Research Progress of the Ion Activity Coefficient of Polyelectrolytes: A Review

Author:

Zhang Aokai1ORCID,Yang Xiuling2,Yang Feng1ORCID,Zhang Chunmei3ORCID,Zhang Qixiong4ORCID,Duan Gaigai2ORCID,Jiang Shaohua2ORCID

Affiliation:

1. Changzhou Vocational Institute of Industry Technology, Changzhou 213164, China

2. Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China

3. Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China

4. Department of Pharmacy, Sichuan Academy of Medical Science & Sichuan Provincial People’s Hospital, Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610000, China

Abstract

Polyelectrolyte has wide applications in biomedicine, agriculture and soft robotics. However, it is among one of the least understood physical systems because of the complex interplay of electrostatics and polymer nature. In this review, a comprehensive description is presented on experimental and theoretical studies of the activity coefficient, one of the most important thermodynamic properties of polyelectrolyte. Experimental methods to measure the activity coefficient were introduced, including direct potentiometric measurement and indirect methods such as isopiestic measurement and solubility measurement. Next, progress on the various theoretical approaches was presented, ranging from analytical, empirical and simulation methods. Finally, challenges for future development are proposed on this field.

Funder

Natural Science Foundation for Universities of Jiangsu Province

Doctoral Fund of Changzhou Vocational Institute of Industry Technology

Publisher

MDPI AG

Subject

Chemistry (miscellaneous),Analytical Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Molecular Medicine,Drug Discovery,Pharmaceutical Science

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