【摘要】 以对苯二甲酸（ＴＰＡ）下脚料和２－乙基己醇为原料，在钛酸四丁酯作催化剂的条件下，采用直接酯化法制取对苯二甲酸二辛酯（ＤＯＴＰ）；确定了合成工艺的最佳操作条件。产品质量符合７０℃级电缆料的技术指标更多还原

【Abstract】 The esterification technique for preparing dioctyl terephthalate(DOTP)by using waste dimethyl terephthalic acid(TPA) and 2 ethylhexanol as raw materials and tetrabutyltitanate as catalyst was introduced The optimum conditions of the synthesis were established The product quality is in accord with the 70℃ cable material standards更多还原