Self-sealing articles including elastic porous layer
Assignee3M Innovative Properties Company
InventorsMartin J. Widenbrant, Taylor M. Seabaugh, Daniel R. Fronek, Rajan B. Bodkhe
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Abstract
There is provided a self-sealing article comprising a polymeric layer disposed on and covering a first major surface of an elastic porous layer, wherein the article passes Modified Test 1 of ASTM D-1970/D-1970M-13 or Modified Test 2 of ASTM D-1970/D-1970M-13, or Modified Test 3 of ASTM D-1970/D-1970M-13, and further wherein the self-sealing article is water vapor permeable and an air and water barrier. There is also provided a linered version of the self-sealing article in which a liner is disposed on a major surface of the polymeric layer opposite the first major surface of the elastic porous layer.
Claims20
A self-sealing article comprising a polymeric layer disposed on and covering a first major surface of an elastic porous layer, wherein the article passes Modified Test 1 of ASTM D-1970/D-1970M-13, Modified Test 2 of ASTM D-1970/D-1970M-13, or Modified Test 3 of ASTM D-1970/D-1970M-13, wherein the self-sealing article is an air and water barrier and has a vapor transmission rate of greater than or equal to 1 perm and an elongation of at least 90% in at least one of the cross direction or the machine direction.
Dependencies are inferred from the claim text.