Process for producing nonwoven fabric

Details Process for producing nonwoven fabric Process for producing nonwoven fabric

1992-03-06

1994-03-08

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156161, 156181, 156229, 156296, 2642888, D04H 314, D04H 300

Patent

active

052923894

ABSTRACT:
A process for producing a nonwoven fabric having the steps of: bonding polypropylene long-fibers constituting main fibers of the web to one another to produce a raw nonwoven fabric; and uniaxially drawing the raw nonwoven fabric at certain draw temperatures and draw magnifications to produce a final nonwoven fabric.

REFERENCES:
patent: 3855045 (1974-12-01), Brock
patent: 3855046 (1974-12-01), Hansen et al.
patent: 3949128 (1976-04-01), Ostermeier
patent: 4048364 (1977-09-01), Harding et al.
patent: 4223059 (1980-09-01), Schwarz
patent: 4269888 (1981-05-01), Ejima et al.
patent: 4443513 (1984-04-01), Meitner et al.

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