聚合物流变学

应用聚合物流变学的理论与概念来模拟推进剂特性。

The theory and concepts of physical chemistry of polymer rheology were applied to modelling the propellant properties .

依据聚合物流变学及流体力学的相关理论，深入分析了微小通道中壁面滑移和表面张力的作用机理，并根据不同的作用机理，确定了两种滑移边界条件。

Based on the relative theory of polymer rheology and hydromechanics , the mechanisms of wall slip and surface tension on micro channels are analyzed thoroughly , and two kinds of wall slip boundary conditions are imported according to different mechanisms .

本文探讨了数值模拟技术在聚合物流变学中的应用，研究了聚合物挤出成型过程的模型化理论和数值计算方法，构造了能够描述挤出过程中聚合物流变行为特点的物理和数学模型。

The modeling theory and numerical method is studied and the mathematical model is established to investigate polymer rheological behaviours in the extrusion process .

按聚合物流变学原理，结合实际生产工艺，在挤出成型中将两种聚合物共挤复合，获得理想产品的工艺方法。

The technique based on the rheology theorem of polymer and practical production process is introduced , to obtain the optimized products by means of coextrusion lamination of two kinds of polymers .

本文通过对挤出模头中几个关键部位的结构分析，以聚合物流变学为基础、热力学为基础，并结合材料力学，对挤出模中这些关键部位的设计给出了理论模型。

Research of the key parts in extrusion die was based on the theory of rheology of the polymer melt and the thermodynamics , the paper established the mathematic models for the design of the key parts in extrusion die .

通过对塑料异型材挤出模模头结构进行分析，以聚合物流变学为理论基础，对机头流道的不同区域分别建立压力降计算公式和熔体停留时间计算公式。

Based on the analysis of the die structure in the extrusion of plastics profile and the theory of polymer rheol-ogy , the mathematic models for calculating the pressure drop and melt residence time in different parts of the die s flow path were established .

根据聚合物加工流变学理论，采用衣架型单流道模头计算公式确定了模头的流道参数并加以优化，然后设计出适用于HDPE平膜的衣架型宽幅模模头尺寸。

Based on rheological theory of polymer processing , the parameters of flow channel are determined and optimized using calculation equation of single flow channel of coathanger type die . Then coathanger type wide-web film die is designed for HDPE flat film extrusion .

聚合物加工流变学研究新动向

Recent advances in the study of processing rheology of polymer

从聚合物加工流变学的角度分析了混炼胶压出过程中的主要影响因素。

The chief influence factors in rubber compounds extrusion were analysed from an angle of rheology in polymer processing .

本论文对于功能块的研究，是以聚合物熔体的流变学理论，以及挤出模头流道的基本要求为基础。

In this paper research of functional block structure was based on the theory of rheology of the polymer melt and the basic requirement of extrusion die channel .

根据聚合物熔体拉伸流变学的理论，对国产挤出成型设备生产速度低的原因进行了分析，探讨了提高生产效率的途径，并提出了一种计算聚合物熔体拉伸流变粘度的方法。

Basing on the rheological drawing theory of polymer - melt , the author conducted some analysis on the causes of low production speed of home-made extruding equipment , probed into the ways of increasing production efficiency , and proposed a method for computing the rheological drawing viscosity of polymer-melt .

聚合物熔体注模流变学Ⅳ.熔体的弹性及其表征

Polymer Melt Rheology in Injection Molding 4 . Elasticity and Characterization of Melts

由聚合物熔体的动态流变学性质测定分子量分布

Determining molecular weight distribution from the dynamic rheological properties of a polymer melt