WATERPROOF CUSHIONS AND METHODS OF MAKING SAME

The disclosure provides a cushion including an outer cover defining an interior cavity, and inner filler material disposed within the interior cavity. The inner filler material may comprise at least one molded block of polyurethane foam. The outer cover and/or the inner filler material may be porous...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BELIVEAU, John, WANG, Jeff
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AGRICULTURE ANIMAL HUSBANDRY BEDS CARE OF BIRDS, FISHES, INSECTS CHAIRS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COFFEE MILLS CORRECTING FLUIDS DOMESTIC ARTICLES OR APPLIANCES DYES FILLING PASTES FISHING FORESTRY FURNITURE HUMAN NECESSITIES HUNTING INKS METALLURGY METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NEW BREEDS OF ANIMALS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR SADDLERY SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL TOILET ACCESSORIES TRANSPORTING TRAPPING UPHOLSTERY UPHOLSTERY NOT OTHERWISE PROVIDED FOR USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The disclosure provides a cushion including an outer cover defining an interior cavity, and inner filler material disposed within the interior cavity. The inner filler material may comprise at least one molded block of polyurethane foam. The outer cover and/or the inner filler material may be porous to at least water. The cushion further includes a waterproof coating to the outer surface the inner filler material and forming waterproof seal extending entirely thereabout after curing. The waterproof coating comprises butyl acrylate within the range of 17-32 wt %, styrene within the range of 13-26 wt %, and deionized water within the range of 42-70 wt % prior to curing. The waterproof coating may further include auxiliary components within the range of 0.5-8 wt % prior to curing. The auxiliary components may include acrylic acid, sodium lauryl sulfate, an emulsifier component, ammonium peroxydisulfate, sodium bicarbonate, sodium phosphate, tertiary and tributyl phosphate.