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发明申请
US20030153642A1 Pressure sensitive adhesive comprising vinylpyrrolidone 失效
包含乙烯基吡咯烷酮的压敏粘合剂

Pressure sensitive adhesive comprising vinylpyrrolidone
摘要：
A pressure sensitive adhesive comprising a mixture of a radiation-crosslinkable polymer A) composed of at least 40% by weight of C1 to C18 alkyl (meth)acrylates and a polymer B) composed of at least 20% by weight of vinylpyrrolidone and of less than 40% by weight of C1 to C18 alkyl (meth)acrylates or a pressure sensitive adhesive comprising a radiation-crosslinkable polymer C) composed of at least 40% by weight of C1 to C18 alkyl (meth)acrylates and comprising vinylpyrrolidone as comonomer, the fraction of the polymer B) in the mixture being less than 15% by weight, based on the sum of A)nullB), and the amount of vinylpyrrolidone in the polymer C) being less than 15% by weight.
摘要（中）：

包含由至少40重量％的（甲基）丙烯酸C 1〜C 18烷基酯组成的可辐射交联聚合物A）和由至少20重量％的乙烯基吡咯烷酮组成的聚合物B）的混合物的压敏粘合剂 （甲基）丙烯酸C1-C18烷基酯的40重量％或包含可辐射交联聚合物C的压敏粘合剂）由至少40重量％的（甲基）丙烯酸C 1〜C 18烷基酯组成并且包含乙烯基吡咯烷酮作为共聚单体， 混合物中聚合物B）的分数小于15重量％，基于A）+ B）的总和，聚合物C）中的乙烯基吡咯烷酮的量小于15重量％。

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