Patent ID: 8905236
Filing Date: 2014-12-09
Classification: B65D,C08J,C08L,C11D,Y10T

Abstract:
1. A water-soluble film having any suitable thickness, the water-soluble film comprising: at least 50 wt. % of a water-soluble polyvinyl alcohol (PVOH) resin, the PVOH resin having an average viscosity in a range of about 13.5 cP to about 20 cP and a degree of hydrolysis in a range of about 84% to about 92%; and the film further having no more than 30 wt. % of a PVOH polymer having an average viscosity less than about 11 cP; the film further characterized by having a Dissolution Index in a range of about 620 to about 920 and a Stress Index in a range of about 145 to about 626 when the film has a thickness of about 76 microns, wherein the film is thermoformable.