Polyurea has attracted extensive attention from researchers and engineers in the field of
blast and impact protection due to its excellent quasi-static mechanical properties and …

Polyureas are known for their remarkable toughness, which originates from the nanoscale
segregated morphology and hydrogen bonding between urea groups. However, the …

Abstract High-Pressure Collaborative Access Team (HPCAT) is a synchrotron-based facility
located at the Advanced Photon Source (APS). With four online experimental stations and …

We conducted large-scale molecular dynamics (MD) simulations of shock wave propagation
and spallation in amorphous polyurethane and polyurea. First, we computed the shock …

We conducted density functional theory based quantum molecular dynamics (QMD) and
force field based classical molecular dynamics (CMD) simulations to compute the shock …

Thermoplastic polyurethanes (TPU) are block copolymeric materials composed of
plastomeric “hard” and elastomeric “soft” domains, by which they exhibit highly resilient yet …

To improve the impact performance of unidirectional carbon fiber-reinforced polymer
composites (CFRP) for engineering structures, a polyurea coating was sprayed on the CFRP …

In order to further study the blast mitigation performance of polyurea and to investigate the
protection mechanism and damage characteristics of polyurea-protected structures under …

Polyurea (PU) is a versatile high strain rate elastomeric polymer that has attracted significant
interest due to its utility as a blast and ballistic resistant coating. Predictive design of PU …

The evolution of molecular dynamics and microstructures of polyurea (PUA) elastomers with
different stoichiometric ratios upon water absorption process was investigated. Water …