A condensed phosphoric ester having a very low content of volatile components is provided by a process including a first step of reacting a phosphorus oxytrihalide with a bisphenol-based compound to prepare a phosphorohalidate; a second step of removing unreacted phosphorus oxytrihalide; and a third step of reacting the phosphorohalidate with a monophenol-based compound at a specific ratio.
一种挥发性成分含量极低的缩合
磷酸酯是通过一种工艺提供的,该工艺包括:第一步,使氧化三
卤化磷与双
酚基化合物反应,制备
磷卤化物;第二步,除去未反应的氧化三
卤化磷;第三步,使
磷卤化物与单
酚基化合物按特定比例反应。