C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 7/02 (2006.01) B32B 13/12 (2006.01) E04D 5/10 (2006.01) E04D 5/12 (2006.01)
Patent
CA 2113151
ABSTRACT A multi-layer article that includes a layer of a water-soluble polymer that provides a water- removable, non-tacky film over an adhesive layer and/or acts as an adhesive for securing the multi-layer article to a substrate, such as concrete, when wetted. The article forms a water barrier capable of being secured to an area of potential water flow including a layer of flexible, water-impermeable sheet material having a continuous or discontinuous coating of a water-soluble polymer thereon. When the water-soluble polymer is wetted to at least partially solubilize the water-soluble coating, the polymer readily adheres the article to a substrate at the area of potential water flow. In a preferred embodiment, the flexible sheet material includes a layer of adhesive (tacky material) and the adhesive layer is coated with the layer of water-soluble polymer to eliminate the necessity of using a sheet of release paper to prevent the adhesive layer from adhering to itself, when in roll form, and during handling and installation.
American Colloid Company
Fetherstonhaugh & Co.
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