Removable Pressure Sensitive Adhesive Of Acrylic Emulsion Type And Method For Preparing The Same

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PURPOSE : A re-releasable acrylic adhesive is provided to have environment-friendly property, excellent aging adhesion property and dimensional stability, and to have excellent removability with excellent adhesion near to a permanent adhesive. CONSTITUTION : An environment-friendly re-releasable acrylic adhesive comprises : 70-96.5 weight%% of a (meth)acrylic ester having a C1-14 alkyl group; 0.5-27 weight%% of one or more kinds selected from a group of functional group-containing monomers consisting of a monomer having an epoxy group, a monomer having a vinylester group, and a monomer having a cyano group; and 0.6-3 weight%% of a crosslinking agent containing 5-13 alkylene oxide groups, having an acrylate group or vinyl group. The change rate of adhesion is 20%% or less. COPYRIGHT KIPO 2012