利用酯化反应基本原理,以丙三醇和醋酸在催化剂的作用下进行酯化反应,经脱水、减压精馏得甘油三醋酸酯产品。
Using glycerine and acetic acid as raw materials and in the presence of catalyst, glycerin triacetate was synthesized through esterification, dehydration and underpressrue distillation.
对上述催化剂制备、三醋酸甘油酯收率、催化剂优缺点作简要介绍。
The preparation of catalysts, yield of glyceryl triacetate, and merits and demerits of the catalysts were introduced briefly.
以丙三醇和乙酸为原料,用对甲苯磺酸作催化剂,甲苯为带水剂,合成三醋酸甘油酯。
Glycerol triacetate was synthesized from glycerol and acetic acid using p -toluene sulphonic acid as catalyst and toluene as water-carrying agent.
实验表明:固定化催化剂活性高、可以重复使用多次,三醋酸甘油酯收率可达92 %以上。
The results show that immobilized catalyst has higher catalytic activity. The catalyst can be used times. The yield of glyceryl triacetate is above 92%.
此条件下,三醋酸甘油酯收率超过94%。
Under this conditions, the yield of glyceryl triacetate was up to 94%.
报道了以甘油和醋酸为原料,用固定化催化剂催化合成三醋酸甘油酯。
Glyceryl triacetate was synthesized from acetic acid and glycerine using immobilized catalyst.
目前,以甘油为原料生产甘油酯的种类越来越多,三醋酸甘油酯、单脂肪酸甘油酯、油酸甘油酯等甘油酯类化合物均为用途广泛的化工产品。
At present, glycerol was used as raw materials to produce more and more types of glycerides, triacetin, glycerin fatty acid ester, oleic acid ester compounds etc are widely used as chemicals.
研究了把稀土硫酸盐固载于该材料上作为酯催化剂催化合成三醋酸甘油酯。
Study on synthesis of glycerol triacetate using p-toluensulphonic acid supported by activated carbon as catalyst;
研究了把稀土硫酸盐固载于该材料上作为酯催化剂催化合成三醋酸甘油酯。
Study on synthesis of glycerol triacetate using p-toluensulphonic acid supported by activated carbon as catalyst;
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