Способ очистки термоперерабатываемых сополимеров тетрафторэтилена

摘要

A purification process of thermoprocessable tetrafluoroethylene (TFE) copolymers comprising the following steps: A) the polymer latex is transformed into gel form, under mechanical stirring, by addition of an acid electrolyte having pH values ≤ 2; B) washing of the polymer gel with aqueous solutions having pH from 1 to 7.