Table 1: Polyimides and copolyimides containing phenolic OH groups based on HAB.

Polyimides
Tetracarboxylic dianhydridea Diamine
mol%
Poly(amic acid)s

dLg−1
Solubility in
NMP

dLg−1
Molecular weightc
MnMwMw/Mn

Cyclohexene-DAHABDDE
20800.53Soluble0.1415000297002.0
50500.61Soluble0.1614400319002.2
10000.69Soluble0.2917700391002.2

6FDAHABDDE
20800.52Soluble0.58537001100002.0
50500.48Soluble0.483570081500 2.3
10000.58Soluble0.6530800642002.1

DSDAHABDDE
20800.84PSd50400e132200e2. 6e
50500.80PSd57100e149100e2.6e
10000.45Soluble0.6173700153400 2.1

aEquimolar amount of tetracarboxylic dianhydride was used to the total amount of diamines. bMeasured at 0.5 g dL−1 in NMP at 30°C. cDetermined by SEC in NMP containing 10 mM LiBr calibrated with a series of polystyrenes as a standard. dPartially soluble. eData of soluble parts in NMP.