Tailoring the Interfacial Properties of Multi-Phase Polymer Blends

定制多相聚合物共混物的界面特性

• 批准号: 9526357
• 负责人: Russell Composto
• 金额: $ 31.4万
• 依托单位: University of Pennsylvania
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1996
• 资助国家: 美国
• 起止时间: 1996-04-01 至 2000-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9526357&HistoricalAwards=false
• 关键词: Tailoring; Interfacial; Properties; Multi; Phase

9526357 Composto The proposed resesarch on A/B:C blends will be the first attempt to study the behavior of the complex interfacial profiles and properties associated with three-component, two- phase systems. Both model and commercial systems will be studied including polystyrene blends and poly(methyl methacrylate blends. The interfacial properties will be modeled using the self-consistent field method. To complement these direct profiling measurements, neutron reflectivity experiments will be carried out at National Laboratories. In the third phase of the proposed research, the physics which underlies the wetting transition will be studied using a three-component polymer blend as a model system. %%% These studies may allow a polymer engineer to tune the morphology of complex blends by simply varying the degree of polymerization or concentration to achieve either encapsulated or separated phase domains. In addition to their intrinsic interest, the interfacial segregation and wetting studies on three-component systems will serve as a springboard for understanding more complicated systems such as those containing four-components and three-phases. ***

9526357堆肥A/b：c混合物上提出的分配将是研究与三组分，两相系统相关的复杂界面概况和特性的行为的首次尝试。 将研究模型和商业系统，包括聚苯乙烯混合物和聚（甲基丙烯酸甲酯混合物。将使用自洽的现场方法对界面特性进行建模。为了补充这些直接分析测量值，中子反射率实验将在国家实验室中进行的三阶段进行，在拟议的研究中，将进行三个阶段的研究。作为模型系统，这些研究可能会使聚合物工程师通过更改聚合或集中度的程度来调整复杂的形态，以实现封装或分离的相位域，除了它们的内在范围外，