| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polyester resin capable of producing a container having less amounts of forming a cyclic trimer and acetaldehyde and excellent in color tone. <P>SOLUTION: A polyester resin bottle comprises a polyester resin polymerized by using a titanium catalyst, and is characterized by having an amount of phosphorus atom extracted into water in a range of 0.08 ppb-0.40 ppb after the bottle is filled with hot water of 90°C and is cooled in the air, and then, it is stored at 35°C for 3 weeks, and an amount of acetaldehyde of≤100 ppb. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
