7csxEJJz5/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30325 [article]

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High performance pigments (HPP) / Tipanna Melkeri in PAINTINDIA, Vol. LXVIII, N° 1 (01/2018)

[article]  inPAINTINDIA > Vol. LXVIII, N° 1 (01/2018) . - p. 95-99 Titre : High performance pigments (HPP) Type de document : texte imprimé Auteurs : Tipanna Melkeri, Auteur Année de publication : 2018 Article en page(s) : p. 95-99 Langues : Anglais (eng) Catégories : Matériaux hautes performances Pigments Index. décimale : 667.2 Colorants et pigments Résumé : High performance pigments (HPP) show high colour strength, high insolubility and heat stability, furthermore, they have extremely good light-and weather-fastness properties, solvent and bleeding fastness and low migration. High performance pigments can be organics or inorganic. Organic high performance pigments are based on polycyclic compounds such as phthalocyanine, benzimidazole, isoindolinone, qionophthalone, etc... Pigment blue 15 is phthalocyanine based pigment is available in two main crystal phase alpha and beta having excellent weather resistance, light fastness and high temperature resistance. Pigment blue 60 is based on indanthrone class pigment. Pigment yellow 151, 154 and pigment orange 36 are based on benzimidazolone series. Pigment yellow 138 is quinophthalone based pigment. Pigment red 254 is DPP based series.Pigment red 122 is quinocridone based pigment. Pigment red 149, 178, 179 are based on perylene series. Pigment yellow 139 is based on isoindoolinone based pigment. All these organic pigments are having excellent light fastness, high tiinctorial strength, and thermal stability, bright colour which make suitable for use in automotive coatings, exterior paints and coloring of plastics. Inorganic pigments like bimsuth vanadate, cadmium pigments and pearlescent pigments are having excellent thermal stability, light fastness, weather resistance and bright shades. All these organic and inorganic pigments having exceptional pigment properties are called high performance pigments and find use in performance based applications. The high performance pigments market is posed for steady growth worlwide. Note de contenu : - ORGANIC HIGH PERFORMANCE PIGMENTS : 1. Phthalocyanine pigments - 2. Indanthrone blue (igment blue 60) - 3. Quinacridone pigment (pigment red 122) - 4. Perylene pigments - 5. Diketopyrrolopyrrole (DPP) pigments (pigment red 254) - 6. Benzimidazolone pigments - 7. Quinacridone pigments (pigment yellow 138) - 8. Isoindolinone pigments (pigment yellow 139) - 9. Carbazole violet (pigment violet 23) - INORGANIC HIGH PERFORMANCE PIGMENTS : Bismuth metavanadate - Cadmium pigments - Titanium dioxide coated mica (pearlescent pigment) Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30326 [article]

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Formulating of interior emulsion paints / M. Veeramani in PAINTINDIA, Vol. LXVIII, N° 1 (01/2018)  

[article]  inPAINTINDIA > Vol. LXVIII, N° 1 (01/2018) . - p. 108-110 Titre : Formulating of interior emulsion paints Type de document : texte imprimé Auteurs : M. Veeramani, Auteur Année de publication : 2018 Article en page(s) : p. 108-110 Langues : Anglais (eng) Catégories : Formulation (Génie chimique) Revêtements décoratifs:Peinture décorative Revêtements en phase aqueuse:Peinture en phase aqueuse Revêtements intérieurs:Peinture intérieure Index. décimale : 667.6 Peintures Résumé : In the previous chapter we discussed the formulating principles and analysed the Water-based Primer with typical formulations of exterior & interior primer. Now let us go on to the interior emulsion paint formulation. Applying a coat of paint is an art. Every hue breathes a fresh wave of emotion, bringing your walls to life and filling your home with vibrant energy. These paints have to be of low VOC, anti-bacterial and anti-fungal properties, easy washability, hiding, durability and more. Emulsion or dispersion paints are plastics dispersion paints (usually acrylic paints) in which the organic binder is dispersed in water. These may vary in terms of degree of gloss from mattto semi-glossy. They are applied to the surfaces to be coated by roller or brush, and sometimes by spraying. The paint formulations depend on whether they are intended for interior or external use. An important criterion for the selection of the binders is the minimum film forming temperature (MFT). It indicates the temperature above which, a continuous film is formed. Only incomplete film formation will take place below this limiting temperature. Styrene-acrylic dispersions (e.g. 50% in water) are very often used as binder. These form largely water-resistant films which also have good resistance properties in the un-pigmented form. A short recapitulation of what we discussed earlier on the production process is as follows. En ligne : https://drive.google.com/file/d/1vb0yLdSnWZgXIHSRfFxGTNyi8u_edhcL/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30327 [article]

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Oils and solvents calculations / Mukund Hulyalkar in PAINTINDIA, Vol. LXVIII, N° 1 (01/2018)  

[article]  inPAINTINDIA > Vol. LXVIII, N° 1 (01/2018) . - p. 112 Titre : Oils and solvents calculations Type de document : texte imprimé Auteurs : Mukund Hulyalkar, Auteur Année de publication : 2018 Article en page(s) : p. 112 Langues : Anglais (eng) Catégories : Huiles et graisses Poids et mesures Revêtements (produits chimiques):Peinture (produits chimiques) solvants Index. décimale : 667.9 Revêtements et enduits En ligne : https://drive.google.com/file/d/1SrQ45hur_S7xDzcmJQTh1-5mD9fgcscl/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30328 [article]

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Thermo setting acrylics (TSA) / Mukund Hulyalkar in PAINTINDIA, Vol. LXVIII, N° 1 (01/2018)  

[article]  inPAINTINDIA > Vol. LXVIII, N° 1 (01/2018) . - p. 114 Titre : Thermo setting acrylics (TSA) : Two wheelers & bicycle industries Type de document : texte imprimé Auteurs : Mukund Hulyalkar, Auteur Année de publication : 2018 Article en page(s) : p. 114 Langues : Anglais (eng) Catégories : Formulation (Génie chimique) Polyacryliques Thermodurcissables Index. décimale : 667.9 Revêtements et enduits Résumé : In continuation with last issue we are giving few more formulations for the same. En ligne : https://drive.google.com/file/d/1mrSNX540SPA5Zbop7s87ZO_yobbMJbj4/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30329 [article]

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