Extensible and Elastic Conjugate Fibers and Webs Having a Nontacky Feel
September 5, 2006
Patented is an extensible conjugate fiber having a total heat of melting of less than about 80 Joules per gram. The fiber comprises from 0.001% to about 20% by weight of the total fiber of a first component that comprises at least a portion of the fiber surface. The first component includes a polypropylene homopolymer or a propylene copolymer and a second component that comprises an elastic propylene-based olefin polymer.