Structure/Property Relationships of Poly(L-lactic Acid)/Mesoporous Silica Nanocomposites

Figure 7

Spherulitic morphologies of (a) neat PLLA, (b) nongrafted SBA-15 (5 wt%), and (c) g-SBA-15 (5 wt%) crystallized at 120°C.

(a)

(b)

(c)