The supply and demand for trimellitic anhydride at home and abroad were analyzed, and previewed its demand in several years to come.
分析了国内外偏苯三酸酐的市场供需状况，并对我国今后几年的需求进行了分析和预测。
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This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.