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Adhesive composition for use as a wound dressing or ostomy/prosthesis adhesive

  • US 5,622,711 A
  • Filed: 12/08/1994
  • Issued: 04/22/1997
  • Est. Priority Date: 10/05/1992
  • Status: Expired due to Term
First Claim
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1. A pressure sensitive hydrocolloid adhesive composition for use as a wound dressing or an ostomy/prosthesis adhesive consisting essentially of i) about 20 percent to about 50 percent by weight of a hydrophobic, unsaturated, elastomeric homopolymer having at least about 50 mole percent unsaturation, ii) about 20 percent to about 60 percent by weight of a polyisobutylene tackifier and iii) about 5 percent to about 60 percent by weight of a hydrocolloid absorbent, wherein the homopolymer is cross-linked by 5-200 kGy gamma radiation to provide the composition with a cross-linked matrix having a wet integrity value of at least about eighty percent, a shear hold value of at least about 500 min/500 g and a dry cohesive strength which prevents adhesive composition breakage or delamination when a 1×

  • 6 cm strip of the adhesive composition is slowly peeled off a polyester adhesive tape at a 90 degree angle and at a speed of 10 mm/minute.

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