Spunbond nonwoven fabric for use in filters, and manufacturing method thereof
AssigneeToray Industries, Inc.
InventorsShinobu Mizogami, Hiroyuki Matsuura, Ryoichi Hane
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Abstract
Provided is a spunbound nonwoven fabric for use in filters which has excellent rigidty, folding endurance, and uniformity of a weight a unit area, and which also has dust collection perforance and mechanical properties. The spunbond nonwoven fabric for use in filters includes a thermoplastic continuous filament and has a partially fused portion. The nonwoven fabric has a stiffness of 2 mN or more and 100 mN or less, a weight per unit area-CV value 5% or less, and a weight per unit area of 150 g/m2 more and 300 g/m2 or less.
Claims11
A spunbond nonwoven fabric for use in filters, comprising a thermoplastic continuous filament and having a partially fused portion, wherein the nonwoven fabric has a stiffness of 2 mN or more and 100 mN or less, a weight per unit area-CV value of 5% or less, and a weight per unit area of 150 g/m2 or more and 300 g/m2 or less.
Dependencies are inferred from the claim text.