Stock material or miscellaneous articles – Layer or component removable to expose adhesive
Patent
1997-12-19
1999-10-19
Jones, Deborah
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
428 402, 428 412, 428 415, 428 46, 428195, 428207, 428343, 428346, 428347, 428352, 156230, 156236, 156238, 156239, 156247, A61F 1302
Patent
active
059686243
ABSTRACT:
A multi-layered signage-lettering material containing a release or casting sheet layer with a pigmented display layer deposited on one side of the release sheet is described. The pigmented display layer is a coalesced film of at least one water-borne polymer of for example water-borne polyurethanes, water-borne acrylics, and mixtures thereof. Optionally, the coalesced film may be applied in multiple coats. The multi-layered material also includes an adhesive layer covering the surface of the pigmented display layer opposite the release sheet, and optionally, a removable protective layer covering the surface of the adhesive layer opposite the pigmented display layer. A method of fabricating the multi-layered signage-lettering material described above also is described. The method includes first depositing the pigmented display layer on the release or casting sheet. This is accomplished by first dispersing pigment in at least one water-borne polymer for example, water-borne polyurethanes, water-borne acrylics, and mixtures thereof. Additionally, functional additives may be added to improve flow, wetting, and foaming characteristics of the resultant mixture. The mixture is then made machine spreadable by adding water and/or a viscosity modifying agent. The mixture is then machine spread on the release sheet and the water is evaporated allowing for coalescence and film formation. A layer of adhesive is then applied to the surface of the pigmented display layer opposite the release sheet and optionally, on top of the adhesive, opposite the pigmented display layer, a removable protective layer is applied.
REFERENCES:
patent: 5095069 (1992-03-01), Ambrose et al.
patent: 5441785 (1995-08-01), Liebe, Jr.
Bahta Abraham
Jones Deborah
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