Research Article

Foaming Behaviour, Structure, and Properties of Polypropylene Nanocomposites Foams

Figure 7

Broad-band electrical conductivity ( 𝜎 ) as a function of frequency ( 𝜈 ) for the (a) solid, and (b) foamed PP-CNF nanocomposites.
306384.fig.007a
(a)
306384.fig.007b
(b)