METHOD FOR CONTROLLING THE SHAPE OF TALC PARTICLES

摘要

THE PRESENT INVENTION IS DIRECTED TO A METHOD FOR CONTROLLING THE D50 PARTICLE SIZE AND THE SPECIFIC SURFACE AREA SSA OF TALC PARTICLES BY THE STEPS OF A) PROVIDING AN AQUEOUS SUSPENSION OF COARSE TALC, B) BREAKING DOWN THE TALC PARTICLES IN A HOMOGENISER, C) DELAMINATING THE TALC PARTICLES IN A BALL MILL, THE PARTICLES OBTAINABLE BY THIS METHOD AND THEIR USE.