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International Journal of Polymer Science
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International Journal of Polymer Science
/
2015
/
Article
/
Tab 4
/
Research Article
Chemical and Enzymatic Hydrolysis of Polyurethane/Polylactide Blends
Table 4
Molecular weights of polyurethane (PUR
10PHB+90PTMG
) and its blend (PUR
10PHB+90PTMG
/PLA) before and after incubation in PBS (4 weeks), lipase (L), and trypsin (T) (2 weeks).
Sample
after incubation [%]
after incubation [%]
PUR
10PHB+90PTMG
38920
81030
2.1
—
—
PUR
10PHB+90PTMG
PBS
32670
69920
2.1
−16.0
−13.7
PUR
10PHB+90PTMG
L
35510
71020
2.0
−8.8
−12.4
PUR
10PHB+90PTMG
T
27930
82670
3.0
−28.2
+2.0
PUR
10PHB+90PTMG
/PLA
24280
82680
3.4
—
—
PUR
10PHB+90PTMG
/PLA PBS
19230
41710
2.2
−20.8
−49.6
PUR
10PHB+90PTMG
/PLA L
18440
55790
3.0
−24.0
−32.5
PUR
10PHB+90PTMG
/PLA T
18150
63430
3.5
−25.3
−23.3