Mats for asphalt underlay
AssigneeOwens-Corning Fiberglas Corporation
InventorJames P. Bershas
Life of this patent
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Abstract
A woven or non-woven mat comprising natural or synthetic fibers bonded together with the residue formed by removing water from an aqueous composition comprising a thermoplastic emulsion and a melamine formaldehyde resin forms an underlay for asphalt paving for road surfaces.
Claims4
An aqueous composition consisting essentially of a thermoplastic emulsion of carboxylated styrene butadiene latexes, at least one thermoplastic emulsion selected from the group consisting of emulsions of vinyl chloride-ethylene acrylamide terpolymers, styrene acrylics and vinyl acrylics and mixtures thereof and a melamine formaldehyde resin selected from the group consisting of methylated melamine formaldehyde resin and hexamethoxymethyl melamine, and an ammonium salt catalyst.
Dependencies are inferred from the claim text.