Patent ID: 6809167
Filing Date: 2004-10-26
Classification: C08F,C08J

Abstract:
A process for obtaining tetrafluoroethylene thermoprocessable copolymer microspheres, said process comprising the steps of:providing equipment formed by a coagulation apparatus, said equipment including a jacket for maintaining a temperature in the coagulation apparatus at a desired value, an outlet for the coagulated product, a coagulant inlet, a latex inlet, a filter, and a liquid outlet; a feeding latex and coagulant into respective inlets, wherein the microspheres have a substantially spherical shape for at least 95% by weight, the average diameter of the microspheres being in the range of 25 &mgr;m-2 mm, the bulk density being in the range 0.5-1.1 g/cm3.