Abstract: Surfactants capable of releasing and/or dissolving polymers to form water-soluble or water-dispersible polymer solutions are disclosed. In addition, polymer compositions containing a water-in-oil emulsion comprising the surfactant are provided and can be used, for example, in methods of dissolving a polymer. These surfactants and polymer compositions can be used in various industries including for water clarification, papermaking, sewage and industrial water treatment, drilling mud stabilizers, and enhanced oil recovery.

Abstract: Surfactants capable of releasing and/or dissolving polymers to form water-soluble or water-dispersible polymer solutions are disclosed. In addition, polymer compositions containing a water-in-oil emulsion comprising the surfactant are provided and can be used, for example, in methods of dissolving a polymer. These surfactants and polymer compositions can be used in various industries including for water clarification, papermaking, sewage and industrial water treatment, drilling mud stabilizers, and enhanced oil recovery.

Abstract: Aqueous dispersions comprising one or more ethylene-acrylic acid polymers and an effective dispersing amount of one or more N,N-dialkylalkanolamines are useful for preparing substrates for use in electrophotographic or digital offset printing processes.

Abstract: A method of enhancing the recovery of useful coal or potassium chloride or borax from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.03 lbs active polymer/ton dry solids in centrifuge to about 0.70 lbs active polymer/ton dry solids in centrifuge, of a cationic terpolymer, wherein said cationic terpolymer is prepared by polymerizing from about 1 to about 99.1 mole percent of one or more cationic monomers, from about 0.1 to about 10 mole percent of one or more hydroxyalkyl(meth)acrylates and from one to about 98.1 mole percent of one or more nonionic monomers.

Abstract: This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to form a polymer solution and adding at least one structural modifier to the polymer solution after at least 30% polymerization of the monomers has occurred, and to use of the water-soluble cross-linked polymers as flocculating agents.

Abstract: A cationic latex terpolymer prepared by polymerizing from about 1 to about 99.1 mole percent of one or more cationic monomers, from about 0.9 to about 5 mole percent of one or more hydroxyalkyl (meth)acrylates and from 0 to about 98.1 mole percent of one or more nonionic monomers is useful for dewatering sludge.

Abstract: This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to form a polymer solution and adding at least one structural modifier to the polymer solution after at least 30% polymerization of the monomers has occurred, and to use of the water-soluble cross-linked polymers as flocculating agents.

Abstract: A cationic latex terpolymer prepared by polymerizing from about 1 to about 99.1 mole percent of one or more cationic monomers, from about 0.9 to about 5 mole percent of one or more hydroxyalkyl (meth)acrylates and from 0 to about 98.1 mole percent of one or more nonionic monomers is useful for dewatering sludge.

Abstract: Fluorescent monomers are described and claimed.

Abstract: This invention is directed to a cationic terpolymer comprising (a) a first monomer unit selected from acrylamide and methacrylamide; (b) a second monomer unit selected from dimethylaminoethyl acrylate methyl chloride quaternary salt, 3-(acrylamido)propyltrimethylammonium chloride, 3-(methacrylamido)propyltrimethylammonium chloride, dimethylaminoethyl methacrylate methyl chloride quaternary salt, dimethylaminoethyl acrylate dimethylsulfate quaternary salt, dimethylaminoethyl methacrylate dimethylsulfate quaternary salt, diethylaminoethyl acrylate methyl chloride quaternary salt and diethylaminoethyl acrylate dimethylsulfate quaternary salt; and (c) a third monomer unit selected from benzyl methacrylate, 2,2,2-trifluoroethyl acrylate, acrylamide diacetone, N-phenylacrylamide, 2,2,3,3-tetrafluoropropyl acrylate and poly(propylene glycol)methacrylate. The terpolymer is useful for dewatering a variety of sludges.

Abstract: Water-soluble polymers of Formula Useful comprising from about 0.001 to about 10.0 mole percent of a Repeating Mer Unit represented by the formula: wherein a is an integer of from 1 to 10, R1 is selected from the group consisting of hydrogen and methyl groups, R2 and R3 are methyl groups, and R9 is selected from the group consisting of NH and O; and TAG is a fluorescing moiety; are described and claimed.

Abstract: This invention is directed to water-soluble fluorescent polymers incorporating fluorescent moieties, to a method of monitoring the water-soluble fluorescent polymers in water and to a method of controlling the dosage of a water-soluble polymeric treating agent.

Abstract: This invention concerns comb-like branched, water-soluble cationic acrylamide copolymers, prepared from 1-40 mole % of a water-soluble cationic prepolymer backbone of formula I--[A--B--NR].sub.n -- Iwhere A is an unsaturated ammonium compound or acrylamide and B--NR-- is selected from the group consisting of olefinically unsaturated, functional amine-group-containing monomers, triethanolamine, and diethanolalkylamine, and the amount of B--NR is 1 mole % to 50 mole % and n represents a degree of polymerization which leads to molecular weights in the range from 1000 to 200,000 g/mole, and 60 to 99 mole % acrylamide by graft polymerization of the acrylamide onto the amine-group-containing cationic prepolymer backbone with a water-in-oil emulsion technique, and the comb-like branched acrylamide copolymers have a molecular weight of >1 million.

Abstract: A cationic water-soluble polymer comprising from 0.001 to 10 mole percent of a repeating mer unit represented by the formula ##STR1## wherein a is an integer of from 1 to 10, R.sub.1 is selected from the group consisting of hydrogen and methyl groups, R.sub.2 and R.sub.3 are methyl groups, fluor is a fluorescing moiety and X is selected from the group consisting of chloride, iodide and bromide ions and wherein the polymer also contains from 90 to 99.