PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET
    12.
    发明申请
    PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET 审中-公开
    压敏胶带或薄片

    公开(公告)号:US20120148791A1

    公开(公告)日:2012-06-14

    申请号:US13315752

    申请日:2011-12-09

    Abstract: Disclosed is a pressure-sensitive adhesive tape or sheet having an adhesive face which includes two or more different pressure-sensitive adhesives each capable of acting on an adherend and exhibits adhesiveness and debonding capability both at high levels. The pressure-sensitive adhesive tape or sheet has an adhesive face being substantially smooth and including at least on region composed of a first pressure-sensitive adhesive and at least one region composed of a pressure-sensitive adhesive other than the first pressure-sensitive adhesive. In the pressure-sensitive adhesive tape or sheet, the region composed of the first pressure-sensitive adhesive and the region composed of the other pressure-sensitive adhesive than the first pressure-sensitive adhesive preferably are preferably in the form of stripes extending in the longitudinal direction.

    Abstract translation: 公开了一种具有粘合面的压敏粘合带或片,该粘合面包括能够作用在被粘物上的两种或更多种不同的压敏粘合剂,并且具有高水平的粘合性和剥离能力。 该粘合带或粘合片的粘合面基本上是平滑的,并且至少包括由第一压敏粘合剂组成的区域和至少一个由第一压敏粘合剂以外的压敏粘合剂构成的区域。 在压敏粘合带或片材中,由第一压敏粘合剂构成的区域和由第一压敏粘合剂组成的区域优选地优选为纵向延伸的条纹 方向。

    PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE LAYER, AND PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET
    13.
    发明申请
    PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE LAYER, AND PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET 审中-公开
    压敏粘合剂组合物,压敏胶粘剂层和压敏胶粘带或薄片

    公开(公告)号:US20120123046A1

    公开(公告)日:2012-05-17

    申请号:US13295352

    申请日:2011-11-14

    Abstract: The present invention relates to a pressure-sensitive adhesive composition comprising: a monomer mixture comprising the following (a1), (a2) and (a3) or partially polymerized product thereof; and thermal-expandable fine particles: (a1): alkyl (meth)acrylate monomer having 4 to 12 carbon atoms in its alkyl moiety and having a glass transition temperature when formed into a homopolymer of lower than 0° C.; (a2): monomer having at least one nitrogen atom and one ethylenically unsaturated bond in its molecule; and (a3): monomer having one ethylenically unsaturated bond in its molecule and having a glass transition temperature when formed into a homopolymer of 0° C. or higher (excluding (a2) above).

    Abstract translation: 本发明涉及一种压敏粘合剂组合物,其包含:包含以下(a1),(a2)和(a3)或其部分聚合产物的单体混合物; 和热膨胀性微粒:(a1):在其烷基部分具有4〜12个碳原子的(甲基)丙烯酸烷基酯单体,并且当形成低于0℃的均聚物时具有玻璃化转变温度; (a2):在其分子中具有至少一个氮原子和一个烯属不饱和键的单体; 和(a3):在其分子中具有一个烯键式不饱和键的单体,当形成0℃或更高的均聚物(不包括(a2))时具有玻璃化转变温度。

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