DISSOLVABLE AQUEOUS GELS WITH HIGH CHELANT LOADING
Described are aqueous gel compositions for forming a chelant gel, comprising from 4 wt. % to 60 wt. % chelating agent selected from at least one of Ethylenediaminetetraacetic acid, Glutamic acid N,N-Diacetic acid, Methylglycinediacetic acid, and Nitrilotriacetic acid, 2 to 8 wt. % of a gel forming c...
Gespeichert in:
Hauptverfasser: | , , |
---|---|
Format: | Patent |
Sprache: | eng ; fre ; ger |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | Described are aqueous gel compositions for forming a chelant gel, comprising from 4 wt. % to 60 wt. % chelating agent selected from at least one of Ethylenediaminetetraacetic acid, Glutamic acid N,N-Diacetic acid, Methylglycinediacetic acid, and Nitrilotriacetic acid, 2 to 8 wt. % of a gel forming component, comprising a) carboxy methylcellulose, or b) a mixture comprising an ionic or acidic polysaccharide, a dispersible clay, and polyvinyl alcohol; and from 0.01 to 10 wt. % of a salt; provided that the chelant gel is at least partially dissolvable in water. |
---|