Chemistry Reference
In-Depth Information
Scheme 2.8
Condensation of MA/DAK and AA/DAK with TETA and PEHA
Table 2.7 Physicochemical properties of poly(amide-imide) derivatives based
on rosin acid (AbA) and DAK
AA/
DAKTA
AA/
DAKPA
MA/
DAKTA
MA/
DAKPA
Characteristics APATA APAPA MPATA MPAPA
Melting point
(
o
C)
160
195
170
205
213
208
159
170
Yield (%)
60
54
85
74
64
68
73
77
11.57
14.74
10.98
14.23
12.25
15.47
11.92
15.11
(Calc.)
N %
11.83
14.93
11.08
14.11
12.49
15.81
12.01
15.63
(Found)
Mn (g/mol)
1563
1160
2095
1995
950
1150
995
1195
Colou
r
Yellow Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Acid values
(mg KOH/g)
15.6
12.7
18.3
20.1
3.5
8.4
17.1
13.2
Density (g/cm³)
1.10
1.12
1.16
1.15
1.23
1.17
1.05
1.12
Inherent
viscosity (mL/g)
0.18
0.16
0.15
0.23
0.19
0.14
0.08
0.15
