| abstract |
Provided are a copolyester and a resin composition that exhibit an excellent storage stability, water-resistant adhesion, workability, weather resistance, and leveling behavior. A copolyester resin comprising a polycarboxylic acid component and a polyhydric alcohol component as copolymerization components, wherein an alicyclic polycarboxylic acid component is at least 50 mol% using 100 mol% for the polycarboxylic acid component, and the copolyester resin has an acid value of 170 equivalent/10 6 g to 1,000 equivalent/10 6 g. |