
16 Green Composites from Natural Resources
Specic properties of both husks, such as chemical composition, morphology, and
surface and thermal properties, are presented in Section 2.2.1.2.
2.2.1.1.2 Biocomposite Processing
Before processing, all materials (PLA, LRH, and WH2) are dried under vacuum
at 60°C for 24 hours. Compounding is achieved by twin screw extruder (Clextral
BC21; 900 mm length). Screw temperatures are set up at 170°C for the rst zone and
180°C for the other zones. Screw speed rate is 250 rpm and feed rate is 4 kg/h. After
extrusion, injection molding is then carried out on a Krauss Maffei KM50-T180CX.
Screw temperature is set ...