| abstract |
PROBLEM TO BE SOLVED: To provide an acrylic pressure-sensitive adhesive having good adhesive properties, moisture resistance, water resistance, etc., and excellent antibacterial durability as compared with the prior art. SOLUTION: It is made of an alkyl (meth) acrylate copolymer having at least one quaternary ammonium / organic acid base having a specific structure in a molecular side chain, and has an antibacterial property. |