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Innovative, gemini-type molecular defoamer technology for improved coating aesthetics / Ernie C. Galgoci in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 3, N° 1 (01/2006)
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Titre : Innovative, gemini-type molecular defoamer technology for improved coating aesthetics Type de document : texte imprimé Auteurs : Ernie C. Galgoci, Auteur ; Steven Y. Chan, Auteur ; Khalil Yacoub, Auteur Année de publication : 2006 Article en page(s) : p. 77-85 Note générale : Bibliogr. Langues : Américain (ame) Tags : Agent surface gemini Etude expérimentale Relation formulation propriété Démoussage Evaluation performance Diol Composé acétylénique non ionique Antimoussant Additif Peinture eau Matériau revêtement Index. décimale : 667.9 Revêtements et enduits Résumé : The use of conventional surfactants and defoamers in waterbome coatings can often create an undesirable cycle, whereby each imparts a negative effect that requires the other to solve. Molecular defoamers represent a novelclass of defoamers that break foam on a molecular level, which is unlike conventional defoamers that utilize macroscopic physical incompatibility within a coating formulation. This is accomplished by the ability of the molecular defoamer to adsorb at the air-water interface of a foam bubble and, thereby, displace some of the surfactants that stabilize the foam. Based on a fundamental understanding of the effects of basic adsorption parameters, innovative nonsilicone molecular defoamers were developed that provide long-term foam control, effectively reduce both surface tension and foam in a variety of emulsion polymers, and decrease significantly the level of defects in waterbome coating applications. A synergistic performance benefit was obtained when these molecular defoamers were used in combination in an acrylic, industrial maintenance formulation. DOI : 10.1007/s11998-006-0008-3 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-006-0008-3.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3723
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 3, N° 1 (01/2006) . - p. 77-85[article]Réservation
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