Table 11 Thermal stability data of PLLA samples.

From: Synthesis, characterization of poly l(+) lactic acid and its application in sustained release of isosorbide dinitrate

No

Sample (catalyst used)

Ti

Tonset

Tmax

1

ZnO

114

213

290

2

ZnCl2

130

210

298

3

ZnO/P-TSA (2:1)

94

210

277

4

ZnO/P-TSA (2:2)

98

211

276

5

Sb2O3

100

200

340

6

SnCl2·2H2O (X/D)

108

235

340

7

MgO/MA (2:1)

97.7

208

348

8

Fe2O3

85.4

218

316

9

ZnO/ZnCl2 (2:2)

98

211

276