Rheology of Concentrated Colloidal Dispersions: Effects of Grafte and Associative Polymer

本文研究了CTS-9521662两种稳定分散体的颗粒间作用力、胶体微观结构和流变性，其中包括接枝聚合物稳定剂和可溶性缔合三嵌段共聚物。用非平衡统计力学方程描述了胶体微观结构。对于聚合物稳定的球体，提出了一种新的平均力势能，即考虑聚合物层的流体动力学函数和平衡分布函数的生成方法。对于缔合聚合物悬浮液，在分析中引入了类似于可逆网络理论的非平衡粒间力。建议的工作与聚合物稳定悬浮液的流变学特性有关，尤其与先进材料加工涂料有关。***

ABSTRACT CTS-9521662 The interparticle forces colloidal microstructure and rheological properties of two types of stable dispersions of spheres containing either polymeric stabilizers grafted to the particles or soluble associative three-block co-polymers will be investigated. Non- equilibrium statistical mechanics equations are used to described the colloidal microstructure. For the polymer-stabilized spheres, a new potential of the mean force, hydrodynamic functions accounting for the polymer layer and a method for generating the equilibrium distribution functions, are proposed. For the associative polymeric suspension, a non-equilibrium interparticles force similar to that in reversible network theories will be introduced in analysis. The proposed work has relevance to rheological characterization of polymer-stabilized suspensions, with particular relevance to advanced materials processing coatings. ***