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    • 61. 发明授权
    • Absorbent members having low density and basis weight acquisition zones
    • 具有低密度和基重获取区的吸收构件
    • US5047023A
    • 1991-09-10
    • US656101
    • 1991-02-11
    • Charles J. Berg
    • Charles J. Berg
    • A61F5/44A61F13/15A61F13/49A61F13/53
    • A61F13/53747A61F13/511A61F13/533A61F13/53752A61F2013/1543A61F2013/15536A61F2013/530445A61F2013/530481A61F2013/53051A61F2013/53795
    • An absorbent article wherein the deposition region of its absorbent member comprises a storage zone and an acquisition zone having a lower average density and a lower average basis weight per unit area than the storage area. The acquisition zone is positioned toward the front of either the absorbent member or the absorbent article so that the acquisition zone may most effectively and efficiently rapidly acquire discharged liquids. The absorbent member comprises a mixture of hydrophilic fibrous material and discrete particles of absorbent gelling material having a particular size distribution so as to enhance the absorbent capacity and acquisition rate of the absorbent member. The particles of absorbent gelling material are selected to have a mass median particle size greater than or equal to about 400 microns with the amounts of very large and very small particles preferably kept below certain minimum concentrations.
    • 一种吸收性物品,其中其吸收体的沉积区域包括存储区域和采集区域,其具有比存储区域更小的平均密度和每单位面积的较低的平均基重。 采集区位于吸收构件或吸收制品的前面,使得采集区可以最有效和高效地快速地获取排出的液体。 吸收部件包括具有特定尺寸分布的亲水性纤维材料和吸收胶凝材料的离散颗粒的混合物,以增强吸收体的吸收能力和吸收速率。 吸收胶凝材料的颗粒被选择为具有大于或等于约400微米的质量中值粒度,非常大且非常小的颗粒的量优选保持在某些最低浓度以下。
    • 62. 发明授权
    • Absorbent fibrous structure and disposable diaper including same
    • 吸收性纤维结构体及一次性尿布
    • US4223677A
    • 1980-09-23
    • US38341
    • 1979-05-11
    • James E. Anderson
    • James E. Anderson
    • A61F13/00A61F13/15A61L15/28A61F13/16
    • A61F13/534A61F13/00021A61F13/53756A61L15/28A61F13/537A61F2013/00731A61F2013/15048A61F2013/15536A61F2013/15821A61F2013/530131A61F2013/530153A61F2013/53445A61F2013/53721
    • An absorbent fibrous structure includes intermingled absorbent fibers of a varying length up to about 6.35 mm. These absorbent fibers are graded by length through the thickness of the structure so that long length absorbent fibers are more concentrated than shorter length absorbent fibers at a first surface of the structure, and the shorter length fibers are more concentrated than the longer length fibers at an opposing second surface of the structure. The grading of absorbent fibers by length provides a capillary gradient through the thickness of the absorbent structure wherein capillary pores are graded by size so that large capillary pores are more concentrated than small capillary pores at the first surface of the absorbent structure, and smaller capillary pores are more concentrated than larger capillary pores at the opposing second surface of the structure.The absorbent fibrous structure of this invention may be employed as an absorbent core of an improved disposable diaper. The core is disposed between a liquid-pervious facing sheet and a backing sheet so that the long length absorbent fibers are more concentrated than the shorter length fibers at the surface of the core closest the facing sheet, and the shorter length fibers are more concentrated than the longer length fibers at the surface of the core closest the backing sheet. Absorbent fibrous structures made according to this invention may also be suitably treated with adhesive or other materials, such as plastic, and employed as absorbent wipers, incontinent pads, and the like.
    • 吸收性纤维结构包括长达约6.35mm的变化的混合吸收性纤维。 这些吸收性纤维的长度通过该结构的厚度分级,使得长度的吸收性纤维比结构的第一表面上的较短长度的吸收性纤维更浓缩,并且较短长度的纤维比较长的纤维在 相对的结构的第二表面。 通过长度使吸收性纤维的分级提供了通过吸收结构的厚度的毛细管梯度,其中毛细孔按尺寸分级,使得大的毛细孔比吸收结构的第一表面处的小毛细管孔更浓,并且较小的毛细孔 比在结构的相对的第二表面处的较大的毛细孔更浓。 本发明的吸收性纤维结构体可以用作改进的一次性尿布的吸收芯。 芯部设置在透液性面层片材和背衬片材之间,使得长度较长的吸收性纤维比最接近面层片材的芯部表面的短纤维更浓缩,并且较短长度的纤维比 在芯的表面处较长的纤维最接近背衬片。 根据本发明制备的吸收性纤维结构也可以用粘合剂或其他材料如塑料适当地处理,并用作吸收剂擦拭器,失禁垫等。