Surface disinfectant with residual biocidal property

Abstract

A disinfectant formulation comprising a polymer binder and a biocidal compound, having a residual biocidal property. The polymer binder is an oxazoline homopolymer or an extended or a modified polymer based on an oxazoline homopolymer. The disinfectant formulation may further comprise a surfactant, a pH adjusting agent, and a solvent.

What is claimed is: 
     
         1 . A disinfectant formulation comprising:
 a polymer binder in a range of 0.1% to 10% based on the weight of the disinfectant formulation, wherein the polymer binder is an oxazoline homopolymer or an extended or a modified polymer based on an oxazoline homopolymer,   a biocidal compound in a range of 0.05% to 10% based on the weight of the disinfectant formulation,   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.   
     
     
         2 . The disinfectant formulation according to  claim 1 , wherein the oxazoline homopolymer has a structure of: 
       
         
           
           
               
               
           
         
         wherein 
         R 1  is a hydrogen, alkyl, alkenyl, alkoxy, alkylamino, alkynyl, allyl, amino, anilino, aryl, benzyl, carboxyl, carboxyalkyl, carboxyalkenyl, cyano, glycosyl, halo, hydroxyl, oxazolinium mesylate, oxazolinium tosylate, oxazolinium triflate, silyl oxazolinium, phenolic, polyalkoxy, quaternary ammonium, thiol, or thioether group; 
         R 2  is a hydrogen, alkyl, alkenyl, alkoxy, alkylamino, alkynyl, allyl, amino, anilino, aryl, benzyl, carboxyl, carboxyalkyl, carboxyalkenyl, cyano, glycosyl, halo, hydroxyl, oxazolinium mesylate, oxazolinium tosylate, oxazolinium triflate, silyl oxazolinium, phenolic, polyalkoxy, quaternary ammonium, thiol, or thioether group or a macrocyclic structure; 
         R 3  is a hydrogen, alkyl, alkenyl, alkoxy, aryl, benzyl, hydroxyalkyl, or perfluoroalkyl group; and 
         n is in a range of 1 to 1,000,000. 
       
     
     
         3 . The disinfectant formulation according to  claim 1 , wherein the extended or the modified polymer based on the oxazoline homopolymer has a structure of: 
       
         
           
           
               
               
           
         
         wherein 
         R 1  is a hydrogen, alkyl, alkenyl, alkoxy, alkylamino, alkynyl, allyl, amino, anilino, aryl, benzyl, carboxyl, carboxyalkyl, carboxyalkenyl, cyano, glycosyl, halo, hydroxyl, oxazolinium mesylate, oxazolinium tosylate, oxazolinium triflate, silyl oxazolinium, phenolic, polyalkoxy, quaternary ammonium, thiol, or thioether group; 
         R 3  is a hydrogen, alkyl, alkenyl, alkoxy, aryl, benzyl, hydroxyalkyl, or perfluoroalkyl group; 
         n is in a range of 1 to 1,000,000; 
         B is a monomer repeating unit linked to oxazoline in a coploymer; and 
         m is in a range of 0 to 500,000. 
       
     
     
         4 . The disinfectant formulation according to  claim 3 , wherein B is ethyleneimine having a structure of: 
       
         
           
           
               
               
           
         
         wherein 
         R 1  is a hydrogen, alkyl, alkenyl, alkoxy, alkylamino, alkynyl, allyl, amino, anilino, aryl, benzyl, carboxyl, carboxyalkyl, carboxyalkenyl, cyano, glycosyl, halo, hydroxyl, oxazolinium mesylate, oxazolinium tosylate, oxazolinium triflate, silyl oxazolinium, phenolic, polyalkoxy, quaternary ammonium, thiol, or thioether group; 
         R 2  is a hydrogen, alkyl, alkenyl, alkoxy, alkylamino, alkynyl, allyl, amino, anilino, aryl, benzyl, carboxyl, carboxyalkyl, carboxyalkenyl, cyano, glycosyl, halo, hydroxyl, oxazolinium mesylate, oxazolinium tosylate, oxazolinium triflate, silyl oxazolinium, phenolic, polyalkoxy, quaternary ammonium, thiol, or thioether group or a macrocyclic structure; 
         R 3  is hydrogen, alkyl, alkenyl, alkoxy, aryl, benzyl, hydroxyalkyl, or perfluoroalkyl; 
         R 4  is hydrogen, alkyl, alkenyl, alkoxy, aryl, benzyl, hydroxyalkyl, or perfluoroalkyl; 
         m is in a range of 0 to 500,000; and 
         n is in a range of 1 to 1,000,000. 
       
     
     
         5 . The disinfectant formulation according to  claim 3 , wherein B has a structure of: 
       
         
           
           
               
               
           
         
         wherein 
         R 1  is a hydrogen, alkyl, alkenyl, alkoxy, alkylamino, alkynyl, allyl, amino, anilino, aryl, benzyl, carboxyl, carboxyalkyl, carboxyalkenyl, cyano, glycosyl, halo, hydroxyl, oxazolinium mesylate, oxazolinium tosylate, oxazolinium triflate, silyl oxazolinium, phenolic, polyalkoxy, quaternary ammonium, thiol, or thioether group; 
         R 2  is a hydrogen, alkyl, alkenyl, alkoxy, alkylamino, alkynyl, allyl, amino, anilino, aryl, benzyl, carboxyl, carboxyalkyl, carboxyalkenyl, cyano, glycosyl, halo, hydroxyl, oxazolinium mesylate, oxazolinium tosylate, oxazolinium triflate, silyl oxazolinium, phenolic, polyalkoxy, quaternary ammonium, thiol, or thioether group or a macrocyclic structure; 
         R 3  is hydrogen, alkyl, alkenyl, alkoxy, aryl, benzyl, hydroxyalkyl, or perfluoroalkyl; 
         R 4  is hydrogen, alkyl, alkenyl, alkoxy, aryl, benzyl, hydroxyalkyl, or perfluoroalkyl; 
         R 5  is hydrogen, methyl, ethyl, propyl, or another type of alkyl group; 
         m is in a range of 0 to 500,000; 
         n is in a range of 1 to 1,000,000; and 
         X − , an anion, is a halogen, sulfonate, sulfate, phosphonate, phosphate, carbonate/bicarbonate, hydroxy, or carboxylate. 
       
     
     
         6 . The disinfectant formulation according to  claim 3 , wherein B is a polyethyloxazoline modified with polydiallyldimethylammonium chloride having a structure of: 
       
         
           
           
               
               
           
         
         wherein 
         R 1  is a hydrogen, alkyl, alkenyl, alkoxy, alkylamino, alkynyl, allyl, amino, anilino, aryl, benzyl, carboxyl, carboxyalkyl, carboxyalkenyl, cyano, glycosyl, halo, hydroxyl, oxazolinium mesylate, oxazolinium tosylate, oxazolinium triflate, silyl oxazolinium, phenolic, polyalkoxy, quaternary ammonium, thiol, or thioether group; 
         R 2  is a short chain alkyl group; 
         R 3  is a short chain alkyl group; 
         R 4  is hydrogen, alkyl, alkenyl, alkoxy, aryl, benzyl, hydroxyalkyl, or perfluoroalkyl; 
         m is in a range of 0 to 500,000; 
         n is in a range of 1 to 1,000,000; and 
         X − , an anion, is a halogen, sulfonate, sulfate, phosphonate, phosphate, carbonate, bicarbonate, hydroxy, or carboxylate. 
       
     
     
         7 . The disinfectant formulation according to  claim 3 , wherein B is an olefin selected from the group consisting of diallyldimethylammonium chloride, styrene, methoxystyrene, methoxyethene, or another olefin. 
     
     
         8 . The disinfectant formulation according to  claim 1 , wherein the polymer binder is prepared with a monomer of ethyloxazoline. 
     
     
         9 . The disinfectant formulation according to  claim 8 , wherein ethyloxazoline is copolymerized with a heterocyclic monomer. 
     
     
         10 . The disinfectant formulation according to  claim 1 , wherein the polymer binder employs a pendant oxazoline group on a polymer backbone. 
     
     
         11 . The disinfectant formulation according to  claim 10 , wherein the polymer backbone is an acrylic or a styrene based polymer, or a copolymer containing acrylic or styrene. 
     
     
         12 . The disinfectant formulation according to  claim 1 , wherein the surfactant is nonionic. 
     
     
         13 . The disinfectant formulation according to  claim 12 , wherein the nonionic surfactant is an ethoxylated alcohol. 
     
     
         14 . The disinfectant formulation according to  claim 1 , wherein the surfactant is an amine oxide. 
     
     
         15 . A disinfectant formulation comprising:
 a polymer binder in a range of 0.1% to 15% based on the weight of the disinfectant formulation, wherein the polymer binder is an oxazoline homopolymer or an extended or a modified polymer based on an oxazoline homopolymer,   a biocidal compound in a range of 0.05% to 10% based on the weight of the disinfectant formulation,   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 30% based on the weight of the disinfectant formulation,   glycol ether in a range of 0% to 30% 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.   
     
     
         16 . The disinfectant formulation according to  claim 15 , wherein the biocidal compound is selected from the group consisting of a quaternary ammonium compound, citric acid, sulfamic acid, glycolic acid, lactic acid, lauric acid, and capric acid, silane quaternary salts, triclosan, zinc pyrithione, metal salt, metal oxide, phenol, botanical, halogen, peroxide, heterocyclic antimicrobial, aldehyde, alcohol, and a combination thereof. 
     
     
         17 . The disinfectant formulation according to  claim 15 , wherein the quaternary ammonium compound has 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. 
       
     
     
         18 . The disinfectant formulation according to  claim 15 , wherein the quaternary ammonium compound is selected from the group consisting of n-alkyl dimethyl benzyl ammonium chloride, di-n-octyl dimethyl ammonium chloride, dodecyl dimethyl ammonium chloride, n-alkyl dimethyl benzyl ammonium saccharinate, 3-(trimethoxysilyl) propyldimethyloctadecyl ammonium chloride, and a combination thereof. 
     
     
         19 . The disinfectant formulation according to  claim 15 , wherein the quaternary ammonium compound is present in a composition comprising: N-alkyl dimethyl benzyl ammonium chloride, N-octyl decyl dimethyl ammonium chloride, di-n-decyl dimethyl ammonium chloride, and di-n-dioctyl dimethyl ammonium chloride.
 wherein the quaternary ammonium compound is a polymeric version having a structure of:   
       
         
           
           
               
               
           
         
         wherein 
         R 1  is hydrogen, methyl, ethyl, propyl or other carbon alkyl group; 
         R 2  is hydrogen, methyl, ethyl, propyl or other carbon alkyl group; 
         R 3  is methylene, ethylene, propylene or other alkylene linking group; 
         R 4  is methylene, ethylene, propylene or other alkylene linking group; 
         R 5  is hydrogen, methyl, ethyl, propyl or other carbon alkyl group; 
         R 6  is hydrogen, methyl, ethyl, propyl or other carbon alkyl group; and 
         n is in a range of 2 to 10,000. 
       
     
     
         20 . The disinfectant formulation according to  claim 19 , wherein the polymeric version is a cationic polymer. 
     
     
         21 . The disinfectant formulation according to  claim 20 , wherein the cationic polymer is a polyamine derived from dimethylamine and epichlorohydrin. 
     
     
         22 . The disinfectant formulation according to  claim 15 , wherein the quaternary ammonium compound is poly diallyldimethylammonium chloride, polyDADMAC, or a compound comprising a biguanide moiety in the molecule.