Chitosan-hybridized acrylic resins prepared in emulsion polymerizations and their application as interior finishing coatings / Tamaki Wada in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 2, N° 7 (07/2005)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 2, N° 7 (07/2005) . - p. 577-582 Titre : Chitosan-hybridized acrylic resins prepared in emulsion polymerizations and their application as interior finishing coatings Type de document : texte imprimé Auteurs : Tamaki Wada, Auteur ; Yasuhiro Matoba, Auteur ; Tadashi Uragami, Auteur Année de publication : 2005 Article en page(s) : p. 577-582 Note générale : Bibliogr. Langues : Américain (ame) Tags : Oside  polymère  Etude  expérimentale  Formaldéhyde  Composé  organique  volatil  Capacité  adsorption  Propriété  mécanique  Latex  Relation  mise  en  oeuvre  propriété  Résistance  traction  Copolymérisation  radicalaire  esthétique  émulsion  Préparation  Matériau  revêtement  Vernis  eau  Acrylique  dérivé  copolymère  Mélange  Chitosane Index. décimale : 667.9 Revêtements et enduits Résumé : Chitosan was used to introduce formaldehyde adsorption abilities into an emulsion binder for interior finishing coatings. Chitosan-hybridized acrylic emulsions were prepared by two methods. To produce stable chitosan-hybridized acrylic emulsions, the pre-emulsion dropping method is superior to the monomer dropping method. The adsorption performances for formaldehyde in chitosan-hybridized acrylic resin films increased with increasing chitosan contents; the films also had adsorption abilities for hydrogen sulfide and ammonia. Tensile strengths and elongation at breaking points decreased with increasing chitosan contents. Interior finishing coatings made from chitosan-hybridized acrylic resin emulsions have the qualities necessary for an interior finishing coating and showed excellent adsorption abilities for formaldehyde. DOI : 10.1007/s11998-005-0017-7 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-005-0017-7.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3805 [article]

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Preparation and characteristics of a waterborne preventive stain coating material with organic- inorganic composites / Tamaki Wada in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 3, N° 4 (10/2006)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 3, N° 4 (10/2006) . - p. 267-274 Titre : Preparation and characteristics of a waterborne preventive stain coating material with organic- inorganic composites Type de document : texte imprimé Auteurs : Tamaki Wada, Auteur ; Tadashi Uragami, Auteur Année de publication : 2006 Article en page(s) : p. 267-274 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Copolymères Polyaddition Résistance aux taches Revêtements (produits chimiques):Peinture (produits chimiques) Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques Revêtements en phase aqueuse:Peinture en phase aqueuse Tags : 'Polycyclohexane  dicarboxylate'  Copolymère  Polyester  'Propriété  chimique'  'Résistance  Solvant  Polyadipate  Polyisophtalate  Acide  mécanique'  Polyaddition  'Copolymère  ester  uréthane' Index. décimale : 667.9 Revêtements et enduits Résumé : With the goal of developing a waterborne coating material that prevents staining, organic-inorganic composites prepared from colloidal silica and two types of acrylic resin emulsions were investigated as exterior coatings. Conventional acrylic resin emulsion and organic silane hybridized acrylic resin emulsion prepared by emulsion polymerization were mixed with colloidal silica to form organic-inorganic composite films. The addition of colloidal silica to emulsions yielded films with higher hydrophilkities, as indicated by lower water contact angles for these films in comparison to films without colloidal silica. The water contact angles of organic silane hybridized acrylic resin emulsion/colloidal silica films were lower than those of acrylic resin emulsion/colloidal silica films. Composite films containing colloidal silica particles smaller than 100 nm in diameter showed high hydrophilicities. Observations of the dispersed state of colloidal silica particles in organic-inorganic composite films by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) demonstrated that colloidal silica particles were densely aggregated on the film surface. Outdoor exposure tests of the coating materials prepared from organic silane hybridized acrylic resin and colloidal silica particles with diameters of 7.5 nm showed excellent stain resistance. DOI : 10.1007/s11998-006-0022-5 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-006-0022-5.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3679 [article]

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