Application of Biodegradable Polyhydroxyalkanoates as Surgical Films for Ventral Hernia Repair in Mice

Table 1

Physics-chemical properties of P3HB and P3HBV polymers and films [24].

Item	P3HB	P3HBV
Mw (g/mol)	1 10^6	6.2 10^5
PDI	1.85	3.18
Film thickness (m)	32.3 ± 1.9	32.0 ± 1.9
Powder crystallinity^a (%)	55.4	49.6
Film crystallinity^a (%)	42.3	36.4
Film average roughness^b (nm)	165	486
Onset temperature of thermal degradation (°C)^c	240	210
Thermal degradation at 100°C (s^−1)	6 10^−10	2 10^−8

PDI: polydispersity index = Mw/Mn; Mw: weight average molecular weight; Mn: number average molecular weight.
^aDetermined by an X-ray diffractometer. ^bAtomic force microscope. ^cThermogravimetric analysis.