Preparation of waterborne silane/titanium chelates composition
A stable aqueous solution of a silane/titanium chelate is prepared by (a) forming a mixture in alcoholic solution of bis-hydroxyethylaminopropyltriethoxysilane and a titanium chelate selected from the group consisting of titanium acetylacetonate, triethanolamine titanate and butyltitanate monomer; (...
Gespeichert in:
Hauptverfasser: | , , , , , |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | A stable aqueous solution of a silane/titanium chelate is prepared by (a) forming a mixture in alcoholic solution of bis-hydroxyethylaminopropyltriethoxysilane and a titanium chelate selected from the group consisting of titanium acetylacetonate, triethanolamine titanate and butyltitanate monomer; (b) adding water to the mixture of step (a) in a quantity sufficient to effect the hydrolysis of the silane; (c) completing the silane hydrolysis reaction; and (d) removing the alcohol from the solution. The end product can be diluted further with water to provide a commercial formulation that is substantially free of VOC and has a shelf like of at least six months. The aqueous solution of the silane/titanium chelate can also include an organofunctional silane. |
---|