Polyelectrolyte Complex Coacervates: Structural Insights, Rheological Perspectives, and Industrial Applications

IF 2.2 4区工程技术 Q1 MATERIALS SCIENCE, TEXTILES

Fibers and Polymers Pub Date : 2025-04-30 DOI:10.1007/s12221-025-00975-4

Gwangmin Jo, Byungwook Youn, Doojin Lee, Yeongun Ko

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Abstract

Coacervation is a liquid–liquid phase separation process in polyelectrolyte solutions induced by environmental factors such as pH, ionic strength, temperature, and solubility. This process results in the formation of a colloid-rich phase known as a coacervate. Their formation is governed by an equilibrium among van der Waals forces, hydrogen bonding, hydrophobic interactions, electrostatic interactions, and other weak forces. Rheological analysis provides insights into the balance of these interactions. The properties of coacervates can be controlled by adjusting parameters such as pH, polymer ratio, ionic strength, and the molecular characteristics of polyelectrolytes. Based on formation mechanism and rheological analysis, coacervates have significant potential for various applications, including melt extrusion products, electrospinning, underwater adhesives, and saloplastic materials. This review provides a comprehensive overview of coacervates, including their definition, internal structure, theoretical models, coacervation mechanisms, controlling factors, applications, and rheological behavior.

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聚电解质复合物凝聚物：结构见解、流变学观点和工业应用

聚守恒是在pH、离子强度、温度、溶解度等环境因素的影响下，在多电解质溶液中发生的液-液相分离过程。这一过程导致形成一种富含胶体的相，称为凝聚相。它们的形成是由范德华力、氢键、疏水相互作用、静电相互作用和其他弱力之间的平衡控制的。流变分析提供了对这些相互作用的平衡的见解。通过调整pH、聚合物比、离子强度和聚电解质的分子特性等参数，可以控制凝聚物的性质。基于形成机理和流变学分析，凝聚体在熔融挤出制品、静电纺丝、水下胶粘剂和塑性材料等方面具有巨大的应用潜力。本文综述了凝聚体的定义、内部结构、理论模型、凝聚机制、控制因素、应用和流变行为。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Fibers and Polymers 工程技术-材料科学：纺织

CiteScore

3.90

自引率

8.00%

发文量

267

审稿时长

3.9 months

期刊介绍： -Chemistry of Fiber Materials, Polymer Reactions and Synthesis- Physical Properties of Fibers, Polymer Blends and Composites- Fiber Spinning and Textile Processing, Polymer Physics, Morphology- Colorants and Dyeing, Polymer Analysis and Characterization- Chemical Aftertreatment of Textiles, Polymer Processing and Rheology- Textile and Apparel Science, Functional Polymers