Determination of viscosity curve and PVT properties for wood-polymer composite
In the presented study the injection mold equipped with the test apparatus were used to determine the viscosity curve of wood – polymer – composite (WPC). During the test the polymer temperatures, flow rates and pressure data measured inside of mold cavity were recorded. In addition the pressure – volume – temperature (PVT) characteristic of this composite was determined using the capillary rheometer. The determined properties were used in numerical simulations of injection molding process of WPC. The results were verified on the basis of pressure profiles measured in the mold cavity during experiment. The simulation was performed using the Autodesk Moldflow Insight 2013 commercial code. The calculated and measured pressure profiles were compared.