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    POLYMERIC LAYERS AND METHODS OF MAKING THE SAME
    51.
    发明申请
    POLYMERIC LAYERS AND METHODS OF MAKING THE SAME 审中-公开
    聚合物层及其制备方法

    公开(公告)号：US20160151945A1

    公开(公告)日：2016-06-02

    申请号：US14900239

    申请日：2014-06-16

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Ronald W. Ausen ,  Ronald R. Borst ,  Thomas P. Hanschen ,  William J. Kopecky ,  Michelle L. Legatt ,  Wei Zhang

    IPC: B29C43/24 ,  B29C43/22 ,  A61L31/04

    CPC classification number: B29C43/24 ,  A61L31/048 ,  B29C43/22 ,  B29C43/222 ,  B29D28/00 ,  B29K2105/253 ,  B29K2995/0065 ,  B29L2031/753

    Abstract: Polymeric layers (50) comprising an array of openings (56) extending between the first and second major surfaces (52, 54), wherein the openings (60) each have a series of areas through the openings from the first and second major surfaces ranging from minimum to maximum areas. There is a total area and a total open area for each of the first and second major surfaces, wherein the total open area for each of the first and second major surfaces is not greater than 50 percent of the total area of the respective major surface. For at least a majority of the openings (56), the minimum area is not at either major surface. Methods for making the polymeric layers are also disclosed. Polymeric layers are useful, for example, as components in personal care garments such as diapers and feminine hygiene products and medical skin applications where breathability is desired. They can also be useful for filtering (including liquid filtering) and acoustic applications.

    Abstract translation: 聚合物层（50）包括在第一和第二主表面（52,54）之间延伸的开口阵列（56），其中开口（60）各自具有穿过来自第一和第二主表面的开口的一系列区域 从最小到最大。 第一和第二主表面的总面积和总开口面积，其中第一和第二主表面中的每一个的总开口面积不大于相应主表面总面积的50％。 对于至少大部分开口（56），最小面积不在任何主表面。 还公开了制备聚合物层的方法。 聚合层例如可用作个人护理服装中的组分，例如尿布和女性卫生用品以及需要透气性的医用皮肤应用。 它们也可用于过滤（包括液体过滤）和声学应用。

    THREE-DIMENSIONAL POLYMERIC STRAND NETTING, DIES, AND METHODS OF MAKING THE SAME
    53.
    发明申请
    THREE-DIMENSIONAL POLYMERIC STRAND NETTING, DIES, AND METHODS OF MAKING THE SAME 有权
    三维聚合物网，其制备方法及其制备方法

    公开(公告)号：US20140234605A1

    公开(公告)日：2014-08-21

    申请号：US14349104

    申请日：2012-09-28

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Ronald W. Ausen ,  Timothy J. Diekmann ,  Thomas P. Hanschen ,  William J. Kopecky ,  Shou-Lu Wang

    IPC: B29D28/00 ,  B29C47/06 ,  B29C47/30 ,  D04H13/00

    CPC classification number: B29C47/06 ,  B29C47/0014 ,  B29C47/0028 ,  B29C47/0064 ,  B29C47/065 ,  B29C47/085 ,  B29C47/14 ,  B29C47/30 ,  B29D28/00 ,  B29L2028/00 ,  D01D4/02 ,  D04H13/00 ,  Y10T442/184 ,  Y10T442/186

    Abstract: Method and extrusion die (1030) for producing a three-dimensional polymeric strand netting, wherein a plurality of the polymeric strands (1070a, 1070b, 1070c) are periodically joined together in a regular pattern at bond regions throughout the array, wherein a majority of the polymeric strands (1070a, 1070b, 1070c) are periodically bonded to at least two (three, four, five, six, or more) adjacent polymeric strands, and wherein no polymeric strands are continuously bonded to a polymeric strand. Three-dimensional polymeric strand netting described herein have a variety of uses, including wound care, tapes, filtration, absorbent articles, pest control articles, geotextile applications, water/vapor management in clothing, reinforcement for nonwoven articles, self bulking articles, floor coverings, grip supports, athletic articles, and pattern coated adhesives.

    Abstract translation: 用于生产三维聚合物链网的方法和挤出模头（1030），其中多个聚合物丝束（1070a，1070b，1070c）以整个阵列中的键合区域周期性地以规则图案结合在一起，其中大部分 聚合物链（1070a，1070b，1070c）周期性地粘合到至少两个（三个，四个，五个，六个或更多个）相邻聚合物链上，并且其中没有聚合物链连续地键合到聚合物链上。 本文所述的三维聚合物丝网具有各种用途，包括伤口护理，带，过滤，吸收制品，害虫控制制品，土工织物应用，衣服中的水/蒸汽管理，非织造制品的加强件，自膨胀制品，地板覆盖物 手柄支架，运动用品和图案涂层粘合剂。

    Coextruded Polymeric Article and Method of Making the Same
    59.
    发明申请
    Coextruded Polymeric Article and Method of Making the Same 有权

    公开(公告)号：US20220411135A1

    公开(公告)日：2022-12-29

    申请号：US17781144

    申请日：2020-12-04

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Michael B. Runge ,  Vasav Sahni ,  Ronald W. Ausen ,  Scott M. Tapio ,  William J. Kopecky

    IPC: B65D33/25 ,  B29C48/12 ,  B29C48/21

    Abstract: A system including a polymeric sheet. The polymeric sheet comprises a base sheet having a first surface and a second surface opposite the first surface and a multiplicity of spaced rails projecting from the first surface of the base sheet. The rails comprise a stem portion attached to and substantially upright from the first surface of the base sheet and a top portion on the distal end of the stem opposite the base sheet. The top portion comprises a first surface opposite the base sheet and a second surface facing the first surface of the base sheet. Additionally, the rails have a length greater than the width of the stems. The first surface of the base sheet, the second surface of the top portion and the surface of the stem defines a cavity with walls, and an adhesive coated on at least a portion of the cavity wall.

    COEXTRUDED POLYMERIC NETTING AND METHOD OF MAKING THE SAME
    60.
    发明申请
    COEXTRUDED POLYMERIC NETTING AND METHOD OF MAKING THE SAME 有权

    公开(公告)号：US20220118669A1

    公开(公告)日：2022-04-21

    申请号：US17310665

    申请日：2020-03-03

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Ronald W. Ausen ,  William J. Kopecky ,  Michael W. Voigt ,  Naimul Karim ,  Vasav Sahni

    IPC: B29C48/18 ,  B29C48/00

    Abstract: Coextruded polymeric netting having a machine direction comprising: a plurality of pairs of: first segments each having first and second opposed major surfaces and a thickness, the first segments comprising first material; second segments comprising second material, wherein adjacent first segments are joined together via a second segment, wherein the second segments extend from the second major surface past the first major surface of each first adjacent segment and has a distal end, the second segments having first and second opposed major surfaces, wherein there is a gap between adjacent second segments; and a third material, different from the first and second materials on at least one of the first or second major surfaces of at least every other second segment, wherein the first segments, second segments, and third material each extend continuously for at least 5 mm in the machine direction, and wherein first and second materials of adjacent pairs are periodically bonded together in the machine direction. Uses for coextended polymeric articles described herein include fasteners.

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