[article]
| Titre : |
Silanes in high-solids and waterborne coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
Ming J. Chen, Auteur ; Fred D. Osterholtz, Auteur ; Eric R. Pohl, Auteur ; Philbert E. Ramdatt, Auteur ; Antonio Chaves, Auteur ; Valerie Bennett, Auteur |
| Année de publication : |
1997 |
| Article en page(s) : |
p. 43-51 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Haut extrait sec
Réticulants
Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs
Silanes
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Silanes have been used effectively in solvent-based or waterborne coatings to crosslink binder resins, increase pigment dispersion and improve end use properties, such as mar and solvent resistance and durability. A series of silylated styrene acrylic order to have been prepared and studied in order to understand the chemical and physical parameters that influence the mar resistance and weathering properties of the cured coatings. It was found that the silane content affects the indentation hardness, coefficient of friction, modulus, and toughness of the cured coatings. A relationship between these coating characteristics and mar resistance is demonstrated. In water dispersed and emulsion polymer systems, silanes maximize properties, such as adhesion and solvent resistance. Silanes are incorporated into these systems via copolymerization or post addition. Recent advances in waterborne silane technologies are discussed, including methods of improving formulation stability. |
| Note de contenu : |
- INTRODUCTION : Silanes in high-solids systems
- EXPERIMENTAL : Characteristics of silylated acrylic clearcoats - Coating tests
- RESULTS AND DISCUSSION : Tensile properties, siloxane crosslinking, and coating properties - Correlation of modulus, friction, and hardness on mar resistance of clearcoats - The influence of difunctional silane ester on clearcoats - Silanes in waterborne systems
- EXPERIMANTAL : Preparation of silylated vinyl acrylic latexes
- RESULTS AND DISCUSSION : Stable sylilated acrylic and vinyl acrylic latexes - Performance improvements of silylated emulsion polymer coatings - Effects of catalysts in the silylated vinyl acrylic systems - Siloxane crosslinkage of silylated vinyl acrylic films |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18261 |
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 870 (07/1997) . - p. 43-51
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