B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
92/62
B32B 7/00 (2006.01) D04H 1/42 (2006.01) D06N 7/00 (2006.01) D21H 27/20 (2006.01) D21H 27/38 (2006.01)
Patent
CA 1226464
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.
444656
Orefice Claudio
Stevens William P.
Dexter Corporation (the)
Gowling Lafleur Henderson Llp
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