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US 2026/0176804 A1Published application
Spunbond nonwoven fabric with improved opening quality and no hazardous residue, manufacturing method thereof and manufacturing apparatus thereof
AssigneeKolon Industries, Inc.
InventorsYoung-shin PARK, Min-ho Lee, Hee-jung Cho, Woo-seok Choi, Dongheon Kang, Jung-soon Jang
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Abstract
The present invention relates to a spunbond nonwoven fabric with improved opening quality and no hazardous residue, a manufacturing method thereof, and a manufacturing apparatus thereof. The method for manufacturing a spunbond nonwoven fabric according to the present invention includes a step of allowing the continuous filament bundle to collide with a metal member containing bismuth (Bi) or a bismuth alloy to obtain filaments opened by frictional charging.
Claims8
A method for manufacturing a spunbond nonwoven fabric, the method comprising the steps of:
- melt-spinning a thermoplastic resin to obtain a continuous filament bundle;
- allowing the continuous filament bundle to collide with a metal member containing bismuth (Bi) or a bismuth alloy to obtain filaments opened by frictional charging;
- and
- converging the opened filaments on a continuous conveyor net to form a fiber web.
1 more element
Dependencies are inferred from the claim text.