| 摘要 |
A polymer of Formula or structure (I) wherein at least one of R<SUB>1 </SUB>and R<SUB>2 </SUB>is a suitable hydrocarbon, hydrogen, a heteratom containing group, or a halogen; Ar and Ar' represent an aromatic moiety; x, y, a, b, c, d, e, f, and g represent the number of groups or rings, respectively; and n represents the number of repeating units.
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