High performance glassflake coatings for aggressive environments / B. P. Mallik in PAINTINDIA, N° Annuel 2003 (2003)

[article]  inPAINTINDIA > N° Annuel 2003 (2003) . - p. 87-98 Titre : High performance glassflake coatings for aggressive environments Type de document : texte imprimé Auteurs : B. P. Mallik, Auteur ; S. M. Naik, Auteur ; A. S. Khanna, Auteur ; S. Sreekumar, Auteur Année de publication : 2003 Article en page(s) : p. 87-98 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Protecting steel structures against corrosion in highly aggressive environment involving harsh service conditions is always a challenging task. Coating technologists and researchers are in constant search of novel polymers and materials to design new generation high performance coatings that can fulfill the growing expectations of customers in terms of enhanced service life at reduced applied cost and compliance to ecological, application and safety needs. Of late extra corrosion resistance glass flake having high aspect ratio are becoming the integral part of many high performance coating due to its chemical inertness, low water vapour permeability, superior cathodic disbondment properties and abrasion resistance. Solvent free or high solid glass reinforced coatings can provide an effective solution against the premature failure of coating systems even under the most demanding service environments like splash zone in offshore refineries, underwater immersion, internal tank linings involving harsh chemicals. The present study will elaborate on the benefits of glass flake reinforcement in high solid epoxy coatings. Note de contenu : - Pigment – glass flake - Barrier effect - Torturous path of glass flake pigments - Benefits of glass flake pigments - Categories of glass flake coatings - Epoxy based glass flake coatings - Vinyl ester based glass flake coatings - Unsaturated polyester glass flake coatings - Scope of experimentation - Raw materials - Evaluation of amine hardeners - Selection of glass flake - Experimental design - Result and discussions Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12083 [article]

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Investigating the role of key ingredients on cathodic delamination resistance of high-build pigmented epoxy coatings / R. Balaji in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 10, N° 1 (01/2013)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 10, N° 1 (01/2013) . - p. 87-95 Titre : Investigating the role of key ingredients on cathodic delamination resistance of high-build pigmented epoxy coatings Type de document : texte imprimé Auteurs : R. Balaji, Auteur ; Kishor Gadhave, Auteur ; Subrahmanya Shreepathi, Auteur ; V. Akilan, Auteur ; B. P. Mallik, Auteur Année de publication : 2013 Article en page(s) : p. 87-95 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bases (chimie) Décollement cathodique (revêtement) Epoxydes Farinage (défauts) Résistance à l'arrachement Résistance chimique Revêtements Index. décimale : 667.9 Revêtements et enduits Résumé : Organic coatings applied on cathodically protected metallic structures must have good resistance to cathodic delamination or disbonding (CD). Both environmental conditions and coating composition influence the CD resistance. In the present study, the effect of types of epoxy resin, curing agents and their mixing ratio on cathodic delamination rate was studied in a high-build pigmented coating. Furthermore, the influence of platey fillers on CD resistance was also studied. In order to bring out correlations, if any, between adhesion and CD resistance, pull-off adhesion strengths (both dry and wet) of these coatings were also measured. Fairly good correlation was found between residual (wet) pull-off adhesion strength and CD resistance. When tested at 60 and 90°C, all the coatings under investigation showed chalking. Among the coatings under investigation, the one based on Bisphenol F epoxy and modified cycloaliphatic amine adduct exhibited excellent CD resistance. Note de contenu : - EXPERIMENTAL : Materials and reagents - Processing of coatings - Coating application - CD testing - Characterization - RESULTS AND DISCUSSION : Effect of curing agent on cathodic delamination - Effect of type of epoxy resin on cathodic disbonding - Effect of base-to-hardener ratio on CD resistance - Pull-off adhesion strength vs CD resistance - Chalking during CD test DOI : 10.1007/s11998-012-9460-4 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-012-9460-4.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17476 [article]

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Nanotechnologie opens up new vistas for surface coatings / B. P. Mallik in SURFACE COATINGS INTERNATIONAL. PART A : COATINGS JOURNAL, Vol. 89, A5 (07/2006)  

[article]  inSURFACE COATINGS INTERNATIONAL. PART A : COATINGS JOURNAL > Vol. 89, A5 (07/2006) . - p. 248-253 Titre : Nanotechnologie opens up new vistas for surface coatings Type de document : texte imprimé Auteurs : B. P. Mallik, Auteur Année de publication : 2006 Article en page(s) : p. 248-253 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Ever since its inception, problems which have infected the performance of coating systems across all segments of the paint industry are early delamination leading to paint peeling off, colour fading, gloss dulling, edge corrosion, blistering, and inferior abrasion and scratch resistance which result in surface erosion and dirt pick up. In spite of significant developments in the fields of product, process and application technologies, the fundamental science behind these failures is neither studied systematically nor understood clearly, though interim solutions have been provided based on trial and error experimentation with various generic systems. Note de contenu : - Nanotechnology - an answer? - Applications in the coating industry - Examples of nanomaterials and emerging applications - Other applications of nanocomponsites - Manufacture of nanoparticles - Limitations of nanotechnology En ligne : https://drive.google.com/file/d/1G00AeE2OcDYlsoWadfxsZjGguSYLa5bL/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16434 [article]

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Performance enhancement of protective coating systems for I11-prepared surfaces using 1K moistue PU / B. P. Mallik in PAINTINDIA, Vol. LI, N° 9 (09/2001)

[article]  inPAINTINDIA > Vol. LI, N° 9 (09/2001) . - p. 119-123 Titre : Performance enhancement of protective coating systems for I11-prepared surfaces using 1K moistue PU Type de document : texte imprimé Auteurs : B. P. Mallik, Auteur Année de publication : 2001 Article en page(s) : p. 119-123 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Matériau  revêtement'  'Peinture  anticorrosion'  'Protection  corrosion'  'Uréthanne  polymère'  Durcissement  Humidité  Peinturage  Préparation Index. décimale : 667.9 Revêtements et enduits Résumé : The life of a protective coating system on ill prepared surfaces can be improved significantly by using a layer of highly penetrating and strongly adherent sealer coat based on 1K Moisture Cure Polyurethane which can bind and encapsulate rust tightly to form a sound base for the application of subsequent coats. The unique potential of 1K Moisture Cure Polyurethane as a rust fixation coat and its ability to enhance the performance of protective coating systems based on Moisture Cure Polyurethane and rust tolerant epoxies on manually cleaned rusty steel surface have been discussed. Note de contenu : - Chemistry of moisture cure polyurethane - Advantages and disadvantages of 1K PU - Application of moisture cure polyurethane - Moisture cure polyurethane as rust fixation coating - Lab experiments - Fields : Details of system - Site I. Chemically polluted, non-coastal - Site II : Chemically polluted coastal environment Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12461 [article]

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Recent trends of developments in high performance coatings / B. P. Mallik in PAINTINDIA, N° spécial (02/2002)

[article]  inPAINTINDIA > N° spécial (02/2002) . - p. 35-46 Titre : Recent trends of developments in high performance coatings Type de document : texte imprimé Auteurs : B. P. Mallik, Auteur Année de publication : 2002 Article en page(s) : p. 35-46 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Increasing labour cost, higher service life expectations, application safety and environmental compulsions have led to the development of several high performance coatings based on new chemistries for the project as well as maintenance segment of the protective coating industry. Most of these new generation coatings are being increasingly popularised in the post nineties due to their superior performance, cost effectiveness in relation to overall service life, ease of application, productivity and operator's safety. The present article would deal specifically on some of the emerging products and chemistries for the high performance industrial coatings. Note de contenu : - SOLVENTLESS COATINGS - SURFACE TOLERANT COATINGS : Mechanisms of protection - Intertisation of soluble salts - Conversion of rust to stable compounds - Impregnation of rust - GLASS FLAKE COATINGS - EPOXY POLYSILOXANE COATINGS - POLYUREA - ANTIFOULING COATINGS : Toxin based antifoulings copper based coatings - Secondary biocides - Ablative resins - Non toxic fouling release coating - Fluorinated coating - Silicone coatings - Future and antifoulings Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12258 [article]

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Superdurable powder coatings - a novel alternative for exterior architectural finishing / B. P. Mallik in PAINTINDIA, Vol. LVI, N° 1, Sup (01/2006)

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

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