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Facile Oil Removal from Water-in-Oil Stable Emulsions Using PU Foams.


ABSTRACT: Superhydrophobic and oleophilic polyurethane foams were obtained by spray-coating their surfaces with solutions of thermoplastic polyurethane and hydrophobic silicon oxide nanoparticles. The developed functionalized foams were exploited as reusable oil absorbents from stable water-in-oil emulsions. These foams were able to remove oil efficiently from a wide range of emulsions with oil contents from 10 to 80 v.%, stabilized using Span80. The modified foams could reach oil absorption capacities up to 29 g/g, becoming a suitable candidate for water-in-oil stable emulsions separation.

SUBMITTER: Barroso-Solares S 

PROVIDER: S-EPMC6316968 | biostudies-literature |

REPOSITORIES: biostudies-literature

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