Toughening of Poly(L-lactide) with Blends of Poly(-caprolactone-co-L-lactide) in the Presence of Chain Extender

Figure 4

SEM images of cryofractured surfaces of 60/40 (w/w) PLLA/copolyester blends: (a) without and with Joncryl® contents of (b) 1.0 and (c) 2.0 phr (all bar scales = 3 μm).

(a)

(b)

(c)