| 摘要 |
<p>Compounds of the formula (1) R1 &lparstr& CH2-@@……)m S(O @CH=CH2 wherein Rf is perfluoroalkyl of 3 to 18 carbon atoms, R1 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 Rf &lparstr& (CH2CH @S(O)n-…… @H-……@H2 which is prepared by treating Rf &lparstr& (CH2……@@ @S-CH2CH2X with a peroxide. …<??>The compounds with formula (1) may be polymerised and the polymers used to render polyamides and cellulose oleophobic and hydrophobic.</p> |
