Articles and nonwoven fabrics having improved elasticity manufactured from compositions, for example, made from 5 wt % to 100 wt % of a first polymer component of polymers selected from homopolymers of propylene and random copolymers of propylene and from 95 wt % to 0 wt % of a second polymer component...http://www.google.com.tw/patents/US20050130544?utm_source=gb-gplus-share專利 US20050130544 - Elastic nonwoven fabrics made from blends of polyolefins and processes for making the same