| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an acrylic adhesive for a surface protective film, the adhesive having sufficient adhesiveness and leaving no glue after peeled. <P>SOLUTION: The acrylic adhesive for a surface protective film is obtained by copolymerizing 70 to 95 mass% of an alkyl acrylate having 2 to 5 carbon atoms in an alkyl group moiety and 5 to 30 mass% of a hydroxyl group-containing alkyl (meth)acrylate having 1 to 12 carbon atoms in an alkyl group moiety; and the adhesive has a glass transition temperature of -30 to -20°C and a weight average molecular weight of 1,000,000 to 1,500,000. <P>COPYRIGHT: (C)2012,JPO&INPIT |
