| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel tackifier showing a great increase in viscosity at a low addition, and an aqueous emulsion compounded with the tackifier composition, and an aqueous emulsion paint. SOLUTION: This tackifier composition contains at least one compound represented by general formula (1), wherein one with c=1 is not less than 35 mass %, one with c=2 is not more than 40 mass %, one with c=3 is not more than 20 mass %, and one with c>=4 is not more than 15 mass %, and has a weight average molecular weight of 10,000-40,000. (in the formula, X and Z are each a functional group selected from the group consisting of a 6-36C alkyl group, cycloalkyl group, alkenyl group, cycloalkenyl group, aryl group, alkylaryl group, arylalkyl group, and arylalkylaryl group, Y is a divalent organic residue derived from an isocyanate compound, OR, OR', and OR" are each a 2-4C oxyalkylene group, a, b, and d are each an integer of 1-500, and c is an integer of 1 or larger).
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