Shijie Zhu, Mei Xu, Shuanglai Yang, Zhuangzhuang Huang, Yang Wang, Yong Zhu
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Evaluation of shear resistance of dendritic hydrophobic association polymers
Enhancing the shear resistance of polymer systems is crucial for advancing oil recovery in the realm of chemical flooding technology. This article presents a comparative analysis of the rheological curves, hydrodynamic dimensions, dynamic adsorption, and permeation characteristics of two independently synthesized dendritic hydrophobic association polymers (DHAP) and linear polyacrylamide (HPAM), both before and after exposure to shear in porous media. The research findings indicate that linear polymer solutions exhibit inadequate shear resistance. Through the synergistic effects of association and branching structures, dendritic hydrophobic polymer solutions can partially recover their spatial configuration, thereby mitigating the impact of shear on their solution properties, including viscoelasticity, hydrodynamic size, and adsorption capacity. These polymers can achieve high dynamic retention in porous media and establish flow control capabilities through the residual resistance coefficient. Consequently, further optimization of the molecular structure and the application of non-covalent bonding forces to enhance shear resistance and adsorption retention capacity represent key directions for the future development of polymer systems.
期刊介绍：
Journal of Polymer Research provides a forum for the prompt publication of articles concerning the fundamental and applied research of polymers. Its great feature lies in the diversity of content which it encompasses, drawing together results from all aspects of polymer science and technology.
As polymer research is rapidly growing around the globe, the aim of this journal is to establish itself as a significant information tool not only for the international polymer researchers in academia but also for those working in industry. The scope of the journal covers a wide range of the highly interdisciplinary field of polymer science and technology, including:
polymer synthesis;
polymer reactions;
polymerization kinetics;
polymer physics;
morphology;
structure-property relationships;
polymer analysis and characterization;
physical and mechanical properties;
electrical and optical properties;
polymer processing and rheology;
application of polymers;
supramolecular science of polymers;
polymer composites.
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