确定聚合物共混物相分离行为引起的不同相组成的简单数学方法

Yue Wang, Jiaqing Chen, Lina Chen
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引用次数: 0

摘要

摘要本文利用Flory-Huggins理论建立了两个基本方程,用于确定聚合物共混物的相分离行为所产生的不同相的组成。该方程使用图形方法来确定不同相组成的数值结果,作为普遍适用的说明。结果表明,当Flory-Huggins相互作用参数小于临界值时,方程图没有交点,表明不存在相分离。相反,当Flory-Huggins相互作用参数等于临界值时,方程的图形显示单个交点。此外,当参数值超过临界值时,方程图上出现两个对称交点,表明会发生相分离。本研究还讨论了不同相的组成与Flory-Huggins相互作用参数之间的关系。免责声明作为对作者和研究人员的服务,我们提供了这个版本的已接受的手稿(AM)。在最终出版版本记录(VoR)之前,将对该手稿进行编辑、排版和审查。在制作和印前,可能会发现可能影响内容的错误,所有适用于期刊的法律免责声明也与这些版本有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simple Mathematical Approach for Determining the Compositions of the Different Phases Resulting from the Phase Separation Behavior of Polymer Blends
AbstractIn this paper, the Flory–Huggins theory is utilized to formulate two essential equations for determining the compositions of the different phases resulting from the phase separation behavior of polymer blends. The equations use a graphical approach to determine the numerical outcomes of the compositions of the different phases, serving as a universally applicable illustration. The results show that when the Flory–Huggins interaction parameter is less than the critical value, the graphs of the equations have no intersection point, indicating the absence of phase separation. Conversely, when the Flory–Huggins interaction parameter equals the critical value, the graphs of the equations display a single intersection point. Furthermore, if the parameter value exceeds the critical value, the graphs of the equations show two symmetrical intersection points, indicating that phase separation can occur. The present study also includes a discussion on the correlations between the compositions of the different phases and the Flory–Huggins interaction parameter.DisclaimerAs a service to authors and researchers we are providing this version of an accepted manuscript (AM). Copyediting, typesetting, and review of the resulting proofs will be undertaken on this manuscript before final publication of the Version of Record (VoR). During production and pre-press, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal relate to these versions also.
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