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Adhesive patch where voids in the adhesive are localised at the peripheral of the patch
Adhesive patch where voids in the adhesive are localised at the peripheral of the patch
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机译：粘合剂补片，其中粘合剂中的空隙位于补片的外围
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摘要
An adhesive patch is disclosed. The patch comprises a support (10) and an adhesive layer (11) formed on at least one surface of the support (10). The adhesive patch has a peripheral part (22) and a central part (21). The adhesive layer (11) has voids (31) that are localized in the peripheral part (22) where as the adhesive layer (11) in the central part 21 is substantially free of voids. The preferable size of the voids (31) is 2.0 - 100 voids/mm3 on average. Since changes of adhesive layer components over time, such as additives and the like, are reduced by the inclusion of the voids, the adhesive patch is highly resistant to the detachment from the skin surface, the adhesive layer components do not easily protrude from the edge of the adhesive patch during preservation in a package and adhesion of the adhesive patch to an inner surface of the package is suppressed. Additionally the adhesive patch can be easily taken out from the package and edge lifting of the adhesive patch caused by cold flow is suppressed during adhesion to the skin.
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机译：公开了一种贴剂。该贴剂包括支撑物（10）和形成在支撑物（10）的至少一个表面上的粘合层（11）。所述粘贴片具有外围部分（22）和中心部分（21）。粘合剂层（11）具有位于周边部分（22）中的空隙（31），而中央部分21中的粘合剂层（11）基本上没有空隙。空隙（31）的优选尺寸平均为2.0-100个空隙/ mm 3。由于通过包含空隙减少了诸如添加剂等的粘合剂层成分随时间的变化，因此该粘合剂贴剂高度抵抗从皮肤表面的剥离，该粘合剂层成分不容易从边缘突出。在包装中保存期间胶粘剂的残留量降低，并且抑制了胶粘剂粘附到包装的内表面上。另外，可以容易地从包装中取出粘合贴剂，并且在与皮肤粘合期间抑制了由冷流引起的粘合贴剂的边缘翘起。
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