Patent ID: 9150699
Filing Date: 2015-10-06
Classification: B29C,B29K,B32B,C08G,C08J,C08L,Y10T

Abstract:
1. A laminate comprising: a nonwoven web material; and a film joined to the nonwoven web material, wherein the film comprises a biodegradable polymer blend, the biodegradable polymer blend containing from about 15 wt. % to about 85 wt. % of a first aliphatic-aromatic copolyester and from about 15 wt. % to about 85 wt. % of a second aliphatic-aromatic copolyester, wherein the first aliphatic-aromatic copolyester is formed from a first aromatic monomer that includes terephthalic acid or a derivative thereof and the second aliphatic-aromatic copolyester is formed from a second aromatic monomer that includes phthalic acid or a derivative thereof, isophthalic acid or a derivative thereof, or a combination of the foregoing, wherein the glass transition temperature of the first aliphatic-aromatic copolyester and the second aliphatic-aromatic copolyester is about 0° C or less, and wherein the film exhibits a water vapor transition rate of from about 800 to about 10,000 grams/m