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    • 4. 发明申请
    • PRESSURE-SENSITIVE ADHESIVE TAPE FOR PROTECTING ELECTRODE PLATE
    • 用于保护电极板的压敏胶带
    • US20120052295A1
    • 2012-03-01
    • US13219792
    • 2011-08-29
    • Jun IWATAMitsuru KAMITANIHiroomi HANAI
    • Jun IWATAMitsuru KAMITANIHiroomi HANAI
    • B32B7/12
    • C09J7/38C09J2479/086Y10T428/28
    • The present invention relates to a pressure-sensitive adhesive tape for protecting an electrode plate, containing: a substrate, and a pressure-sensitive adhesive layer provided on at least one side of a the substrate, in which the pressure-sensitive adhesive tape has a piercing resistance, obtained by the following calculation method, of 300 gf·mm or more; and has a heat shrinkage ratio, when heating is performed at 260° C. for 1 hour, of 1.0% or less in both of TD (width) direction and MD (length) direction, and in which the calculation method contains fixing the pressure-sensitive adhesive tape to a fixing plate in which a circular hole having a diameter of 11.28 mm is formed, piercing a needle of which the end of has a curvature radius of 0.5 mm to the pressure-sensitive adhesive tape at a speed of 2 mm/s under condition of 23±2° C., and measuring a maximum load (gf) and a maximum elongation (mm) of the pressure-sensitive adhesive tape when the needle penetrates the pressure-sensitive adhesive tape; and the piercing resistance is calculated by the following equation (1): Piercing resistance=[Maximum load (gf)]×[Maximum elongation (mm) of the pressure-sensitive adhesive tape]×½  (1).
    • 本发明涉及一种用于保护电极板的压敏粘合带,其包含:基材和设置在基材的至少一侧上的压敏粘合剂层,其中该粘合带具有 通过以下计算方法获得的穿孔电阻为300gf·mm以上; 并且在TD(宽度)方向和MD(长度)方向均为260℃,1小时以上1.0%以下的加热时,具有热收缩率,其中计算方法包括固定压力 形成有直径为11.28mm的圆形孔的固定板,将其曲率半径为0.5mm的端部的针以2mm的速度穿透到压敏粘合带 在23±2℃的条件下测量,并且当针穿透压敏粘合带时测量压敏粘合带的最大载荷(gf)和最大伸长率(mm); 通过下式(1)计算穿刺阻力:穿刺阻力= [最大载荷(gf)]×[粘合带的最大伸长率(mm)]×½(1)。