| 摘要 |
PROBLEM TO BE SOLVED: To provide a catalyst for manufacturing a polyester that is used for manufacturing a polyester polymer with good color and transparency, and having a very small amount of acetaldehyde. SOLUTION: A reaction product of (A) a titanium compound component, (B) a phosphorus compound component and (C) an alkaline earth metal compound is used as the catalyst for manufacturing a polyester. COPYRIGHT: (C)2004,JPO&NCIPI
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