SURFACTANT COMPOSITION FOR USE IN GYPSUM WALLBOARD MANUFACTURE

SURFACTANT COMPOSITION FOR USE IN GYPSUM WALLBOARD MANUFACTURE

A gypsum composition including calcined gypsum, water, and a foaming agent composition which comprises at least one betaine, either alone or in combination with at least one alkyl sulfate and/or at least one alkyl ether sulfate, is disclosed. The gypsum composition can be used to prepare foamed gyps...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIROUS, BRIAN K, KALTENBACH, JARROD, MUNIE, LAWRENCE, BEDDAOUI, MARY
Format: Patent
Sprache:eng ; fre
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A gypsum composition including calcined gypsum, water, and a foaming agent composition which comprises at least one betaine, either alone or in combination with at least one alkyl sulfate and/or at least one alkyl ether sulfate, is disclosed. The gypsum composition can be used to prepare foamed gypsum wallboard. L'invention concerne une composition de gypse comprenant du gypse calciné, de l'eau et une composition d'agent moussant qui comprend au moins une bétaïne, seule ou en combinaison avec au moins un sulfate d'alkyle et/ou au moins un éthersulfate d'alkyle. La composition de gypse peut être utilisée pour préparer un panneau mural en gypse expansé.