Properties and Biodegradability of Thermoplastic Starch Obtained from Granular Starches Grafted with Polycaprolactone

Figure 1

SEM micrographs of (a) granular starch, (b) granular starch with 30% of PCL, (c) granular starch with 40% of PCL, and (d) the particle size distributions for grafted and ungrafted granule starch.

(a)

(b)

(c)

(d)