Di-perfluoroalkyl carbamyl group containing acrylates and methacrylates
AssigneeCiba-Geigy Corporation
InventorRobert A. Falk
Life of this patent
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Abstract
Di-perfluoroalkyl containing acrylate and methacrylate monomer derivatives of the formula: ##STR1## where R.sub.f is perfluoroalkyl, omega-hydroperfluoroalkyl, or perfluoroalkoxy substituted perfluoroalkyl; R.sub.1 is alkylene of up to 12 carbon atoms: X is --S-- or --SO.sub.2 --; Alk is alkanetriyl having from 1 to 12 carbon atoms; .phi. is phenylene which is unsubstituted or substituted by chlorine, bromine, alkyl of 1 to 6 carbon atoms or alkoxy of 1 to 6 carbon atoms; n is 0 or 1; R.sub.2 is alkylene of up to 12 carbon atoms; and R.sub.3 is hydrogen or methyl; their preparation and use as hydrophobic and oleophobic finishes are disclosed.
Claims16
A monomer of the formula ##STR8## where R.sub.f is perfluoroalkyl, omega-hydroperfluoroalkyl, or perfluoroalkoxy substituted perfluoroalkyl;
- R.sub.1 is alkylene of up to 12 carbon atoms;
- X is --S-- or --SO.sub.2 --;
- Alk is alkanetriyl having from 1 to 12 carbon atoms;
- .phi. is phenylene which is unsubstituted or substituted by chlorine, bromine, alkyl of 1 to 6 carbon atoms or alkoxy of 1 to 6 carbon atoms;
- n is 0 or 1;
- R.sub.2 is alkylene of up to 12 carbon atoms;
- and
- R.sub.3 is hydrogen or methyl.
Dependencies are inferred from the claim text.