IRON(I I I)-COMPLEXING AGENT FOR STABILIZING COMB POLYMERS IN MINERAL BINDING AGENTS

• Main Authors: PETER ANDRE, KURZ CHRISTOPHE, WOMBACHER FRANZ, BUERGE CHRISTIAN M
• Format: Patent
• Language: English; Korean
• Published: 10.09.2012
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; 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 CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; REFRACTORIES; SLAG; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF NATURAL STONE; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

Compositions including a comb polymer and an Fe(III)-complexing agent X selected from the group consisting of thiocyanates, condensed phosphates, amines, amino acetic acids, oxycarboxylic acids and compounds of the formula (V). The invention also relates to a method for stabilizing comb polymers in the presence of Fe(III) using such Fe(III)-complexing agents X.