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    Adhesive sheet
    1.
    发明授权
    Adhesive sheet 有权

    公开(公告)号：US12006452B2

    公开(公告)日：2024-06-11

    申请号：US17262811

    申请日：2019-07-25

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Haruyuki Mikami

    IPC: C09J7/10 ,  C09J7/38

    CPC classification number: C09J7/10 ,  C09J7/38 ,  C09J2301/10 ,  C09J2301/206 ,  C09J2301/208

    Abstract: A pressure sensitive adhesive surface that does not adhere to the adherend and can be positioned by sliding it under low pressure, while it can exert a sufficient adhesive force under a pressure above a certain level. The adhesive sheet includes an adhesive layer with a fine structure on a surface thereof. The fine structure includes a plurality of cone or frustum structures, with the cones or frustums having two or more parts joined to each other via an interface. A first part is present on a top of the cones or frustums and is formed from a non-adhesive or a weak adhesive material, and a second part is present below the first part and is formed from a strong adhesive material.

    ADHESIVE FILM HAVING THREE-DIMENSIONAL MOLDED SHAPE
    2.
    发明申请
    ADHESIVE FILM HAVING THREE-DIMENSIONAL MOLDED SHAPE 有权

    公开(公告)号：US20220251427A1

    公开(公告)日：2022-08-11

    申请号：US17620200

    申请日：2020-06-23

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Haruyuki Mikami

    IPC: C09J7/40 ,  C09J7/29

    Abstract: An object of the present invention is to provide an adhesive film that can be applied easily to an adherend having a three-dimensional shape. An adhesive film according to the present disclosure is an adhesive film having a three-dimensional molded shape and including: a base layer; an adhesive layer including a fine structure in a surface; and a liner layer covering the adhesive layer. The fine structure of the adhesive layer includes a plurality of convex parts. Each of the plurality of convex parts includes two or more parts joined to each other via an interface. A first part present in a top of the convex part includes a non-adhesive or weak adhesive material, and a second part present below the first part includes a strong adhesive material.

    Adhesive film having three-dimensional molded shape
    4.
    发明授权
    Adhesive film having three-dimensional molded shape 有权

    公开(公告)号：US12187932B2

    公开(公告)日：2025-01-07

    申请号：US17620200

    申请日：2020-06-23

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Haruyuki Mikami

    IPC: C09J7/40 ,  C09J7/29

    Abstract: An object of the present invention is to provide an adhesive film that can be applied easily to an adherend having a three-dimensional shape. An adhesive film according to the present disclosure is an adhesive film having a three-dimensional molded shape and including: a base layer; an adhesive layer including a fine structure in a surface; and a liner layer covering the adhesive layer. The fine structure of the adhesive layer includes a plurality of convex parts. Each of the plurality of convex parts includes two or more parts joined to each other via an interface. A first part present in a top of the convex part includes a non-adhesive or weak adhesive material, and a second part present below the first part includes a strong adhesive material.

    ADHESIVE SHEET
    6.
    发明申请
    ADHESIVE SHEET 有权

    公开(公告)号：US20210269677A1

    公开(公告)日：2021-09-02

    申请号：US17262811

    申请日：2019-07-25

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Haruyuki Mikami

    IPC: C09J7/10 ,  C09J7/38

    Abstract: A pressure sensitive adhesive surface that does not adhere to the adherend and can be positioned by sliding it under low pressure, while it can exert a sufficient adhesive force under a pressure above a certain level. The adhesive sheet includes an adhesive layer with a fine structure on a surface thereof. The fine structure includes a plurality of cone or frustum structures, with the cones or frustums having two or more parts joined to each other via an interface. A first part is present on a top of the cones or frustums and is formed from a non-adhesive or a weak adhesive material, and a second part is present below the first part and is formed from a strong adhesive material.

    REPOSITIONABLE ADHESIVE SHEETS WITH PYRAMIDAL STRUCTURES
    9.
    发明申请
    REPOSITIONABLE ADHESIVE SHEETS WITH PYRAMIDAL STRUCTURES 有权

    公开(公告)号：US20220228039A1

    公开(公告)日：2022-07-21

    申请号：US17595774

    申请日：2020-05-22

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Ikuse Nomoto ,  Haruyuki Mikami

    IPC: C09J7/40 ,  C09J7/38

    Abstract: An adhesive sheet includes an adhesive layer having a fine structure on the surface. The fine structure includes a plurality of convex structures. The convex structures each have two or more parts. A first part located at the top portion of the convex structure is made from a non-adhesive or weak adhesive material. A second part located below the first part is made from a strong adhesive material. Given that a width of a bottom surface of the convex structure is a and a distance between bottom surfaces of adjacent convex structures is β in an arrangement direction of the convex structures, β/(α+β)

    MICRO-STRUCTURED OPTICALLY CLEAR ADHESIVES
    10.
    发明申请
    MICRO-STRUCTURED OPTICALLY CLEAR ADHESIVES 审中-公开
    微结构光学清洁粘合剂

    公开(公告)号：US20140262002A1

    公开(公告)日：2014-09-18

    申请号：US14352189

    申请日：2012-10-24

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Toshihiro Suwa ,  Albert I. Everaerts ,  Haruyuki Mikami ,  Yasuhiro Kinoshita

    IPC: C09J7/00 ,  C09J5/06

    CPC classification number: C09J5/06 ,  C09J7/00 ,  C09J7/29 ,  Y10T156/10 ,  Y10T428/24479 ,  Y10T428/24612

    Abstract: A micro-structured optically clear adhesive, including a first major surface and a second major surface, wherein at least one of the first and second major surfaces comprises a micro-structured surface of interconnected micro-structures in at least one of the planar dimensions (x-y), is disclosed. The micro-structured optically clear adhesive has a tan delta value of at least about 0.3 at a lamination temperature and is non-crosslinked or lightly crosslinked. The micro-structured surface may include indentations having a depth of between about 5 and about 80 microns. A method of laminating a first substrate and a second substrate without the use of a vacuum is provided. The method includes providing a micro-structured optically clear adhesive, removing a release liner from a first side of the micro-structured optically clear adhesive, contacting the first side of the micro-structured optically clear adhesive with a surface of the first substrate, removing a micro-structured release liner from a second side of the micro-structured optically clear adhesive to expose a micro-structured surface, and contacting the micro-structured surface with a surface of the second substrate.

    Abstract translation: 一种微结构光学透明粘合剂，包括第一主表面和第二主表面，其中第一和第二主表面中的至少一个包括至少一个平面尺寸的互连微结构的微结构化表面（ xy）。 微结构光学透明粘合剂在层压温度下具有至少约0.3的tanδ值，并且是非交联或轻度交联的。 微结构化表面可以包括深度在约5-约80微米之间的凹陷。 提供了不使用真空层压第一基板和第二基板的方法。 该方法包括提供微结构光学透明粘合剂，从微结构光学透明粘合剂的第一侧移除释放衬垫，将微结构光学透明粘合剂的第一侧与第一衬底的表面接触，除去 微结构的释放衬垫，其从所述微结构光学透明粘合剂的第二侧暴露微结构化表面，并使所述微结构化表面与所述第二衬底的表面接触。

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