Colloidally stabilized emulsions
AssigneeDow Reichhold Specialty Latex LLC
InventorVenkataram Krishnan
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Abstract
A filter substrate impregnated with an emulsion polymer, the emulsion polymer being substantially devoid of phenolics and stabilized using a protective colloid.
Claims7
A filter comprising a filter substrate impregnated with polymer in emulsion form selected from the group consisting of vinyl acrylates, epoxies, urethanes, acrylics, styrene acrylics, butadiene copolymers and hybrid emulsions of combinations thereof, the polymer having crosslinkable functionality being substantially devoid of phenolics and provided by a self-crosslinking monomer selected from the group consisting of N-methylol acrylamide, N-methylol methacrylamide and C1 to C4 ethers thereof, and stabilized using a protective colloid.
A filter comprising a filter substrate impregnated with polymer in emulsion form selected from the group consisting of vinyl acrylates, epoxies, urethanes, acrylics, styrene acrylics, butadiene copolymers and hybrid emulsions of combinations thereof, the polymer having crosslinkable functionality being substantially devoid of phenolics and provided by a self-crosslinking monomer selected from the group consisting of N-methylol acrylamide, N-methylol methacrylamide and C1 to C4 ethers thereof, and stabilized using a polyvinyl alcohol.
Dependencies are inferred from the claim text.