BORON-FREE ANTI-SAGGING ADDITIVE FOR GYPSUM BUILDING MATERIALS

The invention concerns an anti-sagging additive for producing shaped gypsum articles. The additive is boron-free and comprises L-tartaric acid and/or L-tartrates and a pH-enhancing compound. L'invention concerne un additif anti-affaissement pour la production d'articles moulés en plâtre. L...

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Bibliographische Detailangaben
Hauptverfasser:	STEINBAUER, MICHAEL, WEIGAND, DAVID, PIETSCHMANN, BERND, KOHLER, JULIANE, KOHLER, VERENA
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:	The invention concerns an anti-sagging additive for producing shaped gypsum articles. The additive is boron-free and comprises L-tartaric acid and/or L-tartrates and a pH-enhancing compound. L'invention concerne un additif anti-affaissement pour la production d'articles moulés en plâtre. L'additif est exempt de bore et comprend de l'acide L-tartrique et/ou des L-tartrates et un composé améliorant le pH.