Method for inerting impurities

The invention concerns a composition useful for inerting clays in hydraulic compositions, comprising at least 50 wt. % of a cationic polymer having a cationic charge density more than 0.5 meq/g and an intrinsic viscosity less than 1dl/g, as active substance.

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Bibliographic Details
Main Author JACQUET ALAIN,VILLARD EMMANUEL,WATT OLIVIER
Format Patent
LanguageEnglish
Published 19.09.2007
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
REFRACTORIES
SLAG
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF NATURAL STONE
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Summary:The invention concerns a composition useful for inerting clays in hydraulic compositions, comprising at least 50 wt. % of a cationic polymer having a cationic charge density more than 0.5 meq/g and an intrinsic viscosity less than 1dl/g, as active substance.
Bibliography:Application Number: CN2005834770