AZO-TYPE COMPOUND GRANULES

摘要

The invention concerns a composition comprising an azo compound in the form of granules with size ranging between 200 mu m and 10 mm whereof the cumulative volume of pores ranges between 0.2 and 2 ml/g. The invention also concerns the method for preparing said composition which consists in: wetting a powder comprising said azo compound; granulating it by passing it under mechanical stress through a die; and drying the resulting granules at a temperature less than 45 DEG C.