Patent ID: 9303158
Filing Date: 2016-04-05
CPC Classification: B32B,C08F,C08L,D01D,D01F,D04H,Y10T

Claim Text:
1. A method of forming a nonwoven fabric comprising: (a) reacting propylene with an α-olefin selected from ethylene and C (b) isolating a reactor grade propylene-α-olefin copolymer possessing a melt flow rate within the range of from 500 to 7500 g/10 min and a weight average molecular weight of less than 200,000; (c) blending within the range of from 50 to 99 wt %, by weight of the composition, of the reactor grade propylene-α-olefin copolymer and a second polypropylene to form a composition; and (d) meltblowing the composition to form a nonwoven fabric, wherein the fabric has a CD Elongation value of greater than 50 grams (measuring the fabric of 35 g/m