A liquid disinfectant formulation for healthcare applications comprising: a polymer binder in a range of 0.5% to 5% based on the weight of the disinfectant formulation, wherein the polymer binder is an oxazoline homopolymer, wherein the oxazoline homopolymer has a structure of: wherein R 1 is a hydrogen, alkyl, alkenyl, alkynyl, allyl or benzyl group; R 2 is an alkoxy, carboxyl, carboxyalkyl, or hydroxyl group; R 3 is an alkyl, aryl, or benzyl group; and n is in a range of 500 to 1,000,000 a biocidal compound in a range of 0.05% to 10% based on the weight of the disinfectant formulation, wherein the biocidal compound is a quaternary ammonium compound having a structure of: wherein R 1 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 2 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 3 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 4 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; X -, an anion, is halogen, sulfonate, sulfate, phosphonate, phosphate, carbonate, bicarbonate, hydroxy, or carboxylate, a surfactant in a range of 0.01% to 10% based on the weight of the disinfectant formulation, a pH adjusting agent in a range of 0.01% to 10% based on the weight of the disinfectant formulation, glycol ether in a range of 1% to 10% based on the weight of the disinfectant formulation, and water in a range of 0% to 99.9% based on the weight of the disinfectant formulation. R 1 is a hydrogen, alkyl, alkenyl, alkynyl, allyl or benzyl group; R 2 is an alkoxy, carboxyl, carboxyalkyl, or hydroxyl group; R 3 is an alkyl, aryl, or benzyl group; and n is in a range of 500 to 1,000,000 a biocidal compound in a range of 0.05% to 10% based on the weight of the disinfectant formulation, wherein the biocidal compound is a quaternary ammonium compound having a structure of: wherein R 1 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 2 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 3 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 4 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; X -, an anion, is halogen, sulfonate, sulfate, phosphonate, phosphate, carbonate, bicarbonate, hydroxy, or carboxylate, a surfactant in a range of 0.01% to 10% based on the weight of the disinfectant formulation, a pH adjusting agent in a range of 0.01% to 10% based on the weight of the disinfectant formulation, glycol ether in a range of 1% to 10% based on the weight of the disinfectant formulation, and water in a range of 0% to 99.9% based on the weight of the disinfectant formulation. R 1 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 2 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 3 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; R 4 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated; X -, an anion, is halogen, sulfonate, sulfate, phosphonate, phosphate, carbonate, bicarbonate, hydroxy, or carboxylate, a surfactant in a range of 0.01% to 10% based on the weight of the disinfectant formulation, a pH adjusting agent in a range of 0.01% to 10% based on the weight of the disinfectant formulation, glycol ether in a range of 1% to 10% based on the weight of the disinfectant formulation, and water in a range of 0% to 99.9% based on the weight of the disinfectant formulation.