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    • 8. 发明授权
    • Absorbent articles exhibiting improved internal environmental conditions
    • 表现出改善的内部环境条件的吸收制品
    • US5938648A
    • 1999-08-17
    • US984463
    • 1997-12-03
    • Gary Dean LaVonHyun Sung LimJ. Michael McKennaGeorge Joseph OstapchenkoShailaja R. VaidyaTheodora BeckJohn Joseph Curro
    • Gary Dean LaVonHyun Sung LimJ. Michael McKennaGeorge Joseph OstapchenkoShailaja R. VaidyaTheodora BeckJohn Joseph Curro
    • A61F13/49A61F5/44A61F13/15A61F13/514A61L15/24A61L15/26B32B5/16B32B27/12
    • A61F13/5148A61F13/15203A61F13/51462A61L15/24A61L15/26A61L15/42B32B5/16
    • The present invention relates to absorbent articles such as diapers, adult incontinence garments, and feminine hygiene products. The present invention further relates to such absorbent articles having outer coverings designed to provide breathability and promote more healthy internal environmental conditions for the wearer. More specifically, the present invention provides an absorbent article comprising (a) a topsheet; (b) a backsheet; and (c) an absorbent core located between the topsheet and the backsheet; wherein the backsheet comprises a non-porous, substantially fluid impermeable, moisture vapor permeable composite sheet material. Preferably, the composite sheet material is oriented such that the film layer of the composite sheet material faces toward said absorbent core. Where the film layer of the composite sheet comprises a substantially hydrophilic elastomer film layer, the substantially hydrophilic elastomer film is preferably located in contact with the fibrous substrate. Where the film layer of the composite sheet comprises a multiple layer film with a substantially hydrophilic elastomer film layer and a substantially hydrophobic elastomer film, the substantially hydrophilic elastomer film is preferably located between the substantially hydrophobic elastomer film and the fibrous substrate. In another embodiment, the film layer may further comprise a third film layer comprising a substantially hydrophobic elastomer film located between the substantially hydrophilic elastomer film and the fibrous substrate. The absorbent article may comprise a disposable diaper.
    • 本发明涉及诸如尿布,成人失禁服装和女性卫生用品的吸收制品。 本发明还涉及这样的吸收制品,其具有设计成提供透气性并促进穿用者更健康的内部环境条件的外覆层。 更具体地,本发明提供一种吸收制品,其包括(a)顶片; (b)底片; 和(c)位于顶片和底片之间的吸收芯; 其中所述底片包括无孔,基本上流体不渗透,水分蒸汽可渗透的复合片材。 优选地,复合片材材料被定向成使得复合片材的膜层朝向所述吸收芯。 当复合片材的膜层包含基本上亲水的弹性体膜层时,基本上亲水的弹性体膜优选位于与纤维基材接触的位置。 当复合片材的膜层包含具有基本上亲水的弹性体膜层和基本疏水的弹性体膜的多层膜时,基本上亲水的弹性体膜优选位于基本上疏水的弹性体膜和纤维基材之间。 在另一个实施方案中,膜层可以进一步包括第三膜层,其包含位于基本上亲水的弹性体膜和纤维基质之间的基本疏水的弹性体膜。 吸收制品可以包括一次性尿布。