A temperature sensitive gel as extraction agent which is a copolymer of N-isopropy-lacrylamide (NIPA) with sodium methacrylate has been synthesized.

• 本工作合成了一种温敏萃取凝胶,即N-异丙基丙烯酰胺与甲基丙烯酸钠的共聚物凝胶。