Using plug flow reactor (PFR) as pre condensing and dislocation reactor is helpful in increasing the content of methylene diphenylamine (MDA) in the product.

• 对苯胺、甲醛在盐酸催化下生成二苯基甲烷二胺(MDA)及其同系物的连续缩合流程进行了研究,并与间歇缩合进行了比较。