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

Figure 2

SEM images of silica Syloid 244 (a), kraft lignin (b), and silica-lignin hybrid fillers with weight ratio equal to 1 : 1 (c), 2 : 1 (d), and 5 : 1 (e).

(a)

(b)

(c)

(d)

(e)