Polyacrylamide resin containing easter groups was prepared with reverse phase suspension copolymerization, onto which the benzhydrylamine groups was introduced by ethylene diamine substitution and two steps of condensation reactions.

• 通过反相悬浮共聚合成了含酯基的聚丙烯酰胺树脂,再经乙二胺取代和两步缩合反应引入二苯甲胺功能基团。