Body attachable drapeable sanitary absorbent napkin with AI, MCB and BW values
View Patent ↗A body attachable absorbent article including a cover layer, a barrier layer and an absorbent system arranged between the cover layer and the barrier layer, the absorbent article being drapeable and possessing the absorbency attributes required of a sanitary napkin.
1. A body attachable absorbent article comprising:
a cover layer;
a barrier layer;
an absorbent system arranged between said cover layer and said barrier layer;
an adhesive applied to a body facing surface of said article for securing said article to the body;
wherein said absorbent article has a total thickness of less than 2.5 mm;
wherein the absorbent article has at least a portion that satisfies one of the following equations:
AI>2.37−0.77 ln(BW/MCB), where BW/MCB is ≦5.9; and
AI>1.0, where BW/MCB is >5.9.
2. The absorbent article according to claim 1 , wherein said absorbent article has a thickness of less than 2.0 mm.
3. The absorbent article according to claim 1 , wherein said absorbent article has a thickness of less than 1.5 mm.
4. The absorbent article according claim 1 , wherein said absorbent system includes superabsorbent material.
5. The absorbent article according to claim 4 , wherein said absorbent system comprises a material including a mixture of cellulosic fibers and superabsorbent material.
6. The absorbent article according to claim 5 , wherein said material contains from about 90% to about 40% cellulosic fibers and about 10% to about 40% SAP.
7. The absorbent article according to claim 6 , wherein said material is embossed to have at least a first region and a second region.
8. The absorbent article according to claim 7 , wherein said first region has a density greater than said second region.
9. The absorbent article according to claim 8 , wherein said first region covers about 20% to about 60% of said of the surface area of the material and wherein said second region comprises between about 40% and about 80% of said material.
10. The absorbent article according to claim 9 , wherein said first region has a density greater than 0.3 g/cc and said second region has a density in the range from about 0.07 to about 0.25 g/cc.
11. The absorbent article according to claim 10 , wherein said material has a basis weight of about 50 to about 600 gsm.
12. The absorbent article according to claim 1 , wherein said absorbent system is a material manufactured by an air-laying process.
13. The absorbent article according to claim 12 , wherein said material comprises cellulosic fibers, binder material and nonbonding materials.
14. The absorbent article according to claim 13 , wherein said material includes less than 50% cellulosic fibers, less than 20% binder material and greater than 30% non-bonding materials.
15. The absorbent article according to claim 14 , wherein said material has a basis weight of about 50 gsm to about 600 gsm.
16. The absorbent article according to claim 1 , wherein said absorbent system is substantially entirely SAP.
17. The absorbent article according to claim 16 , wherein said SAP is present in an amount of at least 50 gsm.
18. The absorbent article according to claim 16 , wherein said SAP is present in an amount of between about 100 gsm and about 150 gsm.
19. The absorbent article according to claim 16 , wherein said SAP has an absorbency rate of at least 20 g/g after 1 minute.
20. The absorbent article according to claim 16 , wherein said SAP has a total capacity of at least 40 g/g.
21. The absorbent article according to claim 16 , wherein said SAP is secured to an internal surface of said barrier.
22. The absorbent article according to claim 21 , wherein said SAP is secured to said internal surface of said barrier by adhesive.
23. The absorbent article according to claim 16 , wherein said SAP has a gel blocking ratio of at least 0.50.
24. The absorbent article according to claim 1 , wherein the cover is a spunlace material including from about 10 to about 65 wt % rayon and from about 35 to about 90 wt % polyester.
25. The absorbent article according to claim 1 , wherein at least a portion of said absorbent article has a BW/MCB ratio of at least 2.5.
26. The absorbent article according to claim 25 , wherein said article has an AI of at least 1.71.
27. The absorbent article according to claim 1 , wherein at least a portion of said absorbent article has a BW/MCB ratio of at least 10.0.
28. The absorbent article according to claim 27 , wherein said article has an AI of at least 1.74.
29. The absorbent article according to claim 1 , wherein at least a portion of said absorbent article has a BW/MCB ratio of at least 20.0.
30. The absorbent article according to claim 29 , wherein said article has an AI of at least 1.5.
31. The absorbent article according to claim 29 , wherein said article has an AI of at least 1.78.
32. The absorbent article according to claim 1 , wherein said absorbent article is a sanitary napkin.
33. The absorbent article according to claim 1 , wherein said absorbent article is a pantiliner.
34. The absorbent article according to claim 1 , wherein said absorbent article is an incontinence device.
35. The absorbent article according to claim 1 , wherein said article has a first portion and a second portion, said second portion having an MCB that is greater than an MCB of said first portion.
36. The absorbent article according to the claim 35 , wherein said second portion has an MCB of at least 400 g.
37. The absorbent article according to claim 35 , wherein said second portion is defined by a layer of material arranged between said cover layer and said barrier layer.
38. The absorbent article according to claim 37 , wherein said material defining said second portion has a length that is less than a length of said absorbent system.
39. The absorbent article according to claim 38 , wherein said material defining said second portion has a width that is equal to a width of said absorbent system.
40. The absorbent article according to claim 1 , wherein at least a portion of said absorbent article has a BW/MCB ratio of at least 2.5.
41. The absorbent article according to claim 1 , wherein said article has a first portion and a second portion, said second portion having an MCB that is greater than an MCB of said first portion.
42. The absorbent article according to claim 1 , wherein said article has an absorbent capacity (AC) of at least 4.0 g.
43. The absorbent article according to claim 1 , wherein said article has an absorbent capacity (AC) of at least 8.0 g.
44. The absorbent article according to claim 1 , wherein said article has an absorbent capacity (AC) of at least 10.0 g.
45. The absorbent article according to claim 1 , wherein said article has an absorbent capacity (AC) of at least 12.0 g.
46. A body attachable absorbent article comprising:
a body facing surface;
a garment facing surface;
wherein said absorbent article has a thickness of less than 2.5 mm;
an adhesive applied to said body facing surface of said article for securing said article to the body;
wherein at least a portion of said article satisfies one of the following equations:
AI>2.37−0.77 ln(BW/MCB), where BW/MCB is ≦5.9; and
AI>1.0, where BW/MCB is >5.9.