Paper product having unique physical properties

• US 8,211,271 B2
• Filed: 08/19/2010
• Issued: 07/03/2012
• Est. Priority Date: 08/19/2010
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Polat, Osman, Sheehan, Jeffrey Glen
• Primary Examiner(s): Fortuna, Jose A
• Application Number:
  US12/859,495
• Publication Number:
  US 20120043037A1
• Time in Patent Office: 684 Days
• Field of Search: 162/109, 162116-117, 162123-133, 428152-153, 428/156, 428/172, 428/174
• US Class Current: 162/123
• CPC Class Codes: B31F 1/07 Embossing , i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profilesB31F1/128 takes precedence; corrugating B31F1/20; embossing in combination with printing B41F19/02, B41M1/24; typewriters for embossing B41J3/38; stamping in combination with deforming B41K3/36
• CPC Class Codes: B32B 29/00 Layered products comprising a layer of paper or cardboard
• CPC Class Codes: D21H 1/02 Multi-ply material finished plies
• CPC Class Codes: D21H 11/04 Kraft or sulfate pulp
• CPC Class Codes: D21H 27/004 characterised by specific parameters D21H27/008 takes precedence
• CPC Class Codes: D21H 27/005 relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
• CPC Class Codes: D21H 27/007 relating to absorbency, e.g. amount or rate of water absorption, optionally in combination with other parameters relating to physical or mechanical properties
• CPC Class Codes: D21H 27/02 Patterned paper patterned coatings D21H19/66; embossing B31F1/07; prepared on the paper-making machines D21F11/00
• CPC Class Codes: D21H 27/30 Multi-ply for surface covering D21H27/18; making on paper-making machines D21F9/00, D21F11/00
• CPC Class Codes: D21H 27/38 at least one of the sheets having a fibrous composition differing from that of other sheets
• CPC Class Codes: D21H 27/40 at least one of the sheets being non-planar, e.g. crêped crêping or corrugating paper B31F
• CPC Class Codes: Y10T 428/24479 including variation in thickness
• CPC Class Codes: Y10T 428/24612 Composite web or sheet
• CPC Class Codes: Y10T 428/27 Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
• CPC Class Codes: Y10T 442/184 Nonwoven scrim
• CPC Class Codes: Y10T 442/198 Coated or impregnated
• CPC Class Codes: Y10T 442/2361 Coating or impregnation improves stiffness of the fabric other than specified as a size

Abstract

A multiple ply paper product having an SST value ratio of greater than about 1.6 g/sec^1/2 is disclosed. Additionally, a multiple ply paper product having a residual water value, R_W, of less than about 0.05 g is disclosed.

Claims

1. A multiple ply paper product having a slope of the Square Root of Time, SST, value of greater than about 1.6g/sec^1/2.

2. The multiple ply paper product of claim 1 wherein said multiple ply paper product has an SST value of greater than about 1.7g/sec^1/2.

3. The multiple ply paper product of claim 2 wherein said multiple ply paper product has an SST value of greater than about 1.8g/sec^1/2.

4. The multiple ply paper product of claim 1 wherein said multiple ply paper product has a residual water value, R_w, of less than about 0.12g.

5. The multiple ply paper product of claim 4 wherein said multiple ply paper product has a residual water value, R_w, of less than about 0.08g.

6. The multiple ply paper product of claim 5 wherein said multiple ply paper product has a residual water value, R_w, of less than about 0.04g.

7. The multiple ply paper product of claim 4 wherein said multiple ply paper product has a Vertical Full Sheet, VFS, value of greater than about 8.26g/g.

8. The multiple ply paper product of claim 7 wherein said multiple ply paper product has a VFS value of greater than about 9.00g/g.

9. The multiple ply paper product of claim 1 wherein said multiple ply paper product has a Vertical Full Sheet, VFS, value of greater than about 8.26g/g.

10. The multiple ply paper product of claim 9 wherein said multiple ply paper product has a VFS value of greater than about 9.00g/g.

11. A multiple ply paper product having a residual water value, R_w, of less than about 0.05g and a Slope of the Square Root of Time, SST, value of greater than about 1.05g/sec^1/2.

12. The multiple ply paper product of claim 11, the multiple ply paper product having a residual water value, R_w, of less than about 0.04g.

13. The multiple ply paper product of claim 12, the multiple ply paper product having a residual water value, R_w, of less than about 0.02g.

14. The multiple ply paper product of claim 11 having an SST value of greater than about 1.29g/sec^1/2.

15. The multiple ply paper product of claim 14 having an SST value of greater than about 1.60g/sec^1/2.

16. The multiple ply paper product of claim 15 having an SST value of greater than about 2.0g/sec^1/2.

17. The multiple ply paper product of claim 11 wherein said multiple ply paper product has a Vertical Full Sheet, VFS, value of greater than about 8.26g/g.

18. The multiple ply paper product of claim 17 wherein said multiple ply paper product has a VFS value of greater than about 9.00g/g.

19. The multiple ply paper product of claim 18 wherein said multiple ply paper product has a VFS value of greater than about 10.00g/g.

20. A multiple ply paper product having a residual water value, Rw, of less than about 0.05g and a Vertical Full Sheet, VFS, value of greater than about 8.26g/g.