Dynamic Covalent Elastomers, Rubber Composites, and Asphalt Engineering
This community develops advanced rubber and polymer composites, focusing on materials that can self-heal, be recycled, or withstand extreme mechanical stress for use in tires, road infrastructure, and structural reinforcement.
The research centers on natural and synthetic rubbers, including butadiene and styrene-butadiene systems, often reinforced with carbon fiber, carbon nanotubes, or graphene oxide. A major strand involves "dynamic covalent" and "covalent adaptable" networks, which utilize reversible bonds to enable self-healing and reprocessing of traditionally permanent thermosets like epoxy resins. Another significant area is the modification of asphalt binders and mixtures for construction, often incorporating recycled carbon or zinc oxide. The work frequently employs molecular dynamics and finite element analysis to model mechanical performance, crack tolerance, and the behavior of these materials under stress, with a strong emphasis on recycling waste rubber and improving the durability of fiber-reinforced composites.
The community is most heavily concentrated in sulfur research, accounting for 0.8% of all sulfur-related papers, and contributes 2,242 papers to that element's total. It also holds a 0.2% share of zinc and silicon research, with 637 and 583 papers respectively.
The community comprises 8,480 papers, primarily published in the Journal of Applied Polymer Science, Construction and Building Materials, and Rubber Chemistry and Technology.
Recent work continues to focus on the synthesis of self-healing elastomers using dynamic boron-boron linkages and zinc coordination, as well as the upcycling of vulcanized rubber through controlled backbone cleavage. There is also ongoing investigation into the microscopic damage mechanisms of asphalt mixtures under freeze-thaw cycles and the development of high-refractive-index polymeric materials.