Figure 7.
Scanning electron microscopy images (×2000) of PLA/ BF/BF-g-LA impact surfaces (a) BF-g-LA, 0 phr; (b) BF-g-LA, 2 phr; (c) BF-g-LA, 4 phr; (d) BF-g-LA, 6 phr; (e) BF-g-LA, 8 phr.
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