Research Progress in Mechanical Properties of Polyvinyl Alcohol-Based Hydrogel Composites
DOI:
https://doi.org/10.54691/s7d36f08Keywords:
Polyvinyl alcohol, hydrogel, composite, mechanical property, strengthening and toughening.Abstract
Polyvinyl alcohol (PVA) hydrogels have broad application prospects in biomedical engineering, flexible electronics and other fields due to their excellent biocompatibility and chemical stability. However, traditional PVA hydrogels generally suffer from poor mechanical strength, low toughness and unsatisfactory fatigue resistance, which seriously restrict their practical applications. This paper systematically reviews the research progress in mechanical properties of PVA based hydrogel composites, focusing on the reinforcement mechanisms of strategies such as double network structure, nanoparticle composite, cross linking mode regulation, natural polymer composite and topological structure design. It summarizes the effects of cross linking density, polymer concentration and environmental factors on mechanical properties, deeply discusses the energy dissipation mechanisms and constitutive relationships, and prospects the future development directions in this field.Keywords.
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