Process for concentrating polymer latexes
AssigneeBayer Aktiengesellschaft
InventorsChristiane Oppenheimer-Stix, Michael Traving
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Abstract
The invention concerns a process for concentrating polymer latexes, which can be separated into a latex phase and a serum phase in a separator with the aid of an auxiliary coalescing device.
Claims17
A process for increasing the solids content of polymer latexes comprising the step of separating a latex dispersion into latex and serum in a separator by means of an auxiliary coalescing device, wherein the latex disoersion is mixed with a creaming agent comprising alginates or cellulose derivatives, and then introduced into the separator fitted with the auxiliary coalescing device, from which, a certain residence time, in which the latex dispersion can separate into two phases, the concentrated latex is drawn off.
A process for increasing the solids content of polymer latexes comprising the step of separating a latex dispersion into latex and serum in a separator by means of an auxiliary coalescing device, wherein the process is performed in a cascade arrangement in a cocurrent or countercurrent operation.
Dependencies are inferred from the claim text.