abstract |
THE INVENTION RELATES TO POLYMER CHEMISTRY. IT CONCERNS CROSS-LINKED CARBOXYL COPOLYMERS OBTAINED BY COPOLYMERIZING AN UNSATURE CARBOXYL MONOMER, A CROSSLINING AGENT, AN ACRYLIC OR METHACRYLIC ACID ESTER WITH POLYALKYLENE GLYCOL, AND, OPTIONALLY ACRYLATE OR ACRYLATE. USE AS A THICKENER, IN PARTICULAR IN MEDIA CONTAINING DISSOLVED SALTS. |