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US 12,485,644 B2Granted
Laminated adhesive tape and composition therefor
AssigneeAndover Healthcare, Inc.
InventorsKhaled El-Tahlawy, Thomas S. Murphy
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Abstract
A laminated adhesive tape includes a substrate comprising two or more plies of thin, flexible material, the substrate having a first major surface and a second major surface opposite the first major surface. A polymeric laminating composition comprising a polymer and an alkyl ketene dimer binds the two or more plies and a pressure sensitive adhesive carried on the first major surface. In a further aspect, a method of making a laminated adhesive tape is provided.
Claims13
A laminated adhesive tape comprising:
- (a) a substrate comprising a first ply of warp-knit material and a second ply of nonwoven material, the first ply having a first major surface and the second ply having a second major surface;
- (b) a polymeric laminating composition comprising:
- (i) a copolymer of vinyl acetate and ethylene (VAE),
- (ii) an alkyl ketene dimer, and
- (iii) an antioxidant;
- and
- (c) a foamed pressure sensitive adhesive carried on the first major surface;
- wherein the laminated adhesive tape is free from a coating release layer;
- wherein the laminated adhesive tape is hand tearable.
6 more elements
Dependencies are inferred from the claim text.