Fluorinated polymers of interest have aromaticgroups 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。
2
In particular, for polymers with the aromaticgroups 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。
3
Lignin consists of both aromatic and aliphatic portions containing many active functional groups, which suggests some ion exchange and adsorption properties.