Drapeable absorbent article

• US 7,803,145 B2
• Filed: 10/30/2006
• Issued: 09/28/2010
• Est. Priority Date: 03/16/2006
• Status: Active Grant

• Current Assignee: Edgewell Personal Care Brands, LLC (Edgewell Personal Care Company)
• Original Assignee: McNeil-PPC Incorporated (Johnson & Johnson)
• Inventors: Nguyen, Hien V., Rosenfeld, Leonard G.
• Primary Examiner(s): Stephens; Jacqueline F.
• Application Number:
  US11/589,655
• Publication Number:
  US 20070219519A1
• Time in Patent Office: 1,429 Days
• Field of Search: 604/367, 604/366, 604/378, 604/385.101, 604/385.16, 604/385.22, 604/384, 604/374, 604/375, 604/377, 604/400, 604/385.23, 604/385.01, 442/224, 442/246, 442/414
• US Class Current: 604/385.01
• CPC Class Codes: A61F 13/15203 Properties of the article, e.g. stiffness or absorbency chemical aspects A61L15/00
• CPC Class Codes: A61F 13/472 specially adapted for female use A61F13/474, A61F13/475, A61F13/476 take precedence
• CPC Class Codes: A61F 13/531 having a homogeneous composition through the thickness of the pad A61F13/538, A61F13/539 take precedence
• CPC Class Codes: A61F 13/539 characterised by the connection of the absorbent layers with each other or with the outer layers
• CPC Class Codes: A61F 2013/15284 characterized by quantifiable properties
• CPC Class Codes: A61F 2013/15357 Stiffness, e.g. Taber rigidity
• CPC Class Codes: A61F 2013/530554 and being fixed to a web
• CPC Class Codes: A61F 2013/5307 characterized by the quantity or ratio of superabsorbent material
• CPC Class Codes: A61F 2013/530708 characterized by the absorbency properties

Abstract

An 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.

Claims

1. An absorbent article comprising:

a cover layer;

a barrier layer; and

an absorbent system arranged between said cover layer and said barrier layer, said absorbent system comprising superabsorbent polymer (SAP);

wherein said absorbent article has a drape angle at x=50 of less than 80° and

a drape angle at x=100 of less than 50° and

said absorbent article has an absorbency index (AI) of greater than about 1.5.

2. The absorbent article according to claim 1, wherein said absorbent article has a drape angle at x=50 of less than 70°

and a drape angle at x=100 of less than 40°

.

3. The absorbent article according to claim 1, wherein said absorbent article has a drape angle at x=50 of less than 60°

and a drape angle at x=100 of less than 30°

.

4. The absorbent article according to claim 1, wherein said absorbent article has a drape angle at x=150 of less than 25°

.

5. The absorbent article according to claim 1, wherein said absorbent article has a drape angle at x=150 of less than 15°

.

6. The absorbent article according to claim 1, wherein said superabsorbent has a gel blocking ratio at one minute of at least about 0.30.

7. The absorbent article according to claim 1, wherein said SAP has a gel blocking ratio at five minutes of at least about 0.72.

8. The absorbent article according to claim 1, wherein said SAP has a gel blocking ratio at five minutes of at least about 0.77.

9. The absorbent article according to claim 1, wherein said absorbent article has an absorbency index (AI) of greater than about 1.7.

10. The absorbent article according to claim 1, wherein said absorbent article has an absorbency index (AI) of greater than about 1.8.

11. The absorbent article according to claim 1, wherein said absorbent article has a thickness less than about 2.5 mm.

12. The absorbent article according to claim 1, wherein said absorbent article has a thickness of less than about 2.0 mm.

13. The absorbent article according to claim 1, wherein said absorbent article has a thickness of less than about 1.5 mm.

14. The absorbent article according to claim 1, wherein said SAP is present in an amount of at least 50 gsm.

15. The absorbent article according to claim 3, wherein said SAP is present in an amount of between about 100 gsm and about 150 gsm.

16. The absorbent article according to claim 1, wherein said SAP is secured to a cover facing side of said barrier layer.

17. The absorbent article according to claim 1, wherein said absorbent system comprises a layer arranged between said cover and said barrier, said SAP secured to a surface of said layer arranged between said cover and said barrier.

18. The absorbent article according to claim 1, wherein said absorbent systems consists of SAP is secured to an internal surface of said cover or said barrier.

19. The absorbent article according to claim 1, wherein said cover layer is a spunlace material including from about 10 to about 65 wt % rayon and from about 35 to about 90 wt % polyester.

20. An absorbent article comprising:

a cover layer;

a barrier layer; and

an absorbent system arranged between said cover layer and said barrier layer, said absorbent system comprising superabsorbent polymer (SAP);

wherein said absorbent article has a drape angle at x=50 of less than 80° and

a drape angle at x=100 of less than 50° and

said absorbent article has an absorbency index (AI) of greater than about 1.5; and

wherein said absorbent article has a thickness less than about 2.5 mm.