Progress on Reversible Crosslinking Network Based-on Polybutadiene
The category,property and importance of polybutadiene were introduced.The crosslinking by sulfur for the using of polybutadiene remains one of the largest and more problematic sources of waste due to irreversible crosslinking.It is of great important for the development of advanced materials with high strength,high elastic,recyclability and other functions by designing and synthesizing polybutadiene network with reversible crosslinking bonds.The key point for the design of reversible crosslinking polybutadiene network lies in the functionalization of polybutadiene with various functional groups.The reversible crosslinking polybutadiene network was synthesized by the reaction or interaction of functional groups.According to the different sites of function groups on the polymer chains of polybutadiene,the synthetic methods and properties of the reversible crosslinking polybutadiene networks(based on polybutadiene with function groups at chain-end or in the chains)were introduced.In the future,the key research and development direction are designing and synthesizing cross-linking polybutadiene network with more reversible crosslinking bonds and functional groups as well as broadening application areas.
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