APPLICATION OF AN AUXILIARY GRINDING MEDIUM, METHOD OF GRINDING MINERAL MATERIALS IN THE FORM OF AQUEOUS SOLUTION AND AQUEOUS SOLUTION OF GROUND MINERAL MATERIALS

摘要

Use of salt(s) of polyaspartic acid(s) as an agent to aid crushing in order to obtain aqueous suspensions of refined mineral materials which can be pumped, do not sediment out, and which are strongly concentrated is new. Also claimed are (i) method for preparation of suspension by crushing; (ii) the suspension itself; and (iii) application of the suspension in the paper industry.