IMPROVED WATER-SOLUBLE FILM HAVING BLEND OF PVOH POLYMERS, AND PACKETS MADE THEREFROM

Disclosed are plasticized, water-soluble films having favorable cold-water solubility, wet handling, and thermoforming characteristics, and which can include a PVOH resin made up of blend of two or more PVOH polymers each having a monomodal molecular weight distribution, and the PVOH resin character...

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Bibliographische Detailangaben
Hauptverfasser:	SHI JICHUN, ROSMANIHO ROXANE, VERRALL ANDREW P, LABEQUE REGINE, DENOME FRANK WILLIAM, FRIEDRICH STEVEN G, LEE DAVID M
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING DETERGENT COMPOSITIONS DETERGENTS FATTY ACIDS THEREFROM HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS METALLURGY PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING STORING TRANSPORTING UNPACKING USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:	Disclosed are plasticized, water-soluble films having favorable cold-water solubility, wet handling, and thermoforming characteristics, and which can include a PVOH resin made up of blend of two or more PVOH polymers each having a monomodal molecular weight distribution, and the PVOH resin characterized by a viscosity in a range of about 13.5 cP to about 20 cP (or a corresponding weight average molecular weight), a degree of hydrolysis of about 84% to about 92%, a polydispersity index value in a range of about 1 to about 5, a residual water content of about 4 wt. % to about 10 wt. %, and a Resin Selection Index value in a range of 0.255 to 0.315; methods of making the films; compositions including PVOH resins for making the films; and pouch and packet articles made from the films.