Process for producing a filter component, electrospinning process for producing a nanofibrous nonwoven, and process for increasing the cohesion of a nanofibrous nonwoven

摘要

for industrial dedusting of gases with high dust concentrations, the bag filter for the separation of solids from decades of work. a modern form of bag filters is the pulse jet variant, which was largely a standard has been accepted.the filter cake with the aid of a compressed gas druckstou00dfes contrary to the direction of flow. high temperature filtrationsapplikationen to compacting is the selection of filter media limited. the most frequently used materials are e.g.ptfe, aramid or glassfasern, on a substrate provided with ptfe membranes for the separation submikroner dusts are preferred.;the task was a novel nanofaser - hochtemperaturfiltermedium on the basis of the polyimids p84u00ae for feinfiltration to develop. these were not only the development of the filtermediums in the foreground, but also the processes with which the filter media is produced, and how the filtrationseigenschaften can be assessed.;for the manufacture of a elektrospinntechnologie nanofaservliese was used, which makes it possible to nanofibres with diameters well below 1 micrometer.;as the filter media for pulse jet applications has been developed, a high adhesion between the nanofaservlies and the substrate, which is responsible for the mechanical stability, is required. there were different glue). possible klebeauftragsverfahren assessed.it was found that the auftragungsverfahren plasma should be, and that the selected auftragungsverfahren is strongly influenced by the rheological properties of the adhesive state.;the filtrationseigenschaften resistance (cycle time, restdruckverhalten, form of differenzdruckkurve, dust emissions and staubeinlagerung) under defined conditions to test either similar or vdi 3926 type 2 compliant are built.