Selected poly(dianhydrides) compounds, selected poly(amic acid) compounds, and selected poly(imide) compounds

摘要

Poly(dianhydride) compounds having formulae (I) and (II): <IMAGE> (I) where m is 0 to 50. <IMAGE> (II) wherein n is 0 to 20 and X is bond junction, oxygen atom, sulfur atom, SO2, C(CF3), CO, C(CH3)2, CF2-O-CF2, CH2, and CHOH.