B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
161/33, 134/52
B01F 3/00 (2006.01) B01D 9/00 (2006.01) B01F 3/08 (2006.01) B01F 3/12 (2006.01) B01F 5/04 (2006.01) B01F 5/06 (2006.01)
Patent
CA 2017123
PRODUCTION OF DISPERSIONS OF SPHERICAL PARTICLES BY CRYSTALLIZATION OF EMULSIONS A B S T R A C T The invention relates to a process in which a melt is mixed with, and emulsified in, a colder liquid phase at a temperature below the crystallization point, the melt only solidifying in the form of the dispersed particles after the emulsification step. To this end, the melt is sprayed into the liquid phase to form a preliminary emulsion (12) and the preliminary emulsion is finely dispersed for 0.005 s to 0.15 s in a following homogenization nozzle (8) to form an emulsion (15) which then soldifies to form the final crystal suspension. The particle size can be clearly and reproducibly adjusted through the nozzle pressure during the emulsification step. The process may be used in particular for the production of highly concentrated dispersions of high-melting organic materials. (Figure 1) Le A 25 920
Gerdes Carsten
Heinrich Gunter
Kalz Dietmar
Klinksiek Bernd
Kummeler Ferdinand
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
Gerdes Carsten
Heinrich Gunter
Kalz Dietmar
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