Influence of alcohols on stability and mechanical properties of polyacrylate coating material / Dangge Gao in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 6 (11/2015)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 12, N° 6 (11/2015) . - p. 997-1004 Titre : Influence of alcohols on stability and mechanical properties of polyacrylate coating material Type de document : texte imprimé Auteurs : Dangge Gao, Auteur ; Wenbo Zhang, Auteur ; Jianzhong Ma, Auteur ; Congmin Li, Auteur ; Jing Zhang, Auteur Année de publication : 2015 Article en page(s) : p. 997-1004 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Alcools Couches minces -- Propriétés mécaniques Couches minces -- Stabilité Latex Polyacrylates Polymères -- Propriétés mécaniques Index. décimale : 667.9 Revêtements et enduits Résumé : Alcohols such as ethanol, isopropanol, n-propanol, and ethylene glycol were introduced into waterborne polyacrylate latex to study their influence on their stability and mechanical properties of polyacrylate. Ethanol, n-propanol, isopropanol, and ethylene glycol were showed to keep the polyacrylate latex steady when the pH values were higher than 3.00, 6.00, 3.00, and 2.50, respectively, as determined by centrifugation. The latex stability vs time was studied by Turbiscan LAB and the results are in good agreement with the change of latex particle size observed by dynamic light scattering. The results indicate that the particle size was affected by the alcohol molecular structure. Alcohol amounts and type had effects on breaking strength and elongation at break of polyacrylate film to varying degrees. The latex film-forming process was measured and morphology of the latex film was observed by scanning electron microscope. Different performances of mechanical properties were caused by the morphology of latex film resulting from the forming process. Note de contenu : - EXPERIMENTAL : Materials - Synthesis of polyacrylate latex - Stability of PA incorporated with alcohols - Film preparation - Characterization - RESULTS AND DISCUSSION : Stability of PA latex - Effect of alcohol on physical properties of latex films DOI : 10.1007/s11998-015-9685-0 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9685-0.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24932 [article]

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