Meltspun multicomponent thermoplastic continuous filaments, products made therefrom, and methods therefor
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United States of America Patent
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Jul 21, 1998
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N/A
app pub date -
Jul 22, 1996
filing date -
Jul 22, 1996
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Abstract
Multicomponent thermoplastic continuous filaments are provided, including hollow core multicomponent filaments. The filaments are at least partially splittable into smaller filaments in the absence of mechanical treatment or application of high pressure water jets. The surface energy of the components can be controlled to control separation of the multi-component filaments. Sub-denier and micro-denier filaments of low orientation can be produced from relatively high molecular weight polymers to produce nonwovens of surprising strength, barrier, and cover.
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