Abstract: Compostible compositions in the form of homogeneous mixtures containing 20-80% by weight unvulcanized, uncured C4-C6 alkadiene elastomer, e.g., natural rubber, 5-20% of modifier, e.g., casein, dextrose, starch or mixtures thereof, 1-40% filler, e.g., titanium dioxide or fibrous clay, 0-30% wax, e.g., carnauba wax, 0-40% styrene resin, e.g., polystyrene, 0-10% additive, e.g., bis-steramide, and 0-20% yeast are disclosed. Preferably such compositions are prepared as aqueous dispersions that can be converted by conventional casting procedures into thin sheets, e.g., about 1 to 10 mils, having useful tensile strength, elongation, flexibility and moisture barrier properties.

Abstract: Disposable articles that mitigate environmental problems when charged into solid waste landfills have a moisture barrier layer in the form of a compostible flexible sheet composed of 20-80% by weight unvulcanized, uncured C4-C6 alkadiene elastomer, e.g., natural rubber, 5-20% of modifier, e.g., casein, dextrose, starch or mixtures thereof, 1-40% filler, e.g., titanium dioxide or fibrous clay, 0-30% wax, e.g., carnauba wax, 0-40% styrene resin, e.g., polystyrene, 0-10% additive, e.g., bis-steramide, and 0-20% yeast. Typically, the sheets have a thickness of about 1 to 10 mils and an ultimate tensile strength of at least 200 grams per inch of width.

Abstract: Comestibles are packaged in wrappers formed of plastic film or equivalent sheet material sealed with cold-seal adhesives containing a minor percentage of vinylpyrrolidone/styrene copolymer as a bond enhancement agent.

Abstract: Comestibles are packaged in wrappers formed of plastic film or equivalent sheet material sealed with cold-seal adhesives containing a minor percentage of vinyl-pyrrolidone/styrene copolymer as a bond enhancement agent.

Abstract: Improved adhesive tabs for fastening disposable garments, e.g., diapers, about the body of a wearer by adhering the tab to an outer portion of the garment made of plastic film of predetermined tensile strength carry a pressure-sensitive adhesive coating having an adhesive strength when plotted as the ordinate against speed of removal from a reference substrate as the abscissa that asymptotically approaches, but does not exceed, the value of the film's predetermined tensile strength whereby the adhesive tab may be repeatedly adhered to and removed from the garment outer portion to fasten and unfasten the garment without tearing its outer portion film.