Application of ultrasound and neural networks in the determination of filler concentration and dispersion during polymer extrusion processes,Automation for making roofing tile,Basic extrusion models as diagnostic tools in extrusion trouble shooting,Branched polyethylene terephthalate foaming using HFC - 134a: on-line process monitoring,Carboxylation of EVOH by reactive extrusion and its blends with polyamide 6,6,Chaotic mixing in a free helix single screw device.