Pressure-sensitive adhesive compositions and self-adhering wound dressings comprising same

• US 20070060855A1
• Filed: 07/27/2006
• Published: 03/15/2007
• Est. Priority Date: 07/28/2005
• Status: Abandoned Application

• Current Assignee: Hollister Incorporated
• Original Assignee: Hollister Incorporated
• Inventors: Shelley, Phil, Taylor, Michael, Leung, Pak-Tong
• Application Number:
  US11/494,047
• Publication Number:
  US 20070060855A1
• Time in Patent Office: Days
• US Class Current: 602/41
• CPC Class Codes: A61F 13/0209 comprising superabsorbent material
• CPC Class Codes: A61F 13/0253 characterized by the adhesive material
• CPC Class Codes: A61F 2013/00748 with hydrocolloids or superabsorbers wound bandages with alginate A61F2013/00229; plasters with cyano-acrylic adhesive A61F2013/00459; plasters for treating burn with hydrogel A61F2013/00523; adhesive for plasters, with hydrogel A61F2013/00676; water-based A61F2013/00689; for use on mucosae A61F2013/00714; for use on wounds A61F2013/00719; with absorbent adhesives A61F2013/00757; with fumed silica A61F2013/00787; with viscoelastic oil-elastomer gel A61F2013/00893
• CPC Class Codes: A61F 2013/15016 for breast; pads for bras
• CPC Class Codes: A61F 2013/15113 for haemorrhoids
• CPC Class Codes: A61L 15/225 Mixtures of macromolecular compounds
• CPC Class Codes: A61L 15/58 Adhesives
• CPC Class Codes: A61L 15/585 Mixtures of macromolecular compounds
• CPC Class Codes: A61L 15/60 Liquid-swellable gel-forming materials, e.g. super-absorbents
• CPC Class Codes: A61L 24/043 Mixtures of macromolecular materials
• CPC Class Codes: A61L 24/046 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L24/043 takes precedence
• CPC Class Codes: A61L 26/0052 Mixtures of macromolecular compounds
• CPC Class Codes: C08L 53/02 of vinyl-aromatic monomers and conjugated dienes
• CPC Class Codes: C09J 153/00 Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers

Abstract

The disclosure generally relates to pressure-sensitive adhesive compositions and self-adhering wound dressings, and more particularly, to pressure-sensitive adhesive compositions comprising a triblock copolymer and a superabsorbent material and self-adhering wound dressings comprising same. The adhesive compositions are skinfriendly and therefore may be used in medical environments where a dressing, bandage, ostomy pouch, continence care appliance, transdermal drug delivery patch, or similar article is intended to be adhered to the skin. The self-adhering wound dressings are also skinfriendly.

Claims

1. A pressure-sensitive adhesive composition comprising:

about 0.25 weight percent (wt. %) to about 15 wt. % of a high molecular weight rubber triblock copolymer;

about 35 wt. % to about 65 wt. % of a superabsorbent material;

0 wt. % to about 15 wt. % of a high molecular weight diblock rubber;

0 wt. % to about 20 wt. % of an end block resin;

0 wt. % to about 40 wt. % of a diluent;

0 wt. % to about 35 wt. % of a solid tackifier;

0 wt. % to about 20 wt. % of a hydrocolloid comprising a natural product or a modified natural product; and

,

0 wt. % to about 10 wt. % of a semi-solid hydrocarbon.

2. The pressure-sensitive adhesive composition according to claim 1, wherein the pressure-sensitive adhesive comprises about 35 wt. % to about 60 wt. % of a superabsorbent material.

3. The pressure-sensitive adhesive composition according to claim 1, wherein the pressure-sensitive adhesive composition has gel-like properties.

4. The pressure-sensitive adhesive composition according to claim 3, wherein the pressure-sensitive adhesive composition has a compressive force of less than about 15 pounds per square inch (psi) at 10 percent (%) strain.

5. The pressure-sensitive adhesive composition according to claim 1, wherein the superabsorbent material comprises a polymer.

6. The pressure-sensitive adhesive composition according to claim 1, wherein the pressure-sensitive adhesive composition comprises 0 wt. % to about 10 wt. % of the hydrocolloid comprising a natural product or a modified natural product.

7. The pressure-sensitive adhesive composition according to claim 1, wherein the pressure-sensitive adhesive composition is substantially free of hydrocolloids comprising a natural product or a modified natural product.

8. The pressure-sensitive adhesive composition according to claim 1, further comprising an emollient.

9. An article comprising a layer of the pressure-sensitive adhesive composition according to claim 1.

10. The article according to claim 9, wherein the article is selected from the group consisting of waste collection appliances, dressings, prosthetic devices, metal devices, and plastic devices.

11. A waste collection appliance comprising:

a mounting faceplate; and

,

a waste collection pouch comprising a polymeric material,

wherein the mounting faceplate includes a layer of pressure-sensitive adhesive composition comprising about 0.25 weight percent (wt. %) to about 15 wt. % of a high molecular weight rubber triblock copolymer, about 35 wt. % to about 65 wt. % of a superabsorbent material, 0 wt. % to about 15 wt. % of a high molecular weight diblock rubber, 0 wt. % to about 20 wt. % of an end block resin, 0 wt. % to about 40 wt. % of a diluent, 0 wt. % to about 35 wt. % of a solid tackifier, 0 wt. % to about 20 wt. % of a hydrocolloid comprising a natural product or a modified natural product, and 0 wt. % to about 10 wt. % of a semi-solid hydrocarbon.

12. The waste collection appliance according to claim 11, wherein the pressure-sensitive adhesive composition has gel-like properties.

13. The waste collection appliance according to claim 11, wherein the superabsorbent material comprises a polymer.

14. The waste collection appliance according to claim 11, wherein the pressure-sensitive adhesive composition is substantially free of hydrocolloids comprising a natural product or a modified natural product.

15. The waste collection appliance according to claim 11, wherein the pressure-sensitive adhesive composition further comprises an emollient.

16. A pressure-sensitive adhesive composition comprising:

about 0.25 weight percent (wt. %) to about 15 wt. % of a high molecular weight rubber triblock copolymer; and

,

about 35 wt. % to about 65 wt. % of a superabsorbent material,

wherein the adhesive composition has a compressive force of less than about 15 pounds per square inch (psi) at 10 percent (%) strain.

17. The pressure-sensitive adhesive composition according to claim 16, wherein adhesive composition has a compressive force of less than about 10.0 psi at 10% strain.

18. An article comprising a layer of the pressure-sensitive adhesive composition according to claim 16.

19. A self-adhering wound dressing comprising about 0.25 weight percent (wt. %) to about 15 wt. % of a high molecular weight rubber triblock copolymer, about 35 wt. % to about 65 wt. % of a superabsorbent material, 0 wt. % to about 15 wt. % of a high molecular weight diblock rubber, 0 wt. % to about 20 wt. % of an end block resin, 0 wt. % to about 40 wt. % of a liquid diluent, 0 wt. % to about 35 wt. % of a solid tackifier, 0 wt. % to about 20 wt. % of a hydrocolloid comprising a natural product or a modified natural product, and 0 wt. % to about 10 wt. % of a semi-solid hydrocarbon.

20. The self-adhering wound dressing according to claim 19, wherein the wound dressing does not contain a separate component for absorption.

21. The self-adhering wound dressing according to claim 19, wherein the wound dressing is substantially free of hydrocolloids comprising a natural product or a modified natural product.