Low Residue Disinfecting Wipes
The present disclosure is directed to a wiping composition. The composition contains a quaternary ammonium compound in a concentration sufficient to have antimicrobial efficacy. In order to reduce streaking and/or film formation during use of the wiping composition, the composition further contains a residue reducing surfactant. In one embodiment, the residue-reducing surfactant comprises a betaine surfactant.
1 . A wiping composition for disinfecting surfaces with reduced streaking, the wiping composition comprising an aqueous solution containing an antimicrobial agent and a residue reducing surfactant, the antimicrobial agent comprising a quaternary ammonium cation, the residue reducing surfactant comprising an amphoteric surfactant, the antimicrobial agent being present in the wiping composition in relation to the residue reducing surfactant at a weight ratio of from about 1:0.2 to about 1:10.
2 . A wiping composition as defined in claim 1 , wherein the amphoteric surfactant comprises a betaine surfactant.
3 . A wiping composition as defined in claim 1 , wherein the quaternary ammonium cation comprises a halide salt of a quaternary ammonium cation.
4 . A wiping composition as defined in claim 1 , wherein the quaternary ammonium cation comprises an alkyl dimethyl benzyl ammonium chloride, a dialkyl dimethyl ammonium chloride, an alkyl dimethyl ethyl benzyl ammonium chloride, or mixtures thereof.
5 . A wiping composition as defined in claim 1 , where in the residue reducing surfactant comprises cocoamidopropyl betaine.
6 . A wiping composition as defined in claim 1 , where the only solvent contained in the wiping composition is water.
7 . A wiping composition as defined in claim 1 , wherein the composition further contains a chelating agent and a pH builder, the pH builder comprising a silicate, the wiping composition further containing at least one nonionic surfactant, the nonionic surfactant comprising an ethoxylated alcohol, and wherein the antimicrobial agent is present in the aqueous solution in an amount less than about 2% by weight, and wherein the residue reducing surfactant is present in the aqueous solution in an amount less than about 2% by weight, and wherein water is contained in the wiping composition in an amount greater than about 90% by weight.
8 . A wiping composition as defined in claim 1 , wherein the residue reducing surfactant has the following formula:
wherein R 2 comprises an alkyl group having up to 20 carbon atoms.
9 . A wiping composition as defined in claim 1 , wherein the residue reducing surfactant comprises decyl betaine, myristyl betaine, palmityl betaine, lauryl betaine, cetyl betaine, stearyl betaine, coco dimethyl carboxymethyl betaine (“cocobetaine”), cocoamidoethyl betaine, cocoamidopropyl betaine, lauramidopropyl betaine, myristyl amidopropyl betaine, lauryl dimethyl carboxymethyl betaine, lauryl dimethyl alpha-carboxy-ethyl betaine, cetyl dimethylcarboxymethyl betaine, lauryl bis-(2-hydroxy-ethyl) carboxy methyl betaine, stearyl bis-(2-hydroxy-propyl) carboxymethylbetaine, oleyl dimethyl gamma-carboxypropyl betaine, lauryl bis-(2-hydroxypropyl) alpha-carboxyethyl betaine, cocoamidopropyl dimethyl betaine, or mixtures thereof.
10 . A wiping composition as defined in claim 1 , wherein the residue reducing surfactant comprises a polymeric betaine.
11 . A wiping composition as defined in claim 10 , wherein the residue reducing surfactant has the following formula:
12 . A wiping composition as defined in claim 1 , wherein the antimicrobial agent comprises a di C8-C12 alkyl ammonium chloride.
13 . A wiping composition as defined in claim 1 , wherein the wiping composition comprises a concentrate that is diluted prior to use, the concentrate containing the quaternary ammonium cation in an amount of from about 5% to about 40% by weight.
14 . A wiping composition as defined in claim 1 , wherein the quaternary ammonium cation comprises a carbonate/bicarbonate salt of a quaternary ammonium cation.
15 . A premoistened wiping product comprising:
a liquid absorbent substrate; and
a wiping composition contained within the substrate, the wiping comprising an aqueous solution containing an antimicrobial agent combined with a residue reducing surfactant, the antimicrobial agent comprising a quaternary ammonium cation, the residue reducing surfactant comprising an amphoteric surfactant.
16 . A premoistened wiping product as defined in claim 15 , wherein the residue reducing surfactant comprises a betaine surfactant or polymeric betaine.
17 . A premoistened wiping product as defined in claim 15 , wherein the residue reducing surfactant comprises cocoamidopropyl betaine.
18 . A premoistened wiping product as defined in claim 15 , wherein the residue reducing surfactant has the following formula:
wherein R 2 comprises an alkyl group having up to 20 carbon atoms.
19 . A premoistened wiping product as defined in claim 15 , wherein the residue reducing surfactant has the following formula:
20 . A premoistened wiping product as defined in claim 15 , wherein the antimicrobial agent is present in relation to the residue reducing agent at a weight ratio of from about 1:0.2 to about 1:10.
21 . A premoistened wiping product as defined in claim 15 , wherein the antimicrobial agent is present in the aqueous solution in an amount less than 1% by weight, and wherein the residue reducing surfactant is present in the aqueous solution in an amount less than about 2% by weight, and wherein the wiping composition further contains at least one nonionic surfactant comprising an ethoxylated alcohol, and wherein the wiping composition further contains a silicate, and wherein the quaternary ammonium cation comprises a di C8 to C12 alkyl ammonium chloride.
22 . A premoistened wiping product as defined in claim 15 , wherein the liquid absorbent substrate comprises a nonwoven web and wherein the liquid absorbent substrate comprises a meltblown web, a coform web, a spunbond web, an airlaid web, an airlaced web, a hydroentangled web, a bonded carded web, or a laminate thereof.