| abstract |
The present invention provides a pressure-sensitive adhesive composition having good adhesive strength, excellent adhesive properties such as little change with time or storage environment, and particularly improved hot water whitening resistance and removability. (A) (a) 65 to 99.9 parts by mass of (meth) acrylic acid alkyl ester having 4 to 12 carbon atoms in alkyl group, (b) 0.1 to 8. Obtained by emulsion polymerization of a monomer component consisting of 0 parts by mass, (c) 0 to 27 parts by mass of other polymerizable monomers [where (a) + (b) + (c) = 100 parts by mass] (B) with respect to 100 parts by mass (in terms of solid content) of a copolymer emulsion containing a glass transition point at −20 to −75 ° C. and (d) a silane coupling agent and / or a derivative thereof. A pressure-sensitive adhesive composition containing 1 to 30 parts by mass of a rosin-based tackifier, (C) 0.01 to 5 parts by mass of a phosphate ester-based surfactant, and (D) 0 to 5 parts by mass of a polyisocyanate-based crosslinking agent. I will provide a. [Selection figure] None |