Influence of Processing Conditions on the Thermal Stability and Mechanical Properties of PP/Silica-Lignin Composites

Figure 1

View of the opened plastisizing unit with screws working in a corotating mode. Zone 1: feed area (32 mm screw stroke), zones 2, 4, 6, 8, and 11: transporting sections, zones 3, 5, 7, and 9: kneading and mixing elements, zone 10: degassing unit, and zone 12: metering section (16 mm screw stroke). Compression factor = 2.