MECHANOCHEMICAL EFFECTS OF PHOSPHATES BY VARIOUS MECHANICAL TREATMENTS

Abstract

The mechanochemical effects of sodium cyclo-triphosphate (P_3m) by various mechanical treatments (vibration mill, grinding mill, planetary mill, and ball mill) were investigated with X-ray analysis and HPLC-FIA, and the differences in the apparatus used were discussed from the changes of phosphate distribution, the crystallite size, and the lattice distortion of P_3m treated. With an increase of treatment period, the crystallite size of P_3m became smaller and its lattice distortion increased, followed by ring-opening reaction. The effects of mechanical treatments upon the ring-opening reaction were the order of; 300 (vibration mill): 10 (planetary mill): 1 (grinding mill): 0.1 (ball mill).