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Synthesis and Characterization of Diaminophenylindane Based Polyimides via Ester-Acid Solution Imidization

T E Glass

Q Ji

J E McGrath

Virginia Polytechnic Institute and State University, Department of Chemistry and NSF Science and Technology Center, High Performance Polymeric Adhesives and Composites, Blacksburg, VA 24061-0344, USA

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.

High Performance Polymers, Vol. 9, No. 3, 345-352 (1997)
DOI: 10.1088/0954-0083/9/3/012


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