Hand and Surface Cleaning Wet Wipe

Abstract

The disclosure provides a wet wipe for hand and surface cleaning applications which includes a first nonwoven fibrous layer made of continuous polyolefin filaments, a second nonwoven fibrous layer made of polyolefin filaments, said second nonwoven fibrous layer being, and third nonwoven fibrous layer made of continuous polyolefin filaments, in which the second nonwoven fibrous layer is located between the first nonwoven fibrous layer and the third nonwoven fibrous layer; and wherein the first, second and third nonwoven fibrous layers are bonded together to from a multilayered nonwoven fabric, wherein liquid is retained in the multilayered nonwoven fabric and the liquid wets said multilayered nonwoven fabric, the dry volume of said multilayered nonwoven fabric is substantially unchanged after retaining said liquid, and wherein the density of the dry said multilayered nonwoven fabric is at least 0.15 grams per centimeter cube.

1 . A wet wipe for hand and surface cleaning applications comprising:
 first nonwoven fibrous layer made of continuous polyolefin filaments and produced by a first respective nonwoven manufacturing process;   second nonwoven fibrous layer made of polyolefin filaments, said second nonwoven fibrous layer being produced by a second respective nonwoven manufacturing process; and   third nonwoven fibrous layer made of continuous polyolefin filaments and produced by a third respective nonwoven manufacturing process,   wherein said second nonwoven fibrous layer being located between said first nonwoven fibrous layer and said third nonwoven fibrous layer; and   wherein the first, second and third nonwoven fibrous layers are bonded together to from a multilayered nonwoven fabric,   wherein liquid is retained in the multilayered nonwoven fabric and said liquid wets said multilayered nonwoven fabric, the dry volume of said multilayered nonwoven fabric is substantially unchanged after retaining said liquid, and   wherein the density of the dry said multilayered nonwoven fabric is at least 0.15 grams per centimeter cube.   
     
     
         2 . The wet wipe according to  claim 1 , wherein said first respective nonwoven manufacturing process and said third respective nonwoven manufacturing process are Spunlaid processes, and
 wherein said second respective nonwoven manufacturing process is a Meltblown process.   
     
     
         3 . The wet wipe according to  claim 1 , wherein said first respective nonwoven manufacturing process is a Spunlaid process, and
 wherein said second respective nonwoven manufacturing process and said third respective nonwoven manufacturing process are Meltblown processes.   
     
     
         4 . The wet wipe according to  claim 1 , wherein said first respective nonwoven manufacturing process and said third respective nonwoven manufacturing process are Meltblown processes, and
 wherein said second respective nonwoven manufacturing process is a Spunlaid process.   
     
     
         5 . The wet wipe according to  claim 1 , wherein either said first layer or said third layer is an abrasive layer. 
     
     
         6 . The wet wipe according to  claim 1 , wherein the dry fabric machine direction tensile of said fabric is between 20 and 200 Newtons per 5 centimeters tested sample width. 
     
     
         7 . The wet wipe according to  claim 1 , wherein the dry fabric cross direction tensile of said fabric is between 30 and 150 Newtons per 5 centimeters tested sample width. 
     
     
         8 . The wet wipe according to  claim 1 , wherein the dry fabric machine direction tensile to cross direction tensile ratio is between 1:1 and 5:1. 
     
     
         9 . The wet wipe according to  claim 1 , wherein the dry fabric GSM of the dry fabric is between 20 and 200 grams per meter square. 
     
     
         10 . The wet wipe according to  claim 1 , wherein the dry fibers denier of the dry fabric is between 0.3-15. 
     
     
         11 . The wet wipe according to  claim 1 , wherein said liquid is a cleaning solution. 
     
     
         12 . The wet wipe according to  claim 11 , wherein said cleaning solution contains at least 50% water. 
     
     
         13 . The wet wipe according to  claim 12 , wherein said cleaning solution further contains a selected combination and selected portions of the following:
 0-50% by weight hydrocarbon solvents;   0-10% by weight detergents;   0-10% by weight preservatives;   0-5% by weight antioxidants;   0-10% by weight biological additives/emollients;   0-10% by weight fragrance;   0-10% by weight buffering agent;   0-35% by weight organic esters;   0-10% disinfecting agents;   0-10% by weight emulsifier; and   0-5% by weight pH adjuster.   
     
     
         14 . The wet wipe according to  claim 1 , wherein said first, second and third nonwoven fibrous layers are bonded together by passing between two calenders. 
     
     
         15 . The wet wipe according to  claim 1 , wherein said first, second and third nonwoven fibrous layers are bonded together by passing through an air-through bonding unit, said air-through bonding unit includes a hot air source and an air suction unit. 
     
     
         16 . The wet wipe according to  claim 1 , wherein said polyolefin is selected from the group consisting of:
 polypropylene; and   polyethylene.   
     
     
         17 . The wet wipe according to  claim 1 , wherein said multilayered fabric is slit and divided into wipes of determined size and said wipes are stacked,
 wherein each stack of wipes is placed in a package,   wherein said package is closed, and   wherein said wipes in said package are wet wipes, wetted with a predetermined quantity of said liquid.   
     
     
         18 . The wet wipe according to  claim 17 , wherein said predetermined quantity of said liquid is added to said package after the stack wipes are place in said package. 
     
     
         19 . The wet wipe according to  claim 17 , wherein each stack of wipes is wetted with said predetermined quantity of said liquid prior to said wipes being place in said package, and
 wherein said package is soft pack.   
     
     
         20 . The wet wipe according to  claim 17 , wherein the said multilayered fabric is wetted with said predetermined quantity of said liquid prior to being slit and divided into wipes, and
 wherein said package is soft pack.   
     
     
         21 . The wet wipe according to  claim 17 , wherein said predetermined quantity of said liquid is 100% to 800% by dry weight of said wipes. 
     
     
         22 . The wet wipe according to  claim 18 , wherein said predetermined quantity of said liquid is 200% to 400% by dry weight of said wipes.