Patent ID: 7767752

Claim:
An acrylic pressure sensitive adhesive composition comprising, a) 100 weight part of acrylic copolymer, wherein the acrylic copolymer of a) is prepared by solution copolymerization of 90-99.9 weight part of (meth)acrylic acid ester monomer having C2-C8 alkyl and 0.1-10 weight part of vinyl and/or acrylic monomer having a functional group capable of crosslinking; b) 0.2-15 weight part of ester plasticizer having one or more ether bonds, represented by formula 1; c) 0.02-4 weight part of alkali metallic salt selected from a group consisting of lithium perchlorate (LiClO 4 ), lithium trifluoromethane sulfonate (LiSO 3 CF 3 ) and sodium perchlorate (NaClO 4 ); and d) 0.01-10 weight part of multifunctional crosslinking agent which is an isocyanate compound, Wherein, R1 and R2 are C8 alkyl, R3 is H, and n is an integer of 4-12, or the ether plasticizer having one or more ether bonds is triethylene glycol dibenzoate.