Multilayer adhesive barrier films for water resistant carpet pad applications
AssigneeThe Dow Chemical Company
InventorsRobert L. McGee, Mary Anne Wright
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Abstract
A multiple layer adhesive and barrier film that combines good adhesion to substrates such as a foam material with a barrier to liquid permeation provides the substrate with a liquid barrier and adequate wear characteristics, particularly when the substrate is a foam material used as a carpet pad.
Claims9
A multiple layer adhesive film, consisting of three layers, the layers being a) a core layer having a first side and an opposing second side, b) an adhesive layer bonded to the first side of the core layer, and c) a barrier layer bonded to the second side of the core layer, the barrier layer comprising a polymer blend including a propylene copolymer and an acid anhydride grafted propylene copolymer, the core layer comprising an ethylene/alpha-olefin copolymer, and the adhesive layer comprising an ethylene copolymer that contains polar moieties and an anti-block compound.
Dependencies are inferred from the claim text.