Strippable glass fiber wall covering
AssigneeJohns Manville International, Inc.
InventorsKrister Draxö, Per Edlund, Torben Hernberg
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AssigneeJohns Manville International, Inc.
InventorsKrister Draxö, Per Edlund, Torben Hernberg
Estimating the term…
An improved strippable glass fiber wall covering and process for its formation are provided. Initially, both sides of a glass fiber fabric are coated with a first coating applied from an aqueous dispersion of starch binder and polymeric latex binder. In a preferred embodiment a cross-linking agent and pigment also are present in the first aqueous dispersion. Following the drying of such dispersion to form a first coating on both surfaces, a second dried coating is provided on one side only that serves as a separation layer. The second coating is applied from an aqueous dispersion comprising paraffin and a rheology modifier. When applied to the wall in conventional manner, the separation layer facilitates the removal of the wall covering with ease when its time of usefulness is concluded.
A strippable glass fiber wall covering comprising a glass fiber fabric impregnated and coated on both sides with a first dried coating comprising a starch and a polymeric latex binder and having applied thereon a second dried coating to only one of the coated sides, whereby the second dried coating consists essentially of a paraffin wax and a rheology modifier and serves as a separation layer that facilitates the removal of said wall covering from a substrate wherein the starch is present in an amount ranging from about 10 to 70% by wt. and the polymeric latex binder is present in an amount ranging from about 20 to 80% by wt., based on the dried weight of the first coating, and wherein the paraffin wax is present in an amount ranging from about 80 to 99% by wt. and the rheology modifier is present in an amount ranging from about 1 to 2-0% by wt., based on the dried weight of the second coating.
Dependencies are inferred from the claim text.