Disinfectant composition

Abstract

A disinfectant cleaning composition, the composition comprising: a nitrogen containing biocidal compound; a polymer comprising monomers of the following formulae: a) H2C═CR1—CO— NH—R2—N+R3R4R5X— wherein R1 represents hydrogen or C1-C4 alkyl; R2 represents linear or branched C1-C12 alkylene; R3, R4 and R5, independently of one another, each represent hydrogen, C1-C18 alkyl or phenyl; and X- represents an anion selected from the group consisting of halide, sulfate, alkylsulfate, hydroxide, phosphate, acetate and formate; b) 40-75% by weight of N-isopropylacrylamide, based on the water-soluble polymer; c) acrylic and/or methacrylic acid and/or salts thereof; and d) H2C═CR—CO—NH—CR'R"R'"—SO3H, and salts thereof; wherein R, R′ and R″ independently represent hydrogen, C1-C4 alkyl or C1-C4 alkylene, and R‴ independently represents C1-C4 alkyl or C1-C4 alkylene.

What is claimed is: 
     
         1 . A disinfectant cleaning composition comprising:
 i) a nitrogen containing biocidal compound;   ii) a polymer comprising monomers of the following formulae:
 a) H2C═CR1—CO—NH—R2—N+R3R4R5X— 
 wherein R1 represents hydrogen or C1-C4 alkyl; 
 R2 represents linear or branched C1-C12 alkylene; 
 R3, R4 and R5, independently of one another, each represent hydrogen, C1-C18 alkyl or phenyl; 
 and X- represents an anion selected from the group consisting of halide, sulfate, alkylsulfate, hydroxide, phosphate, acetate and formate; 
 b) 40-75% by weight of N-isopropylacrylamide, based on the water-soluble polymer; 
 c) acrylic and/or methacrylic acid and/or salts thereof; and 
 d) H2C═CR—CO—NH—CR'R"R'"—SO3H, and salts thereof; wherein R, R′ and R″, 
 independently represent hydrogen, C1-C4 alkyl or C1-C4 alkylene, and R‴ 
 independently represents C1-C4 alkyl or C1-C4 alkylene, 
 wherein the nitrogen containing biocidal compound comprises a quaternary ammonium compound 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. 
   
     
     
         2 . The composition according to  claim 1 , wherein the nitrogen containing biocidal compound has the following formula:
                        wherein   R1 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated;   R2 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated;   R3 is alkyl, alkoxy, or aryl, either with or without heteroatoms, or saturated or non-saturated;   R4 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.   
     
     
         3 . The composition according to  claim 1 , wherein the nitrogen containing biocidal compound is a mixture comprising: from about 30% to about 50%, by weight of the mixture of N-alkyl dimethyl benzyl ammonium chloride, from about 20% to about 40% by weight of the mixture of N-octyl decyl dimethyl ammonium chloride, from about 5% to about 25% by weight of the mixture of di-n-decyl dimethyl ammonium chloride, and about 5% to about 25% by weight of the mixture of di-n-dioctyl dimethyl ammonium chloride. 
     
     
         4 . The composition according to  claim 1 , wherein the monomers a), b), c), and d) are present in weight ratios of about 25 to about 45%, about 40 to about 70%, about 1 to about 15%, and about 1 to about 15%, respectively, based on 100% weight of the polymer. 
     
     
         5 . The composition according to  claim 1 , wherein the polymer comprises monomers of trimethylammoniumpropylmethacrylamide chloride; of N-isopropylacrylamide; acrylic acid and/or methacrylic acid and salts thereof; and 2-acrylamido-2-methyl-1-propane-sulfonic acid. 
     
     
         6 . The composition according to  claim 1 , wherein the composition is in the form of an aqueous liquid. 
     
     
         7 . The composition according to  claim 1 , comprising from about 0.1% to about 5% by weight of the composition of the polymer. 
     
     
         8 . The composition according to  claim 1 , comprising from about 0.05% to about 5% by weight of the composition of the nitrogen containing biocidal compound. 
     
     
         9 . The composition according to  claim 1 , comprising from about 0.05% to about 5% by weight of the composition of a surfactant, wherein the surfactant is selected from the group consisting of alkyl polyglucoside, fatty alcohol alkoxylate, betaine, alkyl glucamine, alkyl glucamide, amine oxide and mixtures thereof. 
     
     
         10 . The composition according to  claim 1 , comprising from about 0.1% to about 10% by weight of the composition of a pH adjusting agent. 
     
     
         11 . The composition according to  claim 1 , comprising:
 i) from about 0.05% to about 2% by weight of the composition of the nitrogen containing biocidal compound;   ii) from about 0.1% to about 4% by weight of the composition of the polymer, preferably the polymer comprises monomers of trimethylammoniumpropylmethacrylamide chloride; of N-isopropylacrylamide; acrylic acid and/or methacrylic acid and salts thereof; and 2-acrylamido-2-methyl-1-propane-sulfonic acid;   iii) from about 0.05% to about 2% by weight of the composition of a surfactant selected from the group consisting of an amine oxide surfactant, a non-ionic surfactant and mixtures thereof.   iv) from about 0.2% to about 3% by weight of the composition of a pH adjusting agent; and   v) from about 90% to about 99% of water.   
     
     
         12 . The composition according to  claim 1 , wherein the composition imparts biocidal residuality to a surface. 
     
     
         13 . An article treated with the composition according to  claim 1 , wherein the article is in the form of a wipe or in the form of any disposable substrate.