Synthesis and Characterization of Diaminophenylindane Based Polyimides via Ester-Acid Solution Imidization
- 1 September 1997
- journal article
- Published by SAGE Publications in High Performance Polymers
- Vol. 9 (3), 345-352
- https://doi.org/10.1088/0954-0083/9/3/012
Abstract
The solution polycondensation of 1-(4-aminophenyl)-5(6)-aminoindane (DAPI) with a number of commercially available dianhydrides using the two-step ester-acid solution imidization route is described. High molecular weight polyimides were successfully synthesized from a 1:1 molar ratio of dianhydride to diamine. These film-forming systems have high glass transition temperatures (331–368 °C) and very good short-term thermal stability as judged by differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA). The fully cyclized polyimides are also highly soluble in common solvents.Keywords
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