| abstract |
(57) [Summary] [Structure] A tackifier emulsion comprising a rosin substance, a dispersant and water, wherein the rosin substance is (A) rosin, (B) α, β-unsaturated carboxylic acid, ( C) Sulfocarboxylic acids, and (D) a tackifier emulsion containing 20% by weight or more of a reaction product comprising a polyhydric alcohol having a valence of 3 or more, and the tackifier emulsion and a base polymer emulsion and / or a base polymer latex. An aqueous pressure-sensitive adhesive composition comprising: [Effect] A tackifier emulsion having excellent adhesive properties, mechanical stability, hard water stability, and miscibility, and adhesive properties, It is possible to provide a water-based pressure-sensitive adhesive composition which has excellent water resistance and is suitable for tapes for various applications. |