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Novel catalyst for preparing polyester, method for preparing polyester by using the same, and polyester prepared by using the same
Novel catalyst for preparing polyester, method for preparing polyester by using the same, and polyester prepared by using the same
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机译:制备聚酯的新型催化剂,使用该催化剂制备聚酯的方法,以及使用该催化剂制备的聚酯
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摘要
The present invention has the effect of providing a novel catalyst material used for preparing polyester with improved molecular weight and color from a dicarboxylic acid aromatic heterocyclic compound or a derivative thereof.
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