Foamed surface covering with coherent layer
a foamed surface and coherent technology, applied in the direction of transportation and packaging, other domestic articles, synthetic resin layered products, etc., can solve the problems of affecting the repositioning of certain types of underlying surfaces, and affecting the repositioning of unanchored materials, etc., to facilitate the secured and reusable application of the covering, reduce the effect of heat-induced deterioration of the compound during processing and low and medium visco
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[0030]The present invention is a multilayered composite material suitable for use as a rug underlay pad or, alternatively, as a shelf, drawer or storage liner, and generally designated as 10 in the drawings. With reference to FIG. 1, the composite material 10 is a surface covering having a primary layer of resilient polymeric foam 11 combined to at least one layer 12 of a coherent water-resistant blend of styrene-maleic anhydride and acrylic resin. The structure of the multilayered composite material 10 facilitates the secured and reusable application of the surface covering after repeated washings.
[0031]As detailed in FIGS. 2-4, the primary layer 11 or 41 consists of an expanded polymeric foam 17, which is in the range of 1.275 mm to 6.35 mm in thickness, having appreciable and conjoint viscous and elastic properties when deformed. In a preferred embodiment, and as detailed by way of example in Table 1, the expanded polymeric foam is composed of a thermally cured polyvinyl chloride...
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