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    • 2. 发明申请
      WO1997012085A1 A METHOD FOF FORMING A NONWOVEN WEB EXHIBITING SURFACE ENERGY GRADIENTS AND INCREASED CALIPER 审中-公开
    • A METHOD FOF FORMING A NONWOVEN WEB EXHIBITING SURFACE ENERGY GRADIENTS AND INCREASED CALIPER
    • 一种形成非万维网的方法FOF表面能量梯度和增加的卡尺
    • WO1997012085A1
    • 1997-04-03
    • PCT/US1996014642
    • 1996-09-12
    • THE PROCTER & GAMBLE COMPANY
    • THE PROCTER & GAMBLE COMPANY , CREE, James, William , FERRAZ DO AMARAL RAVAGLIA, Luis Eduardo
    • D04H01/44
    • A61F13/512 , A61F13/15577 , A61F13/51305 , D04H1/44 , Y10T428/24628 , Y10T428/24694 , Y10T428/24802 , Y10T442/102 , Y10T442/2164 , Y10T442/218 , Y10T442/2189
    • The present invention pertains, in a preferred embodiment, to a method for forming a nonwoven web exhibiting a plurality of surface energy gradients. The method includes the steps of: providing a nonwoven web of fibers exhibiting a surface energy, the nonwoven web having a first surface, a second surface, a caliper, and a plurality of fluid passageways placing the first and second surfaces in fluid communication with one another; applying a surface treatment to the first surface of the nonwoven web, the surface treatement having a surface energy less than the surface energy of the fibers of the nonwoven web creating a plurality of surface energy gradients defined by discontinuous, spaced regions which are adapted to exert a force on a fluid contacting the first surface, such that the fluid will be directed toward the fluid passageways for transportation away from the first surface and in the direction of the second surface; and increasing the caliper of the nonwoven web by feeding the nonwoven web betwween a first pressure applicator and a second pressure applicator each having three-dimensional surfaces which at least to a degree are complementary to one another. The nonwoven web is particularly well suited for use as a topsheet on a disposable absorbent article.
    • 在优选实施方案中，本发明涉及形成具有多个表面能量梯度的非织造纤维网的方法。 该方法包括以下步骤：提供表现出表面能的纤维的非织造纤维网，非织造纤维网具有第一表面，第二表面，厚度和多个流体通道，将第一和第二表面与一个流体连通 另一个; 对非织造纤维网的第一表面进行表面处理，表面处理具有小于非织造纤维网的纤维的表面能的表面能，从而产生由不连续的间隔区域限定的多个表面能量梯度，该区域适于施加 接触第一表面的流体上的力，使得流体将被引导到流体通道以便从第一表面和第二表面的方向输送; 并且通过馈送第一压力施加器和第二压力施加器之间的非织造纤维网来增加非织造纤维网的厚度，每个具有至少一定程度上彼此互补的三维表面。 非织造纤维网特别适合用作一次性吸收制品上的顶片。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 3. 发明申请
      WO1998018420A1 IMPROVED TOPSHEET FOR ABSORBENT ARTICLES EXHIBITING IMPROVED MASKING PROPERTIES 审中-公开
    • IMPROVED TOPSHEET FOR ABSORBENT ARTICLES EXHIBITING IMPROVED MASKING PROPERTIES
    • 吸收物品的改进措施展示改进的掩模性能
    • WO1998018420A1
    • 1998-05-07
    • PCT/US1997019404
    • 1997-10-28
    • THE PROCTER & GAMBLE COMPANY
    • THE PROCTER & GAMBLE COMPANY , OCTAVIO, Maria, Teresa , RAVAGLIA, Luis, Eduardo , CREE, James, William , THOMAS, Dennis, Albert
    • A61F13/15
    • D06M23/16 , A61F13/51305 , A61F13/51394 , A61F13/8405 , A61L15/18 , A61L15/48 , D06M11/46 , D06M15/643
    • The present invention provides a fluid pervious fibrous, preferably nonwoven, web having a first surface and a second surface. The web comprises a hydrophilic nonwoven web comprising a plurality of individual, preferably whitened, brightened, and/or opacified, fibers associated with one another. The web includes a plurality of surface energy gradients defined by the boundaries of discontinuous, spaced regions of the web which are located on the first surface which exhibit a different surface energy than an adjacent portion of the web. The regions comprise depositions of a preferably whitened, brightened, and/or opacified low surface energy material randomly distributed over the first surface. In a preferred embodiment, the nonwoven web is formed of shaped fibers of substantially non-circular cross section, preferably a trilobial or delta cross section, which include whitening, brightening, and opacifying agents within the fiber material. Preferably, the low surface energy material includes whitening and opacifying agents within the material itself, with a preferred material comprising a UV curable silicone resin including a titanium dioxide particle suspension. The nonwoven fibrous webs of the present invention may be utilized advantageously as a topsheet and/or secondary topsheet in an absorbent article such as a diaper, sanitary napkin, or the like.
    • 本发明提供了具有第一表面和第二表面的流体透过性纤维，优选非织造纤维网。 纤维网包括亲水性非织造纤维网，其包含彼此相关联的多个单独的，优选白化的，增亮的和/或不透明的纤维。 幅材包括多个表面能量梯度，该表面能量梯度由位于第一表面上的不连续的间隔区域的边界限定，其表现出与幅材的相邻部分不同的表面能。 这些区域包括随机分布在第一表面上的优选白化，增亮和/或不透明的低表面能材料的沉积。 在优选的实施方案中，非织造纤维网由基本上非圆形横截面的成形纤维形成，优选三边形或三角形横截面，其包括纤维材料内的增白剂，增白剂和遮光剂。 优选地，低表面能材料包括材料本身内的增白剂和不透明剂，优选的材料包括包含二氧化钛颗粒悬浮液的可UV固化的有机硅树脂。 本发明的非织造纤维网可有利地用作吸收制品如尿布，卫生巾等中的顶片和/或第二顶片。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 6. 发明申请
      WO1997011661A1 A METHOD FOR SELECTIVELY APERTURING A NONWOVEN WEB EXHIBITING SURFACE ENERGY GRADIENTS 审中-公开
    • A METHOD FOR SELECTIVELY APERTURING A NONWOVEN WEB EXHIBITING SURFACE ENERGY GRADIENTS
    • 一种非选择性的非织造网展示表面能量梯度的方法
    • WO1997011661A1
    • 1997-04-03
    • PCT/US1996014641
    • 1996-09-12
    • THE PROCTER & GAMBLE COMPANY
    • THE PROCTER & GAMBLE COMPANY , CURRO, John, Joseph , BENSON, Douglas, Herrin , CREE, James, William , RAVAGLIA, Luis, Eduardo, Ferraz, Do Amaral
    • A61F13/15
    • A61F13/15731 , A61F13/00991 , Y10T428/24273
    • The present invention pertains, in a preferred embodiment, to a method for selectively aperturing a nonwoven web (22) exhibiting a plurality of surface energy gradients. The method includes the steps of: providing a nonwoven web (22) of fibers exhibiting a surface energy, the nonwoven web (22) having a first surface (61), a second surface (62) and a plurality of fluid passageways placing the first (61) and second (62) surfaces in fluid communication with one another; applying a surface treatment to the first surface (61) of the nonwoven web (22), the surface treatment having a surface energy less than the surface energy of the fibers of the nonwoven web (22) creating a plurality of surface energy gradients defined by discontinuous spaced regions which are adapted to exert a force on a fluid contacting the first surface (61), such that the fluid will be directed toward the fluid passageways for transportation away from the first surface (61) and in the direction of the second surface (62); weakening the nonwoven web (22) at a plurality of locations creating a plurality of weakened, melt-stabilized locations; and applying a tensioning force to the nonwoven web (22) to cause the nonwoven web (22) to rupture at the plurality of weakened, melt-stabilized locations creating a plurality of apertures in the nonwoven web (22) coincident with the plurality of weakened, melt-stabilized locations. The web (22) is particularly well suited for use as a topsheet on a disposable absorbent article.
    • 在优选实施例中，本发明涉及用于选择性地打开展现多个表面能量梯度的非织造纤维网（22）的方法。 该方法包括以下步骤：提供具有表面能的纤维的非织造纤维网（22），非织造纤维网（22）具有第一表面（61），第二表面（62）和多个流体通道，将第一 （61）和第二（62）表面彼此流体连通; 对非织造纤维网（22）的第一表面（61）施加表面处理，所述表面处理具有小于非织造纤维网（22）的纤维的表面能的表面能，产生多个由 不连续间隔的区域，其适于对接触第一表面（61）的流体施加力，使得流体将被引向流体通道以便从第一表面（61）和第二表面（61）的方向输送 （62）; 在多个位置减弱非织造纤维网（22），形成多个弱化的，熔融稳定的位置; 以及向所述非织造纤维网（22）施加张紧力以使所述非织造纤维网（22）在所述多个弱化熔融稳定位置处破裂，从而在所述非织造纤维网（22）中形成多个与所述多个弱化纤维 ，熔融稳定的位置。 网（22）特别适合用作一次性吸收制品上的顶片。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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