| abstract |
Case 5972 RDF/kmf ABSTRACT OF THE DISCLOSURE Disclosed are bis-meta-benzotrifluoride compounds having the general formula where each A is independently selected from the group consisting of NO2, NH2, and NH3+Z-, Z- is an anion, and B is selected from the group consisting of O, CO, S, SO, and SO2. The diamine compounds are useful as monomers in making polyimides, polyamide-imides, and polyamides. |