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    • 8. 发明授权
    • Package for containing and applying a bug repellent patch
    • 用于包含和应用防虫补丁的包装
    • US5656282A
    • 1997-08-12
    • US369068
    • 1995-01-05
    • Charles D. CookNicholas A. AhrCharles J. BergMichael E. Hilton
    • Charles D. CookNicholas A. AhrCharles J. BergMichael E. Hilton
    • A01N25/34A01N25/18A61F13/00A61F15/00A01N25/08
    • A01N25/18A61F15/001A61F2013/00804A61F2013/00817
    • A pouch package, containing a volatile solution-impregnated patch, is made of a peelable barrier film. The pouch envelops an absorbent substrate saturated preferably with bug repellent fluid. A PSA (pressure sensitive adhesive) coated backing film is laminated to the absorbent substrate. The backing film has a connecting portion which is peelably sealed to the inside of the pouch. When the pouch is peeled open, the PSA coated backing film is exposed and placed against a target surface, such as a patch wearer's clothing. Finally, the side of the pouch facing the absorbent substrate is peeled off the backing film connecting portion to expose the absorbent substrate. A key to functionality of the pouch package is differential adhesion. First, the pouch barrier film must be peelable from itself, yet it must not adhere to the pressure sensitive adhesive on the backing film. A release paper may be used to cover the PSA when peeling the pouch open. Second, the pouch film must be peelable from the backing film connecting portion without disturbing the bond between the fastening surface and the target surface. Third, the backing film must be laminated to the absorbent substrate more strongly than the PSA adheres to the backing film, so that when the patch is removed from the target surface, the PSA stays with the patch.
    • 包含挥发性溶液浸渍贴剂的袋包装由可剥离的阻隔膜制成。 该袋包围一个最好用防臭剂液体饱和的吸收性基材。 将PSA(压敏粘合剂)涂覆的背衬膜层压到吸收性基材上。 背衬膜具有可剥离地密封到袋的内部的连接部分。 当袋剥离时,将PSA涂覆的背衬膜暴露并放置在目标表面上,例如贴片佩戴者的衣服上。 最后,将面向吸收性基材的袋的一侧从背衬膜连接部分剥离,以露出吸收性基材。 袋包装的功能的关键是差别粘附。 首先,袋阻挡膜必须能够自身剥离,但是它不能粘附到背衬膜上的压敏粘合剂上。 剥离袋打开时可以使用剥离纸覆盖PSA。 第二,袋膜必须可以从背衬膜连接部分剥离,而不会干扰紧固表面和目标表面之间的粘结。 第三,背衬膜必须比PSA粘附到背衬膜上更强地层压到吸收性衬底上,使得当贴片从目标表面移除时,PSA保持贴片。