Anvendelse af 2-amino-2-methyl-1-propanol som additiv i vandigesuspensioner af materialer, der indeholder calciumcarbonat

摘要

Use of 2-amino-2-methyl-1-propanol (AMP) as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material and having a pH of between 8.5 and 11, to increase the suspension pH by at least 0.3 pH units, wherein the suspension conductivity change is maintained to within 100 µS/cm/pH unit