Characteristics of Biodegradable Polylactide/Thermoplastic Starch/Nanosilica Composites: Effects of Plasticizer and Nanosilica Functionality

Table 6

DMTA results of PLA, TPS, and various PLA/MPLA/TPS blends and composites.

Sample	Storage modulus (MPa)			tgδ peak position (°C)
	At −120°C	At −50°C	At 23°C	α	α1	β	γ
PLA	2480	2170	1920	67	—	—	−109
TPS	8990	4690	711	—	—	−42	—
PLA/MPLA/TPS	3780	2960	1490	64	22	−42	−109
PLA/MPLA/TPS/P	3830	2470	1190	63	5	−52	−121
1 SiO2	3670	2570	1310	64	14	−47	−120
3SiO2	3650	2630	1340	64	19	−47	−121
5 SiO2	3910	2730	1390	63	20	−48	−121
1 A-SiO2	3810	2640	1320	64	19	−48	−121
3 A-SiO2	3780	2580	1380	63	28	−49	−121
5 A-SiO2	4000	2690	1480	63	30	−49	−120