Non-woven fabric of hot-melt adhesive composite fibers

Details Non-woven fabric of hot-melt adhesive composite fibers Non-woven fabric of hot-melt adhesive composite fibers

1983-06-27

1984-10-16

Kendell, Lorraine T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

428373, 428374, D02G 300, D04H 104

Patent

active

044775164

ABSTRACT:
A non-woven fabric of hot-melt-adhesive composite fibers having a specified small weight per unit area and soft feeling is provided which fibers are obtained by forming a fiber aggregate consisting of hot-melt-adhesive composite fibers of a specified fineness, alone, composed of as a first component, a polyethylene resin composition (C) consisting of (A) a straight chain, low density polyethylene and (B) another kind of polyethylene, in a specified proportion, and having a specified density and a specified ratio of its melt indexes after and before spinning, and as a second component, a fiber-formable polymer having a m.p. higher than those of either of the polyethylenes constituting the first component, the first component constituting at least a part of the fiber surface of the composite fibers continuously in the longitudinal direction thereof, or a fiber aggregate of a specified average fineness which is mixed fibers of the composite fibers with other fibers of a specified fineness; and subjecting either one of the fiber aggregates to heat treatment at a specified temperature.

REFERENCES:
patent: 3231650 (1966-01-01), Findlay et al.
patent: 3511747 (1970-05-01), Davies
patent: 3589956 (1971-06-01), Krantz et al.
patent: 3595731 (1971-07-01), Davies et al.
patent: 3760046 (1973-09-01), Schwartz et al.
patent: 4189338 (1980-02-01), Ejima
patent: 4211816 (1980-07-01), Booker et al.
patent: 4323626 (1982-04-01), Kunimune et al.

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