Patent ID: 9056967
Filing Date: 2015-06-16
Classification: A61F,A61L,B32B,C08J,C08L,C09J,Y10T

Abstract:
1. A release liner comprising water-sensitive biodegradable film and a release agent coated onto a surface thereof, the water-sensitive biodegradable film comprising: from 1 wt. % to 20 wt. % of at least one biodegradable aliphatic-aromatic copolyester that has a melting point of from about 50° C. to about 180° C. and a glass transition temperature of about 0° C. or less; and from 80 wt. % to 99 wt. % of at least one water-sensitive thermoplastic starch component, wherein the thermoplastic starch component comprises from about 60 wt. % to about 80 wt. % of at least one water-soluble, chemically modified starch, from about 0.5 wt. % to about 4 wt. % of at least one surfactant, and from about 20 wt. % to about 40 wt. % of at least plasticizer, wherein the water-soluble chemically modified starch comprises a starch ester, a hydroxyalkyl starch, or a combination thereof;