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首页> 外文期刊>Journal of Applied Polymer Science >ABSORPTION DESORPTION HISTORIES THROUGH A SPHERE WITH A CHANGE IN DIMENSIONS, WITH CONSTANT CONCENTRATION ON SURFACE DURING ABSORPTION, AND FINITE VOLUME OF SURROUNDING DURING DESORPTION
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ABSORPTION DESORPTION HISTORIES THROUGH A SPHERE WITH A CHANGE IN DIMENSIONS, WITH CONSTANT CONCENTRATION ON SURFACE DURING ABSORPTION, AND FINITE VOLUME OF SURROUNDING DURING DESORPTION

机译：尺寸范围变化的球体的吸收解吸历史，在吸收过程中表面上的浓度恒定，而在吸收过程中周围的体积有限

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摘要

Liquids are transferred through nonporous polymers provoking a change in dimension. A mathematical treatment of the process of radial diffusion through a sphere with consequent change in dimension is made, as well as a numerical treatment of the process. The case is considered when the concentration of the liquid on the surface is constant during absorption and then the surrounding fluid is of finite volume and strongly stirred during the stage of desorption. The kinetics of absorption-desorption histories are calculated for various values of the volume expansion due to the presence of liquid. The profiles of concentration as well as the kinetics of change in dimension are also evaluated. Two parameters are introduced: the maximum of the volume expansion of the polymer and the ratio between the amount of liquid in the polymer and that contained in the surrounding at the final equilibrium of desorption. (C) 1995 John Wiley & Sons, Inc. [References: 14]
机译：液体通过无孔聚合物转移，引起尺寸变化。对通过球体进行的径向扩散过程进行数学处理，并随之进行尺寸更改，并对过程进行了数值处理。当在吸收过程中表面上的液体浓度恒定，然后周围的流体具有有限的体积并在解吸阶段被强烈搅拌时，就考虑这种情况。对于由于液体的存在而引起的各种体积膨胀值，计算吸收-解吸历史的动力学。还评估了浓度分布以及尺寸变化的动力学。引入两个参数：在解吸的最终平衡时，聚合物的体积膨胀的最大值和聚合物中的液体量与周围环境中所含的液体量之比。 （C）1995 John Wiley＆Sons，Inc. [参考：14]

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