Structural Foams of Biobased Isosorbide-Containing Copolycarbonate

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.

(a)

(b)

(c)

(d)