uses of at least one polyethylenimine, and a suspension, and method for increasing the ph of an aqueous suspension

摘要

uses of at least one polyethylenimine, and a suspension, and method for increasing the ph of an aqueous suspension. use of at least one polyethylenimine as an additive in an aqueous suspension containing 25 to 62 vol% of at least one calcium carbonate-comprising material, wherein the use provides improved stability with respect to the conductivity of the suspension .