PHOTOCURABLE SHEET-TYPE ADHESIVE COMPOSITION FOR OPTICAL USE
    3.
    发明申请
    PHOTOCURABLE SHEET-TYPE ADHESIVE COMPOSITION FOR OPTICAL USE 有权
    用于光学用途的光电胶片类粘合剂组合物

    公开(公告)号:US20150024218A1

    公开(公告)日:2015-01-22

    申请号:US14379038

    申请日:2013-02-14

    IPC分类号: C09J7/00

    摘要: An object of the present invention is to provide a photocurable sheet-type adhesive composition for optical use, which is used for bonding cover glass and a touch panel, a touch panel and a display module, or the like, and has high appearance reliability and storage stability even under high temperature and high humidity.The present invention is a photocurable sheet-shape adhesive for optical use, which contains the following components (A) to (D): (A) 100 parts by mass of a urethane (meth)acrylate oligomer having a weight average molecular weight of 20,000 to 100,000; (B) 3 to 70 parts by mass of a phenoxy resin having a glass transition temperature of 50 to 120° C.; (C) 0.1 to 10 parts by mass of a photopolymerization initiator; and (D) 1 to 50 parts by mass of a (meth)acrylate monomer which has 8 to 30 repeated blocks having an ether linkage in the molecule and containing at least one (meth)acryloyl group in the molecule.

    摘要翻译: 本发明的目的是提供一种光固化片状粘合剂组合物,其用于粘合玻璃和触摸屏,触摸屏和显示模块等,具有高的外观可靠性和 即使在高温高湿下也能保持稳定。 本发明是光固化性光学用片状粘合剂,其含有以下成分(A)〜(D):(A)将100质量份重均分子量为20,000的氨基甲酸酯(甲基)丙烯酸酯低聚物 至100,000; (B)3〜70质量份的玻璃化转变温度为50〜120℃的苯氧基树脂。 (C)0.1〜10质量份光聚合引发剂; 和(D)1〜50质量份的(甲基)丙烯酸酯单体,其在分子中具有8〜30个具有醚键的重复嵌段,并且在分子中含有至少一个(甲基)丙烯酰基。