Phthalic anhydride is an important chemical raw material which is mainly used in the production of plasticizer, alkyd resins and unsaturated polyester resins.
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摘要苯酐(邻苯二甲酸酐)是一种重要的化工原料,主要应用于增塑剂、醇酸树脂、不饱和聚酯树脂的生产。
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