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Purification of silicone containing compounds by supercritical fluid extraction

机译:通过超临界流体萃取纯化含硅酮化合物

摘要

The present invention relates to a process for the purification of silicone containing compounds via supercritical fluid extraction. Specifically, the present invention relates to a process comprising the steps of contacting at least one silicone containing compound with a supercritical fluid having a density of between about 0.2 and about 0.8 g/ml, decreasing said density so that two phases are formed a first phase comprising said at least one silicone containing compound and a second phase comprising at least one impurity and separating said second phase from said first phase.
机译:本发明涉及通过超临界流体萃取纯化含硅酮化合物的方法。具体地,本发明涉及一种方法,其包括以下步骤:使至少一种含硅氧烷的化合物与密度在约0.2至约0.8g / ml之间的超临界流体接触,降低所述密度,从而形成第一相的两相。包含所述至少一种含硅氧烷的化合物和包含至少一种杂质的第二相并将所述第二相与所述第一相分离。

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