Spunbonded Nonwoven Fabric
Patent #: 8,067,320
Inventor(s): Takashi Hisamoto
Company: Mitsui Chemicals
Filed: 2007-01-29
Issued: 2011-11-29
Description:
Patented is a spunbonded nonwoven fabric which is formed from fibers comprising a propylene-based polymer and has MFR of 65 to 150 g/10 min which is a value measured after forming the spunbonded nonwoven fabric and a fineness of 0.01 to 1.5 deniers, wherein the basis weight is in the range of 5 to 40 g/m2 and the embossed area ratio is in the range of 6.5 to 25%, and wherein the fibers comprising a propylene-based polymer are formed in a draft ratio of not less than 1500.
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