开发了一种用磷钨酸铝催化合成二甘醇二苯甲酸酯(DEDB)的新方法。
A novel preparation method to synthesize DEDB by using aluminium phosphotungstate catalyst was developed.
用于催化酯化合成二甘醇二苯甲酸酯增塑剂 ，处理后固体铌酸的催化活性和重复使用寿命有明显提高。
It was observed that the catalytic activity and the usable life of the treated niobic acid for synthesis of diethylene glycol dibenzoate was apparently higher than that of the untreated niobic acid.
以间甲基苯甲酸和二甘醇为原料，钛酸四丁酯为催化剂合成了二乙二醇二间甲基苯甲酸酯。
Diethylene glycol binary m-methyl benzoate was synthesized with diethylene glycol and m-methyl benzoic acid in the presence of tetrabutyl titanate.
以间甲基苯甲酸和二甘醇为原料，钛酸四丁酯为催化剂合成了二乙二醇二间甲基苯甲酸酯。
Diethylene glycol binary m-methyl benzoate was synthesized with diethylene glycol and m-methyl benzoic acid in the presence of tetrabutyl titanate.
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