M. Stephan et al., IN-LINE MEASUREMENTS OF RESIDENCE TIME OF PLASTICS MELTS IN FUNCTIONAL EXTRUDER ZONES BY RADIOACTIVE-TRACERS, Kautschuk und Gummi, Kunststoffe, 49(11), 1996, pp. 785-789
For real-time detection oi material transport and mixing within specia
lly designed screw parts inside a co-rotating twin screw extruder at i
ts steady stale a specific nuclide tracing of plastic melt has been ap
plied. By combining effective collimation systems with a special devel
oped data aquisition and computing equipment, new quantitative informa
tions about average residence time distribution and melt mixing state
in polymer melts inside the extruder are achievable.