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    BACKING FOR ADHESIVE TAPE WITH THERMAL RESISTANCE
    62.
    发明申请
    BACKING FOR ADHESIVE TAPE WITH THERMAL RESISTANCE 审中-公开

    公开(公告)号：US20190031923A1

    公开(公告)日：2019-01-31

    申请号：US16042192

    申请日：2018-07-23

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Rachna Khurana ,  Christopher J. Rother ,  Jeffrey O. Emslander

    IPC: C09J7/38 ,  C09J7/24

    Abstract: Backing films for adhesive tapes are presented, as well as adhesive tapes comprising such backing films, which may include tapes used in construction such as seam sealing tapes, roofing tapes, and flashing tapes. The backing film comprises a core layer, a first skin layer, and optionally a second skin layer, where the backing film has a coefficient of thermal expansion of less than 90 ppm/° C. measured in at least one direction within the plane of the film, and, in some embodiments, a Young's modulus of less than 550 MPa as measured in at least one direction. In some embodiments, the backing film has a coefficient of thermal expansion of not more than 91.8 ppm/° C. and a Young's modulus of not more than 540 MPa as measured in any direction within the plane of the film. In some embodiments, the core layer comprises a polyolefin, and skin layers comprise a thermoplastic elastomer.

    RETROREFLECTOVE ARTICLE WITH MULTILAYER SEAL FILM
    68.
    发明申请
    RETROREFLECTOVE ARTICLE WITH MULTILAYER SEAL FILM 审中-公开
    使用多层密封膜重新鉴定文章

    公开(公告)号：US20160139306A1

    公开(公告)日：2016-05-19

    申请号：US14900933

    申请日：2014-06-10

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Reema Chatterjee ,  Jeffrey O. Emslander ,  Danny L. Fleming

    IPC: G02B5/124 ,  G02B5/13

    CPC classification number: G02B5/124 ,  G02B5/13

    Abstract: The present disclosure generally relates to retroreflective articles and methods of making retroreflective articles including a plurality of microreplicated retroreflective elements (prismatic elements and lenslets) and a multilayer seal film adjacent to the retroreflective elements. The multilayer film includes a polymeric sealing layer and an adhesive layer. In some embodiments, the multilayer film includes a release liner. Seal legs extend through all layers of the multilayer film In some embodiments, the retroreflective article is retroreflective sheeting. In some embodiments, the retroreflective sheeting and the multilayer film are laminated, embossed, and/or sealed in a single processing step.

    Abstract translation: 本公开内容通常涉及回射制品和制造包括多个微复制的回射元件（棱镜元件和小透镜）以及与该后向反射元件相邻的多层密封膜的回射制品的方法。 多层膜包括聚合物密封层和粘合剂层。 在一些实施例中，多层膜包括剥离衬垫。 密封腿延伸穿过多层膜的所有层。在一些实施例中，回射制品是逆反射片材。 在一些实施例中，在单个加工步骤中层压，压花和/或密封定向反光片和多层膜。

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