Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1983-02-07
1984-07-17
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428286, 428287, 428290, 428298, 428326, 428343, 428354, 4289044, B32B 700
Patent
active
044606435
ABSTRACT:
A wallcover backing for strippable vinyl wallcovering comprises a dimensionally stable unitary multistratum nonwoven fibrous web material that can be coated with or laminated to a vinyl layer. The backing material has a fibrous top phase adapted for secure nondelaminating engagement with the vinyl layer superimposed thereon and a fibrous base stratum integrated with the top phase and adapted for strippable adhering engagement with a wall or the like. The top phase constitutes at least 5 percent by weight of the web and has a smooth exposed surface for direct adhesion to the vinyl layer. The web includes about 15 to 45 percent by weight of a hydrophobic latex binder and contains an adhesive penetration inhibitor adapted to inhibit the migration of a wallcover adhesive into the fibrous web material and to promote uniform and full strippability of the web from the wall to which it is adhered.
REFERENCES:
patent: 4039709 (1977-08-01), Newman
patent: 4140566 (1979-02-01), Burton et al.
patent: 4197343 (1980-04-01), Forsythe
patent: 4205110 (1980-05-01), Jean
patent: 4219376 (1980-08-01), Roman
patent: 4296162 (1981-10-01), Jean
Orefice Claudio
Stevens William P.
Bell James J.
The Dexter Corporation
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