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    Surface-treated microporous membrane and electrochemical device prepared thereby
    2.
    发明公开
    Surface-treated microporous membrane and electrochemical device prepared thereby 有权
    OberflächenbehandeltemikroporöseVerbundstoffmembran und damit hergestellte elektrochemische Vorrichtung

    公开(公告)号：EP2544260A2

    公开(公告)日：2013-01-09

    申请号：EP12182787.7

    申请日：2005-12-07

    申请人： LG Chemical Co. Ltd

    发明人： Kim, Seok Koo ,  Lee, Sang Young ,  Ahn, Soon Ho ,  Suk, Jung Don ,  Yong, Hyun Hang

    IPC分类号： H01M2/16 ,  H01M10/0525

    CPC分类号： H01M2/1653 ,  H01M2/162 ,  H01M2/1633 ,  H01M2/166 ,  H01M2/168 ,  H01M2/1686 ,  H01M10/0525 ,  Y02E60/12

    摘要： Disclosed is a porous film comprising: (a) a porous substrate having pores; and (b) a coating layer formed on at least one region selected from the group consisting of a surface of the substrate and a part of the pores present in the substrate, wherein the coating layer comprises styrene-butadiene rubber. An electrochemical device using the porous film as a separator is also disclosed. The porous film is coated with a styrene-butadiene polymer, whose rubbery characteristics can be controlled, and thus provides improved scratch resistance and adhesion to other substrates. When the porous film is used as a separator for an electrochemical device, it is possible to improve the safety of the electrochemical device and to prevent degradation in the quality of the electrochemical device.

    摘要翻译： 公开了一种多孔膜，其包括：（a）具有孔的多孔基材; 和（b）形成在选自基材的表面和存在于基材中的一部分孔的至少一个区域上的涂层，其中所述涂层包含苯乙烯 - 丁二烯橡胶。 还公开了使用多孔膜作为隔膜的电化学装置。 多孔膜涂覆有可以控制其橡胶特性的苯乙烯 - 丁二烯聚合物，从而提供改善的耐擦伤性和与其它基材的粘合性。 当多孔膜用作电化学装置的隔膜时，可以提高电化学装置的安全性并防止电化学装置的质量下降。