REMOVABLE WATER-DISPERSIBLE ACRYLIC ADHESIVE COMPOSITION, AND ADHESIVE SHEET

摘要

Provided is a water-dispersible acrylic adhesive composition capable of forming an adhesive layer which, when peeled, can prevent the buildup of electrostatic charge in the object to which the film is adhered (antistatic properties), has outstanding removability and can prevent an increase in peel force (adhesive strength) over time, while at the same time having less contamination with respect to the object to which the film is adhered, in particular the prevention of whitening in the object to which the object is adhered under high humidity conditions (prevention of whitening-causing contamination). Also provided is an adhesive sheet having an adhesive layer made from said adhesive composition. This removable water-dispersible acrylic adhesive composition is characterized by containing an acrylic emulsion-type polymer comprising, as a starting material monomer: (i) 70-99.5 wt.% of a (meth) acrylic acid alkyl ester and (ii) 0.5-10wt% of an carboxyl group-containing unsaturated monomer; a nonaqueous cross-linking agent; and an ionic compound.