A method for the preparation of a black dispersion of carbon in a concentrated pasta. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the object of patent no. 306.010 by: a method for the preparation of a dispersion of carbon black in a concentrated paste, characterized in that the dispersion of a pigment in a non-resinous matrix consisting essentially of a hydrocarbon oil, an organic wax or mixtures thereof, comprises the extrusion of a plastic mixture of the pigment and the matrix to the extent that the former is homogeneously dispersed in the latter, with simultaneous reduction of the agglomerates present at a particle size of less than one micron. (Machine-translation by Google Translate, not legally binding)