Patent ID: 6025521
Filing Date: 2000-02-15
Classification: C08F

Abstract:
A telomerization process comprising telomerizing monomer compounds of the formula X.sub.2 C.dbd.CYZ, where X is H or F, Y is H, F or CH.sub.3, where at least one of X and Y is F, and Z is H, F, OR.sub.F ', Cl, CH.sub.2 OH, R.sub.F ', R or CO.sub.2 R' where R.sub.F ' is perfluoroalkyl of 1 to 4 carbon atoms, R is alkyl of 1 to 4 carbon atoms, and R' is alkyl or polyfluoroalkyl of 1 to 4 carbon atoms with telogens of the structure RI, RBr or RCl, where R is selected from the group consisting of hydrocarbyl or polyhaloalkyl, in the presence of fluorinated carbon catalyst, in the absence of Lewis acid, in the optional presence of a solvent.