Patent ID: 8728960

Claim:
A spun-bond nonwoven point heat-bonded fabric comprising a polyolefin blend composition, said polyolefin blend comprising: a) from about 80 to about 90 wt % of at least one elastomeric random propylene copolymer with ethylene having an ethylene content of from 8 to 18 wt % based upon the total copolymer weight and a crystalline melting transition point (Tm) as determined by differential scanning calorimetry (DSC) of from about 40° C. to about 75° C.; and b) from about 10 to about 20 wt % of at least one substantially isotactic polypropylene homopolymer or copolymer, having a crystalline melting transition point (Tm) as determined by DSC greater than about 120° C.; wherein said blend has a melt flow rate (MFR) of from about 160 g/10 min to about 500 g/10 min, wherein said fabric has an about 69 g/m 2 basis weight, having been point heat-bonded in a calendar roll, and has a first cycle load loss at 50% of less than or equal to 90%; and wherein the fibers that make up the fabric have an average diameter within the range of from 16.4 to 25.7 μm.