AM/AA/DMDAAC/OAM疏水缔合的两性共聚物的合成及性能研究  

Synthesis and properties of AM/AA/DMDAAC/OAM hydrophobic associating ampholytic copolymers

作　　者：丁艳[1] 马秋阳[1] 

机构地区：[1]淮北师范大学化学与材料科学学院,安徽淮北235000

出　　处：《化学研究与应用》2013年第8期1204-1209,共6页Chemical Research and Application

基　　金：安徽高校省级自然科学研究项目(KJ2012Z344)

摘　　要：以十八醇为原料,制备长链疏水单体N-十八烷基丙烯酰胺(OAM)。以丙烯酰胺(AM)、丙烯酸(AA)、二甲基二烯丙基氯化铵(DMDAAC)、N-十八烷基丙烯酰胺(OAM)为单体,通过胶束聚合法合成了水溶性疏水缔合两性四元共聚物。利用FT-IR、1HNMR、DTA-TG对聚合物的结构和热稳定性进行分析,考察了疏水基团摩尔分数、聚合物浓度对聚合物溶液表观粘度、储能模量、耗能模量等流变性能的影响,并对四元共聚物溶液的性能进行评价。结果表明,疏水两性共聚物具有很好的耐温、抗盐、耐剪切等优异性能。The N-octadecyl acrylamide was prepared with stearyl alcohol as raw materials.A series of hydrophobically associating water-soluble polymer was synthesized with acrylamide,acrylic acid,dimethyl diallyl ammonium chloride and N-octadecyl acrylamide by micellar polymerization.The structure and thermal stability of the copolymer were determined by FT-IR,1HNMR,DTA-TG.The effects of mole fraction of hydrophobic groups,copolymer concentration,temperature,salt concentration and rate of shear on the apparent viscosity,the？storage？modulus？and？loss？modulus of the copolymer have been studied.The results showed that the copolymer has good thermal stability and temperature resistance,salt tolerance.

关 键 词：水溶性高分子 疏水缔合聚合物 两性聚合物 耐温抗盐 

分 类 号：O632.6[理学—高分子化学]