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Flexible and Robust Porous Thermoplastic Polyurethane/reduced Graphene Oxide Monolith with Special Wettability for Continuous Oil/water Separation in Harsh Environment by Shihang Ye; Bo Wang; Ziyang Pu; Tianhui Liu; Yuezhan Feng; Wenjuan Han; Chuntai Liu; Changyu Shen is a Engineering article available to read on EtoBox.
What is Flexible and Robust Porous Thermoplastic Polyurethane/reduced Graphene Oxide Monolith with Special Wettability for Continuous Oil/water Separation in Harsh Environment about?
With the increase of severe environmental problems caused by oil spill and chemical leakage, there is an urgent necessity for efficient and durable oil/water separation materials with high environmental suitability. Here we developed a hierarchical porous superelastic thermoplastic polyurethane/reduced graphene oxide (TPU/RGO) monolith with superhydrophobicity/superoleophilicity for the continuous absorption of oils or organic solvents. The morphology investigation indicated that the three-dimensional porous structure of composite monoliths was definitely perfected by adding 1.5 wt% RGO, significantly improving hydrophobicity (155°) and mechanical property (compression strength of 307 kPa). In consequence, the TPU/RGO monolith could efficiently absorb different oils/organic solvents with high saturation absorption capacity (6.5–44.5 g g−1) and fast absorption speed (attaining equilibration within 15 s). And it possessed stable superhydrophobicity and absorption capacity in various pH (1–14), high/low temperature (0–90 °C) and strongly turbulent conditions. Furthermore, the composite monolith exhibited outstanding reversible compressibility (80% strain) and fatigue resistance (1000
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It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Shihang Ye; Bo Wang; Ziyang Pu; Tianhui Liu; Yuezhan Feng; Wenjuan Han; Chuntai Liu; Changyu Shen
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Engineering (Physical Sciences)