From waste to wall / Simon Austin in EUROPEAN COATINGS JOURNAL (ECJ), N° 3 (03/2017)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 3 (03/2017) . - p. 110-114 Titre : From waste to wall : Sustainable monomer improves performance of emulsion binders Type de document : texte imprimé Auteurs : Simon Austin, Auteur ; Bob Foster, Auteur ; Martin Conrads, Auteur Année de publication : 2017 Article en page(s) : p. 110-114 Langues : Anglais (eng) Catégories : Acrylates Les monomères acrylates sont un groupe d'esters faisant partie des vinyles, car renfermant une double liaison carbone-carbone et sont utilisés pour former des polyacryliques qui ont de multiples usages. Chimie écologique Copolymère acrylique acétate de vinyle Copolymère styrène acrylique Liants Monomères Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs Index. décimale : 667.9 Revêtements et enduits Résumé : A new bio-based monomer, 2-octyl acrylate, has been derived from a waste product of the processing of castor oil in alkyd manufacture. It was substituted for n-butyl acrylate in three different types of emulsion. In all cases good polymerisation was obtained and paints showed improvements in some properties. Note de contenu : - Key requirements for 'greener' monomers - New monomer is derived from waste bio-product - Basic of the comparative study - Satisfactory polymerisation readily obtained - Paint test results summarised - Satisfactory performance in styrene acrylic copolymer - Monomer is also effective in pure acrylic copolymer - Good performance obtained, reasonable cost predicted - FIGURES : 1. Production of 2-octyl acrylate from a sustainable source - 2. Vinyl acetate/acrlic emulsion water uptake over time - 3. Styrene/acrylic water uptake over time - 4. Pure acrylic water uptake over time - TABLES : 1. Vinyl acetate/acrylic - polymer and application properties - 2. Styrene/acrylic - polymer and application properties - 3. Pure acrylic - polymer and application properties En ligne : https://drive.google.com/file/d/1dktf56Ql0iayAQ9sQ7CKN_QiVg06gnW2/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27956 [article]

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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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The green approach to more sustainable binders for wood coatings / Esra Bay in SURFACE COATINGS INTERNATIONAL, Vol. 100.6 (12/2017 - 01/2018)  

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 100.6 (12/2017 - 01/2018) . - p. 312-316 Titre : The green approach to more sustainable binders for wood coatings Type de document : texte imprimé Auteurs : Esra Bay, Auteur ; Peter Müller, Auteur ; Simon Austin, Auteur Année de publication : 2017 Article en page(s) : p. 312-316 Langues : Anglais (eng) Catégories : Bois -- Revêtements Brillance (optique) Essai Wolff-Wilborn Formulation (Génie chimique) Liants Méthacrylate d’isobornyle Opacité (optique) Polyacryliques Résistance chimique Vernis Index. décimale : 667.9 Revêtements et enduits Résumé : Recent health and environmental concerns within the European coating industry have forced formulators and manufacturers to shift from solventborne to waterborne systems over the last decade. Now, one of the newer challenges for the coatings industry is the demand for more sustainable, eco-friendly, energy efficient and greener technology. Note de contenu : - PROTOTYPE SELECTION AND DEVELOPMENT - EVALUATION OF APPLICATION PROPERTIES : Pendulum hardness development – Pencil hardness – Gloss performance at 60°C – Chemical resistance - TABLES : 1. Comparison of basic properties of the reference (prototype 1) and modified renewable prototypes – 2. Monomer properties substituted into prototype A – 3. Comparison of measured MFFT values and water uptake properties of prototype and competitor acrylic – 4. Clearcoat formulation composition – 5. Opaque white formulation composition – 6. Pencil hardness performance comparison of prototypes and reference acrylic - FIGURES : 1. Molecular structure of 2-OA monomer – 2. Molecular structure of IBOMA (isobornyl methacrylate) monomer – 3. Coalescent demand curves of prototypes and competitor acrylic – 4. Hardness development comparison of prototypes and competitor acrylic – 5. Hardness development comparison of reference acrylic and renewable prototypes in clear coat formulation – 6. Hardness development of reference acrylic and renewable prototypes in opaque white formulation – 7. Comparison of gloss performance of prototypes in clear coat and opaque white formulations (gloss levels at 60°) – 8. Chemical resistance performance in the clear coat formulation – 9. Chemical resistance performance in the opaque white formulation En ligne : https://drive.google.com/file/d/1cVaQ3tdY-E9fain6dairSh3d0tLrHCLN/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30003 [article]

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