Experimental and Theoretical Studies of Polymer Solution Thermodynamics

这项研究计划的长期目标是 制定相关和预测的方法， 纯聚合物的平衡热力学行为， 聚合物-溶剂溶液。 这包括以下影响： 压力和温度对密度、汽液和液体的影响 平衡和含有多种溶剂和/或 聚合物 为了实现这一目标， 模型开发需要可靠的数据。 数据 正在收集包含评估的文献数据的基础 对于各种类型的系统。 为了追求 开发可靠的基团贡献模型，更多 将收集准确的数据。 实验室成立 根据以前的NSF设备赠款用于此目的。 一种新的基团贡献模型正在开发中， 聚合物-溶剂系统的格子流体模型。 的 该计划正在协调与互补的努力， 丹麦技术大学。

The long-range objective of this research program is to develop methods for the correlation and prediction of the equilibrium thermodynamic behavior of pure polymers and polymer-solvent solutions. This is to include effects of pressure and temperature on density, vapor-liquid and liquid equilibria, and systems containing multiple solvents and/or polymers. In order to achieve this goal, extensive and reliable data are needed for the model developments. Data bases are being assembled containing evaluated literature data for the various types of systems. In order to pursue the development of a dependable group contribution model, more accurate data will be collected. The laboratory established under a previous NSF equipment grant is used for this purpose. A new group contribution model is being developed based on a lattice-fluid model of the polymer-solvent systems. The program is being coordinated with a complementary effort at the Technical University of Denmark.