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    Polymeric films and display devices containing such films
    3.
    发明授权
    Polymeric films and display devices containing such films 有权

    公开(公告)号：US11522025B2

    公开(公告)日：2022-12-06

    申请号：US16610710

    申请日：2018-05-03

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Encai Hao ,  Zhaohui Yang ,  Albert I. Everaerts ,  Yongshang Lu ,  William Blake Kolb ,  Keith R. Bruesewitz

    IPC: H01L27/32 ,  C09J7/10

    Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first a polyolefin-based low WVTR adhesive polymeric matrix having a refractive index n1; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein n1 is different than n2.

    TAPES AND METHODS OF USE FOR MASKING ALUMINUM SURFACES IN ACID ANODIZATION
    4.
    发明申请
    TAPES AND METHODS OF USE FOR MASKING ALUMINUM SURFACES IN ACID ANODIZATION 有权

    公开(公告)号：US20210324243A1

    公开(公告)日：2021-10-21

    申请号：US17252599

    申请日：2019-06-27

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Christopher W. Cox ,  Sarang V. Deodhar ,  Albert I. Everaerts ,  Becky A. Jetto ,  James J. Kobe ,  Meredith A. Opatz ,  Carla S. Thomas

    IPC: C09J7/38 ,  C09J7/25 ,  C25D11/02 ,  C25D11/04

    Abstract: A tape includes: a flexible backing layer having two major surfaces, wherein the backing layer has a thickness of greater than 25 micrometers; and an acrylic-based pressure sensitive adhesive layer disposed on one major surface of the backing layer, wherein the acrylic-based pressure sensitive adhesive comprises the reaction of one or more (C8-C20)alkyl acrylates with one or more reinforcing monomers having a homopolymer Tg of at least 50° C., wherein the acrylic-based pressure sensitive adhesive has a tan δ of at least 0.5 measured at 80° C. and an oscillating frequency of 1 radian/second, and wherein the acrylic-based pressure sensitive adhesive layer has a thickness of at least 5 micrometers; wherein, when disposed on an aluminum substrate, the tape displays clean removal from the aluminum substrate according to the Clean Removal Test described in the Examples Section, and a leakage distance of less than 762 micrometers according to the Chromic Acid Anodization-Leakage Distance Test described in the Examples Section. A method of anodizing an aluminum surface includes: providing a substrate having an aluminum surface; applying a tape as described herein to mask the aluminum surface and form a masked substrate; and exposing the masked substrate to an electrolyte solution including chromic acid under conditions effective to form aluminum oxide.

    Electronic devices incorporating flexible component layers with interlocking devices
    5.
    发明授权
    Electronic devices incorporating flexible component layers with interlocking devices 有权

    公开(公告)号：US11116090B2

    公开(公告)日：2021-09-07

    申请号：US16464634

    申请日：2017-11-22

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Dylan T. Cosgrove ,  Catherine A. Leatherdale ,  Fay T. Salmon ,  Jun Fujita ,  Albert I. Everaerts

    IPC: H05K5/02 ,  F16B1/00 ,  H05K5/00 ,  H05K7/20

    Abstract: Electronic Devices Incorporating Flexible Component Layers with Interlocking Devices At least some aspects of the present disclosure directs to an electronic device 100 comprising a rigid member 100A, 100B, a flexible component layer 130, and an interlocking device 110A, HOB disposed between the flexible component layer and the rigid member. The flexible component layer has at least two sections when the flexible component layer is flexed. The interlocking device comprises a first interlocking component attached to or integrated with the flexible component layer, and a second interlocking component attached to or integrated with the rigid member configured to engage with the first interlocking component, such that the engagement prevents the separation of the flexible component layer from the rigid member along a direction generally perpendicular to a surface of the rigid member.

    ACRYLIC-BASED FLEXIBLE ASSEMBLY LAYER
    9.
    发明申请
    ACRYLIC-BASED FLEXIBLE ASSEMBLY LAYER 审中-公开

    公开(公告)号：US20180291240A1

    公开(公告)日：2018-10-11

    申请号：US15573938

    申请日：2016-06-01

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Ross E. Behling ,  Jason D. Clapper ,  Albert I. Everaerts ,  Belma Erdogan-Haug

    IPC: C09J133/08 ,  B32B27/30 ,  B32B27/08 ,  B32B7/12 ,  C09J7/40

    Abstract: The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors that include an alkyl(meth)acrylate ester having 1 to 24 carbon atoms in the alkyl group and a free-radical generating initiator. Within a temperature range of between −30° C. to 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed 2 MPa, a shear creep compliance (J) of at least 6×10″6 1/Pa measured at 5 seconds with an applied shear stress between 50 kPa and 500 kPa, and a strain recovery of at least 50% at at least one point of applied shear stress within the range of 5 kPa to 500 kPa within 1 minute after removing the applied shear stress. In a preferred embodiment, the flexible device is a flexible electronic display.

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