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Two-way benefits / Jean-Pierre Lallier in EUROPEAN COATINGS JOURNAL (ECJ), N° 07-08/2009 (07-08/2009)
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Titre : Two-way benefits : Amphiphilic amine both neutralises and aids pigment dispersion Type de document : texte imprimé Auteurs : Jean-Pierre Lallier, Auteur Année de publication : 2009 Article en page(s) : p. 26-28 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Butyl-2 Ethanolamine
Composés amphiphiles
Dispersions et suspensions
Pigments
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : A newly introduced neutralising amine for waterborne coatings, secondary-butyl ethanolamine or SBEA, has an amphiphilic structure, through which it can assist dispersants in separating and binding to pigment particles. Tests on a blue tinting base show that sBEA provedes greater pigment efficiency and better flow properties than classical amines such as DMEA. En ligne : https://drive.google.com/file/d/1i8uR-XJdhsveT5f1XWWg-Ub_jgcFOb6D/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5990
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 07-08/2009 (07-08/2009) . - p. 26-28[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 011471 - Périodique Bibliothèque principale Documentaires Disponible Unique additives for high-performance industrial protective coatings / Yong Zhang in COATINGS TECH, Vol. 20, N° 3 (05-06/2023)
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Titre : Unique additives for high-performance industrial protective coatings Type de document : texte imprimé Auteurs : Yong Zhang, Auteur ; Bridgette Hendrix, Auteur Année de publication : 2023 Article en page(s) : p. 56-62 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Epoxydes
Essais de résilience
Essais dynamiques
Polyphénoxy
Réticulants
Revêtements -- Propriétés physiques
Revêtements bi-composant
Revêtements en phase aqueuse -- Additifs
Revêtements organiques
Revêtements protecteurs
ZincIndex. décimale : 667.9 Revêtements et enduits Résumé : Two-component (2K) epoxy coatings have long been used for industrial protective applications due to their excellent adhesion to a wide range of substrates, superior chemical resistance, and good mechanical properties.1 Today, those in the industry who are looking for innovations that can boost coating performance heavily prioritize high performance and productivity in particular.
Their main goal is to extend coating life service time and use the fewest coating layers possible. Additives, or performance boosters, are commonly used for this purpose in a formulation. One example of an additive is tougheners, which are used in many high-performance industrial protective coatings to improve their toughness, flexibility, adhesion, and long-term performance.
Phenoxy resins are unique polymerbased additives that have become available to formulators. Phenoxy resins are the product of bisphenol A and epichlorohydrin, with the epoxide ring opened. They are a tough and ductile thermoplastic material with high cohesive strength and good impact resistance. The backbone ether linkages and pendant hydroxyl groups promote wetting and bonding to polar substrates and fillers. The typical phenoxy resin structure is shown in Figure 1.
The structure of the phenoxy resin is a polyhydroxyether with terminal alphaglycol groups. Weight-average molecular weights range from approximately 25,000 to above 60,000, with n ranging from 30 to above 60. This long chain linear polyhydroxylether structure allows for excellent adhesion, impact and abrasion resistance, flexibility, and chemical resistance in coating applications.
Phenoxy resins are soluble in a variety of materials, including ketones, glycol ethers, and glycol ether esters. This article discusses the use of a phenoxy solvent solution, in a solventborne zinc-rich primer formulation. A performance comparison with a commercially available zinc-rich primer will also be discussed, specifically comparing adhesion, dry time, hardness, impact resistance, and salt spray corrosion resistance.Note de contenu : - RAW MATERIALS AND TESTING PANEL PREPARATION
- TESTING PROCEDURE : Dry time - Cross-hatch adhesion - König hardness - Mandrel bend flexibility - Impact resistance
- Fig. 1 : Phenoxy resin structure
- Table 1 : Physical properties of the control
- Table 2 : Physical properties of the phenoxy resin PKA
- Table 3 : Waterborne phenoxy-modified in 2K waterborne zinc-rich primer formula : a. Epoxy resin component - b. Curing agent componentEn ligne : https://drive.google.com/file/d/1HRUD5_KJug_0FmEN6WqqQhyWagavtJBq/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39425
in COATINGS TECH > Vol. 20, N° 3 (05-06/2023) . - p. 56-62[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24067 - Périodique Bibliothèque principale Documentaires Disponible UV-curable waterborne epoxy acrylate coating modified by monomethacryloyloxy-terminated fluorinated oligomer / Hongyi Shi in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 5 (09/2019)
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Titre : UV-curable waterborne epoxy acrylate coating modified by monomethacryloyloxy-terminated fluorinated oligomer Type de document : texte imprimé Auteurs : Hongyi Shi, Auteur ; Weiqu Liu, Auteur ; Chunhua Liu, Auteur ; Sha He, Auteur ; Chi Jiang, Auteur ; Zhengfang Wang, Auteur Année de publication : 2019 Article en page(s) : p. 1305-1316 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Copolymère époxy acrylate
Emulsifiants
Energie de surface
Fluoropolymères
Oligomères
Polymères en émulsion
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Monomethacryloyloxy-terminated fluorinated oligomers (PPFOMA-GMA and PHFBMA-GMA) and methyl allyl alcohol polyoxyethylene ether-modified epoxy resin (HPEGEA) were successfully synthesized and used as reactive additives and emulsifier for epoxy acrylate, respectively. FTIR, 1H NMR, and GPC were used to characterize the structures of PPFOMA-GMA, PHFBMA-GMA, and HPEGEA. The influence of the concentrations of PPFOMA-GMA and PHFBMA-GMA on the properties of waterborne epoxy acrylate (WEA) resin coatings was investigated. The surface energy of waterborne epoxy acrylate coating was decreased from 38.20 mN/m to 15.31 mN/m by adding just 0.21 wt% PPFOMA-GMA, indicating its high effectiveness in improving the hydrophobic properties of the surface. The surface compositions of the WEA resin coatings (with 0.85 wt% PPFOMA-GMA or 0.85 wt% PHFBMA-GMA) were characterized by XPS. The XPS results confirmed the quantitative enrichment of fluorine atoms on the surface. What is more, the physical properties of waterborne epoxy acrylate coatings prepared with different concentrations of fluorinated reactive additive, such as optical transmittance, adhesion (on glass, PET, and tinplate), pencil hardness, water absorption, and thermal properties, were also analyzed in detail. Hence, the waterborne epoxy acrylate coatings prepared with low concentrations of reactive additives were economical and have potential for large-scale industrial applications. Note de contenu : - EXPERIMENTAL : Materials -Synthesis of PPFOMA-GMA and PHFBMA-GMA - Synthesis of EA and HEPGEA - Preparation of UV-curable waterborne epoxy acrylate - Preparation of UV-curable waterborne epoxy acrylate coatings - Characterization
- RESULT AND DISCUSSION : Chracterization of PHFBMA-GMA and PPFOMA-GMA, and HPEGEA - Surface properties of F0, F1, F2, F3, and F4 coating - Surface compositions of F1, F2, F3, and F4 coating - Pencil hardness, adhesion, and water absorption of F1, F2, F3, and F4 coating - Thermal properties of F1, F2, F3, and F4 coating - Optical properties of F1, F2, F3, and F4 coatingDOI : 10.1007/s11998-019-00209-2 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-019-00209-2.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33013
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 5 (09/2019) . - p. 1305-1316[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21154 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : UV protection of water-borne coatings : Benefits of concentrated soft shell-and an OH-functional copolymerisable-UV absorbers Type de document : texte imprimé Auteurs : George Mauer, Auteur ; Mark Cheng, Auteur ; Franz Wu, Auteur ; Kimi Chen, Auteur ; Allen Wu, Auteur Année de publication : 2023 Article en page(s) : p. 24-30 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Absorbeurs de rayonnement ultraviolet
Additifs anti rayonnement ultraviolet
Benzotriazole
Revêtements en phase aqueuse -- Additifs
Stabilisants (chimie)Index. décimale : 667.9 Revêtements et enduits Résumé : Highly concentrated, emulsified UV stabilisers can have advantages over conventional UVAs and HALS in water-borne coatings. For wood coatings, the advantages can be further enhanced with the new synergistic blend EXP-UVS-5841, and otherwise, more robust durability can be achieved using the bis hydroxy copolymerisable UVA, BTZ-Rx. These illustrate how the coatings industry continues progress towards more environmentally advantaged materials, while maintaining or improving coatings performance. Note de contenu : - Advances in water-borne light stabilisation
- Advances in UV protection of coated wood products
- Copolymerisable benzotriazole UVA for migration elimination and improved permanence
- A novel strategy for the protection of UV sensitive porous substrates like wood
- Colour retention study comparing various UVA optionsEn ligne : https://drive.google.com/file/d/18IxULVtf0La25X4gtOcFZvUPF1bjtru9/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39810
in EUROPEAN COATINGS JOURNAL (ECJ) > (09/2023) . - p. 24-30[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24190 - Périodique Bibliothèque principale Documentaires Disponible Versatile chemistry for improved heurs / Pol Storme in EUROPEAN COATINGS JOURNAL (ECJ), N° 10 (10/2015)
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Titre : Versatile chemistry for improved heurs : A new generation of water-based associative rheology modifiers show performance gains Type de document : texte imprimé Auteurs : Pol Storme, Auteur ; Inge De Preter, Auteur ; John J. Rabasco, Auteur ; Daniel A. Saucy, Auteur ; Tara Conley, Auteur ; Jihui Guo, Auteur Année de publication : 2015 Article en page(s) : p. 38-45 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Epaississants
Opacifiants
Polyuréthane éthoxylé modifié de façon hydrophobe
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs
Rhéologie
ViscositéIndex. décimale : 667.9 Revêtements et enduits Résumé : A technology termed "Acid Supression" allows efficient HEUR rheology modifiers to be supplied at high solids content, without the use of solvents or surfactants. This also allows different polymer structures to be created, which show a range of performance benefits. Note de contenu : - The problems of heur supply viscosity
- Different solutions to high supply viscosity issues
- Performance benefits of the new heurs
- Highly efficient mid-shear products
- Improved tinting and sag/levelling balance
- Hiding power improved in practical application
- Stable viscosity is attained more rapidly
- High shear viscosity obtained with less syneresis
- Aversatile technology with tailored productsEn ligne : https://drive.google.com/file/d/1GBHd0FAC_e-ouLZgdkO-FBbwweu9HJZM/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24705
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 10 (10/2015) . - p. 38-45[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 17518 - Périodique Bibliothèque principale Documentaires Disponible PermalinkPermalinkWater-based resin technology with stain-blocking properties / Carolin Wallenhorst in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4625 (10/2016)
PermalinkWater soluble stoving coating compositions from maleopimaric acid modified epoxy resins / U. S. Mishra in PAINTINDIA, Vol. XLVII, N° 10 (10/1997)
PermalinkWater trafficable coatings / Thomas Stingl in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 195, N° 4492 (09/2005)
PermalinkWaterborne coatings based on acrylic latex containing nanostructured ZnO as an active additive / Martina Dankova in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 2 (03/2020)
PermalinkPermalinkWaterborne rheology modifiers : Improving thickening efficiency / M. Veeramani in PAINTINDIA, Vol. LXXII, N° 9 (09/2022)
PermalinkWax additives - true multi-talents / Michael Bilger in EUROPEAN COATINGS JOURNAL (ECJ), N° 7-8 (07-08/2022)
PermalinkPermalinkPermalinkZinc-free and aqueous / Rosemaria Grasböck in EUROPEAN COATINGS JOURNAL (ECJ), N° 03/2008 (03/2008)
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