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International Journal of Polymer Science
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International Journal of Polymer Science
/
2015
/
Article
/
Tab 5
/
Research Article
Chemical and Enzymatic Hydrolysis of Polyurethane/Polylactide Blends
Table 5
Molecular weights of polyurethane (PUR
20PHB+80PTMG
) and its blend (PUR
20PHB+80PTMG
/PLA) before and after incubation in PBS (4 weeks), lipase (L), and trypsin (T) (2 weeks).
Sample
after incubation [%]
after incubation [%]
PUR
20PHB+80PTMG
31350
107070
3.4
—
—
PUR
20PHB+80PTMG
PBS
22830
55710
2.4
−27.2
−48.0
PUR
20PHB+80PTMG
L
14510
49360
3.4
−53.7
−53.9
PUR
20PHB+80PTMG
T
17400
52370
3.0
−44.5
−51.1
PUR
20PHB+80PTMG
/PLA
28370
114450
4.0
—
—
PUR
20PHB+80PTMG
/PLA PBS
18580
47010
2.5
−34.5
−58.9
PUR
20PHB+80PTMG
/PLA L
15730
62790
4.0
−44.6
−45.1
PUR
20PHB+80PTMG
/PLA T
22700
55960
2.5
−20.0
−51.1