Table 3.

Thermogravimetric analysis of SA, PGA and various SA/PGA composite microparticles from TG-DTG analysis.

Sample	Stage	Temperature Range (°C)	Tmax (°C)	Weight Loss (%)	Weight Loss 5% (°C)	Weight Loss 50% (°C)
PGA	1	50–250	55	11.84	155	Above 450
	2	250–450	345	35.74
Alginate	1	50–200	184	12.03	77	287
	2	200–280	252	36.20
	3	280–450	361	10.71
mAlg:mPGA = 9:1	1	50–200	116	12.57	80	312
	2	200–280	263	31.32
	3	280–450	405	15.22
mAlg:mPGA = 8:2	1	50–200	79	9.04	104	341
	2	200–280	252	32.01
	3	280–450	349	19.62
mAlg:mPGA = 7:3	1	50–200	79	10.67	88	336
	2	200–280	250	32.06
	3	280–450	354	17.20
mAlg:mPGA = 6:4	1	50–200	122	11.56	75	338
	2	200–280	279	26.94
	3	280–450	319	27.95