(a)
(b)
(c)
(d)
Figure 3: Morphology of injection-molded Bio-PC foams (cryogenically fractured surfaces transverse to melt flow): (a) 2 wt.% MB.BA.16, 5% weight reduction; (b) 2 wt.% MB.BA.16, 10% weight reduction; (c) 3 wt.% MB.BA.16, 5% weight reduction; (d) 3 wt.% MB.BA.16, 10% weight reduction.