Partitionable paper towel
The present disclosure is directed to a paper towel product that will capably separate from the paper towel roll as a full sheet, a half sheet or a quarter sheet. A method of making a paper towel with machine direction perforations is also disclosed.
1. A rolled paper towel product of at least one paper web, the rolled towel product comprising:
a basis weight of at least about 35 g/sq. meter;
a SAT absorbent capacity of at least about 300 grams/sq. meter;
at least one mechanical perforation line in the CD direction having a perforation strength and wherein the perforation strength is between about 450 grams/3 inches and about 950 grams/3 inches;
at least one mechanical perpendicular perforation line in the MD direction having a perforation strength and wherein the perforation strength of the perpendicular perforation line is between about 770 grams/3 inches and about 1700 grams/3 inches;
wherein the perforation strength in the MD direction is greater than the perforation strength in the CD direction; and
wherein the ratio between the perforation tensile strength of the mechanical perpendicular perforation line and the CD tensile strength of the paper web is at least about 32%.
2. The paper towel product of claim 1 , wherein the paper towel product has a basis weight of at least about 50 g/sq. meter.
3. The paper towel product of claim 1 , wherein the paper towel product has a ratio of perpendicular perf tensile/perf tensile of at least about 1.15.
4. The paper towel product of claim 1 , wherein the ratio between the perforation tensile strength of the mechanical perpendicular perforation line and the CD tensile strength of the paper web is at least about 32%.
5. The paper towel product of claim 1 , wherein the product comprises at least two paper webs produced by through drying.
6. The paper towel product of claim 1 , wherein the SAT absorbent capacity is at least bout 550 grams/sq. meter.
7. The paper towel product of claim 6 , wherein the MD perforation line and the CD perforation line intersect to form 2 squares.
8. The paper towel product of claim 1 , wherein the MD perforation line comprises perforations having an aspect ratio of less than 3.
9. The paper towel product of claim 1 , wherein the MD perforation line bisects the paper towel into two approximately equal pieces.
10. The paper towel product of claim 1 , wherein the product is embossed.