Textured Multi-Ply Sanitary Paper Product Having Optimized Emboss Patterns

Abstract

A multi-ply paper product having a first ply and a second ply. The first ply has a plurality of first surface features, the first surface features have a number density of from about 5/cm 2 to about 20/cm 2 , a surface area of from about 0.3 mm 2 to about 4 mm 2 , and a height of from about 600 microns to about 2500 microns. The second ply has a plurality of second surface features with a number density of from about 30/cm 2 to about 80/cm 2 , a surface area of from about 0.03 mm 2 to about 1.2 mm 2 , and a height of from about 400 microns to about 1600 microns.

1 . A multi-ply paper product comprising a first ply and a second ply;
 the first ply comprising a plurality of first surface features, wherein there are from about 5/cm 2  to about 20/cm 2  first surface features, and wherein the first surface features have a surface area of from about 0.3 mm 2  to about 4 mm 2  and wherein the first surface features have a height of from about 600 microns to about 2500 microns; and   the second ply comprising a plurality of second surface features, wherein there are from about 30/cm 2  to about 80/cm 2  second surface features, and wherein the second surface features have a surface area of from about 0.03 mm 2  to about 1.2 mm 2  and wherein the surface features have a height of from about 400 microns to about 1600 microns.   
   
   
       2 . The multi-ply paper product according to  claim 1  wherein the first surface features have a height of from about 800 microns to about 2000 microns. 
   
   
       3 . The multi-ply paper product according to  claim 2  wherein the first surface features have a height of from about 1000 microns to about 1600 microns 
   
   
       4 . The multi-ply paper product according to  claim 1  wherein the second surface features have a height of from about 600 microns to about 1200 microns. 
   
   
       5 . The multi-ply paper product according to  claim 4  wherein the second surface features have a height of from about 800 microns to about 1000 microns. 
   
   
       6 . The multi-ply paper product according to  claim 1  wherein there are from about 8/cm 2  to about 17/cm 2  first surface features. 
   
   
       7 . The multi-ply paper product according to  claim 6  wherein there are from about 10/cm 2  to about 15/cm 2  first surface feature. 
   
   
       8 . The multi-ply paper product according to  claim 1  wherein there are from about 45/cm 2  to about 65/cm 2  second surface features. 
   
   
       9 . The multi-ply paper product according to  claim 8  wherein there are from about 50/cm 2  to about 60/cm 2  second surface features. 
   
   
       10 . A multi-ply paper product in roll form comprising a first ply and a second ply:
 the first ply comprising a plurality of first surface features wherein there are from about 5/cm 2  to about 20/cm 2  first surface features, and wherein the first surface features have a surface area of from about 0.3 mm 2  to about 4 mm 2  and wherein the first surface features have a height of from about 600 microns to about 2500 microns;   the second ply comprising a plurality of second surface features where are from about 30/cm 2  to about 80/cm 2  second surface features, and wherein the second surface features have a surface area of from about 0.03 mm 2  to about 1.2 mm 2  and wherein the surface features have a height of from about 400 microns to about 1600 microns;   wherein the paper product has a firmness of about 10% greater than a comparable paper product having one embossed ply and one unconverted ply in roll form.   
   
   
       11 . The multi-ply paper product according to  claim 10  wherein the absorbent paper product comprises a firmness of from about 10% to about 50% greater than the firmness of a conventional comparable roll paper product in roll form. 
   
   
       12 . The multi-ply paper product according to  claim 11  wherein the absorbent paper product comprises a firmness of from about 20% to about 40% greater than the firmness of a conventional comparable roll paper product in roll form. 
   
   
       13 . The multi-ply paper product according to  claim 10  wherein the first surface features are embossments. 
   
   
       14 . The multi-ply paper product according to  claim 10  wherein the second surface features are embossments. 
   
   
       15 . A multi-ply paper product in roll form comprising a first ply and a second ply:
 the first ply having a first basis weight and comprising a plurality of first surface features having a number density of from about 5/cm 2  to about 20/cm 2  and wherein the first surface features have a surface area of from about 0.3 mm 2  to about 4 mm 2  and wherein the first surface features have a height of from about 600 microns to about 2500 microns;   the second ply having a second basis weight and comprising a plurality of second surface features having a number density of from about 30/cm 2  to about 80/cm 2  and wherein the second surface features have a surface area of from about 0.03 mm to about 1.2 mm 2  and wherein the surface features have a height of from about 400 microns to about 1600 microns;   wherein the paper product has a firmness of about 10% greater than a comparable paper product having one embossed ply and one unconverted ply in roll form; and   wherein the paper product has a basis weight of from about 12 to about 50 lbs/3000 ft 2 .   
   
   
       16 . The multi-ply paper product according to  claim 15  wherein the absorbent paper product has a basis weight of from about 18 lbs/3000 ft 2  to about 30 lbs/3000 ft 2 . 
   
   
       17 . The multi-ply paper product according to  claim 16  wherein the absorbent paper product has a basis weight of from about 18 lbs/3000 ft 2  to about 26 lbs/3000 ft 2 . 
   
   
       18 . The multi-ply paper product according to  claim 15  wherein the absorbent paper product has a firmness of from about 10% to about 50% greater than the firmness of a conventional comparable roll paper product in roll form. 
   
   
       19 . The multi-ply paper product according to  claim 15  wherein the basis weight of the first ply is at least 15% greater than the basis weight of the second ply. 
   
   
       20 . The multi-ply paper product according to  claim 19  wherein the basis weight of the second ply is from about 15% to about 75% greater than the basis weight of the second ply.