N-ALKYL ACRYLAMIDE GELS AND THEIR TEMPERATURESENSITIVE PROPERTIES
聚N－烷基丙烯酰胺类凝胶及其温敏特性

Poly-N-Alkyl acrylamide temperature-sensitive hydrogels (poly-N-isopropylamide,poly-N-isopropylacrylamide/methylacrylamide copolymer, poly-N, N-die-thylacrylamide,poly-N,N-diethylacrylamide/N-tert-butylactyamide copolymer and poly-N-n-propylamide) have been prepared.The temperature sensibilities,phase -transition as well as swelling-collapsing properties of the gels are discussed. Based on the performances of poly-N-isopropylacrylamide,the gel-extraction separation is examined to be an effective process for concentration of protein solutions.