Research Article

Selective Depolymerization and Effects of Homolysis of Poly(L-lactic acid) in a Blend with Polypropylene

Table 3

Changes in weight and molecular weight of PLLA in PLLA/BHPP blends after heating at 300°C for 30 minutes.

EntryPLLA/BHPP (wt/wt)Weight loss (%) (SD(a)) (SD) (SD)

3–1100/014.6 (0.6)5 500 (355)18 800 (1095)
3–2100/0.211.7 (0.4)6 800 (338)20 800 (645)
3–3100/16.7 (0.9)8 100 (929)23 100 (1694)
3–4100/57.9 (0.3)8 100 (698)20 800 (1319)
3–5100/207.8 (0.3)7 100 (118)18 500 (1452)

(a)Standard deviation.