(Melt) extrusion process for preparing alkali metal carbonate, bicarbonate and sesquicarbonate blends using melted functionalizers

摘要

The present invention is a method of preparing a formulation comprising an alkali metal salt selected from the group consisting of alkali metal bicarbonate, alkali metal carbonate, alkali metal sesquicarbonate and combinations thereof, comprising a functionalizing agent and The present invention relates to a method including a step of extruding a paste-like composition containing a metal salt. The invention further relates to a formulation obtainable from said method and to the use of this formulation in various applications such as plastic foaming or food and feed expander compositions. [Selection figure] None