A METHOD FOR THE PREPARATION OF PARTICLES WITH CONTROLLED SHAPE AND/OR SIZE

A method for preparation of liquid, semi-liquid or solid particles through formation of an initial emulsion and consecutive deformation and/or breakage of the particles by means of temperature change. The formed particles may further be polymerized, physically or chemically modified and/or functionalized. The shape and size of the particles depend on the oil used, the size of the emulsion droplets in the initial emulsion, the surfactant used and the cooling/heating rate or temperature, and finally the nature of the additives. The method allows the preparation of a diverse range of particle shapes: rod-like, with different aspect ratios (1a, 1b); triangular (1c); triangular with inscribed geometrical shapes (d); deformed and/or elongated triangular shapes (e, f); quadrilateral shapes (g, h); quadrilateral shapes with inscribed geometrical shapes (i); hexagonal (j); hexagonal with inscribed geometrical shapes (k, l); and/or polygonal shape (m).