HOT-MELT SILICONE BASED OSTOMY AND WOUND CARE SKIN ATTACHMENT ADHESIVES
First Claim
Patent Images
1. An ostomy or wound care appliance comprising an ostomy or wound care device for attachment to the body with an adhesive, said adhesive including a hot-melt silicone pressure sensitive adhesive composition and a reinforcing member, wherein said adhesive has the following characteristics:
- i. limited cold flow;
ii. tack less than 2000 grams (ASTM D2729;
contact force 100 g;
contact time 2 seconds;
removal speed 0.1 mm/sec);
iii. storage (G′
) and loss (G″
) modulus between 1.0×
104 Pa and 5.0×
106 Pa at 5% strain and a frequency of 1 rad/s at 22°
C.iv. peel strength not less than 2.0 N/in or does not peel cleanly from the substrate (ASTM D3330;
stainless steel substrate)
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Abstract
An ostomy or wound care appliance including an ostomy or wound care device for attachment to the body with an adhesive. The adhesive including a hot-melt silicone pressure sensitive adhesive composition and a reinforcing member.
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Citations
21 Claims
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1. An ostomy or wound care appliance comprising an ostomy or wound care device for attachment to the body with an adhesive, said adhesive including a hot-melt silicone pressure sensitive adhesive composition and a reinforcing member, wherein said adhesive has the following characteristics:
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i. limited cold flow; ii. tack less than 2000 grams (ASTM D2729;
contact force 100 g;
contact time 2 seconds;
removal speed 0.1 mm/sec);iii. storage (G′
) and loss (G″
) modulus between 1.0×
104 Pa and 5.0×
106 Pa at 5% strain and a frequency of 1 rad/s at 22°
C.iv. peel strength not less than 2.0 N/in or does not peel cleanly from the substrate (ASTM D3330;
stainless steel substrate) - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification