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Abstract

A compound represented by the following formula (a):

description='In-line Formulae' end='lead'CH₂═CR¹—CONJ-CGR²—(CH₂)_n—COO-Q¹-Rf¹  (a)description='In-line Formulae' end='tail'

is provided. This compound is capable of forming a polymer having an oil repellency equivalent to polymers containing a polyfluoroalkyl group containing at least 8 carbon atoms, although the polyfluoroalkyl group contains up to 6 carbon atoms. In the formula, R¹ is hydrogen atom or methyl group, R² is hydrogen atom or a group represented by —(CH₂)_m—COO-Q²-Rf² (r), n and m are independently an integer of 0 to 4, Rf¹ and Rf² are independently a polyfluoroalkyl group or a polyfluoroether group containing 1 to 6 carbon atoms, Q¹ and Q² are independently single bond or a divalent linkage group, J is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, and G is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms.

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First Claim