B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
18/500
B01J 2/06 (2006.01) C08J 3/16 (2006.01) C09B 67/00 (2006.01) C09B 67/54 (2006.01) G03G 9/08 (2006.01)
Patent
CA 1053086
Abstract of the Disclosure The process of preparing powder particles having a desired particle shape, comprising the steps of: providing a paint solution having a film-forming portion and a first solvent portion, forming droplets containing the film-forming portion and the solvent portion, by contacting the paint solution with a second solvent which is partially miscible with the first solvent and in which the film-forming portion in non-soluble, the second solvent being substantially saturated with the first solvent, diluting said droplets with a sufficient quantity of a third solvent which is at least partially miscible with the first solvent and in which the film-forming portion precipitates as powder particles, and controlling the shape of the powder particles by regulating the dilution of the first solvent in the droplets.
224285
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