Thermally fusible composite fiber and non-woven fabric made of t

Details Thermally fusible composite fiber and non-woven fabric made of t Thermally fusible composite fiber and non-woven fabric made of t

1997-08-18

1999-02-02

Edwards, Newton

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Including strand or fiber material which is a monofilament...

442364, D02G 300

Patent

active

058664882

ABSTRACT:
A non-woven fabric comprising thermally fusible composite fibers with shortened heat-sealing time and improved heat-sealing strength is provided. The non-woven fabric is produced using side-by-side type or sheath-and-core type thermally fusible composite fibers comprising a first component consisting of polyethylene and a second component consisting of polyester, said polyethylene occupying continuously at least a portion of the surface of the fiber in the length direction, wherein said polyethylene is a copolymer having 1.6/1,000 C or more methyl branches in its molecular chains, a density from 0.940 to 0.965 g/cm.sup.3, and a Q value (weight average molecular weight Mw
umber average molecular weight Mn) of 4.8 or less.

REFERENCES:
patent: 4788264 (1988-11-01), Ukita
patent: 5444145 (1995-08-01), Brant et al.
patent: 5693420 (1997-12-01), Terada et al.

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