Patent ID: 8268738
Filing Date: 2012-09-18
Classification: D01F,D04H,Y10T

Abstract:
1. A nonwoven web comprising biodegradable fibers, the fibers being formed from a thermoplastic composition comprising at least one polylactic acid in an amount from about 55 wt % to about 97 wt. %, at least one plasticizer in an amount from about 2 wt. % to about 25 wt. %, wherein the plasticizer includes an alkylene glycol, and at least one compatibilizer in an amount of from about 1 wt. % to about 20 wt. %, wherein the compatibilizer compatibilizes the polylactic acid and the plasticizer and includes a polyolefin modified with a polar compound, the polar compound including an organic acid, an anhydride of an organic acid, an amide of an organic acid, or a combination thereof.