申请人:Bayer Aktiengesellschaft
公开号:US04370254A1
公开(公告)日:1983-01-25
Employing as surface active agents salts of perfluoroalkane sulphonamides, preferably of the formula ##STR1## in which R.sub.F is a perfluorinated aliphatic group having 4 to 20 C-atoms, R is a hydrogen atoms, an alkyl group having 1 to 4 C-atoms, a hydroxyalkyl group having 1 to 4 C-atoms or a cycloalkyl group having up to 6 C-atoms, and M is an alkali metal, an alkaline earth metal or an onium group of the formula [ZR.sub.2 R.sub.3 R.sub.4 R.sub.5 ].sup..sym., Z is phosphorus or nitrogen, and R.sub.2 to R.sub.5 each independently is a hydrogen atom, or an alkyl, hydroxyalkyl, or alkoxyalkyl group having 1 to 4 C-atoms per alkyl moiety.
采用全氟烷基磺酰胺盐作为表面活性剂,优选公式为##STR1##的盐,其中R.sub.F是具有4至20个碳原子的全氟烷基,R是氢原子、具有1至4个碳原子的烷基、具有1至4个碳原子的羟基烷基或具有高达6个碳原子的环烷基,M是碱金属、碱土金属或公式为[ZR.sub.2 R.sub.3 R.sub.4 R.sub.5 ].sup..sym.的离子基团,其中Z是磷或氮,R.sub.2到R.sub.5各自独立地是氢原子,或者每个烷基部分具有1至4个碳原子的烷基、羟基烷基或烷氧基烷基。