CATIONIC POLYMERS FOR TREATING CONSTRUCTION AGGREGATES

• Main Authors: Ying CHEN, Hideo KOYATA, Lawrence L. KUO
• Format: Patent
• Language: English; Spanish
• Published: 12.06.2018
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; 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

The present invention provides methods, admixture compositions for treating clay-bearing aggregates used for construction purposes, and aggregate compositions for construction purposes. The clay-bearing aggregates are treated with a cationic polymer made from two and preferably three different monomer components. Cementitious compositions containing the treated aggregates are also described. La presente invención proporciona métodos, composiciones de aditivo para el tratamiento de los agregados que contienen arcilla utilizados para fines de construcción, agregados y composiciones para la construcción. Los agregados de que contienen arcilla se tratan con un polímero catiónico a partir de dos y preferiblemente tres diferentes componentes de monómeros. También se describen composiciones de cemento que contienen los agregados tratados.