The present invention provides an industrially advantageous method for producing an unsaturated carboxylic acid-modified vinyl alcohol polymer, and a gas barrier film obtained by using the same.

本发明提供工业上具有优势地位的不饱和羧酸改性乙烯醇类聚合物的制造方法以及使用该聚合物的阻气性膜。

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Abstract: Benzoic acid (BA) ligand was bonded on the side chains of polysulfone (PS) via a polymer reaction and obtained aryl carboxylic acid-functionalized polysulfone PSBA.

摘要：通过大分子反应将苯甲酸(BA)键合在聚苯乙烯(PS)侧链，制得芳羧酸功能化的聚苯乙烯psba。

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