Patent ID: 9163336
Filing Date: 2015-10-20
Classification: C08F,C08L,D01F,D04H,Y10T

Abstract:
1. A fiber for use in forming a nonwoven web, the fiber being formed from a thermoplastic composition comprising at least one aromatic polyester in an amount from about 75 wt. % to about 99 wt. % and at least one polyether copolymer in an amount from about 1 wt. % to about 25 wt %, wherein the polyether copolymer contains from about 40 mol.% to about 95 mol.% of a repeating unit (A) having the following formula: wherein, x is an integer from 1 to 250, the polyether copolymer further containing from about 5 mol.% to about 60 mol.% of a repeating unit (B) having the following formula: wherein, n is an integer from 3 to 20; and y is an integer from 1 to 150, wherein the polyether copolymer has the following general structure; wherein z is an integer from 0 to 200; A is hydrogen, an alkyl group, an acyl group, or an aryl group of 1 to 10 carbon atoms, and B is hydrogen, an alkyl group, an acyl group, or an aryl group of 1 to 10 carbon atoms.