Fibers suitable for the production of nonwoven fabrics having im

Details Fibers suitable for the production of nonwoven fabrics having im Fibers suitable for the production of nonwoven fabrics having im

1994-06-13

1997-05-20

Dixon, Merrick

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428370, 428397, 428401, 428357, 2642108, 26417128, 156178, 156167, 442361, D02C 300

Patent

active

056310838

ABSTRACT:
Disclosed is a drawn, polyolefin fiber useful for nonwoven fabrics, the thermobonding index of said fiber being 4.5-9 Newtons, and the flexibility index thereof being 1020-1500. The fiber is composed of a blend of specified polymers. Also disclosed is a process for making the fiber by spinning the blend from a die hole having at the output end a diameter less than 0.5 mm, and drawing the resulting fiber at a draw ratio of 1.1 to 1.8.

REFERENCES:
patent: 4469540 (1984-09-01), Furukawa et al.
patent: 4770925 (1988-09-01), Uchikawa et al.
patent: 4874666 (1989-10-01), Kubo et al.
patent: 5078935 (1992-01-01), Kubayashi et al.
patent: 5227224 (1993-07-01), Ishikawa et al.
U.S. Serial No. 07/968,766, filed Oct. 30, 1992 now U.S. Pat. No. 5,346,756, issue date Sep. 13, 1994.
U.S. Serial No. 08/259,316, filed Jun. 13, 1994.

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