What question did this study set out to answer?

This research aims to understand the mechanisms governing the nonmonotonic viscosity behavior of Cyrene-water mixtures.

Dual Controlling Factors for Nonmonotonic Viscosity of Cyrene–Water Mixtures

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Experiments reveal dual mechanisms controlling viscosity in Cyrene–water mixtures, suggesting insights for material design.

This research aims to understand the mechanisms governing the nonmonotonic viscosity behavior of Cyrene-water mixtures.
Conducted experimental measurements of viscosity as a function of Cyrene concentration.
Utilized molecular dynamics simulations to analyze molecular interactions and dynamics.
Evaluated the effects of hydrogen-bond networks and diffusion resistance on viscosity changes.
Identified a distinct viscosity peak at specific Cyrene concentrations.
At concentrations below 80 wt % Cyrene, viscosity increases due to diffusion resistance as water's hydrogen bonding supports molecular motion.
Beyond the peak, viscosity decreases as cohesive energy declines with reduced hydrogen bonds.

Cheng et al. (2026) studied this question.

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