Chapter 4: Dual-crosslinked Network Design Check Access

The application of dynamic covalent bonds (DCBs) in rubber materials has been actively studied in recent years. It is demonstrated that a creative combination of different types of dynamic bonds in crosslinked rubber networks would be a promising strategy to generate high-performance rubbers with balanced mechanical strength and toughness, structural stability, self-healing, and multiple stimuli responsiveness. This chapter provides an overview of recent studies on developing rubber materials that combine typical DCBs with other kinds of chemical bonds (including DCBs, static covalent bonds, and sacrificial bonds). The significant role of dual-crosslinking in improving the mechanical properties and endowing functionalities is analyzed. The processing challenges and research directions of the dual-crosslinked rubber networks are discussed.