High performance alkyd paints based on platy kaolin for corrosion protection of steel / Hassan Salah Aly Emira in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 10, N° 2 (03/2013)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 10, N° 2 (03/2013) . - p. 199-208 Titre : High performance alkyd paints based on platy kaolin for corrosion protection of steel Type de document : texte imprimé Auteurs : Hassan Salah Aly Emira, Auteur Année de publication : 2013 Article en page(s) : p. 199-208 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosion Carbone Charges (matériaux) Kaolin Métaux -- Revêtements protecteurs Pigments Polyalkydes Revêtements Traitement thermique Index. décimale : 667.9 Revêtements et enduits Résumé : Calcination of kaolin presents an easy route to obtain high performance and eco-friendly anticorrosive filler. The objective of the present work was to prepare a new ecologically friendly inorganic filler, based on thermal treatment of kaolin to be used as an anticorrosive. This work studied the corrosion protection of medium oil-modified alkyd paints based on thermally treated kaolin at different temperatures. Paints were formulated with different pigment volume concentrations (PVCs) and critical pigment volume concentrations (CPVCs). The prepared paints were formulated with increasing content of kaolin, with PVC ranging from 10 to 30%. The physical and chemical properties of kaolin were evaluated at different temperatures. Particle shapes of thermally treated kaolin were characterized using scanning electron microscopy. The physico-mechanical properties of dry films, water vapor transmission and their corrosion properties using accelerated laboratory corrosion test were tested. The thermal treatment of kaolin enhanced both the oil absorption and the alkalinity. This led to alkyd results in saponification and consequently passivation of the substrate. Good wetting with alkyd resin gave homogeneous films without defects which resisted water and oxygen permeation and protected steel against corrosion. The results revealed that thermally treated kaolin at 400°C was the best at protecting steel substrates for all PVCs. Note de contenu : - EXPERIMENTAL : Materials - Thermally treated kaolin preparation - Characterization - Paint preparation and application - Physical and mechanical tests - Corrosion accelerated test - RESULTS AND DISCUSSION : Pigment evaluation - Scanning electron microscope (SEM) analysis - Water vapor transmission (WVT) - Corrosion test results of paint films after immersion in 3.5% salt solution DOI : 10.1007/s11998-012-9434-6 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-012-9434-6.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18238 [article]

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Protective byproducts / Hassan Salah Aly Emira in EUROPEAN COATINGS JOURNAL (ECJ), N° 10/2007 (10/2007)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 10/2007 (10/2007) . - p. 40-46 Titre : Protective byproducts : Steelmaking waste can be converted to anticorrosive pigments Type de document : texte imprimé Auteurs : Hassan Salah Aly Emira, Auteur ; F. F. Abdel-Mohsen, Auteur ; Nagui A. Abdel-Khalek, Auteur Année de publication : 2007 Article en page(s) : p. 40-46 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Corrosion protection - Iron wastes generated by a plant in egypt were washed and purified, then finely ground and tested as anticorrosive pigments in paints based on chlorinated rubber. Tests on the pigments and the paints show that these treated waste materials can be used effectively as anticorrosive pigments and in magnetic applications. En ligne : https://drive.google.com/file/d/1VWs-irNxTpFZNdHDnur7epO7QoR7eML6/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8209 [article]

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Recycled rust protection / Hassan Salah Aly Emira in EUROPEAN COATINGS JOURNAL (ECJ), N° 4/2011 (04/2011)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 4/2011 (04/2011) . - p. 118-121 Titre : Recycled rust protection : Iron waste powders studied for possible use in protective coatings Type de document : texte imprimé Auteurs : Hassan Salah Aly Emira, Auteur ; Nagui A. Abdel-Khalek, Auteur Année de publication : 2011 Article en page(s) : p. 118-121 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosion Caoutchouc chloré Epoxydes Paraffines chlorées Pigments Polyalkydes Revêtements protecteurs Urethanes Index. décimale : 667.9 Revêtements et enduits Résumé : Waste powders consisting mainly of impurities generated during the recycling of steel in Egypt were tested both in their initial state and after removal of hazardous substances as anticorrosive pigments. Reasonable protection against corrosion was obtained, but the alkalinity of the product made it suitable for use only with certain binders. Note de contenu : - Possible applications include anticorrosive pigments - Two different samples are collected and purified - Test procedures outlined - Pigments are tested in three binder systems - Effective corrosion resistance can be obtained - Reaction of powders with some binders limits use En ligne : https://drive.google.com/file/d/1lla2aU3Rzrh8LLINERv9S8lokqjfuxSV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11168 [article]

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