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Crosslinking waterborne coatings with bipodal silanes for improved corrosion protection performance / Jacob D. Shevrin in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 209, N° 4654 (09/2019)
[article]
Titre : Crosslinking waterborne coatings with bipodal silanes for improved corrosion protection performance Type de document : texte imprimé Auteurs : Jacob D. Shevrin, Auteur ; Sheba D. Bergman, Auteur Année de publication : 2019 Article en page(s) : p. 31-36 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosifs
Anticorrosion
Essais accélérés (technologie)
Formulation (Génie chimique)
Métaux -- Revêtements protecteurs
Réticulation (polymérisation)
Revêtements en phase aqueuse -- Additifs
Silanes organofonctionnelsIndex. décimale : 667.9 Revêtements et enduits Résumé : The authors discusses waterborne silane technology and its impact on corrosion resistance properties in a coating.
As waterborne silane technology continues to gain interest as an environmentally friendly alternative to well-established corrosion protection technology, investigations into performance-enhancing additives are crucial for supporting this market growth.
If can be concluded that organofunctional bipodal silanes are viable performance-enhancing additives in waterborne corrosion protection systems due to the increase in hydrophobicity, crosslinking density and surface passivation that these materials can provide. ln particular, the waterborne organofunctional silanol system with colloidal silica and organofunctional bipodal silane additives exhibited the best corrosion resistance in neutral salt spray testing, the best alkaline resistance in alkaline testing, and the highest impedance during EIS testing. However, it is important to note that adding in an organofunctional bipodal silane into a room temperature cured waterborne organofunctional silanol coating did not outperform a thermally cured waterborne organofunctional silanol coating without organofunctional bipodal silane additives.
The authors discusses waterborne silane technology and its impact on corrosion resistance properties in a coating.
While contact angle measurements, salt spray testing, alkaline resistance testing and EIS data support this claim of increased corrosion resistance with the use of organofunctional bipodal silane additives, further research is necessary to understand the complete scope of waterborne silane technology and its interactions with organofunctional bipodal silanes.
Additional experimentation, including outdoor weatherability testing in real life conditions, is underway to better understand this technology in the hope of further improving the performance, affordability and reliability of waterborne silane coatings for corrosion resistance applications.Note de contenu : - EXPERIMENTAL METHODS : Materials - Formulation preparation - Cleaning and application procedures - Testing procedures
- RESULTS AND DISCUSSION : Surface contact angle analysis - Neutral salt spray testing - Alkaline resistance testing - Electrochemical impedance spectroscopy.
- Table : Ingredients for waterborne coatings WB1-WB5 (weight in grams)En ligne : https://drive.google.com/file/d/1T8G1vYU9OkeErtzSNwIsLN49qBs9CldH/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32919
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 209, N° 4654 (09/2019) . - p. 31-36[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21175 - Périodique Bibliothèque principale Documentaires Disponible Death to the cockroach / Farag Abdel-Hai in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 194, N° 4472 (01/2004)
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Titre : Death to the cockroach Type de document : texte imprimé Auteurs : Farag Abdel-Hai, Auteur ; A. S. Bream, Auteur Année de publication : 2004 Article en page(s) : p. 34-35 Langues : Anglais (eng) Catégories : Insecticides
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : New research conducted by the authors shows that the introduction of insecticide in paint can control the insect infestation problem. Note de contenu : - Preparation of short oil alkyds
- Preparation of emulsion paint
- Experimental insects
- Evaluation of insecticidal activity
- TABLES : 1. Daily mortality rate for musca domestica rates shown using short oil alkyds compositions - 2. Daily mortality rate for Musca domestica rates shown using various emulsion paint compositionsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27718
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 194, N° 4472 (01/2004) . - p. 34-35[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 000305 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Decorative and long-lasting : Hydro-2K-PU and hydro-UV coatings for outdoor applications Type de document : texte imprimé Auteurs : Stefan Friebel, Auteur Année de publication : 2023 Article en page(s) : p. 50-54 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Applications extérieures
Composites à fibres végétales
Essais accélérés (technologie)
Liants
Polyuréthanes
Revêtements bi-composant
Revêtements décoratifs
Revêtements en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : The coatability of commercial WPC and its behaviour in outdoor applications was investigated as part of an EU-funded research project. A long-term study of hydro-2K-PU/hydro-UV coatings (2K-PU/UV) and the influence of binder type, pigmentation and mechanical properties of the binder was carried out. Wood-polymer composites (WPC) with polyethylene (PE) and softwood fibres represent a group of materials for durable, decorative outdoor applications. Note de contenu : - Pre-treatment of WPC
- Water-based 2K-PU and UV lacquers
- Tests before weathering
- Double-bond conversion
- Results of natural weathering
- Hydro-2K-PU coatings after 84 months exposure
- UV coatings after 84 months exposure
- Table 1 : Physical characteristics of the binders investigated
- Table 2 : Conversion of double bonds in % by IR-spectroscopy at 812 cm-1 as a function of pigmentation
- Table 3 : Colour and gloss values of hydro-UV-1 and hydro-UV-2 as a function of weathering time and RAL colour shadeEn ligne : https://drive.google.com/file/d/1CUvz3DR-kjfPGLnwNG6LYAU1VQeyRSFU/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38739
in EUROPEAN COATINGS JOURNAL (ECJ) > (01-02/2023) . - p. 50-54[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23833 - Périodique Bibliothèque principale Documentaires Disponible 23831 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Defoamer - a critical view : Waterbased paints - 58 Type de document : texte imprimé Auteurs : M. Veeramani, Auteur Année de publication : 2019 Article en page(s) : p. 96-100 Langues : Anglais (eng) Catégories : Antimousse
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.6 Peintures Résumé : In this series of critical analysis of various additives, so far we have covered dispersants and wetting & surfactants. We now move on to the next important additive called defoamer. One might find that some repetitions of certain portions of the earlier write up, but they are further elabored here. Moreover it will help the reader for better continuity and understanding the concept better. Note de contenu : - DEFOAMING BY ADDITIVES
- CLASSIFICATION : Oil based defoamers - Powder defoamers - Water based defoamers - Silicone based defoamers - EO/PO based defoamers - Alkyl polyacrylates
- Fig. 1 : Drying of foam bubble (drainage effect)
- Fig. 2 : Stabilisation of foam bubble by surfactants
- Fig. 3 : Penetration of defoamer into the lamella of the foam bubble
- Fig. 4 : Effect of hydrophobic solid particlesEn ligne : https://drive.google.com/file/d/1YROImmImckhuRBjdNziaSP8051QFdmiN/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33630
in PAINTINDIA > Vol. LXIX, N° 10 (10/2019) . - p. 96-100[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21459 - Périodique Bibliothèque principale Documentaires Disponible Defoamer selection in waterborne coatings / Robin A. Reinhardt in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 70, N° 885 (10/1998)
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Titre : Defoamer selection in waterborne coatings Type de document : texte imprimé Auteurs : Robin A. Reinhardt, Auteur ; Wernfried Heilen, Auteur ; Ellen Walhorn, Auteur ; Stefan Silber, Auteur ; Jay W. Adams, Auteur Année de publication : 1998 Article en page(s) : p. 157-160 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antimousse
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : Waterborne coatings systems differ from solventborne systems in a number of ways. One key difference is the fact that water displays a high surface tension, which must be lowered to allow spreading over low-energy substrates. But solving this problem often leads to another problem: the surfactants used to lower surface tension tend to stabilize foam. This foam, in turn, must be destabilized during manufacture and application through the use ofa defoamer. Choosing the proper defoamer for any given system has always been a matter of empirical selection. But today, new methods of analysis can help with that selection process. This article presents new and existing research in the areas offoam control and defoamer selection that can help minimize the amount of empirical work needed. Note de contenu : - FOAM CONTROL
- CAUSES OF FOAM
- DEFOAMER CHEMISTRY FOR AQUEOUS SYSTEMS : Active substances - Surface-active agents - Carrier fluids
- FACTORS THAT INFLUENCE DEFOAMER SELECTION
- WHAT DETERMINES DEFOAMER EFFICIENCY
- DEFOAMER INCORPORATION
- TEST METHODS
- DEFOAMER EMULSIONS VERSUS COMPOUNDS
- DEFOAMER PERSISTENCE AND STORAGE STABILITYPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18046
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 70, N° 885 (10/1998) . - p. 157-160[article]Réservation
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