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Oil/Water Separation Performances of Superhydrophobic and Superoleophilic Sponges

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posted on 11.11.2014, 00:00 by Qingping Ke, Yangxin Jin, Peng Jiang, Jian Yu
Superhydrophobic and superoleophilic sponges were fabricated by immersion in an ethanol solution of octadecyltrichlorosilane. The resulting coating strongly adheres to the sponges after curing at 45 °C for 24 h. Absorption capacities of 42–68 times the polymerized octadecylsiloxane sponge weight were obtained for toluene, light petroleum, and methylsilicone oil. These adsorption capacities were maintained after 50 cycles.