Filtration sheet of aramid fiber, a process for its preparation process for reducing the diameter of an aramid fiber and the fiber thus obtained, an element of the filter, a process for the treatment of a fluid using.

摘要

The present invention relates to a filtration sheet of polymer, in particular aramid fibers, having a relatively small quantity of the pores and a high degree of uniformity of the pores. & br / according to the invention, it is prepared, aramid fibers of a reduced diameter which will form the sheet of filtration of a fluid; & br / the invention applies in particular to the reduction of the way the other hand, very small, such as bacteria pseudomonas diminuta.