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AssigneeFiberweb North America, Inc.
InventorsJay Darrell Gillespie, David Bruce Christopher, Harold Edward Thomas, John Henry Phillips, Scott Louis Gessner, Lloyd Edwin Trimble, Jared Asher Austin
Estimating the term…
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.
A nonwoven web comprising at least first and second individual spun-laid or spun-bonded microfilaments comprising at least a first component and a second component, respectively, wherein the first and second components are different from each other, and wherein the individual filaments originate from a common capillary.
A nonwoven web comprising at least filaments comprising a first component and separate filaments comprising a second component wherein the filaments of the first and second components originate from a common capillary and separate along at least a portion of their length prior to depositing on a collection surface to form a nonwoven web.
A nonwoven web comprising spun-laid or spunbonded multicomponent, thermoplastic continuous filaments, at least a portion of which are split along at least some portion of their length prior to depositing on a collection surface to form a web.
Dependencies are inferred from the claim text.