Thermoplastic polyimides have high performance,reliability and durability,with a unique combination of electrical,thermal,chemical and mechanical properties that can withstand extreme temperatures and other demanding environments. Polyimide products include films,molded plastic,magnet wire paint,composite pre-pregs,adhesives,coatings and foams. 4,4 '-terephthaloyldiphthalic anhydride and 4,4 '-isophthaloyldiphthalic anhydride( IDPA) are a category of white crystalline compound containing double-aromatic rin...