【摘要】 介绍了ADC生产中在联二脲缩合反应前增设预中和工序,避免酸与尿素接触,使之不发生原有的副反应,从而降低了消耗,改善了操作环境。更多还原

【Abstract】 Pre -neutralization process is added before biurea condensation reacti on in the production of ADC,thus avoiding contact of acid and urea,avoiding side reactio n,reducing consumption and improving operation environment.更多还原