Designing a corrosion resistant resin for surface coating / Shiv Charan Prajapati in PAINTINDIA, Vol. LXV, N° 9 (09/2015)  

[article]  inPAINTINDIA > Vol. LXV, N° 9 (09/2015) . - p. 112-116 Titre : Designing a corrosion resistant resin for surface coating Type de document : texte imprimé Auteurs : Shiv Charan Prajapati, Auteur ; Renu Chauhan, Auteur ; P. K. Kamani, Auteur Année de publication : 2015 Article en page(s) : p. 112-116 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse spectrale Anticorrosifs Anticorrosion Caractérisation Copolymère silicone acrylique Polymérisation en émulsion Résistance chimique Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques Revêtements protecteurs Index. décimale : 667.9 Revêtements et enduits Résumé : Acrylic silicon hybrid resins for corrosion protective coatings were developed by emulsion co-polymerisation of methy acrylate (MMA), butyl acrylate (BA), styrene with methacryloxypropyl trymethoxysilane (MATS) and octamethylcyclotetra siloxane at 80-85°C in the presence of ammonium per sulphate (APS) as the initiator, resulting polymers were characterised by using Fourier Transformed Infra Red Spectroscopy (FTIR) and particle size analyser. The obtained polymer had high solid content and was used in emulsion paints as binder. The coatings were prepared and their anticorrosion behaviour discussed with varying silicon content. The experimental results show that these polymers supply very useful properties such as high anticorrosive, UV light stability, washing and coating with highest silicon content exhibited the maximum corrosion resistance property. Remarkable improvements in film properties were seen. Note de contenu : - EXPERIMENTAL : Material - Preparation of reagents - Polymerization procedure - Characterization of synthesized polymers - COATING FORMULATION AND FILM PREPARATION - CHARACTERIZATION OF FILM PROPERTIES : Corrosion resistance properties - Chemical resistance properties - Mechanical properties - RESULTATS AND DISCUSSION : Spectral analysis - Corrosion resistance properties of hybrid films - Chemical resistance properties of hybrid films - Mechanical properties of hybrid films En ligne : https://drive.google.com/file/d/1xp17XCvYoCSVqg_nuQYkeE7txb2pAm2L/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24844 [article]

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Morphological mechanism of extenders in surface coatings : an insight / Manu Gupta in PAINTINDIA, Vol. LVII, N° 10 (10/2007)

[article]  inPAINTINDIA > Vol. LVII, N° 10 (10/2007) . - P; 101-114 Titre : Morphological mechanism of extenders in surface coatings : an insight Type de document : texte imprimé Auteurs : Manu Gupta, Auteur ; Renu Chauhan, Auteur ; P. K. Kamani, Auteur Année de publication : 2007 Article en page(s) : P; 101-114 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Extenders today are very seldom used solely as cheapeners. Their morphology, surface treatment, surface characteristics and nano size have strengthened their applications in almost all the coatings: clear to pigmented, primer to finish, water based to solvent based, architectural to industrial etc. Even in high gloss finishes they are occupying a key ingredient position. The extenders cover a broad range of particle shape and size and also surface activity which control the functional, mechanical and aesthetic properties of a coating. This paper highlights the role of these specific properties in the coatings which of course can not be overlooked in their end product. Note de contenu : - Extender technology - Sources - Important properties - Particle shapes : Acicular - Flat platy - Fibrous - Particle size - Particle surface area - Particle surface activity - Hardness - Chemical effects - Aesthetics and opacity - Surface treated extenders - Nano clays Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11509 [article]

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