Preparation of Polypropylene Powder by Dissolution-Precipitation Method for Selective Laser Sintering

Figure 4

Particle diameter distribution curves of PP powders prepared on different conditions: (a) dissolution temperature 166°C; (b) dissolution temperature 166°C and solid-to-solvent ratio 0.067g/ml; (c) dissolution temperature 166°C, solid-to-solvent ratio 0.067g/ml, and pressure 0.7MPa.

(a)

(b)

(c)