| 摘要 |
Process for the preparation of halogenated polyethers of the general formula: <CHEM> wherein X is Cl or F, R F and R min F, either equal to or different from each other, are selected from fluorinated alkyl radicals with from 1 to 20 carbon atoms, cycloalkyl, heterocyclic, alkylcycloalkyl or cycloalkylalkyl radicals having from 5 to 20 carbon atoms, said radicals optionally also containing other halogen atoms different from fluorine and optionally ether oxygen atoms, by reaction with a fluorooxy or chlorooxy compound of the general formula: R FO-CF=CF2. |
