Stock material or miscellaneous articles – Two dimensionally sectional layer – Next to unitary web or sheet of equal or greater extent
Patent
1995-06-07
1996-12-03
Choi, Kathleen
Stock material or miscellaneous articles
Two dimensionally sectional layer
Next to unitary web or sheet of equal or greater extent
428201, 428332, 428339, 428143, 428350, 428351, 428354, 428356, 428913, 428150, B32B 904, B32B 1304
Patent
active
055806309
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.
REFERENCES:
patent: 4440830 (1984-04-01), Wempe
patent: 4656062 (1987-04-01), Harriett
patent: 4775567 (1988-10-01), Harkness
Amcol International Corporation
Choi Kathleen
LandOfFree
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