Research Article
Chemical and Enzymatic Hydrolysis of Polyurethane/Polylactide Blends
Table 6
Molecular weights of polyurethane (PUR10PHB+90PCL) and its blend (PUR10PHB+90PCL/PLA) before and after incubation in PBS, lipase (L), and trypsin (T).
| | Sample | | | | after incubation [%] | after incubation [%] |
| | PUR10PHB+90PCL | 42680 | 102940 | 2.4 | — | — | | PUR10PHB+90PCL PBS | 33020 | 64100 | 1.9 | −22.6 | −37.7 | | PUR10PHB+90PCL L | 39660 | 102340 | 2.6 | −7.1 | −0.6 | | PUR10PHB+90PCL T | 36720 | 97840 | 2.7 | −14.0 | −5.0 |
| | PUR10PHB+90PCL/PLA | 35820 | 92690 | 2.6 | — | — | | PUR10PHB+90PCL/PLA PBS | 28830 | 55460 | 1.9 | −19.5 | −40.2 | | PUR10PHB+90PCL/PLA L | 35510 | 87280 | 2.5 | −0.9 | −5.8 | | PUR10PHB+90PCL/PLA T | 35290 | 89910 | 2.6 | −1.5 | −3.0 |
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