Polyfluorinated cyclic carbonates, a process for the...

Details Polyfluorinated cyclic carbonates, a process for the... Polyfluorinated cyclic carbonates, a process for the...

C - Chemistry, Metallurgy

07

D

8/93.24, 260/352

C07D 317/36 (2006.01) D06M 13/232 (2006.01)

Patent

CA 1277671

Abstract of the disclosure Novel polyfluorinated cyclic carbonates, a process for the preparation of these, and the use of these Novel polyfluorinated cyclic carbonates of the formula Image in which RF is an unbranched or branched perfluoroalkyl radical having 1 to 18 carbon atoms, an unbranched or branched .omega.-hydro- or .omega.-haloperfluoroalkyl radical having 1 to 18 carbon atoms, or a cycloperfluoroalkyl radical having 4 to 6 carbon atoms, are described. They are prepared by reacting a polyfluorinated halohydrin of the formula RF-CH2-CH(Hal)-CH2OH, in which RF has the mean- ing mentioned and Hal represents a halogen, with carbon- ate or hydrogen carbonate compounds in the presence of an aprotic solvent. The novel compounds, which are gener- ally solid and crystalline at room temperature, repre- sent, in particular, good waterproofing and oil-proofing agents for textiles.

541201

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