Polymer hydrogenation is an important means of performance modification of polymer materials,and the modified polymer has significant improvements in heat resistance and aging resistance,so the research on polymer hydrogenation catalysts has become the focus of attention in the field of chemical industry.Compared with small molecule compounds,polymer materials have higher viscosity,more chemical bonds,and more complex configurations,so the catalysts used are also more demanding.In this paper,we summarize the industrial applications and research progress of various polymer hydrogenation catalysts in recent years by reviewing the development process of polymer hydrogenation catalysts,and prospect their future development directions.
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