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Core-spun elastic composite yarns having a filamentary core and ring-spun staple fiber sheath, and denim fabrics which include the same
Core-spun elastic composite yarns having a filamentary core and ring-spun staple fiber sheath, and denim fabrics which include the same
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机译：具有丝状芯和环锭纺短纤维护套的包芯弹性复合纱以及包括该包芯纱的牛仔布
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摘要
Composite yarns have a filamentary core provided with at least one elastic performance filament and at least one inelastic control filament. A fibrous sheath, preferably formed from spun staple fibers, surrounds the filamentary core, preferably substantially along the entire length thereof. The at least one elastic performance filament most preferably includes a spandex and/or a lastol filament. The at least one inelastic control filament is most preferably formed of a textured polymer or copolymer of a polyamide, a polyester, a polyolefin and mixtures thereof. Preferably, the fibrous sheath is formed of synthetic and/or natural staple fibers, most preferably staple cotton fibers. The elastic composite fibers find particular utility as a component part of a woven textile fabric, especially as a stretch denim fabric, which exhibits advantageous elastic recovery of at least about 95.0% (ASTM D3107).
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