ADDITIVE FOR MORTARS OF SWELLING CLAYS AND MIXTURES OF SWELLING CLAYS AND CEMENT

摘要

1. Use of an alkaline polymer and/or copolymer of ethylenic acids, consisting of acrylic acid, methacrylic acid, itaconic acid, maleic acid or methallylsulfonic acid or ester thereof, having a molecular weight of 500 to 6000, except the range of 5040 to 6000, as an additive for mortars of swelling clays and mixtures of swelling clays and cement for reducing the filtrate, reducing and stabilizing the viscosity, retarding the solidification and limiting the exudation and sedimentation of solid components.