Builder composition prepared by heat-treating a crystalline layered Na silicate
The invention relates to builder compositions with improved dissolution residue
behavior, obtained by bringing
a) crystalline layered sodium silicate of the formula NaMSixO2x+1*yH2O,
where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from
0 to 20, and
b) water or an aqueous solution or dispersion of at least one detergent ingredient,
c) where the molar ratio of component a) to the water from component
b) is 0.5:1 to 20:1,
into contact with one another and subsequently heat-treating the resulting builder
composition at 30 to 400 C. for 0.5 to 1000 min.
