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    • 44. 发明授权
    • Pressure-sensitive adhesive composition for PDP front filter and use thereof
    • 用于PDP前置滤波器的压敏粘合剂组合物及其用途
    • US08445597B2
    • 2013-05-21
    • US12374377
    • 2007-06-14
    • Koji Tomita
    • Koji Tomita
    • C08L33/06B32B15/04B32B7/12
    • C09J133/02C08G18/6229C08G18/6283C08G2170/40C08L33/04C08L2205/025C08L2312/00C08L2666/04C09J133/066C09J163/00C09J175/04
    • A pressure-sensitive adhesive composition for PDP front filters includes 100 parts by weight of a high molecular weight acrylic polymer A having a COOH or OH group, a weight average molecular weight (Mw) of 400,000 to less than 800,000, a molecular weight distribution (Mw/Mn) of not more than 5 and a glass transition temperature (Tg-A) of −40 to −10° C., and 5 to 20 parts by weight of a low molecular weight acrylic polymer B having a weight average molecular weight (Mw) of 10,000 to 50,000, a molecular weight distribution (Mw/Mn) of not more than 5 and a glass transition temperature (Tg-B) of 40 to 120° C.; and is crosslinked to a gel fraction of 50 to 90% and has a 90° peel strength of 5 to 15 N/25 mm. The pressure-sensitive adhesive composition does not cause bonding failures such as lifting even when exposed to thermal cycles.
    • 用于PDP前过滤器的压敏粘合剂组合物包括100重量份具有COOH或OH基的高分子量丙烯酸类聚合物A,重均分子量(Mw)为400,000至小于800,000,分子量分布( Mw / Mn)为5以下,玻璃化转变温度(Tg-A)为-40〜-10℃,5〜20重量份具有重均分子量的低分子量丙烯酸类聚合物B (Mw)为10,000〜50,000,分子量分布(Mw / Mn)为5以下,玻璃化转变温度(Tg-B)为40〜120℃。 并且交联至50至90%的凝胶分数,并且具有5至15N / 25mm的90°剥离强度。 压敏粘合剂组合物即使在暴露于热循环时也不引起接合故障,例如提升。