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聚N-烷基丙烯酰胺类凝胶及其温敏特性
引用本文:金曼蓉,吴长发,张桂英,刘培毅,侯薇.聚N-烷基丙烯酰胺类凝胶及其温敏特性[J].高分子学报,1995(3).
作者姓名:金曼蓉  吴长发  张桂英  刘培毅  侯薇
作者单位:天津医科大学药学系
摘    要:研制成功5种聚N-烷基丙烯酰胺类温敏凝胶:聚N-异丙基丙烯酰胺(PNIPA),聚N-异丙基丙烯酰胺+甲基丙烯酰胺(PNIPA/MAA),聚N,N-二乙基丙烯酰胺(PNDEA),聚N-正丙基丙烯酰胺(PNNPA),聚N,N-二乙基丙烯酰胺+N-叔丁基丙烯酰胺(PNDEA/NTBA),并系统研究了这些凝胶的温敏相交特性.以聚N-异丙基丙烯酰胺(PNIPA)凝胶相交特性为基础的凝胶萃取过程对牛血清白蛋白和兰葡聚糖溶液的浓缩实验表明,凝胶萃取对于浓缩和制备贵重生化制品是很有效的.

关 键 词:聚N-烷基丙烯酰胺凝胶,温敏性,凝胶萃取分离,相变温度

N-ALKYL ACRYLAMIDE GELS AND THEIR TEMPERATURESENSITIVE PROPERTIES
JIN Manrong, ZHANG Guiying, WU Changfa, LIU Peiyi, HOU Wei.N-ALKYL ACRYLAMIDE GELS AND THEIR TEMPERATURESENSITIVE PROPERTIES[J].Acta Polymerica Sinica,1995(3).
Authors:JIN Manrong  ZHANG Guiying  WU Changfa  LIU Peiyi  HOU Wei
Abstract: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.
Keywords:Poly-N-Alkyl acrylamide gels  Temperature sensibility  Phase-transition  Gel-extraction separation
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