Fluorochemical oligomeric composition and use thereof

A composition comprising

• a) a fluorochemical oligomeric compound of the formula:
• (A—L1—)n[R1—(L2—R2)m]n,
• wherein
• A is a fluorochemical oligomeric moiety of the formula
• wherein the sum of a+b is a number such that the compound is oligomeric, and a is at least 1;
• R3 is hydrogen, halogen, or straight chain or branched chain alkyl containing 1 to about 4 carbon atoms;
• each R4 is independently hydrogen or straight chain or branched chain alkyl containing 1 to about 4 carbon atoms;
• Q and Q′ are each independently a covalent bond or an organic linking group,
• Rf is a fluoroaliphatic group that comprises a fully fluorinated terminal group;
• R5 is a fluorine-free aliphatic group;
• X is a hydrogen atom or a group derived from a free radical initiator;
• L1 and L2 are independently divalent linking groups,
• R1 is the residue of an organic isocyanate,
• R2 is a hydrogen or an aliphatic group,
• n is 1 to 4, m is 0 to 4, and p is 1 to 4,
• wherein at least one of said R2 and R5 groups has 12 or more carbon atoms;
• and
• b) an antisoiling compound.