DEDB

According to the domestic and foreign datum, the synthetic method of DEDB by using diethylene glycol, benzoic acid and catalyst butyl titanate was introduced.

根据国内外文献资料，本文采用直接酯化法，以苯甲酸和二甘醇为原料，钛酸四丁酯为催化剂催化合成DEDB。

Study on Synthesis Process Conditions of DEDB

DEDB合成条件研究

The non-isothermal reaction kinetics for synthesis of diethylene glycol dibenzoate ( DEDB) was studied. The result showed that DEDB formation reaction belongs to chain competitive reaction.

对二乙二醇双苯甲酸酯（DEDB）的非恒温反应动力学进行了研究，结果表明：DEDB生成反应属二级复合反应中的连串竞争反应。

A novel preparation method to synthesize DEDB by using aluminium phosphotungstate catalyst was developed.

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.

DEDB also plays a great role in all kinds of thermal adhesive.

DEDB在制造各类热熔粘合剂中也起很大作用。

DEDB with the compatibility of PVC stabilizer worse than others. 8.

DEDB与PVC的相容性较其他稳定剂差。

Aimed at the kind of blade'sparts, a dynamic engineering database ( DEDB) oriented rapid process preparation system is developed.

针对叶片类零件开发一个面向快速工艺准备的动态工程数据库。