| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyester excellent in hydrolytic resistance and heat resistance. <P>SOLUTION: The polyester includes an aromatic dicarboxylic acid component (component A) and an aliphatic dimer acid component (component B) as acid components, and an ethylene glycol component (component C) and a 6-10C alkylene glycol component (component D) as glycol components, wherein the molar ratio of the component A and the component B is in the range of 70:30 to 90:10; the molar ratio of the component C and the component D is in the range of 80:20 to 95:5; and the molar ratio of the component B (component B<SB POS="POST">C</SB>) bonding with the component C and the component B (component B<SB POS="POST">D</SB>) bonding with the component D is in the range of 40:60 to 60:40. <P>COPYRIGHT: (C)2013,JPO&INPIT |
