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    PRESSURE-SENSITIVE ADHESIVE FILM
    1.
    发明申请
    PRESSURE-SENSITIVE ADHESIVE FILM 审中-公开
    压力敏感胶片

    公开(公告)号：US20140113131A1

    公开(公告)日：2014-04-24

    申请号：US14126696

    申请日：2012-05-21

    申请人： NITTO DENKO CORPORATION ,  NITTO DENKO CORPORATION

    发明人： Mitsushi Yamamoto ,  Keiji Hayashi

    IPC分类号： C09J9/00 ,  C09J7/02

    CPC分类号： C09J9/00 ,  B23K26/18 ,  C08K3/08 ,  C08K3/10 ,  C09J7/22 ,  C09J7/241 ,  C09J7/255 ,  C09J2201/606 ,  C09J2201/622 ,  C09J2205/106 ,  C09J2423/006 ,  C09J2467/006 ,  Y10T428/28 ,  Y10T428/2804

    摘要： Provided is a pressure-sensitive adhesive film suitable for an application involving cutting with a short-wavelength laser having a center wavelength of 1.0 μm to 1.1 μm. A pressure-sensitive adhesive film 1 according to the present invention comprises a resin film 10 as a substrate, and a pressure-sensitive adhesive layer 20 provided at least on a first face of resin film 10. Substrate 10 has a laser beam absorbance of 20% or higher in a wavelength range of 1000 nm to 1100 nm, and comprises a laser beam-absorbing layer 42 comprising a laser beam-absorbing agent 402 that increases the laser beam absorbance. As laser beam-absorbing agent 402, at least one species selected from a metal powder and a metallic compound powder can be preferably used.

    摘要翻译： 提供了适用于涉及用中心波长为1.0μm至1.1μm的短波长激光切割的应用的压敏粘合剂膜。 根据本发明的压敏粘合剂膜1包括作为基底的树脂膜10和至少设置在树脂膜10的第一面上的压敏粘合剂层20.基板10的激光束吸光度为20 在1000nm至1100nm的波长范围内的％或更高，并且包括激光束吸收层42，其包括增加激光束吸光度的激光束吸收剂402。 作为激光束吸收剂402，可以优选使用选自金属粉末和金属化合物粉末中的至少一种。

    Reinforcing film
    2.
    发明授权
    Reinforcing film 有权

    公开(公告)号：US11492520B2

    公开(公告)日：2022-11-08

    申请号：US16650931

    申请日：2018-09-18

    申请人： NITTO DENKO CORPORATION

    发明人： Takeshi Nakano ,  Keiji Hayashi ,  Souya Jo ,  Shogo Sasaki ,  Kenichi Kataoka

    IPC分类号： C09J7/38 ,  B32B7/12 ,  B32B27/36 ,  C09J133/08

    摘要： A reinforcing film comprises a pressure sensitive adhesive layer laminated and fixed on a principal surface of a film substrate. The pressure sensitive adhesive layer is formed of a photocurable composition containing a photocurable agent and a base polymer having a crosslinked structure. A frictional force of the pressure sensitive adhesive layer measured with a frictional force microscope at a frequency of 5 Hz is preferably 2 to 5 times a frictional force at a frequency of 0.1 Hz. After photocuring of the pressure sensitive adhesive layer, a frictional force of a photocured pressure sensitive adhesive layer measured with the frictional force microscope at a frequency of 5 Hz is preferably not less than 5 times a frictional force measured at a frequency of 0.1 Hz.