Perfluoroalkyl substituted pyromellitates

C - Chemistry – Metallurgy – 07 – C

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260/472.5, 8/93.

C07C 69/76 (2006.01)

Patent

CA 1255693

Perfluoroalkyl substituted Pyromellitates Abstract of the Disclosure Perfluoroalkyl-alkyl-sulfide or -sulfonyl-alkylene esters of meta- and para-pyromellitates, partially esterified with 3-chloro 1,2- propane diol, of the formulae: Image ( I ) or Image ( I I ) or mixtures thereof, wherein Rf is perfluoroalkyl of 3 to 18 carbon atoms, m i3 0 or 2, and R is Image , Image or mixtures thereof, are useful for incorporation into organic polymers to render them oil repellent and soil resistant.

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