Patent ID: 6114415
Filing Date: 2000-09-05
Classification: B01J,C08C,C08F

Abstract:
A batchwise or continuous process for producing coagulated particles of polymer latex from a polymer emulsion and from a coagulant solution, comprising the following successive stages:1) partially or completely filling at least one horizontal or vertical receptacle with a fluid A chosen from the group consisting of a polymer latex emulsion, and coagulant solution, water, an oil or supercritical carbon dioxide, the said receptacle being divided into a succession of compartments separated by baffles or plates arranged at axial intervals containing at least one orifice with the provision that when the process is conducted batchwise, the filling is partial;2) injecting into the said receptacle at least one fluid other than the fluid of Stage 1), the injected fluid being a polymer latex emulsion and/or a coagulant solution;3) creating and maintaining within the said receptacle an oscillatory flow or an impulsive flow, in conjunction with the formation of eddies or of vortices.