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Stimuli‐responsive polymers built by reversible covalent bonds used to possess unbalanced mechanical properties. Here, a crosslinked polyurethane containing aromatic pinacol as a novel reversible CC bond provider is synthesized, whose tensile strength and failure strain are tunable from 27.3 MPa to as high as 115.2 MPa and from 324% to 1501%, respectively, owing to the relatively high bond energy...
In the present work, epoxy based quaternary composites were produced by filling lubricant oil-loaded microcapsules, surface grafted nano-SiO 2 and discontinuous carbon fibers. Through orthographic tests, the optimal contents of the fillers were determined for achieving significantly improved tribological properties. The lowest specific wear rate and friction coefficient of the composite can...
To reduce the amount of carbon black and to broaden the applicability of conductive polymer composites serving as gas sensors, polyurethane-based composite was prepared by latex blending. The composite has very low electrical threshold and hence provides improved processability. In the environment of organic solvent vapors, the composite with 3.5 wt.% of carbon black exhibits significant increase...
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