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    LAMINATES AND METHODS OF MAKING THE SAME
    42.
    发明申请
    LAMINATES AND METHODS OF MAKING THE SAME 有权
    层压板及其制造方法

    公开(公告)号：US20140093703A1

    公开(公告)日：2014-04-03

    申请号：US13633450

    申请日：2012-10-02

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Thomas P. Hanschen ,  William H. Sikorski, JR. ,  Ronald W. Ausen ,  Paul S. Wallis ,  Vathsala Rajagopal ,  William J. Kopecky

    IPC: B32B3/28 ,  B32B37/14 ,  B32B5/02 ,  B32B38/18

    CPC classification number: B32B5/142 ,  B32B3/18 ,  B32B25/10 ,  B32B27/12 ,  B32B2307/51 ,  B32B2555/00 ,  Y10T156/10 ,  Y10T428/24636 ,  Y10T428/24694 ,  Y10T428/24826 ,  Y10T428/249921 ,  Y10T442/60

    Abstract: An incrementally activated laminate that includes an incrementally activated fibrous web and a film having alternating first and second regions and a laminate of the film and an extensible fibrous web. The first region of the film includes a first polymeric composition, and the second regions include an elastic polymeric composition that is more elastic than the first polymeric composition. In the incrementally activated laminate, the distance between midpoints of two first regions separated by one second region is smaller than the activation pitch, and the first regions are not plastically deformed. In the extensible laminate, a tensile elongation at maximum load of the film is up to 250 percent of the tensile elongation at maximum load of the extensible fibrous web. Methods of making the laminates are also described.

    Abstract translation: 一种增量活化的层压体，其包括增量活化的纤维网和具有交替的第一和第二区域以及膜和可延展纤维网的层压体的膜。 膜的第一区域包括第一聚合物组合物，并且第二区域包括比第一聚合物组合物更具弹性的弹性聚合物组合物。 在增量活化的层压体中，由一个第二区域分开的两个第一区域的中点之间的距离小于激活间距，并且第一区域不会塑性变形。 在可延展的层压板中，膜的最大载荷下的拉伸伸长率可达到可伸展纤维网最大载荷下的拉伸伸长率的250％。 还描述了制造层压板的方法。

    COATED ABRASIVE DISC AND METHODS OF MAKING AND USING THE SAME
    46.
    发明申请
    COATED ABRASIVE DISC AND METHODS OF MAKING AND USING THE SAME 有权

    公开(公告)号：US20210370473A1

    公开(公告)日：2021-12-02

    申请号：US16650147

    申请日：2018-11-16

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Thomas P. Hanschen ,  Steven J. Keipert ,  Joseph B. Eckel ,  Aaron K. Nienaber ,  Brant A. Moegenburg ,  Eric M. Moore ,  Thomas J. Nelson

    IPC: B24D11/00 ,  B24D7/06 ,  C09K3/14

    Abstract: A coated abrasive disc includes an abrasive layer disposed on a major surface of a disc backing. The abrasive layer comprises triangular abrasive platelets secured to a major surface of the disc backing by at least one binder material. The triangular abrasive platelets are outwardly disposed from the major surface at contiguous intersections of horizontal and vertical lines of a rectangular grid pattern, wherein the intersections of the rectangular grid pattern have an areal density defined by C/(LT) where C is a unitless coverage factor having a value between 0.1 and 0.4, L is the average major triangular abrasive platelet side length and T is the average triangular abrasive platelet thickness. At least 70 percent of the intersections have a triangular abrasive platelet disposed thereat. Each one of the triangular abrasive platelets has respective top and bottom surfaces connected to each other, and separated by, three sidewalls, and, on a respective basis, one sidewall facing the disc backing of at least 90 percent of the triangular abrasive platelets has a Z-axis rotational orientation within 10 degrees of the vertical lines. Methods of making and using the coated abrasive discs are also disclosed.

    COATED ABRASIVE DISC AND METHODS OF MAKING AND USING THE SAME
    48.
    发明申请
    COATED ABRASIVE DISC AND METHODS OF MAKING AND USING THE SAME 审中-公开

    公开(公告)号：US20200346322A1

    公开(公告)日：2020-11-05

    申请号：US16763104

    申请日：2018-11-16

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Thomas P. Hanschen ,  Steven J. Keipert ,  Joseph B. Eckel ,  Aaron K. Nienaber ,  Erin D. Spring ,  Brant A. Moegenburg ,  Eric M. Moore ,  Thomas J. Nelson

    IPC: B24D3/28 ,  B24D11/02

    Abstract: A coated abrasive disc includes a disc backing having an outer circumference. An abrasive layer is disposed on the disc backing. The abrasive layer comprises triangular abrasive platelets secured to a major surface of the disc backing by at least one binder material. The triangular abrasive platelets are outwardly disposed at regularly-spaced points along a spiral pattern extending outwardly toward the outer circumference. Each triangular abrasive platelet has respective top and bottom surfaces connected to each other, and separated by, three sidewalls. On a respective basis, one sidewall of at least 90 percent of the triangular abrasive platelets is disposed facing and proximate to the disc backing, and at least 70 percent of the triangular abrasive platelets are disposed in a recurring sequential orientation having an oscillating Z-axis rotational orientation of the first respective sidewall relative to the tangents to the spiral pattern at regularly-spaced points. Methods of making and using the coated abrasive disc are also disclosed.

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