Growing monomer appeal / Esra Bay in EUROPEAN COATINGS JOURNAL (ECJ), N° 9 (09/2017)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 9 (09/2017) . - p. 32-38 Titre : Growing monomer appeal : Developing more sustainable binders for wood coatings Type de document : texte imprimé Auteurs : Esra Bay, Auteur ; Peter Mueller, Auteur ; Simon Austin, Auteur Année de publication : 2017 Article en page(s) : p. 32-38 Langues : Anglais (eng) Catégories : Auto-réticulation Bois -- Vernis Chimie écologique Dispersions et suspensions Formulation (Génie chimique) Monomères Polyacryliques Résistance chimique Vernis en phase aqueuse Index. décimale : 667.7 Cires, laques, vernis Résumé : Two 'renewable' monomers were evaluated as replacements for standard monomers in a self-crosslinking core-shell acrylic dispersion resin. The substituted materials polymerised without problems. Properties of clear and white industrial wood finishes were compared with those of a reference acrylic dispersion. Note de contenu : - The evolution of greener binders - Green variations on a waterborne acrylic dispersion - How the substitutions affected MFFT and hardness - Evaluation of formulated coating properties - Chemical resistance is slightly reduced overall - Good results achieved, further optimisation desirable - FIGURES : 1. Structure of IBOMA (Isobornyl methacrylate) monomer and 2-OA (2-octyle acrylate) monomer - 2. Coalescent demand comparison of prototypes and reference acrylic (200 µm wet film thickness) - 3. Hardness development comparison of prototypes and Competitor Acrylic (200 µm wet film thickness, polymer and coalescent only) - 4. Gloss performance in clear coat and opaque white formulations - 5. Hardness development in clear coat formulation (200 µm wet film thickness) - 6. Hardness development of reference acrylic and renewable prototypes in opaque white formulation ( 200 µm wet film thickness) - 7. Chemical resistance in clear coat formulation (based on 2 x 200 µm wet film thickness) - 8. Chemical resistance in opaque white formulation (based on 2 x 200 µm wet film thickness) - TABLES : 1. Properties of the monomers used - 2. Comparison of basic properties of reference acrylic and derived prototypes - 3. Comparison of measured MFFT values and water uptake properties of prototypes and competitor acrylic - 4. Formulations of clear coat and opaque white woodfinishes - 5. Pencil hardness comparison of reference acrylic and prototype based on 200 µm wet film thickness on glass En ligne : https://drive.google.com/file/d/1LCd-teHyB8N-ybr-DQmdVMRXGAl6L2GW/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29035 [article]

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