The Rheology of Concentrated Micellar Solutions and Colloidal Dispersions

浓胶束溶液和胶体分散体的流变学

• 批准号: 0120421
• 负责人: William Russel
• 金额: $ 32万
• 依托单位: Princeton University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-11-15 至 2007-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0120421&HistoricalAwards=false
• 关键词: Rheology; Concentrated; Micellar; Solutions; Colloidal

AbstractCTS-0120421RusselIt is important to understand and quantitatively model the linear and nonlinear rheology of highly concentrated micellar and colloidal systems. The goal of the proposed research is to reproducibly formulate two types of systems with prescribed rheology. These are the highly viscous and viscoelastic micellar solutions of telechetic polymers, as well as nanosize particles bearing terminally grafted chains that form brushes. Although considerable work has been done to understand the behavior of associative polymers, this study will provide the fundamental understanding of the underlying structure of the micelles. There is little information on the rheology of the nanosized brush-like particles. Therefore, this study should provide new and exciting insight in the rheology of soft particles with the potential for unusual variations with concentration and the stress field.

理解和定量模拟高浓度胶束和胶体体系的线性和非线性流变学是很重要的。 拟议的研究的目标是可重复地制定两种类型的系统与规定的流变学。 这些是遥爪聚合物的高粘性和粘弹性胶束溶液，以及具有形成刷的末端接枝链的纳米尺寸颗粒。 虽然已经做了大量的工作来了解缔合聚合物的行为，这项研究将提供基本的了解胶束的基本结构。 关于纳米级刷状颗粒的流变学的信息很少。 因此，这项研究应该提供新的和令人兴奋的洞察力的流变学与浓度和应力场的异常变化的潜力的软颗粒。