Table 2. Temperature and Mass Loss of Each Degradation Stage of Unprocessed PHBV, Processed PHBV and its Formulations with PLAP, Residual Mass Fraction at 500 °C, and the PLAP Mass Fraction Determined by TGA Analysis.

1st stage					2nd stage
wPLAP	Tonset (°C)	Tmax. (°C)	mass loss (%)	Tonset (°C)	Tmax. (°C)	mass loss (%)	R500°C (%)	wPLAP,realc
0.00a	240	300	100				0
0.00	220	295	100				0
0.10	205	260	92	285	345	8	0	0.09
0.20	200	255	85	280	350	14	1	0.17
0.30	200	255	75	280	350	23	2	0.28
1.00b	190	280	11	300	385	87	2

^aUnprocessed PHBV.

^bUnprocessed PLAP.

^cw_PLAP,real = {[(mass loss_2ndstage/87) × 100] + residue}/100.