Styrene, surfactant and selected superabsorbent polymer were mixed and benzoperoxide was added to initiat the in-situ blend polymerization of styrene to prepare water-disintegrable PS.

• 选取部分吸水树脂与苯乙烯、表面活性剂组成聚合体系，用过氧化苯甲酰引发进行原位共混聚合，制备了遇水崩解型聚苯乙烯。