| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a copolyester for coating and an aqueous dispersion, which have low swelling properties to an organic solvent, excellent film production properties, and moreover excellent blocking resistance and adhesive easiness. <P>SOLUTION: There are disclosed: the copolyester for coating, comprising aromatic dicarboxylic acid components and glycol components, wherein the aromatic dicarboxylic acid components contain 60-80 mol% of a 2,6-naphthalene dicarboxylic acid component, 1-10 mol% of an aromatic dicarboxylic acid component having a sulfonate group, and 10-35 mol% of the other aromatic dicarboxylic acid components, and the glycol components contain 20-70 mol% of an ethylene glycol component, 10-30 mol% of a bisphenol A component added with ethylene oxide, 20-50 mol% of a 3-10C aliphatic glycol component, and 0-20 mol% of a 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene component; and the aqueous dispersion prepared by using the copolyester. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
