Patent ID: 8278409
Filing Date: 2012-10-02
Classification: B29C,C08G,D04H,Y10T

Abstract:
1. A copolymer for use in the production of nonwoven constructs, the copolymer comprising ε-caprolactone in an amount ranging from 12 to 20 mole percent, glycolide in an amount ranging from 80 to 88 mole percent, crystallinity ranging from 10 and 50% as measured by WAXD or 10 to 50 J/g as measured by DSC, and an inherent viscosity ranging from 0.5 to 1.45 dL/g as measured in a 0.1 g/dl solution of HFIP at 25° C., wherein the copolymer is the reaction product of a predominant amount of a prepolymer of ε-caprolactone and glycolide having a mole ratio of ε-caprolactone/glycolide of less than 30/70, with a balance of glycolide.