Steric net-like fiber aggregation
AssigneePanefri Industrial Co., Ltd.
InventorsMasaharu Minami, Masaomi Koga, Michihiko Kotani
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Abstract
There is provided a steric net-like fiber aggregation, comprising fibers having a fineness of 150 to 100000 dtex, the fibers being made of a resin comprising a propylene-based polymer(a), wherein a multitude of the fibers are in a fusion bonding with each other due to a random orientation of melted fibers, and wherein the propylene-based polymer(a) has a structural unit of 51 to 95 percent by mole of a propylene and 5 to 49 percent by mole of an α-olefin with respect to 100 percent by mole of the total monomers of the propylene-based polymer(a).
Claims13
A steric net-like fiber aggregation, comprising fibers having a fineness of 150 to 60000 dtex, the fibers being made of a resin that is a polymer alloy made of a propylene-based polymer(a) and a propylene homopolymer(b),
- wherein the steric net-like fiber aggregation has a structure formed of a multitude of the fibers fusion bonded in a random orientation with each other,
- wherein the propylene-based polymer(a) has a structural unit of 51 to 95 percent by mole of a propylene and 5 to 49 percent by mole of an α-olefin with respect to 100 percent by mole of the total monomers of the propylene-based polymer(a),
- wherein the steric net-like fiber aggregation has an apparent density in the range of 0.020 g/cm3 to 0.300 g/cm3,
- wherein the steric net-like fiber aggregation has a thickness in the range of 5 mm to 120 mm, and
- wherein a ratio of a compression stress under a compressibility of 50% to the compression stress under the compressibility of 25% is in the range of 1.7 to 3.0.
Dependencies are inferred from the claim text.