Use of Evaporators in Polymer Deformulation



Polymer additives are resistant solid granules and are difficult to analyse especially during de-formulation. Usually these additives are treated with toluene or another suitable solvent to obtain a suspension or solution before the analysis. During this process the evaporation was formerly done using a rotary evaporator but by using a EZ-2 has enhanced productivity and safe removal of large volumes of toluene in a closed chamber with 98 % recovery. David Clayton, Senior Analytical Chemist, Great Lakes Polymer Additives, Trafford Park, Manchester, UK



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