Heat-bondable filament and nonwoven fabric made of said filament

Details Heat-bondable filament and nonwoven fabric made of said filament Heat-bondable filament and nonwoven fabric made of said filament

1993-03-01

1994-01-11

Ryan, Patrick J.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428374, 428288, 428296, D02G 300

Patent

active

052779742

ABSTRACT:
A heat-bondable fiber in the form of a core-sheath type composite fiber comprising a core component and a sheath component which covers the periphery of the core component. The sheath component is formed of copolymer polyethylene consisting of predetermined material and having predetermined properties. The core component is made of a fiber-forming polymer whose melting point is more than 30.degree. C. higher than that of the sheath component. The fineness of the core-sheath type composite fiber is less than 8 deniers. Such heat-bondable fiber provides a nonwoven fabric in which the force of adhesion of the heat-bondable fiber to other dissimilar fibers is high and the hand of the fabric is soft. This nonwoven fabric contains at least 15 percent of the heat-bondable fiber and is heat-treated at a temperature less than the melting point of the core component.

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patent: 5143779 (1992-09-01), Newkirk et al.
patent: 5206080 (1993-04-01), Tashiro et al.

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