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US 12,571,141 B2Granted
Multi-layer meltblown non-woven fabric and preparation method thereof
AssigneeToray Advanced Materials Korea Inc.
InventorsSeong Su Lim, Kwang Young Jung
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Abstract
The present invention relates to a multilayer meltblown nonwoven fabric and a method of manufacturing the same. In particular, the present invention relates to a multilayer meltblown nonwoven fabric having excellent lightweightness while exhibiting excellent durability, and a method of manufacturing the same.
Claims9
A multilayer meltblown nonwoven fabric comprising:
- a first meltblown nonwoven fabric composed of hollow fibers having a hollowness of 30% or more, and the first meltblown nonwoven fabric having a basis weight of 200 gsm to 300 gsm and a thickness of 35 mm to 45 mm;
- and
- a second meltblown nonwoven fabric stacked on one surface or both surfaces of the first meltblown nonwoven fabric, and the second meltblown nonwoven fabric having a basis weight of 60 gsm to 165 gsm and a thickness of 10 mm to 30 mm,
- wherein the second meltblown nonwoven fabric is composed of ultrafine fibers having an average diameter of 1 to 10 μm.
1 more element
Dependencies are inferred from the claim text.