Effect of structure on the thermal behaviour of bisitaconimide resins - Polyimides and Other High Temperature Polymers - page 180

Scheme 3. Structure and letter designation of various bisitaconimide oligomers.

Table 13.
TG results of cured (at 220°C for 2 h) bisitaconimides

Bisitaconimides Decomposition temperatures (°C) Weight loss

(%)

Y c (%)
at 800°C

T i T max T f

IPE 326.8

449.4

385.0
571.3

449.4
624.2

16.43
35.23 46.1

IBE 348.6

489.9

415.1
600.8

490.0
649.1

14.30
34.68 50.1

IFE 411.2

530.3
627.0

476.4
570.7
651.6

530.3
627.0
713.5

18.48
18.32
12.43 50.8

IPH 372.1

500.0

431.5
573.4

500.0
623.7

19.54
35.33 45.1

IBH

355.8
485.4

49.0
588.7

485.4
667.4

16.32
35.55

48.1

IFH 404.5

516.8
604.5

451.6
570.8
627.0

516.8
604.5
683.1

18.20
14.73
14.97

51.6

IPS p 251.7

316.8
500.0

285.3
382.0
546.0

316.8
500.0
660.7

6.87
27.67
12.58

52.8

IBS p 274.0

319.1
532.6

292.1
427.0
570.7

319.1
532.6
651.7

2.41
27.90
15.20

53.9

IFS p 380.3

511.2

439.2
559.2

511.2
623.6

26.85
26.80

46.5