| 摘要 |
The invention pertains to a polymerisation process for the manufacture of a fluoropolymer [polymer (F)], said process comprising polymerising at least one fluorinated monomer in a polymerization medium, wherein said polymerization medium is mixed by means of a stirring system comprising at least two counterrotating impellers. It has been surprisingly observed that the polymerization advantageously occurs without fouling or deposit formation on the reactor walls. Moreover, the polymerization process advantageously occurs with improved homogeneity, without composition, pressure or temperature gradients, thus enabling obtaining homogeneous polymer composition with no risk of local overheating. Finally, polymer (F) obtained from the process of the invention possesses advantageously improved morphology (percentage of organized structures, i.e. of particles of regular shape) and, hence, advantageously good free flowing properties which make it suitable for being processed by compression moulding with no need of intermediate milling or grinding process or other size reduction process. Still objects of the invention are a fluoropolymer [polymer (F)], and a moulding process. |
