Study the Effects of Dilution on the Viscoelastic Behavior of Polymers

聚合物的稀释（塑化）对它们的机械性能的影响 响应对于实际应用是重要的，例如在 油漆和粘合剂的生产。 如果聚合物产生局部 通过溶剂或基础油料的改性，可能许多 聚合物的应用是有用的，因为聚合物的改性 溶剂本身是非常理想。 一个恰当的例子是 润滑油中使用的聚合物添加剂;这可能是一个主要因素 在聚合物负载的油中观察到的改进的性能。 这 研究将研究稀释和溶剂类型对 两种线型无定形聚合物聚苯乙烯和 聚（乙基乙烯）。 沿着差速器的蠕变和蠕变恢复 将进行扫描量热法和吸光度法测量。 的 研究将为各种系统参数提供数据基础 用于开发聚合物效应的理论表示 溶剂粘度对聚合物的粘弹性有影响。

The effect of dilution (plasticization) of polymers on their mechanical response is important for practical application such as in the manufacture of paints and adhesives. If polymer produces a local modification of solvent or base stock, it is possible that many applications of polymers are useful because the modifications of the solvent itself are highly desirable. One case in point is the role of polymer additives used in lubricating oils; this may be a major factor in the improved properties observed for polymer-loaded oils. This research will study the effect of diluation and solvent type on the viscoelastic behavior of two linear amorphous polymers polystyrene and poly (ethyl Ethylens). Creep and creep recovery along the differential scanning calorimetne and ahaltometric measurements will be made. The study will provide the data base for a variety of system parameters used to develop theortical representation of the effect or polymer solvent thermodynamies on the iscoelastic properties of polymers.