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    • 9. 发明授权
    • Liquid management layer for personal care absorbent articles
    • 用于个人护理吸收制品的液体管理层
    • US08426671B2
    • 2013-04-23
    • US13026059
    • 2011-02-11
    • John F. SteffenPierre D. GrondinRalph A. Moody, III
    • John F. SteffenPierre D. GrondinRalph A. Moody, III
    • A61F13/531A61F13/53
    • A61L15/24C08L23/12
    • A liquid management layer constructed from large diameter uncrimped fibers in the form of a spunbond nonwoven web is described. Embodiments of the liquid management layer can include a plurality of thermoplastic fibers in the form of a spunbond nonwoven web where the plurality of thermoplastic fibers are randomly oriented and uncrimped, where the liquid management layer has a maximum void volume of 25 cc/g and a web density of at least 0.05 g/cc, where the liquid management layer has a maximum thickness of 1.5 mm, a basis weight of at least 30 g/m2 and a rewet value of less than 0.4 g according to test method WSP 70.8, and where the liquid management layer has an average fiber diameter of at least 40 microns based on the number of thermoplastic fibers in the liquid management layer and where less than 10% by count of the plurality of thermoplastic fibers in the liquid management layer have an absolute fiber diameter less than 30 microns. Additional embodiments of the invention include a personal care absorbent article incorporating the liquid management layer over an absorbent core.
    • 描述了由纺粘非织造纤维网形式的大直径未卷曲纤维构成的液体管理层。 液体管理层的实施例可以包括纺粘非织造纤维网形式的多个热塑性纤维,其中多个热塑性纤维是随机取向和未卷曲的,其中液体管理层具有25cc / g的最大空隙体积和 纸张密度为至少0.05g / cc,其中根据测试方法WSP 70.8,液体管理层的最大厚度为1.5mm,基重至少为30g / m 2,再润湿值为小于0.4g; 其中液体管理层的平均纤维直径基于液体管理层中的热塑性纤维的数量至少为40微米,并且其中液体管理层中多个热塑性纤维的数量少于10%具有绝对的纤维 直径小于30微米。 本发明的另外的实施方案包括在吸收芯上结合有液体管理层的个人护理吸收制品。