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本工作利用光散射和粘度方法,使用辐射聚合聚丙烯酰胺(PAAM)的级分样品,研究了在较宽分子量范围(10~4-10~7)内PAAM的特性粘数,分子尺寸及第二维利系数对重均分子量的依赖性.从实验上得到了PAAM在0.2mol/lNaCl水溶液中的均方旋转半径与均方末端距之间的关系及高分子-溶剂相互作用参数.
In this work, the intrinsic viscosity, molecular size and molecular weight of PAAM in a wide range of molecular weight (10 ~ 4-10 ~ 7) were studied by using light scattering and viscosity method. The dependence of the two-dimensional Lyapunov exponent on the weight average molecular weight.The relationship between the mean square radius of gyration of PAAM in 0.2 mol / l NaCl aqueous solution and the mean square end distance and the polymer-solvent interaction parameters were obtained experimentally.