Abstract
AbstractSolutions of poly(amic acid), a polyimide precursor prepared from 3,3′,4,4′‐benzophenone tetracarboxylic acid dianhydride and 4,4′‐oxydianiline, containing metal ions such as Pd, Pt, and Sn in a variety of chemical states were prepared. The polymer–metal ion solutions and each component thereof were analyzed by thermogravimetry. Summation of the calculated contribution of each component of the polymer solution mass loss curve yields a calculated TG curve. Subtraction of the calculated curve from the actual curve for the polyamic acid–metal ion solution results in a difference TG curve. From the difference TG curve information about polymer/additive interactions can be obtained.
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