PROCESS FOR PRODUCING AN AQUEOUS SOLUTION BASED ON SOLUTION OF AN ACRYLIC COMBED POLYMER AND ACRYLIC THICKENING EMULSION, FORMULATION OBTAINED AND USES THEREOF IN PAPER COATING

摘要

The present invention relates to a method for manufacturing a composition, characterized in that it comprises the steps of: a) preparing an aqueous solution of at least one comb polymer of (meth) acrylic acid on which is grafted a alkoxy and / or hydroxy polyalkylene glycol function, b) preparing an aqueous emulsion of at least one acrylic thickener, c) mixing the aqueous solution of step a) with the aqueous emulsion of step b), optionally by adding of water, and in that the comb polymer is partially neutralized during step a) and / or step c), so as to obtain a mixture whose pH is between 5.5 and 6.8, preferably between 5.8 and 6.3. The invention also relates to the product obtained and its use in a paper coating sauce, as a thickening agent for said sauce and / or as a water-retaining agent for said sauce. and / or as an agent improving the gloss and / or the optical azuration of the p layer lying from said sauce.