Comparative study and film performance of epoxy polyester and epoxy polyester hybrids powder coating / Vipin Shukla in PAINTINDIA, Vol. LIV, N° 1 (01/2004)

[article]  inPAINTINDIA > Vol. LIV, N° 1 (01/2004) . - p. 41-44 Titre : Comparative study and film performance of epoxy polyester and epoxy polyester hybrids powder coating Type de document : texte imprimé Auteurs : Vipin Shukla, Auteur ; Madhu Bajpai, Auteur ; Mudit Goyal, Auteur ; Dharmendra Singh, Auteur ; Mahendra Singh, Auteur Année de publication : 2004 Article en page(s) : p. 41-44 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Thermally curable powder coatings are widely used for coating metallic components due to the unique combination of technological, environmental and economic benefits. This paper describes various physical and chemical properties of different powder coating films like epoxy, pure polyester and epoxy polyester hybrid. In this paper an attempt is made to correlate the properties of different powder coating films and also the influence of type of resins are discussed. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12057 [article]

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Comparative study of phenalkamines and polyamidoamine in marine coatings for corrosion resistance / Mahesh Soni in PAINTINDIA, Vol. LX, N° 12 (12/2010)

[article]  inPAINTINDIA > Vol. LX, N° 12 (12/2010) . - p. 6167 Titre : Comparative study of phenalkamines and polyamidoamine in marine coatings for corrosion resistance Type de document : texte imprimé Auteurs : Mahesh Soni, Auteur ; Vipin Shukla, Auteur ; Jitendra Bhatia, Auteur Année de publication : 2010 Article en page(s) : p. 6167 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Corrosion Epoxydes Marines (peinture) Phénalkamines Polyamides Un polyamide est un polymère contenant des fonctions amides -C(=O)-NH- résultant d'une réaction de polycondensation entre les fonctions acide carboxylique et amine. Selon la composition de leur chaîne squelettique, les polyamides sont classés en aliphatiques, semi-aromatiques et aromatiques. Selon le type d'unités répétitives, les polyamides peuvent être des homopolymères ou des copolymères. Index. décimale : 667.9 Revêtements et enduits Résumé : The aim of this project was the development of a novel coating with a high resistance against wear and corrosion, optimum flexibility and a rich adhesion on substrate and could maintain its indentity in salt rich, humid and highly pathetic environment. Epoxy resin is chosen for our present study owing to its exceptional combination of properties such as easy processing, high safety, excellent solvent and chemical resistance, toughness, low shrinkage on cure, good electrical, mechanical and c orrosion resistance with excellent adhesion to many substrates. Phenalkamines and polyamides have shown exceptionally good results when used for adhesives and other coating application ; simultaneously they are having good low temperature curing properties under damp conditions and that is why they are considered here for marine application too. Corrosion conditions are being created for test evaluation and simulated results may prove a path in developing novel curing agent for marine related application. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10620 [article]

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Experimental techniques to examine the degree of cure in UV-curable coating technology / Vipin Shukla in PAINTINDIA, Vol. LV, N° 2 (02/2005)

[article]  inPAINTINDIA > Vol. LV, N° 2 (02/2005) . - p. 49-50 Titre : Experimental techniques to examine the degree of cure in UV-curable coating technology Type de document : texte imprimé Auteurs : Vipin Shukla, Auteur ; M. Singh, Auteur ; R. Shukla, Auteur ; D. K. Singh, Auteur Année de publication : 2005 Article en page(s) : p. 49-50 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : This paper is an attempt to freeze momentarily in time a continuously and rapidly changing field of study which, to say the least, is highly complex. Even the descriptive terminology pertaining to this type of investigation is mercurial, ranging from physiochemical to chemorheological to the even more abtuse designation, chemoprocessing . To put the reader at ease with the subject, a short historical introduction is therefore in order. The uv-curing of epoxyacrylate resin systems involves photochemical processes . Thus an understanding of their chemical and physical characteristics before ,during, and after processing is prerequisite to their successful application. Note de contenu : - Different epoxy acrylate resins - Characterization techniques - Thermogravimetric analysis - Infra-red spectroscopy - Finger-tip test - Solvent rub test - Cotton test - Permanganate stain test - Pencil hardness Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11956 [article]

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Studies on phenol novolac modified hybrid powder coating / Vipin Shukla in PAINTINDIA, Vol. LIV, N° 6 (06/2004)

[article]  inPAINTINDIA > Vol. LIV, N° 6 (06/2004) . - p. 61-63 Titre : Studies on phenol novolac modified hybrid powder coating Type de document : texte imprimé Auteurs : Vipin Shukla, Auteur ; D. K. Singh, Auteur ; M. Singh, Auteur ; Ravi Shukla, Auteur Année de publication : 2004 Article en page(s) : p. 61-63 Note générale : Bibliogr. Langues : Anglais (eng) Résumé : This paper provides thoughts and ideas for using phenol novolac resin in hybrid powder coatings either in pure form or modified form. Matt and glossy finish powder coating compositions were prepared with and without novolac resin the performance of novolac resin in hybrid (epoxy-polyester) powder coating was observed through several physical and chemical properties like gloss, flexibility, impact, adhesion solvent resistance, salt spray test etc. Note de contenu : - Synthesis of novolac resin - Synthesis of epoxy resin - Determination of epoxide equivalent weight (EEW) Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12018 [article]

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Superior coatings from epoxy cresol novolac resin / Mudit Goyal in PAINTINDIA, Vol. LII, N° 6 (06/2002)

[article]  inPAINTINDIA > Vol. LII, N° 6 (06/2002) . - p. 39-44 Titre : Superior coatings from epoxy cresol novolac resin Type de document : texte imprimé Auteurs : Mudit Goyal, Auteur ; Mahendra Singh, Auteur ; Dharmendra Singh, Auteur ; S. Singh, Auteur ; Vipin Shukla, Auteur Année de publication : 2002 Article en page(s) : p. 39-44 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Bisphenol-A epoxy resin have certain inherent drawbacks. the limitation could be overcome by replacing them with multifunctional epoxy resins such as epoxy phenol novolac (EPN) and epoxy cresol novolac (ECN) resins. Synthesis and characterization of EPN and ECN has been discussed. ECN resin were observed to be much superior so that a comprehensive study was made of the various coating properties such as drying time, hardness, adhesion, gloss, flexibility, skinning tendency, corrosion, impact-resistance and chemical resistance of cresol novolac epoxy cured with polyamide resin. Note de contenu : - METHODS : Synthesis of novolac resins - Synthesis of epoxy novolac resins - DETERMINATION OF EPOXY EQUIVALENT WEIGHT (EEW) : Reagents - Procedure - Calculation - EVALUATION OF FILM CHARACTERISTICS - RESULTS AND DISCUSSION : Drying time - Hardness - Gloss - Salt-spray test - Impact resistance Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12363 [article]

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The fundamental principles of cationic UV-curable coating / Madhu Bajpai in PAINTINDIA, Vol. LIII, N° 2 (02/2003)

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The study on liquid aromatic amine-aldehyde condensates as curing agent for epoxy adhesive / Madhu Bajpai in PAINTINDIA, Vol. LVI, N° 5 (05/2006)

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