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[article]
Titre : Dispersion principles you should know Type de document : texte imprimé Auteurs : M. Veeramani, Auteur Année de publication : 2023 Article en page(s) : p. 113-115 Langues : Anglais (eng) Catégories : Agents dispersants (chimie)
Agents mouillants
Dispersions et suspensions
Pigments
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.6 Peintures Résumé : It takes great pleasure to inform the readers that this is my 105th chapter. I am trying to touch upon many topics under the Water Based Paints, in addition I am dealing with some fringe topics that has relevant to the core subject. I will try to cover as much as possible to give enough information to the readers especially from the Small-Scale Sector. En ligne : https://drive.google.com/file/d/1JXtETuCQjC0Nps253hcpnMWEOmNBGO3F/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40400
in PAINTINDIA > Vol. LXXIII, N° 9 (09/2023) . - p. 113-115[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24287 - Périodique Bibliothèque principale Documentaires Disponible Dispersion : principles you should know : Selecting the right dispersant / M. Veeramani in PAINTINDIA, Vol. LXXXIII, N° 11 (11/2023)
[article]
Titre : Dispersion : principles you should know : Selecting the right dispersant Type de document : texte imprimé Auteurs : M. Veeramani, Auteur Année de publication : 2023 Article en page(s) : p. 109-111 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Agents dispersants (chimie)
Revêtements (produits chimiques):Peinture (produits chimiques)
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.6 Peintures Résumé : It takes great pleasure to inform the readers that this is my 107th chapter. I am trying to touch upon many topics under the Water Based Paints, in addition I am dealing with some fringe topics that has relevant to the core subject. I will try to cover as much as possible to give enough information to the readers especially from the Small-scale sector. Note de contenu : - Determining the best dispersant level En ligne : https://drive.google.com/file/d/1jTw8T_kedVAx-tiBIsIAwZ6VU3dC6iOp/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40732
in PAINTINDIA > Vol. LXXXIII, N° 11 (11/2023) . - p. 109-111[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24516 - Périodique Bibliothèque principale Documentaires Disponible Dispersion stability of titanium dioxide in aqueous isopropanol with polymer dispersant / Wei Liu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 4 (07/2020)
[article]
Titre : Dispersion stability of titanium dioxide in aqueous isopropanol with polymer dispersant Type de document : texte imprimé Auteurs : Wei Liu, Auteur ; Geng Yue, Auteur ; Pang Hongjian, Auteur ; Chu Hongying, Auteur Année de publication : 2020 Article en page(s) : p. 1083-1090 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Agents dispersants (chimie)
Dioxyde de titane
IsopropanolL'isopropanol ou alcool isopropylique est le nom commun pour le propan-2-ol, composé chimique sans couleur et inflammable dont la formule chimique est CH3CH(OH)-CH3. C'est l'un des deux isomères du propanol (l'autre étant le propan-1-ol). Il est aussi connu sous son nom abrégé IPA (acronyme de l'anglais IsoPropyl Alcohol). Il est obtenu à partir de la réduction de l'acétone par le tétrahydruroborate de sodium.
Un autre procédé de fabrication consiste en une hydratation indirecte du propylène par l'acide sulfurique à 70 %, suivie d'une hydrolyse qui conduit à l'isopropanol.
Polyacrylate de sodium
Polyesters
Potentiel zeta
Revêtements en phase aqueuse -- Additifs
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Two polymer dispersants, polyester dispersant (PD) and sodium polyacrylate (NaPAA), were used to disperse titanium dioxide in 10% aqueous isopropyl alcohol (IPA). The effect of pH and zeta potential on the dispersibility of the titanium dioxide (TiO2) was studied via sedimentation. An optimum pH value of 8 for the two polymer dispersants in aqueous IPA suspension was found. The isoelectric point of the TiO2 particles was at pH 5.1 and pH 5.3 and shifted to lower pH in the presence of PD or NaPAA, with a greater decrease in zeta potential for the NaPAA suspension (− 36.5 to − 64.1 mV) due to the high degree of ionization compared with PD (− 36.5 to − 60.6 mV). The conformations of PD and NaPAA were strongly pH dependent: Their adsorption was highest at low pH and lowest at high pH, with the maximum adsorption of PD and NaPAA being 44.0 and 39.2 mg g−1 at pH 3, respectively. It was shown that the stability of the suspensions was not only dependent on the pH but also on the zeta potential and molecular structure of the dispersant. Note de contenu : - EXPERIMENTAL : Materials - Suspension preparation - Sedimentation measurements - Zeta-potential measurements - Adsorption measurements
- RESULTS AND DISCUSSION : Effects of pH on suspension - Effects of zeta potential on suspensio - Adsorption isotherms at different pH and conformational structuresDOI : https://doi.org/10.1007/s11998-020-00323-6 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00323-6.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34394
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 4 (07/2020) . - p. 1083-1090[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21864 - Périodique Bibliothèque principale Documentaires Disponible Early rain resistance and surfactant leaching resistant binder / R. Matranga in COATINGS TECH, Vol. 15, N° 8 (08/2018)
[article]
Titre : Early rain resistance and surfactant leaching resistant binder Type de document : texte imprimé Auteurs : R. Matranga, Auteur ; B. Doran, Auteur ; Alan Fream, Auteur ; Christophe Baude, Auteur ; E. Bousseau, Auteur ; Maurille Secher, Auteur Année de publication : 2018 Article en page(s) : p. 50-59 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésion
Applications extérieures
Essais dynamiques
Liants
Polyacryliques
Résistance à l'efflorescence
Résistance à l'exsudation
Résistance à l'humidité:Résistance à l'eau
Résistance à la fissuration
Résistance chimique
Revêtement mural:Peinture murale
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : The development of an effective waterborne technology for exterior paints has become a significant challenge in the architectural coatings market due to the growing expectations of end users (total cost of ownership), diversification of materials used for exterior walls and siding, and the continuous trend towards VOC reduction. This article describes a new product based on our company's Low Exudation Binder (LEB) platform, designed for formulation of exterior paints, where pure acrylic binders are typically used for reasons of excellent color retention in very deep tones. The new binder possesses the advantages common to those of the LEB technology, namely very low surfactant leaching, excellent resistance to efflorescence, and long-term adhesion, and in addition, very early rain resistance, allowing the application window to be extended. Furthermore, paints formulated with the new binder have very low VOC emissions, and are in-line with all the most stringent, current environmental requirements. Note de contenu : - PROBLEMS WITH WATER-BASED MASONRY COATINGS : application and drying - Resistance to early rain - Exudation or surfactant leaching/staining - Other common problems
- POLYMER DEVELOPMENT : LEB PLATFORM : Polymer design considerations - Need for pure acrylic version of LEB
- EXPERIMENTAL : TEST METHODS : The nature of exudates from water-based paints - Exudation resistance (evaluation of leaching of surfactants and water-soluble components) - Efflorescence resistance - Shower test (evaluation of resistance to early rain) - Q-UV exposure and exterior weathering - Adhesion - Resistance to mud-cracking - Crack test on wood
- RESULTS AND DISCUSSION : Analysis of exudates from water-based paints -
- APPLICATION OF PF-LEB IN EXTERIOR COATINGS
- ASSESSMENT OF LEB WHITE W2 AND LEB DEEP DE PERFORMANCE : Exudation resistance - Efflorescence resistance - Shower resistance - Accelerated durability - Adhesion - Mud-crack resistance - Crack test on wood
- Fig. 1 : Optimum application conditions
- Fig. 2 : Chromatogram of exudates from standard acrylic based facade paint and same formulation based on the PA-LEB
- Fig. 3 : Exudation resistance of white and blue tinted paints
- Fig. 4 : Efflorescence resistance on white and deep bases
- Fig. 5 : Panels with white bases before and after shower test
- Fig. 6 : Panels with deep bases before and after shower test
- Fig. 7 : Results of Q-UV exposure
- Fig. 8 : Resistance to mu-cracking
- Fig. 9 : Results of crack test on wood
- Table 1 : Typical characteristics of New PA-LEB
- Table 2 : Formulation and characteristics of LEB white W2 and LEB deep D2 for exterior flat
- Table 3 : Characteristics of exterior flat paints evaluated in the benchmarking study
- Table 4 : Adhesion to non-porous substratesEn ligne : https://drive.google.com/file/d/1HRRsX_HEcUkmNT0ZxBEUo8tc4NLrFIdt/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31271
in COATINGS TECH > Vol. 15, N° 8 (08/2018) . - p. 50-59[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20271 - Périodique Bibliothèque principale Documentaires Disponible Effect of microencapsulated ammonium polyphosphate on the durability and fire resistance of waterborne intumescent fire-retardant coatings / Zhitian Liu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 1 (01/2019)
[article]
Titre : Effect of microencapsulated ammonium polyphosphate on the durability and fire resistance of waterborne intumescent fire-retardant coatings Type de document : texte imprimé Auteurs : Zhitian Liu, Auteur ; Mengqin Dai, Auteur ; Qinghua Hu ; Shi Liu ; Xiang Gao ; Fan Ren ; Qi Zhang Année de publication : 2019 Article en page(s) : p. 135-145 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Durée de vie (Ingénierie)
Encapsulation
IgnifugeantsComposé chimique utilisé pour réduire l'inflammabilité. Il peut être incorporé au produit durant sa fabrication ou appliqué ultérieurement à sa surface.
Polyphosphate d'ammonium
Revêtements en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : Large-scale addition of hydrophilic solid filler (i.e., ammonium polyphosphate) into waterborne intumescent fire-retardant coatings can cause many problems such as poor compatibility, easy absorption of moisture, and poor durability. In this work, microencapsulated ammonium polyphosphate with melamine formaldehyde resin (MFAPP) was prepared and applied in intumescent fire-retardant coatings to solve the problems mentioned. Due to the hydrophobicity of melamine formaldehyde (MF) resin, MFAPP exhibited better water resistance, thermal stability, and compatibility with polymer matrix, which was confirmed by Fourier transform infrared spectra, scanning electron microscopy (SEM), particle size test, water solubility, water contact angle, and thermogravimetric analysis (TGA). The effect of the MFAPP on durability and fire resistance of the fire-retardant coatings test were investigated by the static immersion test, fire resistance test, TGA, and SEM. Even immersed in distilled water for 12 h, the coatings containing MFAPP did not show obvious damage, indicating microencapsulation improved the water resistance of coatings. Furthermore, the fire-resistant time and thermal stability of the waterborne intumescent fire-retardant coatings were also improved remarkably by utilizing the microencapsulation of ammonium polyphosphate. Note de contenu : - EXPERIMENTAL : Materials - Preparation of samples - Fourier transform infrared (FTIR) spectra - The particle size and distribution of MFAPP and APP - Scanning electron microscopy (SEM) - Solubility in water of MFAPP and APP - Contact angle analysis - The static immersion test - Fire resistance test - Thermogravimetric analysis (TGA)
- RESULTS AND DISCUSSION : Characterization of MFAPP - Fire resistance of the coatings - Thermal properties of MFAPP and fire-retardant coating containing MFAPP - Hydrophobicity of MFAPP and coating - Fire protection and thermal properties of coatings after the static immersion test
- Table 1 : The formulation of the intumescent fire-retardant coatingsDOI : 10.1007/s11998-018-0108-x En ligne : https://link.springer.com/article/10.1007/s11998-018-0108-x Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31977
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 1 (01/2019) . - p. 135-145[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20659 - Périodique Bibliothèque principale Documentaires Disponible Effect of particle size of extenders in water based paints - a critical view / M. Veeramani in PAINTINDIA, Vol. LXIX, N° 11 (11/2019)
PermalinkEffect of structure-controlled aluminum silicate nanofiller on surface properties of emulsion coating films / Fumihiko Ohashi in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 19, N° 1 (01/2022)
PermalinkEffective functional additives for low-zero VOC coating formulations / Ayaz Khan in DOUBLE LIAISON, N° 600 (09/2014)
PermalinkPermalinkEfficacy of in can preservatives / Karen Winkowski in EUROPEAN COATINGS JOURNAL (ECJ), N° 1-2/01 (01-02/2001)
PermalinkEfficiency of surfactants in pigment dispersion / Pournima Abhijit Salve in PAINTINDIA, Vol. LXVII, N° 9 (09/2017)
Permalink"Efflorescence" - Substrate wetting additives make a difference / Adamali Motiwala in PAINTINDIA, Vol. LXVI, N° 10 (10/2016)
PermalinkPermalinkEmulsifying agents for alkyd emulsion - Part one / Silmar Balsamo Barrios in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4626 (11/2016)
PermalinkPermalinkEnabling safer and more sustainable performance coatings and binders / John Friddle in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 210, N° 4661 (05/2020)
PermalinkPermalinkEnvironment-friendly cold-curing epoxy systems / Bernd Neffgen in EUROPEAN COATINGS JOURNAL (ECJ), N° 10/96 (10/1996)
PermalinkEnvironmental performance of waterborne and solventborne alkyd enamels / Juliane Pereira Santos in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4627 (12/2016)
PermalinkEpoxy hardeners for low-emission floorings / Christina Cron in EUROPEAN COATINGS JOURNAL (ECJ), (11/2023)
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