Research Article

The Investigations of Thermomechanical Properties of Polypropylene Composites

Figure 9

Changes of the storage modulus E’ (a) and the loss factor tgδ value (b) as a function of temperature of Moplen polypropylene (PP), with a filler in the form of hollow glass beads 30% (GB PP 30) and solid glass beads 30% (PP GB 30L).

(a)
(b)