| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a wholly aromatic polyester, which enables the improvement in troubles and handling difficulty due to powder and the shortage of a solid phase polymerization time. SOLUTION: This method for producing the wholly aromatic polyester comprises sequentially subjecting three components comprising an aromatic diol component, an aromatic dicarboxylic acid component, and a diaryl carbonate to a preliminary polymerization process, a crystallization process, a crushing process, a coagulation process, and a solid phase polymerization process.
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