Pre-moistened wipe for treating a surface

Abstract

The present invention relates to a pre-moistened wipe for treating a surface, said pre-moistened wipe comprising: (a) a substrate; wherein said substrate is substantially free of a binder or latex and said substrate is made of at least about 20% synthetic material; and (b) an aqueous composition applied to said substrate, said composition comprising a low-residue surfactant.

1 . A pre-moistened wipe for treating a surface, said pre-moistened wipe comprising: 
 (a) a substrate; wherein said substrate is substantially free of a binder or latex and wherein said substrate is made of at least about 20% synthetic material; and    (b) an aqueous composition applied to said substrate, said composition comprising a low-residue surfactant.    
     
     
         2 . The pre-moistened wipe of  claim 1  wherein said substrate is made by hydroentangling.  
     
     
         3 . The pre-moistened wipe of  claim 1  wherein said substrate herein comprises from about 35% to about 90% synthetic material.  
     
     
         4 . The pre-moistened wipe of  claim 1  wherein said synthetic material is selected from the group consisting of polyethylene, polypropylene, polyester and mixtures thereof.  
     
     
         5 . The pre-moistened wipe of  claim 1  wherein said composition further comprises an acidifying agent.  
     
     
         6 . The pre-moistened wipe of  claim 5  wherein said acidifying agent is an organic acid.  
     
     
         7 . The pre-moistened wipe of  claim 6  wherein said organic acid is selected from the group consisting of citric acid, tartaric acid, lactic acid and mixtures thereof.  
     
     
         8 . The pre-moistened wipe of  claim 6  wherein said organic acid is citric acid.  
     
     
         9 . The pre-moistened wipe of  claim 5  wherein the level of said acidifying agent is from about 0.1% to about 2% by weight.  
     
     
         10 . The pre-moistened wipe of  claim 1  wherein said composition further comprises an alkaline agent.  
     
     
         11 . The pre-moistened wipe of  claim 10  wherein the level of said alkaline agent is from about 0.01% to about 0.50% by weight.  
     
     
         12 . The pre-moistened wipe of  claim 10  wherein said alkaline agent is selected from the group consisting of 1,3-bis(methylamine) cylohexane, 1-amino-2-methyl-1-propanol, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, ammonia and mixtures thereof.  
     
     
         13 . The pre-moistened wipe of  claim 10  wherein said alkaline agent is selected from the group consisting of sodium hydroxide, sodium carbonate and ammonia and mixtures thereof.  
     
     
         14 . The pre-moistened wipe of  claim 1  wherein said low-residue surfactant is selected from the group consisting of zwitterionic surfactants, amphoteric surfactants, non-ionic surfactants comprising at least one sugar moiety and mixtures thereof.  
     
     
         15 . The pre-moistened wipe of  claim 1  wherein said low-residue surfactant is selected from the group consisting of sulfobetaines, betaines, ampho glycinates, ampho propionates, poly alkyl glycosides, sucrose esters and mixtures thereof.  
     
     
         16 . The pre-moistened wipe of  claim 15  wherein said low-residue surfactant is selected from the group consisting of sulfobetaines, poly alkyl glycosides and mixtures thereof.  
     
     
         17 . The pre-moistened wipe of  claim 1  wherein the level of low-residue surfactant is from about 0.01% to about 1.5% by weight.  
     
     
         18 . The pre-moistened wipe of  claim 1  wherein said composition comprises a polymeric biguanide.  
     
     
         19 . The pre-moistened wipe of  claim 18 , wherein said polymeric biguanide is selected from the group consisting of oligo-hexamethylene biguanide, poly-hexamethylene biguanide, salts thereof and mixtures thereof.  
     
     
         20 . The pre-moistened wipe of  claim 18  wherein said polymeric biguanide is poly (hexamethylene biguanide)hydrochloride.  
     
     
         21 . The pre-moistened wipe of  claim 1  that additionally comprises from about 0.5% to about 25% by weight of a solvent.  
     
     
         22 . The pre-moistened wipe of  claim 21  wherein said solvent has a vapour pressure of about 6.66 Pa (about 0.05 mm Hg at 25° C. and atmospheric pressure).  
     
     
         23 . The pre-moistened wipe of  claim 1  wherein said pre-moistened wipe further comprises a hydrotrope.  
     
     
         24 . The pre-moistened wipe of  claim 23  wherein said hydrotrope is a alkyl ethoxylate comprising from about 8 to about 18 carbon atoms in the hydrophobic group and at least an average of about 15 ethoxylate groups per hydrophobic group.  
     
     
         25 . The pre-moistened wipe of  claim 1  wherein said substrate is loaded at a factor of from about 1 gram of aqueous solution per gram of substrate to about 10 grams of aqueous solution per gram of substrate.  
     
     
         26 . The pre-moistened wipe of  claim 1  wherein said substrate comprises a homogeneous blend of synthetic and non-synthetic fibers.  
     
     
         27 . The pre-moistened wipe of  claim 1  wherein said substrate is comprises a non-homogeneous blend of fibers such that at least one of the visible surface areas of the substrate has a significantly higher synthetic content than the overall substrate composition.  
     
     
         28 . A method of cleaning a surface, comprising the steps of: 
 contacting said surface with a pre-moistened wipe according to  claim 1;  and    wiping said surface with said pre-moistened wipe.