Air-drying high solids green coatings / Syed Haseebuddin in PAINTINDIA, Vol. LIX, N° 11 (11/2009)

[article]  inPAINTINDIA > Vol. LIX, N° 11 (11/2009) . - p. 61-76 Titre : Air-drying high solids green coatings Type de document : texte imprimé Auteurs : Syed Haseebuddin, Auteur ; Kumar Ghosh Swapan, Auteur ; Gulzar Waghoo, Auteur ; Randhir Parmar, Auteur ; Vaibhav Dave, Auteur ; Harshal Navghare, Auteur Année de publication : 2009 Article en page(s) : p. 61-76 Note générale : Bibliogr. Langues : Anglais (eng) Tags : Résines  alkyd  Polymères  branches  vertes  Enduits  verts  Dipentaerythritol  Dessication  air  Résistance  corrosion  Brillant  Faibles  COV Index. décimale : 667.9 Revêtements et enduits Résumé : Green coatings have become the core research area ot the scientists to address the issues of the environment health and safety. A series of high solid alkyd polymers from soya and dehydrated castor oil fatty acid (SOFA and DCOFA respectively) combination with varying percentage of Dipentaerythritol (DPE ; a hexa-functional polyol), have been synthesized and characterized for their physico chemical, optical, thermal and mechanical properties. For the study purpose the polymers were prepared at 80 % solids keeping the oil length constant. The curing behaviour of the alkyds was studied using FT-IR and DSC. Increasing DPE content in resin backbone was found to increase gloss and hardness.The gloss improvement was also supported well by AFM pictures. Results of 500 hours of QUV exposure revealed higher gloss retention for DP based systems. When compared for the anticorrosive properties, the EIS spectrum reveals that alkyd film containing 100 % DPE has the higher value of impedance. The overall performance of the DPE based system reveals the excellent combination of green aspects with improved coatings which is the need of the day. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8324 [article]

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Clearing the way / Anna Kotnis in EUROPEAN COATINGS JOURNAL (ECJ), N° 01/2009 (01/2009)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 01/2009 (01/2009) . - p. 36-39 Titre : Clearing the way : Transparent silane system provides self-cleaning effect on metal Type de document : texte imprimé Auteurs : Anna Kotnis, Auteur ; Angela Classen, Auteur ; Kumar Ghosh Swapan, Auteur ; Bernd Rohe, Auteur ; Thomas Sowade, Auteur Année de publication : 2009 Article en page(s) : p. 36-39 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosion Dioxyde de titane Métaux -- Revêtements:Métaux -- Peinture Photocatalyse Revêtement auto-nettoyant:Peinture auto-nettoyante Silanes Index. décimale : 667.6 Peintures Résumé : A silane system modified with ultrafine TiO2 was developed for use as a transparent photocatalytic paint for steel construction. When a pretreatment is used, good corrosion resistance can be otbained. The applied coating show high transparency and good photoactivity at a coating thickness of 2µm. En ligne : https://drive.google.com/file/d/1OK1fbIfHgSaelyN4YdYZgJA2m2jOVvP_/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3336 [article]

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Comparative release rates from controlled release polymer coatings—comparisons between models and experiment / Prakash S. Sane in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 4 (07/2019)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 4 (07/2019) . - p. 1193-1200 Titre : Comparative release rates from controlled release polymer coatings—comparisons between models and experiment Type de document : texte imprimé Auteurs : Prakash S. Sane, Auteur ; Kumar Ghosh Swapan, Auteur ; Donald Sundberg, Auteur Année de publication : 2019 Article en page(s) : p. 1193-1200 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Etudes comparatives Revêtements -- Additifs:Peinture -- Additifs Revêtements antisalissures:Peinture antisalissures Revêtements organiques Système de libération contrôlée (technologie) Index. décimale : 667.9 Revêtements et enduits Résumé : Controlled release devices and coatings are used heavily in widely varying applications. Here, we focus on applications to antifouling coatings by adding an active agent to polymeric coatings. Quantitative models were developed for four distinctively different methods of dispersing the active agent in the coating. The predicted release rates from these models were contrasted to reveal the inherent differences in the time-dependent release rate profiles achievable from these types of coatings. The majority of these four coatings (monolithic, dispersed particle and reservoir membrane) release the active agent with greatly varying rates over their effective lifetimes, while a microcapsule-based coating has the potential to produce relatively constant rates of release. While the models are potentially of great value, they require a number of parameters, particularly the diffusion coefficient of the active agent through the polymer, to be quantified. We demonstrate how such parameters can be quantified through release rate measurements from simple experimental coatings. Note de contenu : - MODELING FRAMEWORK : Monolithic coatings - Dispersed particle coatings - Reservoir membrane coatings - Microcapsule-based coatings - EXPERIMENTAL WORK : Materials - Emulsion polymerization - Typical paint preparation - Characterization - RESULTS AND DISCUSSION : Comparative release rates from different types of coatings - Experimental release rates DOI : 10.1007/s11998-019-00226-1 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-019-00226-1.pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32873 [article]

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A comparative study of reactive and conventional surfactants in water borne coatings / Geeta Sharma in PAINTINDIA, Vol. LXVI, N° 1 (01/2016)  

[article]  inPAINTINDIA > Vol. LXVI, N° 1 (01/2016) . - p. 54-60 Titre : A comparative study of reactive and conventional surfactants in water borne coatings Type de document : texte imprimé Auteurs : Geeta Sharma, Auteur ; Sunakshi Jamnare, Auteur ; Rimita Bhar, Auteur ; Kumar Ghosh Swapan, Auteur Année de publication : 2016 Article en page(s) : p. 54-60 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Angle de contact Brillance (optique) Energie de surface Essais dynamiques Formulation (Génie chimique) Hydrophobie Latex Résistance à l'humidité:Résistance à l'eau Revêtements:Peinture Surfactants Surfactants réactifs Index. décimale : 667.9 Revêtements et enduits Résumé : A comparison of the role of conventional and reactive surfactants also known as surfmers in waterborne latexes and paints was investigated in this study. The systems studied were acrylate latexes prepared by semi¬continuous polymerization in different combinations of surfactants. The effect of surfactant nature on microstructure of latex and film properties were examined. The impact of surfactant migration and its absence was examined by water resistance, hydrophobicity and minimum film forming temperature in the prepared latex films. The nature and integrity of paint film formulated out of these latexes was also discussed. The impact on important properties like dirt pick up resistance, scrub resistance and gloss was illustrated. It has been concluded that reactive surfactants provide the scope of improving water resistance. Note de contenu : - EXPERIMENTAL : Materials and methods - Latex synthesis - Characterization of latex and polymer - Preparation of paints and testing - Results and discussion - Film appearance - Impact on microstructure of the latex - MINIMUM FILM FORMING TEMPERATURE OF LATEXES - WATER RESISTANCE OF LATEXES - WATER CONTACT ANGLE AND SURFACE TENSION : Paint properties - Dirk pick up resistance of paints - Scrub test - Gloss of paint films - Surfactant leaching En ligne : https://drive.google.com/file/d/1iZIWViqJLYlPCdhkEYcxAtYd6Xkd1okd/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25675 [article]

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Functional coatings / Kumar Ghosh Swapan / New York [Etats-Unis] : Wiley-VCH (2006)

Titre : Functional coatings : by polymer microencapsulation Type de document : texte imprimé Auteurs : Kumar Ghosh Swapan, Editeur scientifique Editeur : New York [Etats-Unis] : Wiley-VCH Année de publication : 2006 Importance : XIV-357 p. Présentation : ill. Format : 25 cm ISBN/ISSN/EAN : 978-3-527-31296-2 Prix : 137 E Note générale : Index - Bibliogr. Langues : Anglais (eng) Catégories : Encapsulation Revêtements:Peinture Index. décimale : 667.9 Revêtements et enduits Note de contenu : 1. Functional coatings and microencapsulation : A general perspective 2. Encapsulation through (mini)emulsion polymerization 3. Microcapsules through layer-by-layer assembly technique 4. Polymer encapsulation of inorganic particles 5. Microencapsulation of liquid active agents 6. Core-shell systems based on intrinsically conductive polymers and their coating applications 7. Smart textiles using microencapsulation technology 8. Encapsulations through the sol-gel technique and their applications in functional coatings 9. electrolytic co-deposition of polymer-encapsulated (microencapsulated) particles Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=1910

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Grafting of functional monomers through atom transfer radical polymerisation (ATRP) / Ega Shivakumar in PAINTINDIA, Vol. LXV, N° 11 (11/2015)  

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Investigation of cardanol-based reactive polyamide as a crosslinker in epoxy zinc-rich primer / Dinesh Balgude in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 14, N° 3 (05/2017)  

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Perspective & recent advances in self-healing - Coatings / Kumar Ghosh Swapan in PAINTINDIA, Vol. LIX, N° 8 (08/2009)

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Self-cleaning hybrid coatings for steel applications / Anna Kotnis in DOUBLE LIAISON, N° 565 (10/2008)

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Synthesis of polymeric dispersants from renewable DCO fatty acid and their multifunctional behavior in waterborne flat paint / Ravi Dara in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 6, N° 4 (12/2009)  

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