| 摘要 |
<p>Injection moldable copolymers are prepared from fully or partially acylated aromatic diamines and aromatic tricarboxylic anhydride compounds, aromatic dicarboxylic acides or mixtures of aromatic tricarboxylic acid anhydrides and aromatic dicarboxylic acids. These copolymers are useful for the preparation of injection molded articles and fibers. </p> |
