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Silane coupling agent (SCA) pretreatment and polycaprolactone (PCL) coating for enhanced corrosion resistance for magnesium / Jialin Niu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 1 (01/2019)
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[article]
Titre : Silane coupling agent (SCA) pretreatment and polycaprolactone (PCL) coating for enhanced corrosion resistance for magnesium Type de document : texte imprimé Auteurs : Jialin Niu, Auteur ; Huiyin Liu, Auteur ; Xin Ping, Auteur ; Xianchao Xun, Auteur ; Guangyu Li, Auteur Année de publication : 2019 Article en page(s) : p. 125-133 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Alliages
Anticorrosifs
Anticorrosion
Caractérisation
Electrochimie
Magnésium -- Alliages
Métaux -- Revêtements protecteurs
Morphologie (matériaux)
Poly-e-caprolactone
Réaction de couplage
Revêtements -- Analyse
Silanes
Surfaces (Physique)
Test d'immersionIndex. décimale : 667.9 Revêtements et enduits Résumé : To address the problem of rapid corrosion of magnesium (Mg) alloys, a biodegradable polymer film of polycaprolactone (PCL) with KH550 as silane coupling agent (SCA) was coated on Mg substrate. The effect of the coating was analyzed using electrochemical tests (potentiodynamic polarization curves and electrochemical impedance spectroscopy) and immersion tests (hydrogen evaluation tests and scratch tests). The electrochemical tests showed that the corrosion resistance was extremely improved (by nearly two orders for icorr and 1.04 V for Ecorr), and the immersion tests illustrated that the connection between PCL and Mg substrate was enhanced as well (especially in scratch tests), thus indicating significant improvement of the corrosion resistance of SCA-pretreated PCL polymer samples. In summary, SCA-pretreated PCL is a promising coating to decrease the degradation behavior of Mg substrate. Note de contenu : - EXPERIMENTAL : Materials and specimen preparation - Characterization - Electrochemical tests - Immersion tests
- RESULTS AND DISCUSSION : Surface morphology of coatings - FTIR analysis of coatings - Electrochemical corrosion behavior - Immersion degradation behavior
- Table 1 : Chemical composition of SBF
- Table 2 : Corrosion potential Ecorr and corrosion current density icorr obtained from PDP curves by Tafel method, cathodic Tafel slope, and corrosion resistance (Rp) values of Mg, MS, MP, and MSPDOI : 10.1007/s11998-018-0107-y En ligne : https://link.springer.com/article/10.1007/s11998-018-0107-y Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31976
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 1 (01/2019) . - p. 125-133[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20659 - Périodique Bibliothèque principale Documentaires Disponible Silane modified hyperbranched alkyd for high performance polyurethane coating on multi-substrate / Tirthankar Jana in PAINTINDIA, Vol. LXX, N° 1 (01/2020)
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Titre : Silane modified hyperbranched alkyd for high performance polyurethane coating on multi-substrate Type de document : texte imprimé Auteurs : Tirthankar Jana, Auteur ; Debabrata Pal, Auteur ; Rantu Bhunia, Auteur Année de publication : 2020 Article en page(s) : p. 55-66 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Adhésion
Anticorrosifs
Anticorrosion
Application directe sur le métal
Polymères ramifiés
Polyuréthanes
Réaction de couplage
SilanesIndex. décimale : 667.9 Revêtements et enduits Résumé : The coating on metal substrate enhances protection against corrosion and aesthetic value. Generally multi coat system is followed to perform these requirements. To reduce the painting cost, painting cycle as well as volatile organic compound emission, high solid coating in single coat is most promising. Use of hyperbranched alkyd is a suitable approach for this purpose as it form high solid, high build up in a single coat, better levelling and adhesion on any substrates. In the present study, to achieve adhesion on multi substrate, different silane coupled hyperbranched alkyd polyurethane have been synthesised and characterised through different analytical techniques. The coating based on silane modified hyperbranched polymer exhibited excellent anti corrosive performance, adhesion on multi substrate and initial gloss and gloss retention under accelerated weathering. Such silane modified hyperbranched polyurethane coating has potential for application in direct to metal (DTM) coating. Note de contenu : - EXPERIMENTAL : Materials - Synthesis of hyperbranched alkyd - Formulation of coatings and film preparation
- CHARACTERIZATION : Characterization of resins
- ACCELERATED WEATHERING TEST
- CORROSION RESISTANCE TEST
- RESULTS AND DISCUSSION : FTIR spectroscopy - DSC analysis - Physical properties of resin - Scratch resistance, flexibility, abrasion resistance, pendulum hardness & impact resistance - Adhesion strength
- ACCELERATED WEATHERING TEST : Corrosion resistance i.e. salt spray and humidity resistance performance
- Fig. 1 : Scheme of the synthesis of hyperbranched core
- Fig. 2 : Scheme of the synthesis of silan modified hyperbranched alkyd
- Fig. 3 : FTIR Spectrum of different silane modified hyperbranched alkyd. (A) unmodified hyperbranched alkyd, (B) amino silane, (C) thio silane and (D) epoxy silane modified hyperbranched alkyd
- Fig. 4 : DSC Thermogram of different alkyd polyurethane coatings using alkyd A, B, C and D respectively
- Fig. 5 : Pull of adhesion strength of different alkyd polyurethane (PU) coating system
- Fig. 6 : Adhesion test results on different test panels
- Fig. 7 : QUV gloss retention of different alkyd polyurethand system at different intervals
- Fig. 8 : ΔE value of different alkyd polyurethane coating after 500 hrs of QUV exposure
- Fig. 9 : Images of test panels after salt spray exposure of 500 hrs
- Fig. 10 : Images of test panels after humidity test of 500 hrs
- Table 1 : Physical characteristics of four different alkyds
- Table 2 : Physical and mechanical properties of alkyd polyurethane coatingsEn ligne : https://drive.google.com/file/d/1kF7R7QvsT07K6t9anJ4rwtetmtIE6gzp/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34679
in PAINTINDIA > Vol. LXX, N° 1 (01/2020) . - p. 55-66[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22389 - Périodique Bibliothèque principale Documentaires Disponible Silanes solve salt attack / Johannes Ihringer in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 200, N° 4547 (04/2010)
[article]
Titre : Silanes solve salt attack Type de document : texte imprimé Auteurs : Johannes Ihringer, Auteur Année de publication : 2010 Article en page(s) : p. 36-37 Langues : Anglais (eng) Catégories : Anticorrosifs
Anticorrosion
Matériaux cimentaires -- Revêtements protecteurs
Sels
SilanesIndex. décimale : 667.9 Revêtements et enduits Résumé : The Gotthard Tunnel roof has been given a Wacker protective coating to combat water and salt attack. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10083
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 200, N° 4547 (04/2010) . - p. 36-37[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 012360 - Périodique Bibliothèque principale Documentaires Disponible Silica encapsulated tannic acid containing pH triggered smart coating / Debabrata Pal in PAINTINDIA, Vol. LXIX, N° 6 (06/2019)
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Titre : Silica encapsulated tannic acid containing pH triggered smart coating Type de document : texte imprimé Auteurs : Debabrata Pal, Auteur ; Pradipta Sankar Maiti, Auteur ; Kumaresh Nandy, Auteur ; Saumyadip Ghosh, Auteur Année de publication : 2019 Article en page(s) : p. 55-64 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosifs
Anticorrosion
Encapsulation
Essais de brouillard salin
Matériaux intelligents
Métaux -- Revêtements protecteurs
pH
Primaire (revêtement)
Revêtements bi-composant
TaninsIndex. décimale : 667.9 Revêtements et enduits Résumé : The annual cost of corrosion globally exceeds 1.8 trillion US dollars, which translates into 3-4 % of the GDP of industrialised nations worldwide. Over the past decade there has been significant progress in the development of smart coatings. Smart coatings require triggers to respond to the environment. Such triggers can be moisture, pH, chloride ions concentration, mechanical damage, and temperature and redox activity. In the current work we report synthesis of silica encapsulated tannic acid based smart coatings and its rust preventive performance derived out of the same. Epoxy primer grey paint and epoxy novolac based tank liner paints prepared using silica encapsulated tannic acid (MNSTA) were applied over manually cleaned surface. Its triggering mechanism was analysed by exposing them to different acidic pH and subsequently exposed to salt spray testing. The same has been compared with normal salt spray behaviour. Pull off adhesion, cathodic disbondment were performed in addition to understand its overall anti-corrosive behaviour. Note de contenu : - EXPERIMENTAL METHODOLOGY : Reagents - Preparation of silica encapsulated tannic acid
- PAINT PREPARATION : A) Two pack zinc phosphate primer - B) Epoxy novolac based tank liner system
- TEST MEDHODS USED : pH triggering procedure - Pull off adhesion - Cathodic disbondment resistance
- RESULTS AND DISCUSSION : Rust prevention property against different pH - Salt spray results - Pull off adhesion results - Cathodic disbondment resultsEn ligne : https://drive.google.com/file/d/1kzE0s4IuKsFTNIBY5xTHWKisf8k5vGiH/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32803
in PAINTINDIA > Vol. LXIX, N° 6 (06/2019) . - p. 55-64[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21075 - Périodique Bibliothèque principale Documentaires Disponible Silica gels advance / David Kent in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 194, N° 4481 (10/2004)
[article]
Titre : Silica gels advance Type de document : texte imprimé Auteurs : David Kent, Auteur ; Timothy Fletcher, Auteur ; Norbert Wings, Auteur Année de publication : 2004 Article en page(s) : p. 21-24 Langues : Anglais (eng) Catégories : Agent mattant
Anticorrosion
Calcium
Couches minces
Gel de silice
Pigments
Revêtements -- Séchage sous rayonnement:Peinture -- Séchage sous rayonnement
Revêtements en phase aqueuse:Peinture en phase aqueuse
Revêtements protecteursIndex. décimale : 667.9 Revêtements et enduits Résumé : Why calcium modified silica gel pigment technology will be turned to more as the preferred non-toxic method of corrosion control and gloss reduction in all types of coatings ?
Synthetic silica gel products are widely used in the coatings industry. The annual consumption specialty silica in Coatings is estimated at 32,700 mt only for Western Europe. A wide range of products to fit the differing application performance requirements of the various coatings segments is available. The Grace portfolio for the industry includes Silica gel products, precipitated and colloidal silica. The focus of this article is on silica gel products addressing future market in needs in matting and in corrosion protection.Note de contenu : - Silica gel technology
- Matting agents
- Coil coatings
- Thin-film coatings
- Radiation-cured coatings
- Waterborne coatingsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27684
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 194, N° 4481 (10/2004) . - p. 21-24[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 000293 - Périodique Bibliothèque principale Documentaires Disponible 000294 - Périodique Bibliothèque principale Documentaires Disponible Silica gels sector to grow / David Kent in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 194, N° 4482 (11/2004)
PermalinkPermalinkPermalinkSiloxane coating with epoxy modification : optimization of adhesion to improve steel corrosion protection / M. Barletta in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 19, N° 3 (05/2022)
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PermalinkPermalinkSimply apply two coats in INTERNATIONAL SURFACE TECHNOLOGY (IST), Vol. 11, N° 1 (2018)
PermalinkSimulating rust-free car bodies in INTERNATIONAL SURFACE TECHNOLOGY (IST), Vol. 15, N° 3 (2022)
PermalinkSlippery lubricant-infused intertwining superhydrophobic matrix: preparation and enhanced resistance against abiotic corrosion and microbiologically influenced corrosion / Yinsha Wei in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 2 (03/2023)
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PermalinkSmall is beautiful - for longer / Matthias Wittmar in EUROPEAN COATINGS JOURNAL (ECJ), N° 4/2009 (04/2009)
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PermalinkSmall particles for the protection of metal / Peter Greenwood in EUROPEAN COATINGS JOURNAL (ECJ), (12/2023)
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PermalinkA smart anticorrosion coating based on hollow silica nanocapsules with inorganic salt in shells / Dong Zhao in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 14, N° 1 (01/2017)
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PermalinkSmart coating with microencapsulation technology / Meghana Rajaram Rode in PAINTINDIA, Vol. LXIX, N° 2 (02/2019)
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PermalinkSmart coatings-current research and applications / M. Mascarenhas in SURFACE COATINGS INTERNATIONAL, Vol. 90, 1 (01/2007)
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PermalinkSol-gel route to ceria coatings on AA2024-T3 aluminum alloy / Min Zuo in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 1 (01/2015)
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PermalinkLa solution innovante proposée par Grolman in INFOCHIMIE MAGAZINE, N° 560 (06/2020)
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