| 摘要 |
<p>Poly(dianhydride) compounds having formulae (I) and (II) where m is 0 to 50; 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. The compounds are intermediates for certain resins.</p> |
