利用Cole-Cole图分析定量PCL/PDO相图

IF 1.8 4区 工程技术 Q3 POLYMER SCIENCE
Hwan Woo Choi, Sung Jun Lee, Ye Jin Son, Zheng Min Huang, Young Seok Song
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引用次数: 0

摘要

本研究提出了一种新的定量方法,通过流变分析来分析聚己内酯(PCL)和聚二恶酮(PDO)共混物的相行为和混相。引入了聚合物混相指数(PMI),该指数来源于Cole-Cole图分析,旨在了解聚合物共混物的潜在物理特性。使用复杂粘度定义的PMI可以在不同温度和组成条件下定量评估共混物的混相。用该方法构造了相图,描述了临界溶液温度上的行为。随着PDO含量的增加,PCL/PDO共混物的相稳定性增强,表明PDO在共混物的混相中起主导作用。这种定量方法为优化PCL/PDO共混物的加工条件和组成比例提供了有价值的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Quantified Phase Diagram of PCL/PDO Using the Cole–Cole Plot Analysis

This study presents a novel quantitative approach for analyzing the phase behavior and miscibility of polycaprolactone (PCL) and polydioxanone (PDO) blends through rheological analysis. A polymer miscibility index (PMI) is introduced, derived from the Cole–Cole plot analysis in a bid to understand the underlying physics of polymer blends. The PMI defined using complex viscosities enables quantitative evaluation of blend miscibility under various temperature and composition conditions. A phase diagram is constructed using the methodology, describing the upper critical solution temperature behavior. PCL/PDO blends exhibit enhanced phase stability with increasing PDO content, suggesting that PDO has a dominant role in determining blend miscibility. This quantitative approach provides valuable insight for optimizing the processing conditions and composition ratios of PCL/PDO blend.

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来源期刊
Macromolecular Theory and Simulations
Macromolecular Theory and Simulations 工程技术-高分子科学
CiteScore
3.00
自引率
14.30%
发文量
45
审稿时长
2 months
期刊介绍: Macromolecular Theory and Simulations is the only high-quality polymer science journal dedicated exclusively to theory and simulations, covering all aspects from macromolecular theory to advanced computer simulation techniques.
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