The polyacrylamide(PAM)widely used in many fields, such as oil exploitation, water purified, paper making, pharmacy and agriculture, is harmful to environment because of hard degradation in nature.

• 聚丙烯酰胺(PAM)对环境的污染日趋严重,尤其是降解后的单体丙烯酰胺对人类的神经系统有很大的危害。