【摘要】 通过自由基胶束共聚法制备了PBAM系列非离子型疏水缔合共聚物,并对聚合反应进行了研究,结果表明,丙烯酰胺的水相聚合反应动力学仍然适用于胶束共聚合过程;在聚合过程中由于表面活性剂胶束的存在,疏水单体在反应初期的嵌入率很高,而后期主要以丙烯酰胺均聚物为主,导致严重的微观结构非均匀性,而这种非均匀性对共聚物的增粘性能有很大的影响。更多还原

【Abstract】 Nonionic PBAM water-soluble hydrophobically associating polymers were prepared by micellar free radical copolymerization method. After the study on the synthesis reaction, it is found that the polymerization kinetics of acrylamide in water system can still be used in micellar polymerization process, and that the initial incorporation of BBAM hydrophobic monomer into polymers is higher and the homopolymerization of acrylamide is dominant at the higher conversion period of monomer, which results serious micro-structure heterogeneity of copolymer and has a very important effect to the solution viscosity properties.更多还原