Eg. Bulycheva et al., POLYIMIDES BASED ON 3,4,9,10-PERYLENETETR ACARBOXYLIC DIANHYDRIDE, Vysokomolekularnye soedinenia. Seria A, 39(4), 1997, pp. 744-747
A series of polyimides was prepared on the basis of 3,4,9,10-perylenet
etracarboxylic dianhydride and diamines, which are responsible for the
solubility of the target polymers in organic solvents.