aromatic acyl groups 芳香酰基
Fluorinated polymers of interest have aromatic groups in their repeat units and at least about 25 % of available aromatic ring positions fluorinated.
关注的氟化聚合物在它们的重复单元中具有芳基并且具有至少约25 %的有效的可被氟化的芳环位置。
In particular, for polymers with the aromatic groups along the polymer backbone generally at least about 55 percent of the aromatic ring positions are fluorinated.
尤其,对于沿着聚合物主链带有芳基的聚合物通常有至少约55%的芳环位置被氟化。
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