Compounds of the formula
wherein Rf is perfluoroalkyl of 3 to 18 carbon atoms, R, is hydrogen or lower alkyl, m is 1 to 3 and n is 1 or 2, are prepared by eliminating HX (X being a leaving group) from
which is prepared by treating
with a peroxide.
The compounds with formula (1) may be polymerised and the polymers used to render polyamides and cellulose oleophobic and hydrophobic.
式中的化合物
其中 Rf 为 3 至 18 个碳原子的
全氟烷基,R 为氢或低级烷基,m 为 1 至 3,n 为 1 或 2。
中消除 HX(X 为离去基团)而制备。
用过氧化物制备。
式(1)化合物可进行聚合,聚合物可用于使聚酰胺和
纤维素疏油和疏
水。