Abstract
In current work, hydrophobic and oleophilic polyurethane (Al2O3/PUF) foam sponge was prepared by foaming technology. The material was characterized by XRD, TEM, BET, SEM and water contact angles (CA). The Al2O3/PUF was applied to removal of oil or organic solvent from oil/water system. Water contact angle of Al2O3/PUF could exceed 140°. The absorption capacity of Al2O3/PUF could be obtained 37g/g and found to be reusable up to 10 cycles while maintaining its high absorption capacity. The result indicated that prepared foam sponge has good potential application in oil–water separation.
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