Table 1. Physical properties of thermoplastic shape memory polyimide.

ODA/BPADA	Title	Mn(kg/mol)	Mw(kg/mol)	Tg (°C)	E′ (MPa) at Tg − 20 °C	E′ (MPa) at Tg + 20 °C	Td (°C)	Rf (%)	Rr (%)
1	A0	43.9	92.2	238	1407	7.6	493	99.7	97.3
0.9850	A1	39.4	75.3	236	1292	7.3	492	99.7	97.6
0.955	A2	34.7	64.5	234	1308	6.1	490	99.2	97.0
0.925	A3	28.1	51.8	231	1607	5.8	488	98.5	97.2
0.910	A4	24.5	41.2	229	1403	4.8	486	98.0	97.0

Samples with lower M_n, no shape memory properties.