Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups

The present invention relates to alkylhydroxyalkyl cellulose ethers characterised in that they contain, as further substituents, a sulphoalkyl group, to a process for the preparation of these cellulose ethers, and to building material mixtures based on gypsum, hydrated lime (lime hydrate) or cement...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	REINHARD DONGES, UWE BARTZ, HEINER KLEHR
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DERIVATIVES THEREOF LIME, MAGNESIA METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The present invention relates to alkylhydroxyalkyl cellulose ethers characterised in that they contain, as further substituents, a sulphoalkyl group, to a process for the preparation of these cellulose ethers, and to building material mixtures based on gypsum, hydrated lime (lime hydrate) or cement and containing alkylhydroxyalkyl cellulose ethers containing sulphoalkyl groups.