| 摘要 |
The present invention provides and aqueous resin dispersion and having a relatively low acid value and high viscosity after alkali neutralization, and a method for producing the same. A core/shell-type aqueous resin dispersion comprising A core/shell-type resin including : A core part comprising a resin (C)having an acid value of not more than 20 and a hydroxyl group value of not more than 100 and being emulsion-polymerized from a polymerizable unsaturated monomer (c) containing neither acid group nor hydroxyl group, and optionally a hydroxyl group-containing polymerizable unsaturated monomer (b), and optionally an acid group-containing polymerizable unsaturated monomer (a), and a shell part comprising a resin (S) havig an acid value of 30 to 150 and a hydroxyl group value of 10 to 100 and being emulsion-polymerized from the acid group-containing polymerizable unsaturated monomer (a), the hydroxyl group-containing polymerizable unsaturated monomer (b), and the polymerizable unsaturated monomer (c) containing neither acid group nor hydroxyl group.
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