非酸催化酯化合成耐寒增塑剂AGS酸二辛酯的研究

STUDY ON THE SYNTHESIS OF COLD RESISTANT PLASTICIZER DIOCTYL AGS ACID CATALYZED BY THE COMPOSITE TITANIUM TETRAESTER

介绍了以ＡＧＳ酸和辛醇为原料，在复合钛酸酯催化剂作用下，经酯化反应合成ＡＧＳ酸二辛酯耐寒增塑剂的方法，分析了影响反应的诸因素，得到了反应的最佳条件，ＡＧＳ酸的酯化率达９８％．产品可替代ＤＯＡ和ＤＯＳ用作耐寒增塑剂．

Based on experimental results,the preparing process of dioctyl AGS acid is introduced.Which uses AGS acid and n octyl alcohol as raw materials,through esterification with composite titanium tetraester as catalyst.The suitable conditions of the reaction are established.The conversion of AGS acid is above 98%.Dioctyl AGS acid can be used as cold resistant plasticizer.