Page 263 - Engineering Plastics Handbook

Thermoplastic Polyimide (TPI) 225

TABLE 10.2 Diamines Defined by Number of Benzene Rings
Number
of
benzene
rings Diamine

Diamines having one benzene ring
H 2 N
1 H 2 N NH 2 , NH 2
1a 1b
Diamines having two benzene rings
2 H 2 N O NH 2 , H 2 N O NH 2 H 2 N O NH 2
,
2a 2b
2c
Diamines having three benzene rings
3 H 2 N O O NH 2 , H 2 N O O NH 2
3a 3b
H 2 N O O NH 2 , H 2 N O O NH 2
3c
3d
Diamines having four benzene rings
4 H 2 N O O O NH 2 , H 2 N O O O NH 2
4a-m
4a-p
H 2 N O O NH 2 , H 2 N O O NH 2
4b-m
4b-p
O O
H 2 N O S O NH 2 , H 2 N O S O NH 2
O O
4c-p 4c-m
H 2 N O S O NH 2 , H 2 N O S O NH 2
4d-p 4d-m
O O
H 2 N O C O NH 2 , H 2 N O C O NH 2
4e-p 4e-m
CH 3 CH 3
H 2 N O C O NH 2 , H 2 N O C O NH 2
CH 3 CH 3
4f-p 4f-m
CF 3 CF 3
H 2 N O C O NH 2 , H 2 N O C O NH 2
CF 3 CF 3
4g-p 4g-m
Dianhydride
Pyromellitic dianhydride (PMDA)
3,3′,4,4′-Biphenyl tetracarboxylic dianhydride (BPDA)
3,3′,4,4′-Diphenylether tetracarboxylic dianhydride (ODPA)