Perfluoroalkyl alkylene vinyl sulfoxides and sulfones of the formula ##STR1## wherein R.sub.f is perfluoroalkyl of 3 to 18 carbon atoms, R.sub.1 is hydrogen or lower alkyl, m is 1 to 3 and n is 1 or 2, intermediates thereof, methods for their preparation, and the uses of such compounds to render cellulosic, and natural and synthetic polyamide, materials hydrophobic and oleophobic are described.
本发明涉及一种化合物,其为公式##STR1##中的
全氟烷基烷基
乙烯基亚砜和亚磺酰化合物,其中R.sub.f是3到18个碳原子的
全氟烷基,R.sub.1是氢或低碳基,m为1到3,n为1或2,以及其中间体,制备它们的方法以及使用这些化合物使
纤维素和天然和合成聚酰胺材料疏
水和疏油的方法。