Inventors:
Joseph R. Adamo - Lansdale PA
Gloria M. Lipovsky - Langhorne PA
Robert Hecker - Levittown PA
Leon D. Ranalli - Murrells Inlet SC
Assignee:
Rohm and Haas Company - Philadelphia PA
International Classification:
B01F 1502
Abstract:
A method is disclosed for preparing a homogeneous solution of a powder, particularly hard-to-wet polymer powders, which includes:
(1) feeding simultaneously a powder and a liquid solvent for the powder to a high-speed in-line mixer minimizing contact between said powder and said liquid solvent before said powder and said liquid solvent enter said mixer;
(2) mixing said powder and said liquid solvent in said mixer to form a dispersion of said powder in said liquid solvent; and
(3) dissolving said dispersed powder in said solvent.