Fluorocarbon containing, reactive polymeric surfactants and coating compositions therefrom

Claim 2

A water-soluble or water-dispersible, crosslinkable reactive polymeric surfactant having (1) at least one pendant fluorocarbon moiety and (2) at least one pendant cationic moiety which is capable of reacting with a reactive counterion to form a crosslinked polymer.

Claim 3

The polymeric surfactant of claim 1 having the following formula ##STR24## wherein A is hydrogen, alkyl, cyclic alkyl, aryl or -CN: T is a connecting group: L is a linking group: K is the ionic moiety R F is the fluorocarbon moiety: and a+b+c=1; and x=5 to 1,000.

Claim 4

The polymeric surfactant of claim 2 wherein the fluorocarbon moiety (R F ) is represented by the formula C n F 2n+1 wherein n=3 to 18.

Claim 5

The polymeric surfactant of claim 2 wherein T is a divalent hydrocarbon-containing group.

Claim 6

The polymeric surfactant of claim 1 wherein the cationic moiety is sulfonium or reactive cyclic quaternary ammonium.

Claim 7

The polymeric surfactant of claim 1 wherein the surfactant possesses essentially equal amounts of cationic and anionic moieties.

Claim 8

A water-based crosslinkable coating composition comprising an aqueous solution of (a) a water-soluble or water-dispersible crosslinkable polymeric surfactant having (1) at least one pendant fluorocarbon moiety and (2) at least one pendant ionic moiety which is capable of reacting with a counterion to form a crosslinked polymer, and (b) a polymeric crosslinking agent having an ionic or potentially ionic moiety counterion capable of reacting with the ionic moiety of the surfactant; and (c) a compatible hydrocarbon based, reactive polymeric surfactant or a compatible latex-based coating composition; said composition having the capability of forming a uniform, thin film, on a surface to be coated, and the capability, on crosslinking, to form a uniform, thin coating having a critical surface tension less than about 19 dynes/cm.

Claim 9

A water-based crosslinkable coating composition comprising an aqueous solution of (a) a water-soluble or water-dispersible crosslinkable polymeric surfactant having (1) at least one pendant fluorocarbon moiety and (2) at least one pendant ionic moiety which is capable of reacting with a counterion to form a crosslinked polymer, and (b) a polymeric crosslinking agent having an ionic or potentially ionic moiety counterion capable of reacting with the ionic moiety of the surfactant; and (c) a compatible hydrocarbon based, reactive polymeric surfactant or a compatible latex-based coating composition; said composition having the capability of forming a uniform, thin film, on a surface to be coated, and the capability, on crosslinking, to form a uniform, thin coating having a critical surface tension less than about 19 dynes/cm.

Claim 10

The coating composition of claim 7 wherein the hydrocarbon-based reactive polymeric surfactant (c) is present in an amount greater than the amount of the polymeric surfactant having pendant flurocarbon and ionic moieties (a).