Fluorine-containing compounds, and their preparation and use.

摘要

A fluorine-containing compound of the formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="14" wi="84" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein Rf is a C<Sub>3</Sub>-C<Sub>21</Sub> fluorine-containing group; R is a hydrogen atom or a C<Sub>1</Sub>-C<Sub>4</Sub> acyl group; Q is an aliphtic or aromatic hydrocarbon group having not more than twenty-one carbon atoms; and n is an integer of 1 to 10 lowers the surface tensions of water and/or organic liquids and the interfacial tensions between them.