Fellow members, i ask you for wise tip. Im wondering what is easyiest and best way to determine amount of Calcium Carbonate (used as filler) in PVC material?
1) Maybe by measuring mass and density of product, and by knowing densities of pvc and CaCO3 u have calculate theire share? 2) Or by heating product over some temperature where pvc will degrade and then measure drie resdue? I think this method will need around 800 degrees celcius. 3) How CaCO3 affects MFI (Melt Flow Index) of PVC resin? 4) How CaCO3 affects Tg of PVC? If it afects then DSC can be used 2 ?Looking forword for your answers so we can discus those methodes and relevance of the same :)
Regards
Bukum