To provide an adhesive composition excellent in balance of adhesive force at a high or low peeling rate, having stain resistance and excellent adhesive performance, further capable of being used for a surface substrate consisting of TAC, PMMA and PET, and capable of forming an adhesive layer having excellent in antistatic performance without time degradation from same adhesive composition, and a surface protective film.SOLUTION: An adhesive composition contains a first acrylic polymer of a copolymer having acidic value of 0.1 to 1.0 and copolymerized without containing polyalkylene glycol chain-containing mono(meth)acrylic acid ester monomer, a second acrylic polymer of a copolymer by copolymerizing the containing polyalkylene glycol chain-containing mono(meth)acrylic acid ester monomer, (D) tri- or higher functional isocyanate compound, (C) an ionic compound having F7 or more fluorine atom, anion and melting point of 25 to 50 degrees centigrade, (E) a crosslinking retarder, (F) a crosslinking catalyst other than a tin...

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