| 摘要 |
Perfluoroalkyl thioalkylene amphoteric compounds of the formula
<CHEM>
wherein R1 is a perfluoroalkyl, R1 is alkylene or alkyleneoxy or aminoalkylene, R2 and R3 are hydrogen, alkyl, or together, form a ring. R4 is hydrogen or alkyl unsubstituted, or substituted by an anionic function, Z is alkylene and Y is an anionic function, and the acid adduct, alkaline salt or alkyl quaternary ammonium salts thereof.
<??>These compounds are useful as surfactants. |
